Skip to main content
Module

x/mongoose/lib/query.js

MongoDB object modeling designed to work in an asynchronous environment.
Go to Latest
File
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959
'use strict';
/*! * Module dependencies. */const CastError = require('./error/cast');const DocumentNotFoundError = require('./error/notFound');const Kareem = require('kareem');const MongooseError = require('./error/mongooseError');const ObjectParameterError = require('./error/objectParameter');const QueryCursor = require('./cursor/QueryCursor');const ReadPreference = require('./driver').get().ReadPreference;const ValidationError = require('./error/validation');const { applyGlobalMaxTimeMS, applyGlobalDiskUse } = require('./helpers/query/applyGlobalOption');const applyWriteConcern = require('./helpers/schema/applyWriteConcern');const cast = require('./cast');const castArrayFilters = require('./helpers/update/castArrayFilters');const castNumber = require('./cast/number');const castUpdate = require('./helpers/query/castUpdate');const completeMany = require('./helpers/query/completeMany');const promiseOrCallback = require('./helpers/promiseOrCallback');const getDiscriminatorByValue = require('./helpers/discriminator/getDiscriminatorByValue');const hasDollarKeys = require('./helpers/query/hasDollarKeys');const helpers = require('./queryhelpers');const immediate = require('./helpers/immediate');const isExclusive = require('./helpers/projection/isExclusive');const isInclusive = require('./helpers/projection/isInclusive');const isSubpath = require('./helpers/projection/isSubpath');const mpath = require('mpath');const mquery = require('mquery');const parseProjection = require('./helpers/projection/parseProjection');const removeUnusedArrayFilters = require('./helpers/update/removeUnusedArrayFilters');const sanitizeFilter = require('./helpers/query/sanitizeFilter');const sanitizeProjection = require('./helpers/query/sanitizeProjection');const selectPopulatedFields = require('./helpers/query/selectPopulatedFields');const setDefaultsOnInsert = require('./helpers/setDefaultsOnInsert');const updateValidators = require('./helpers/updateValidators');const util = require('util');const utils = require('./utils');const validOps = require('./helpers/query/validOps');const wrapThunk = require('./helpers/query/wrapThunk');
const queryOptionMethods = new Set([ 'allowDiskUse', 'batchSize', 'collation', 'comment', 'explain', 'hint', 'j', 'lean', 'limit', 'maxScan', 'maxTimeMS', 'maxscan', 'populate', 'projection', 'read', 'select', 'skip', 'slice', 'sort', 'tailable', 'w', 'writeConcern', 'wtimeout']);
/** * Query constructor used for building queries. You do not need * to instantiate a `Query` directly. Instead use Model functions like * [`Model.find()`](/docs/api.html#find_find). * * #### Example: * * const query = MyModel.find(); // `query` is an instance of `Query` * query.setOptions({ lean : true }); * query.collection(MyModel.collection); * query.where('age').gte(21).exec(callback); * * // You can instantiate a query directly. There is no need to do * // this unless you're an advanced user with a very good reason to. * const query = new mongoose.Query(); * * @param {Object} [options] * @param {Object} [model] * @param {Object} [conditions] * @param {Object} [collection] Mongoose collection * @api public */function Query(conditions, options, model, collection) { // this stuff is for dealing with custom queries created by #toConstructor if (!this._mongooseOptions) { this._mongooseOptions = {}; } options = options || {}; this._transforms = []; this._hooks = new Kareem(); this._executionStack = null; // this is the case where we have a CustomQuery, we need to check if we got // options passed in, and if we did, merge them in const keys = Object.keys(options); for (const key of keys) { this._mongooseOptions[key] = options[key]; } if (collection) { this.mongooseCollection = collection; } if (model) { this.model = model; this.schema = model.schema; }
// this is needed because map reduce returns a model that can be queried, but // all of the queries on said model should be lean if (this.model && this.model._mapreduce) { this.lean(); } // inherit mquery mquery.call(this, null, options); if (collection) { this.collection(collection); } if (conditions) { this.find(conditions); } this.options = this.options || {}; // For gh-6880. mquery still needs to support `fields` by default for old // versions of MongoDB this.$useProjection = true; const collation = this && this.schema && this.schema.options && this.schema.options.collation || null; if (collation != null) { this.options.collation = collation; }}
/*! * inherit mquery */Query.prototype = new mquery();Query.prototype.constructor = Query;Query.base = mquery.prototype;
/** * Flag to opt out of using `$geoWithin`. * * ```javascript * mongoose.Query.use$geoWithin = false; * ``` * * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Mongoose uses `$geoWithin` by default (which is 100% backward compatible with `$within`). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work. * * @see geoWithin https://docs.mongodb.org/manual/reference/operator/geoWithin/ * @default true * @property use$geoWithin * @memberOf Query * @static * @api public */Query.use$geoWithin = mquery.use$geoWithin;
/** * Converts this query to a customized, reusable query constructor with all arguments and options retained. * * #### Example: * * // Create a query for adventure movies and read from the primary * // node in the replica-set unless it is down, in which case we'll * // read from a secondary node. * const query = Movie.find({ tags: 'adventure' }).read('primaryPreferred'); * * // create a custom Query constructor based off these settings * const Adventure = query.toConstructor(); * * // Adventure is now a subclass of mongoose.Query and works the same way but with the * // default query parameters and options set. * Adventure().exec(callback) * * // further narrow down our query results while still using the previous settings * Adventure().where({ name: /^Life/ }).exec(callback); * * // since Adventure is a stand-alone constructor we can also add our own * // helper methods and getters without impacting global queries * Adventure.prototype.startsWith = function (prefix) { * this.where({ name: new RegExp('^' + prefix) }) * return this; * } * Object.defineProperty(Adventure.prototype, 'highlyRated', { * get: function () { * this.where({ rating: { $gt: 4.5 }}); * return this; * } * }) * Adventure().highlyRated.startsWith('Life').exec(callback) * * @return {Query} subclass-of-Query * @api public */Query.prototype.toConstructor = function toConstructor() { const model = this.model; const coll = this.mongooseCollection; const CustomQuery = function(criteria, options) { if (!(this instanceof CustomQuery)) { return new CustomQuery(criteria, options); } this._mongooseOptions = utils.clone(p._mongooseOptions); Query.call(this, criteria, options || null, model, coll); }; util.inherits(CustomQuery, model.Query); // set inherited defaults const p = CustomQuery.prototype; p.options = {}; // Need to handle `sort()` separately because entries-style `sort()` syntax // `sort([['prop1', 1]])` confuses mquery into losing the outer nested array. // See gh-8159 const options = Object.assign({}, this.options); if (options.sort != null) { p.sort(options.sort); delete options.sort; } p.setOptions(options); p.op = this.op; p._validateOp(); p._conditions = utils.clone(this._conditions); p._fields = utils.clone(this._fields); p._update = utils.clone(this._update, { flattenDecimals: false }); p._path = this._path; p._distinct = this._distinct; p._collection = this._collection; p._mongooseOptions = this._mongooseOptions; return CustomQuery;};
/** * Make a copy of this query so you can re-execute it. * * #### Example: * * const q = Book.findOne({ title: 'Casino Royale' }); * await q.exec(); * await q.exec(); // Throws an error because you can't execute a query twice * * await q.clone().exec(); // Works * * @method clone * @return {Query} copy * @memberOf Query * @instance * @api public */Query.prototype.clone = function clone() { const model = this.model; const collection = this.mongooseCollection; const q = new this.model.Query({}, {}, model, collection); // Need to handle `sort()` separately because entries-style `sort()` syntax // `sort([['prop1', 1]])` confuses mquery into losing the outer nested array. // See gh-8159 const options = Object.assign({}, this.options); if (options.sort != null) { q.sort(options.sort); delete options.sort; } q.setOptions(options); q.op = this.op; q._validateOp(); q._conditions = utils.clone(this._conditions); q._fields = utils.clone(this._fields); q._update = utils.clone(this._update, { flattenDecimals: false }); q._path = this._path; q._distinct = this._distinct; q._collection = this._collection; q._mongooseOptions = this._mongooseOptions; return q;};
/** * Specifies a javascript function or expression to pass to MongoDBs query system. * * #### Example: * * query.$where('this.comments.length === 10 || this.name.length === 5') * * // or * * query.$where(function () { * return this.comments.length === 10 || this.name.length === 5; * }) * * #### Note: * * Only use `$where` when you have a condition that cannot be met using other MongoDB operators like `$lt`. * **Be sure to read about all of [its caveats](https://docs.mongodb.org/manual/reference/operator/where/) before using.** * * @see $where https://docs.mongodb.org/manual/reference/operator/where/ * @method $where * @param {String|Function} js javascript string or function * @return {Query} this * @memberOf Query * @instance * @method $where * @api public *//** * Specifies a `path` for use with chaining. * * #### Example: * * // instead of writing: * User.find({age: {$gte: 21, $lte: 65}}, callback); * * // we can instead write: * User.where('age').gte(21).lte(65); * * // passing query conditions is permitted * User.find().where({ name: 'vonderful' }) * * // chaining * User * .where('age').gte(21).lte(65) * .where('name', /^vonderful/i) * .where('friends').slice(10) * .exec(callback) * * @method where * @memberOf Query * @instance * @param {String|Object} [path] * @param {any} [val] * @return {Query} this * @api public *//** * Specifies a `$slice` projection for an array. * * #### Example: * * query.slice('comments', 5); * query.slice('comments', -5); * query.slice('comments', [10, 5]); * query.where('comments').slice(5); * query.where('comments').slice([-10, 5]); * * @method slice * @memberOf Query * @instance * @param {String} [path] * @param {Number} val number/range of elements to slice * @return {Query} this * @see mongodb https://www.mongodb.org/display/DOCS/Retrieving+a+Subset+of+Fields#RetrievingaSubsetofFields-RetrievingaSubrangeofArrayElements * @see $slice https://docs.mongodb.org/manual/reference/projection/slice/#prj._S_slice * @api public */Query.prototype.slice = function() { if (arguments.length === 0) { return this; } this._validate('slice'); let path; let val; if (arguments.length === 1) { const arg = arguments[0]; if (typeof arg === 'object' && !Array.isArray(arg)) { const keys = Object.keys(arg); const numKeys = keys.length; for (let i = 0; i < numKeys; ++i) { this.slice(keys[i], arg[keys[i]]); } return this; } this._ensurePath('slice'); path = this._path; val = arguments[0]; } else if (arguments.length === 2) { if ('number' === typeof arguments[0]) { this._ensurePath('slice'); path = this._path; val = [arguments[0], arguments[1]]; } else { path = arguments[0]; val = arguments[1]; } } else if (arguments.length === 3) { path = arguments[0]; val = [arguments[1], arguments[2]]; } const p = {}; p[path] = { $slice: val }; this.select(p); return this;};
/*! * ignore */const validOpsSet = new Set(validOps);
Query.prototype._validateOp = function() { if (this.op != null && !validOpsSet.has(this.op)) { this.error(new Error('Query has invalid `op`: "' + this.op + '"')); }};
/** * Specifies the complementary comparison value for paths specified with `where()` * * #### Example: * * User.where('age').equals(49); * * // is the same as * * User.where('age', 49); * * @method equals * @memberOf Query * @instance * @param {Object} val * @return {Query} this * @api public *//** * Specifies arguments for an `$or` condition. * * #### Example: * * query.or([{ color: 'red' }, { status: 'emergency' }]); * * @see $or https://docs.mongodb.org/manual/reference/operator/or/ * @method or * @memberOf Query * @instance * @param {Array} array array of conditions * @return {Query} this * @api public *//** * Specifies arguments for a `$nor` condition. * * #### Example: * * query.nor([{ color: 'green' }, { status: 'ok' }]); * * @see $nor https://docs.mongodb.org/manual/reference/operator/nor/ * @method nor * @memberOf Query * @instance * @param {Array} array array of conditions * @return {Query} this * @api public *//** * Specifies arguments for a `$and` condition. * * #### Example: * * query.and([{ color: 'green' }, { status: 'ok' }]) * * @method and * @memberOf Query * @instance * @see $and https://docs.mongodb.org/manual/reference/operator/and/ * @param {Array} array array of conditions * @return {Query} this * @api public *//** * Specifies a `$gt` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * #### Example: * * Thing.find().where('age').gt(21); * * // or * Thing.find().gt('age', 21); * * @method gt * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @see $gt https://docs.mongodb.org/manual/reference/operator/gt/ * @api public *//** * Specifies a `$gte` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @method gte * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @see $gte https://docs.mongodb.org/manual/reference/operator/gte/ * @api public *//** * Specifies a `$lt` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @method lt * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @see $lt https://docs.mongodb.org/manual/reference/operator/lt/ * @api public *//** * Specifies a `$lte` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @method lte * @see $lte https://docs.mongodb.org/manual/reference/operator/lte/ * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @api public *//** * Specifies a `$ne` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @see $ne https://docs.mongodb.org/manual/reference/operator/ne/ * @method ne * @memberOf Query * @instance * @param {String} [path] * @param {any} val * @api public *//** * Specifies an `$in` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @see $in https://docs.mongodb.org/manual/reference/operator/in/ * @method in * @memberOf Query * @instance * @param {String} [path] * @param {Array} val * @api public *//** * Specifies an `$nin` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @see $nin https://docs.mongodb.org/manual/reference/operator/nin/ * @method nin * @memberOf Query * @instance * @param {String} [path] * @param {Array} val * @api public *//** * Specifies an `$all` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * #### Example: * * MyModel.find().where('pets').all(['dog', 'cat', 'ferret']); * // Equivalent: * MyModel.find().all('pets', ['dog', 'cat', 'ferret']); * * @see $all https://docs.mongodb.org/manual/reference/operator/all/ * @method all * @memberOf Query * @instance * @param {String} [path] * @param {Array} val * @api public *//** * Specifies a `$size` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * #### Example: * * const docs = await MyModel.where('tags').size(0).exec(); * assert(Array.isArray(docs)); * console.log('documents with 0 tags', docs); * * @see $size https://docs.mongodb.org/manual/reference/operator/size/ * @method size * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @api public *//** * Specifies a `$regex` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @see $regex https://docs.mongodb.org/manual/reference/operator/regex/ * @method regex * @memberOf Query * @instance * @param {String} [path] * @param {String|RegExp} val * @api public *//** * Specifies a `maxDistance` query condition. * * When called with one argument, the most recent path passed to `where()` is used. * * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/ * @method maxDistance * @memberOf Query * @instance * @param {String} [path] * @param {Number} val * @api public *//** * Specifies a `$mod` condition, filters documents for documents whose * `path` property is a number that is equal to `remainder` modulo `divisor`. * * #### Example: * * // All find products whose inventory is odd * Product.find().mod('inventory', [2, 1]); * Product.find().where('inventory').mod([2, 1]); * // This syntax is a little strange, but supported. * Product.find().where('inventory').mod(2, 1); * * @method mod * @memberOf Query * @instance * @param {String} [path] * @param {Array} val must be of length 2, first element is `divisor`, 2nd element is `remainder`. * @return {Query} this * @see $mod https://docs.mongodb.org/manual/reference/operator/mod/ * @api public */Query.prototype.mod = function() { let val; let path; if (arguments.length === 1) { this._ensurePath('mod'); val = arguments[0]; path = this._path; } else if (arguments.length === 2 && !Array.isArray(arguments[1])) { this._ensurePath('mod'); val = [arguments[0], arguments[1]]; path = this._path; } else if (arguments.length === 3) { val = [arguments[1], arguments[2]]; path = arguments[0]; } else { val = arguments[1]; path = arguments[0]; } const conds = this._conditions[path] || (this._conditions[path] = {}); conds.$mod = val; return this;};
/** * Specifies an `$exists` condition * * #### Example: * * // { name: { $exists: true }} * Thing.where('name').exists() * Thing.where('name').exists(true) * Thing.find().exists('name') * * // { name: { $exists: false }} * Thing.where('name').exists(false); * Thing.find().exists('name', false); * * @method exists * @memberOf Query * @instance * @param {String} [path] * @param {Boolean} val * @return {Query} this * @see $exists https://docs.mongodb.org/manual/reference/operator/exists/ * @api public *//** * Specifies an `$elemMatch` condition * * #### Example: * * query.elemMatch('comment', { author: 'autobot', votes: {$gte: 5}}) * * query.where('comment').elemMatch({ author: 'autobot', votes: {$gte: 5}}) * * query.elemMatch('comment', function (elem) { * elem.where('author').equals('autobot'); * elem.where('votes').gte(5); * }) * * query.where('comment').elemMatch(function (elem) { * elem.where({ author: 'autobot' }); * elem.where('votes').gte(5); * }) * * @method elemMatch * @memberOf Query * @instance * @param {String|Object|Function} path * @param {Object|Function} filter * @return {Query} this * @see $elemMatch https://docs.mongodb.org/manual/reference/operator/elemMatch/ * @api public *//** * Defines a `$within` or `$geoWithin` argument for geo-spatial queries. * * #### Example: * * query.where(path).within().box() * query.where(path).within().circle() * query.where(path).within().geometry() * * query.where('loc').within({ center: [50,50], radius: 10, unique: true, spherical: true }); * query.where('loc').within({ box: [[40.73, -73.9], [40.7, -73.988]] }); * query.where('loc').within({ polygon: [[],[],[],[]] }); * * query.where('loc').within([], [], []) // polygon * query.where('loc').within([], []) // box * query.where('loc').within({ type: 'LineString', coordinates: [...] }); // geometry * * **MUST** be used after `where()`. * * #### Note: * * As of Mongoose 3.7, `$geoWithin` is always used for queries. To change this behavior, see [Query.use$geoWithin](#query_Query-use%2524geoWithin). * * #### Note: * * In Mongoose 3.7, `within` changed from a getter to a function. If you need the old syntax, use [this](https://github.com/ebensing/mongoose-within). * * @method within * @see $polygon https://docs.mongodb.org/manual/reference/operator/polygon/ * @see $box https://docs.mongodb.org/manual/reference/operator/box/ * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/ * @see $center https://docs.mongodb.org/manual/reference/operator/center/ * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/ * @memberOf Query * @instance * @return {Query} this * @api public *//** * Specifies the maximum number of documents the query will return. * * #### Example: * * query.limit(20); * * #### Note: * * Cannot be used with `distinct()` * * @method limit * @memberOf Query * @instance * @param {Number} val * @api public */Query.prototype.limit = function limit(v) { this._validate('limit'); if (typeof v === 'string') { try { v = castNumber(v); } catch (err) { throw new CastError('Number', v, 'limit'); } } this.options.limit = v; return this;};
/** * Specifies the number of documents to skip. * * #### Example: * * query.skip(100).limit(20); * * #### Note: * * Cannot be used with `distinct()` * * @method skip * @memberOf Query * @instance * @param {Number} val * @see cursor.skip https://docs.mongodb.org/manual/reference/method/cursor.skip/ * @api public */Query.prototype.skip = function skip(v) { this._validate('skip'); if (typeof v === 'string') { try { v = castNumber(v); } catch (err) { throw new CastError('Number', v, 'skip'); } } this.options.skip = v; return this;};
/** * Specifies the maxScan option. * * #### Example: * * query.maxScan(100); * * #### Note: * * Cannot be used with `distinct()` * * @method maxScan * @memberOf Query * @instance * @param {Number} val * @see maxScan https://docs.mongodb.org/manual/reference/operator/maxScan/ * @api public *//** * Specifies the batchSize option. * * #### Example: * * query.batchSize(100) * * #### Note: * * Cannot be used with `distinct()` * * @method batchSize * @memberOf Query * @instance * @param {Number} val * @see batchSize https://docs.mongodb.org/manual/reference/method/cursor.batchSize/ * @api public *//** * Specifies the `comment` option. * * #### Example: * * query.comment('login query') * * #### Note: * * Cannot be used with `distinct()` * * @method comment * @memberOf Query * @instance * @param {String} val * @see comment https://docs.mongodb.org/manual/reference/operator/comment/ * @api public *//** * Specifies this query as a `snapshot` query. * * #### Example: * * query.snapshot(); // true * query.snapshot(true); * query.snapshot(false); * * #### Note: * * Cannot be used with `distinct()` * * @method snapshot * @memberOf Query * @instance * @see snapshot https://docs.mongodb.org/manual/reference/operator/snapshot/ * @return {Query} this * @api public *//** * Sets query hints. * * #### Example: * * query.hint({ indexA: 1, indexB: -1 }); * * #### Note: * * Cannot be used with `distinct()` * * @method hint * @memberOf Query * @instance * @param {Object} val a hint object * @return {Query} this * @see $hint https://docs.mongodb.org/manual/reference/operator/hint/ * @api public *//** * Get/set the current projection (AKA fields). Pass `null` to remove the * current projection. * * Unlike `projection()`, the `select()` function modifies the current * projection in place. This function overwrites the existing projection. * * #### Example: * * const q = Model.find(); * q.projection(); // null * * q.select('a b'); * q.projection(); // { a: 1, b: 1 } * * q.projection({ c: 1 }); * q.projection(); // { c: 1 } * * q.projection(null); * q.projection(); // null * * * @method projection * @memberOf Query * @instance * @param {Object|null} arg * @return {Object} the current projection * @api public */Query.prototype.projection = function(arg) { if (arguments.length === 0) { return this._fields; } this._fields = {}; this._userProvidedFields = {}; this.select(arg); return this._fields;};
/** * Specifies which document fields to include or exclude (also known as the query "projection") * * When using string syntax, prefixing a path with `-` will flag that path as excluded. When a path does not have the `-` prefix, it is included. Lastly, if a path is prefixed with `+`, it forces inclusion of the path, which is useful for paths excluded at the [schema level](/docs/api.html#schematype_SchemaType-select). * * A projection _must_ be either inclusive or exclusive. In other words, you must * either list the fields to include (which excludes all others), or list the fields * to exclude (which implies all other fields are included). The [`_id` field is the only exception because MongoDB includes it by default](https://docs.mongodb.com/manual/tutorial/project-fields-from-query-results/#suppress-id-field). * * #### Example: * * // include a and b, exclude other fields * query.select('a b'); * // Equivalent syntaxes: * query.select(['a', 'b']); * query.select({ a: 1, b: 1 }); * * // exclude c and d, include other fields * query.select('-c -d'); * * // Use `+` to override schema-level `select: false` without making the * // projection inclusive. * const schema = new Schema({ * foo: { type: String, select: false }, * bar: String * }); * // ... * query.select('+foo'); // Override foo's `select: false` without excluding `bar` * * // or you may use object notation, useful when * // you have keys already prefixed with a "-" * query.select({ a: 1, b: 1 }); * query.select({ c: 0, d: 0 }); * * Additional calls to select can override the previous selection: * query.select({ a: 1, b: 1 }).select({ b: 0 }); // selection is now { a: 1 } * query.select({ a: 0, b: 0 }).select({ b: 1 }); // selection is now { a: 0 } * * * @method select * @memberOf Query * @instance * @param {Object|String|String[]} arg * @return {Query} this * @see SchemaType /docs/api/schematype * @api public */Query.prototype.select = function select() { let arg = arguments[0]; if (!arg) return this; if (arguments.length !== 1) { throw new Error('Invalid select: select only takes 1 argument'); } this._validate('select'); const fields = this._fields || (this._fields = {}); const userProvidedFields = this._userProvidedFields || (this._userProvidedFields = {}); let sanitizeProjection = undefined; if (this.model != null && utils.hasUserDefinedProperty(this.model.db.options, 'sanitizeProjection')) { sanitizeProjection = this.model.db.options.sanitizeProjection; } else if (this.model != null && utils.hasUserDefinedProperty(this.model.base.options, 'sanitizeProjection')) { sanitizeProjection = this.model.base.options.sanitizeProjection; } else { sanitizeProjection = this._mongooseOptions.sanitizeProjection; } function sanitizeValue(value) { return typeof value === 'string' && sanitizeProjection ? value = 1 : value; } arg = parseProjection(arg); if (utils.isObject(arg)) { if (this.selectedInclusively()) { Object.entries(arg).forEach(([key, value]) => { if (value) { // Add the field to the projection fields[key] = userProvidedFields[key] = sanitizeValue(value); } else { // Remove the field from the projection Object.keys(userProvidedFields).forEach(field => { if (isSubpath(key, field)) { delete fields[field]; delete userProvidedFields[field]; } }); } }); } else if (this.selectedExclusively()) { Object.entries(arg).forEach(([key, value]) => { if (!value) { // Add the field to the projection fields[key] = userProvidedFields[key] = sanitizeValue(value); } else { // Remove the field from the projection Object.keys(userProvidedFields).forEach(field => { if (isSubpath(key, field)) { delete fields[field]; delete userProvidedFields[field]; } }); } }); } else { const keys = Object.keys(arg); for (let i = 0; i < keys.length; ++i) { const value = arg[keys[i]]; fields[keys[i]] = sanitizeValue(value); userProvidedFields[keys[i]] = sanitizeValue(value); } } return this; } throw new TypeError('Invalid select() argument. Must be string or object.');};
/** * Determines the MongoDB nodes from which to read. * * #### Preferences: * * ``` * primary - (default) Read from primary only. Operations will produce an error if primary is unavailable. Cannot be combined with tags. * secondary Read from secondary if available, otherwise error. * primaryPreferred Read from primary if available, otherwise a secondary. * secondaryPreferred Read from a secondary if available, otherwise read from the primary. * nearest All operations read from among the nearest candidates, but unlike other modes, this option will include both the primary and all secondaries in the random selection. * ``` * * Aliases * * ``` * p primary * pp primaryPreferred * s secondary * sp secondaryPreferred * n nearest * ``` * * #### Example: * * new Query().read('primary') * new Query().read('p') // same as primary * * new Query().read('primaryPreferred') * new Query().read('pp') // same as primaryPreferred * * new Query().read('secondary') * new Query().read('s') // same as secondary * * new Query().read('secondaryPreferred') * new Query().read('sp') // same as secondaryPreferred * * new Query().read('nearest') * new Query().read('n') // same as nearest * * // read from secondaries with matching tags * new Query().read('s', [{ dc:'sf', s: 1 },{ dc:'ma', s: 2 }]) * * Read more about how to use read preferences [here](https://docs.mongodb.org/manual/applications/replication/#read-preference). * * @method read * @memberOf Query * @instance * @param {String} pref one of the listed preference options or aliases * @param {Array} [tags] optional tags for this query * @see mongodb https://docs.mongodb.org/manual/applications/replication/#read-preference * @return {Query} this * @api public */Query.prototype.read = function read(pref, tags) { // first cast into a ReadPreference object to support tags const read = new ReadPreference(pref, tags); this.options.readPreference = read; return this;};
/** * Overwrite default `.toString` to make logging more useful * * @memberOf Query * @instance * @method toString * @api private */Query.prototype.toString = function toString() { if (this.op === 'count' || this.op === 'countDocuments' || this.op === 'find' || this.op === 'findOne' || this.op === 'deleteMany' || this.op === 'deleteOne' || this.op === 'findOneAndDelete' || this.op === 'findOneAndRemove' || this.op === 'remove') { return `${this.model.modelName}.${this.op}(${util.inspect(this._conditions)})`; } if (this.op === 'distinct') { return `${this.model.modelName}.distinct('${this._distinct}', ${util.inspect(this._conditions)})`; } if (this.op === 'findOneAndReplace' || this.op === 'findOneAndUpdate' || this.op === 'replaceOne' || this.op === 'update' || this.op === 'updateMany' || this.op === 'updateOne') { return `${this.model.modelName}.${this.op}(${util.inspect(this._conditions)}, ${util.inspect(this._update)})`; } // 'estimatedDocumentCount' or any others return `${this.model.modelName}.${this.op}()`;};
/** * Sets the [MongoDB session](https://docs.mongodb.com/manual/reference/server-sessions/) * associated with this query. Sessions are how you mark a query as part of a * [transaction](/docs/transactions.html). * * Calling `session(null)` removes the session from this query. * * #### Example: * * const s = await mongoose.startSession(); * await mongoose.model('Person').findOne({ name: 'Axl Rose' }).session(s); * * @method session * @memberOf Query * @instance * @param {ClientSession} [session] from `await conn.startSession()` * @see Connection.prototype.startSession() /docs/api.html#connection_Connection-startSession * @see mongoose.startSession() /docs/api.html#mongoose_Mongoose-startSession * @return {Query} this * @api public */Query.prototype.session = function session(v) { if (v == null) { delete this.options.session; } this.options.session = v; return this;};
/** * Sets the 3 write concern parameters for this query: * * - `w`: Sets the specified number of `mongod` servers, or tag set of `mongod` servers, that must acknowledge this write before this write is considered successful. * - `j`: Boolean, set to `true` to request acknowledgement that this operation has been persisted to MongoDB's on-disk journal. * - `wtimeout`: If [`w > 1`](/docs/api.html#query_Query-w), the maximum amount of time to wait for this write to propagate through the replica set before this operation fails. The default is `0`, which means no timeout. * * This option is only valid for operations that write to the database: * * - `deleteOne()` * - `deleteMany()` * - `findOneAndDelete()` * - `findOneAndReplace()` * - `findOneAndUpdate()` * - `remove()` * - `update()` * - `updateOne()` * - `updateMany()` * * Defaults to the schema's [`writeConcern` option](/docs/guide.html#writeConcern) * * #### Example: * * // The 'majority' option means the `deleteOne()` promise won't resolve * // until the `deleteOne()` has propagated to the majority of the replica set * await mongoose.model('Person'). * deleteOne({ name: 'Ned Stark' }). * writeConcern({ w: 'majority' }); * * @method writeConcern * @memberOf Query * @instance * @param {Object} writeConcern the write concern value to set * @see WriteConcernSettings https://mongodb.github.io/node-mongodb-native/4.9/interfaces/WriteConcernSettings.html * @return {Query} this * @api public */Query.prototype.writeConcern = function writeConcern(val) { if (val == null) { delete this.options.writeConcern; return this; } this.options.writeConcern = val; return this;};
/** * Sets the specified number of `mongod` servers, or tag set of `mongod` servers, * that must acknowledge this write before this write is considered successful. * This option is only valid for operations that write to the database: * * - `deleteOne()` * - `deleteMany()` * - `findOneAndDelete()` * - `findOneAndReplace()` * - `findOneAndUpdate()` * - `remove()` * - `update()` * - `updateOne()` * - `updateMany()` * * Defaults to the schema's [`writeConcern.w` option](/docs/guide.html#writeConcern) * * #### Example: * * // The 'majority' option means the `deleteOne()` promise won't resolve * // until the `deleteOne()` has propagated to the majority of the replica set * await mongoose.model('Person'). * deleteOne({ name: 'Ned Stark' }). * w('majority'); * * @method w * @memberOf Query * @instance * @param {String|number} val 0 for fire-and-forget, 1 for acknowledged by one server, 'majority' for majority of the replica set, or [any of the more advanced options](https://docs.mongodb.com/manual/reference/write-concern/#w-option). * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#w-option * @return {Query} this * @api public */Query.prototype.w = function w(val) { if (val == null) { delete this.options.w; } if (this.options.writeConcern != null) { this.options.writeConcern.w = val; } else { this.options.w = val; } return this;};
/** * Requests acknowledgement that this operation has been persisted to MongoDB's * on-disk journal. * This option is only valid for operations that write to the database: * * - `deleteOne()` * - `deleteMany()` * - `findOneAndDelete()` * - `findOneAndReplace()` * - `findOneAndUpdate()` * - `remove()` * - `update()` * - `updateOne()` * - `updateMany()` * * Defaults to the schema's [`writeConcern.j` option](/docs/guide.html#writeConcern) * * #### Example: * * await mongoose.model('Person').deleteOne({ name: 'Ned Stark' }).j(true); * * @method j * @memberOf Query * @instance * @param {boolean} val * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#j-option * @return {Query} this * @api public */Query.prototype.j = function j(val) { if (val == null) { delete this.options.j; } if (this.options.writeConcern != null) { this.options.writeConcern.j = val; } else { this.options.j = val; } return this;};
/** * If [`w > 1`](/docs/api.html#query_Query-w), the maximum amount of time to * wait for this write to propagate through the replica set before this * operation fails. The default is `0`, which means no timeout. * * This option is only valid for operations that write to the database: * * - `deleteOne()` * - `deleteMany()` * - `findOneAndDelete()` * - `findOneAndReplace()` * - `findOneAndUpdate()` * - `remove()` * - `update()` * - `updateOne()` * - `updateMany()` * * Defaults to the schema's [`writeConcern.wtimeout` option](/docs/guide.html#writeConcern) * * #### Example: * * // The `deleteOne()` promise won't resolve until this `deleteOne()` has * // propagated to at least `w = 2` members of the replica set. If it takes * // longer than 1 second, this `deleteOne()` will fail. * await mongoose.model('Person'). * deleteOne({ name: 'Ned Stark' }). * w(2). * wtimeout(1000); * * @method wtimeout * @memberOf Query * @instance * @param {number} ms number of milliseconds to wait * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#wtimeout * @return {Query} this * @api public */Query.prototype.wtimeout = function wtimeout(ms) { if (ms == null) { delete this.options.wtimeout; } if (this.options.writeConcern != null) { this.options.writeConcern.wtimeout = ms; } else { this.options.wtimeout = ms; } return this;};
/** * Sets the readConcern option for the query. * * #### Example: * * new Query().readConcern('local') * new Query().readConcern('l') // same as local * * new Query().readConcern('available') * new Query().readConcern('a') // same as available * * new Query().readConcern('majority') * new Query().readConcern('m') // same as majority * * new Query().readConcern('linearizable') * new Query().readConcern('lz') // same as linearizable * * new Query().readConcern('snapshot') * new Query().readConcern('s') // same as snapshot * * * #### Read Concern Level: * * ``` * local MongoDB 3.2+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). * available MongoDB 3.6+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). * majority MongoDB 3.2+ The query returns the data that has been acknowledged by a majority of the replica set members. The documents returned by the read operation are durable, even in the event of failure. * linearizable MongoDB 3.4+ The query returns data that reflects all successful majority-acknowledged writes that completed prior to the start of the read operation. The query may wait for concurrently executing writes to propagate to a majority of replica set members before returning results. * snapshot MongoDB 4.0+ Only available for operations within multi-document transactions. Upon transaction commit with write concern "majority", the transaction operations are guaranteed to have read from a snapshot of majority-committed data. * ``` * * Aliases * * ``` * l local * a available * m majority * lz linearizable * s snapshot * ``` * * Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/). * * @memberOf Query * @method readConcern * @param {String} level one of the listed read concern level or their aliases * @see mongodb https://docs.mongodb.com/manual/reference/read-concern/ * @return {Query} this * @api public *//** * Gets query options. * * #### Example: * * const query = new Query(); * query.limit(10); * query.setOptions({ maxTimeMS: 1000 }); * query.getOptions(); // { limit: 10, maxTimeMS: 1000 } * * @return {Object} the options * @api public */Query.prototype.getOptions = function() { return this.options;};
/** * Sets query options. Some options only make sense for certain operations. * * #### Options: * * The following options are only for `find()`: * * - [tailable](https://www.mongodb.org/display/DOCS/Tailable+Cursors) * - [sort](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsort(\)%7D%7D) * - [limit](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Blimit%28%29%7D%7D) * - [skip](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bskip%28%29%7D%7D) * - [allowDiskUse](https://docs.mongodb.com/manual/reference/method/cursor.allowDiskUse/) * - [batchSize](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7BbatchSize%28%29%7D%7D) * - [readPreference](https://docs.mongodb.org/manual/applications/replication/#read-preference) * - [hint](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24hint) * - [comment](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24comment) * - [snapshot](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsnapshot%28%29%7D%7D) * - [maxscan](https://docs.mongodb.org/v3.2/reference/operator/meta/maxScan/#metaOp._S_maxScan) * * The following options are only for write operations: `update()`, `updateOne()`, `updateMany()`, `replaceOne()`, `findOneAndUpdate()`, and `findByIdAndUpdate()`: * * - [upsert](https://docs.mongodb.com/manual/reference/method/db.collection.update/) * - [writeConcern](https://docs.mongodb.com/manual/reference/method/db.collection.update/) * - [timestamps](https://mongoosejs.com/docs/guide.html#timestamps): If `timestamps` is set in the schema, set this option to `false` to skip timestamps for that particular update. Has no effect if `timestamps` is not enabled in the schema options. * - overwriteDiscriminatorKey: allow setting the discriminator key in the update. Will use the correct discriminator schema if the update changes the discriminator key. * * The following options are only for `find()`, `findOne()`, `findById()`, `findOneAndUpdate()`, and `findByIdAndUpdate()`: * * - [lean](./api.html#query_Query-lean) * - [populate](/docs/populate.html) * - [projection](/docs/api/query.html#query_Query-projection) * - sanitizeProjection * * The following options are only for all operations **except** `update()`, `updateOne()`, `updateMany()`, `remove()`, `deleteOne()`, and `deleteMany()`: * * - [maxTimeMS](https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/) * * The following options are for `findOneAndUpdate()` and `findOneAndRemove()` * * - rawResult * * The following options are for all operations: * * - [strict](/docs/guide.html#strict) * - [collation](https://docs.mongodb.com/manual/reference/collation/) * - [session](https://docs.mongodb.com/manual/reference/server-sessions/) * - [explain](https://docs.mongodb.com/manual/reference/method/cursor.explain/) * * @param {Object} options * @return {Query} this * @api public */Query.prototype.setOptions = function(options, overwrite) { // overwrite is only for internal use if (overwrite) { // ensure that _mongooseOptions & options are two different objects this._mongooseOptions = (options && utils.clone(options)) || {}; this.options = options || {}; if ('populate' in options) { this.populate(this._mongooseOptions); } return this; } if (options == null) { return this; } if (typeof options !== 'object') { throw new Error('Options must be an object, got "' + options + '"'); } options = Object.assign({}, options); if (Array.isArray(options.populate)) { const populate = options.populate; delete options.populate; const _numPopulate = populate.length; for (let i = 0; i < _numPopulate; ++i) { this.populate(populate[i]); } } if ('setDefaultsOnInsert' in options) { this._mongooseOptions.setDefaultsOnInsert = options.setDefaultsOnInsert; delete options.setDefaultsOnInsert; } if ('overwriteDiscriminatorKey' in options) { this._mongooseOptions.overwriteDiscriminatorKey = options.overwriteDiscriminatorKey; delete options.overwriteDiscriminatorKey; } if ('sanitizeProjection' in options) { if (options.sanitizeProjection && !this._mongooseOptions.sanitizeProjection) { sanitizeProjection(this._fields); } this._mongooseOptions.sanitizeProjection = options.sanitizeProjection; delete options.sanitizeProjection; } if ('sanitizeFilter' in options) { this._mongooseOptions.sanitizeFilter = options.sanitizeFilter; delete options.sanitizeFilter; } if ('defaults' in options) { this._mongooseOptions.defaults = options.defaults; // deleting options.defaults will cause 7287 to fail } if (options.lean == null && this.schema && 'lean' in this.schema.options) { this._mongooseOptions.lean = this.schema.options.lean; } if (typeof options.limit === 'string') { try { options.limit = castNumber(options.limit); } catch (err) { throw new CastError('Number', options.limit, 'limit'); } } if (typeof options.skip === 'string') { try { options.skip = castNumber(options.skip); } catch (err) { throw new CastError('Number', options.skip, 'skip'); } } // set arbitrary options for (const key of Object.keys(options)) { if (queryOptionMethods.has(key)) { const args = Array.isArray(options[key]) ? options[key] : [options[key]]; this[key].apply(this, args); } else { this.options[key] = options[key]; } } return this;};
/** * Sets the [`explain` option](https://docs.mongodb.com/manual/reference/method/cursor.explain/), * which makes this query return detailed execution stats instead of the actual * query result. This method is useful for determining what index your queries * use. * * Calling `query.explain(v)` is equivalent to `query.setOptions({ explain: v })` * * #### Example: * * const query = new Query(); * const res = await query.find({ a: 1 }).explain('queryPlanner'); * console.log(res); * * @param {String} [verbose] The verbosity mode. Either 'queryPlanner', 'executionStats', or 'allPlansExecution'. The default is 'queryPlanner' * @return {Query} this * @api public */Query.prototype.explain = function(verbose) { if (arguments.length === 0) { this.options.explain = true; } else if (verbose === false) { delete this.options.explain; } else { this.options.explain = verbose; } return this;};
/** * Sets the [`allowDiskUse` option](https://docs.mongodb.com/manual/reference/method/cursor.allowDiskUse/), * which allows the MongoDB server to use more than 100 MB for this query's `sort()`. This option can * let you work around `QueryExceededMemoryLimitNoDiskUseAllowed` errors from the MongoDB server. * * Note that this option requires MongoDB server >= 4.4. Setting this option is a no-op for MongoDB 4.2 * and earlier. * * Calling `query.allowDiskUse(v)` is equivalent to `query.setOptions({ allowDiskUse: v })` * * #### Example: * * await query.find().sort({ name: 1 }).allowDiskUse(true); * // Equivalent: * await query.find().sort({ name: 1 }).allowDiskUse(); * * @param {Boolean} [v] Enable/disable `allowDiskUse`. If called with 0 arguments, sets `allowDiskUse: true` * @return {Query} this * @api public */Query.prototype.allowDiskUse = function(v) { if (arguments.length === 0) { this.options.allowDiskUse = true; } else if (v === false) { delete this.options.allowDiskUse; } else { this.options.allowDiskUse = v; } return this;};
/** * Sets the [maxTimeMS](https://docs.mongodb.com/manual/reference/method/cursor.maxTimeMS/) * option. This will tell the MongoDB server to abort if the query or write op * has been running for more than `ms` milliseconds. * * Calling `query.maxTimeMS(v)` is equivalent to `query.setOptions({ maxTimeMS: v })` * * #### Example: * * const query = new Query(); * // Throws an error 'operation exceeded time limit' as long as there's * // >= 1 doc in the queried collection * const res = await query.find({ $where: 'sleep(1000) || true' }).maxTimeMS(100); * * @param {Number} [ms] The number of milliseconds * @return {Query} this * @api public */Query.prototype.maxTimeMS = function(ms) { this.options.maxTimeMS = ms; return this;};
/** * Returns the current query filter (also known as conditions) as a [POJO](https://masteringjs.io/tutorials/fundamentals/pojo). * * #### Example: * * const query = new Query(); * query.find({ a: 1 }).where('b').gt(2); * query.getFilter(); // { a: 1, b: { $gt: 2 } } * * @return {Object} current query filter * @api public */Query.prototype.getFilter = function() { return this._conditions;};
/** * Returns the current query filter. Equivalent to `getFilter()`. * * You should use `getFilter()` instead of `getQuery()` where possible. `getQuery()` * will likely be deprecated in a future release. * * #### Example: * * const query = new Query(); * query.find({ a: 1 }).where('b').gt(2); * query.getQuery(); // { a: 1, b: { $gt: 2 } } * * @return {Object} current query filter * @api public */Query.prototype.getQuery = function() { return this._conditions;};
/** * Sets the query conditions to the provided JSON object. * * #### Example: * * const query = new Query(); * query.find({ a: 1 }) * query.setQuery({ a: 2 }); * query.getQuery(); // { a: 2 } * * @param {Object} new query conditions * @return {undefined} * @api public */Query.prototype.setQuery = function(val) { this._conditions = val;};
/** * Returns the current update operations as a JSON object. * * #### Example: * * const query = new Query(); * query.update({}, { $set: { a: 5 } }); * query.getUpdate(); // { $set: { a: 5 } } * * @return {Object} current update operations * @api public */Query.prototype.getUpdate = function() { return this._update;};
/** * Sets the current update operation to new value. * * #### Example: * * const query = new Query(); * query.update({}, { $set: { a: 5 } }); * query.setUpdate({ $set: { b: 6 } }); * query.getUpdate(); // { $set: { b: 6 } } * * @param {Object} new update operation * @return {undefined} * @api public */Query.prototype.setUpdate = function(val) { this._update = val;};
/** * Returns fields selection for this query. * * @method _fieldsForExec * @return {Object} * @api private * @memberOf Query */Query.prototype._fieldsForExec = function() { return utils.clone(this._fields);};

/** * Return an update document with corrected `$set` operations. * * @method _updateForExec * @return {Object} * @api private * @memberOf Query */Query.prototype._updateForExec = function() { const update = utils.clone(this._update, { transform: false, depopulate: true }); const ops = Object.keys(update); let i = ops.length; const ret = {}; while (i--) { const op = ops[i]; if (this.options.overwrite) { ret[op] = update[op]; continue; } if ('$' !== op[0]) { // fix up $set sugar if (!ret.$set) { if (update.$set) { ret.$set = update.$set; } else { ret.$set = {}; } } ret.$set[op] = update[op]; ops.splice(i, 1); if (!~ops.indexOf('$set')) ops.push('$set'); } else if ('$set' === op) { if (!ret.$set) { ret[op] = update[op]; } } else { ret[op] = update[op]; } } return ret;};
/** * Makes sure _path is set. * * This method is inherited by `mquery` * * @method _ensurePath * @param {String} method * @api private * @memberOf Query *//** * Determines if `conds` can be merged using `mquery().merge()` * * @method canMerge * @memberOf Query * @instance * @param {Object} conds * @return {Boolean} * @api private *//** * Returns default options for this query. * * @param {Model} model * @api private */Query.prototype._optionsForExec = function(model) { const options = utils.clone(this.options); delete options.populate; model = model || this.model; if (!model) { return options; } // Apply schema-level `writeConcern` option applyWriteConcern(model.schema, options); const readPreference = model && model.schema && model.schema.options && model.schema.options.read; if (!('readPreference' in options) && readPreference) { options.readPreference = readPreference; } if (options.upsert !== void 0) { options.upsert = !!options.upsert; } if (options.writeConcern) { if (options.j) { options.writeConcern.j = options.j; delete options.j; } if (options.w) { options.writeConcern.w = options.w; delete options.w; } if (options.wtimeout) { options.writeConcern.wtimeout = options.wtimeout; delete options.wtimeout; } } return options;};
/** * Sets the lean option. * * Documents returned from queries with the `lean` option enabled are plain * javascript objects, not [Mongoose Documents](/api/document.html). They have no * `save` method, getters/setters, virtuals, or other Mongoose features. * * #### Example: * * new Query().lean() // true * new Query().lean(true) * new Query().lean(false) * * const docs = await Model.find().lean(); * docs[0] instanceof mongoose.Document; // false * * [Lean is great for high-performance, read-only cases](/docs/tutorials/lean.html), * especially when combined * with [cursors](/docs/queries.html#streaming). * * If you need virtuals, getters/setters, or defaults with `lean()`, you need * to use a plugin. See: * * - [mongoose-lean-virtuals](https://plugins.mongoosejs.io/plugins/lean-virtuals) * - [mongoose-lean-getters](https://plugins.mongoosejs.io/plugins/lean-getters) * - [mongoose-lean-defaults](https://www.npmjs.com/package/mongoose-lean-defaults) * * @param {Boolean|Object} bool defaults to true * @return {Query} this * @api public */Query.prototype.lean = function(v) { this._mongooseOptions.lean = arguments.length ? v : true; return this;};
/** * Adds a `$set` to this query's update without changing the operation. * This is useful for query middleware so you can add an update regardless * of whether you use `updateOne()`, `updateMany()`, `findOneAndUpdate()`, etc. * * #### Example: * * // Updates `{ $set: { updatedAt: new Date() } }` * new Query().updateOne({}, {}).set('updatedAt', new Date()); * new Query().updateMany({}, {}).set({ updatedAt: new Date() }); * * @param {String|Object} path path or object of key/value pairs to set * @param {Any} [val] the value to set * @return {Query} this * @api public */Query.prototype.set = function(path, val) { if (typeof path === 'object') { const keys = Object.keys(path); for (const key of keys) { this.set(key, path[key]); } return this; } this._update = this._update || {}; if (path in this._update) { delete this._update[path]; } this._update.$set = this._update.$set || {}; this._update.$set[path] = val; return this;};
/** * For update operations, returns the value of a path in the update's `$set`. * Useful for writing getters/setters that can work with both update operations * and `save()`. * * #### Example: * * const query = Model.updateOne({}, { $set: { name: 'Jean-Luc Picard' } }); * query.get('name'); // 'Jean-Luc Picard' * * @param {String|Object} path path or object of key/value pairs to get * @return {Query} this * @api public */Query.prototype.get = function get(path) { const update = this._update; if (update == null) { return void 0; } const $set = update.$set; if ($set == null) { return update[path]; } if (utils.hasUserDefinedProperty(update, path)) { return update[path]; } if (utils.hasUserDefinedProperty($set, path)) { return $set[path]; } return void 0;};
/** * Gets/sets the error flag on this query. If this flag is not null or * undefined, the `exec()` promise will reject without executing. * * #### Example: * * Query().error(); // Get current error value * Query().error(null); // Unset the current error * Query().error(new Error('test')); // `exec()` will resolve with test * Schema.pre('find', function() { * if (!this.getQuery().userId) { * this.error(new Error('Not allowed to query without setting userId')); * } * }); * * Note that query casting runs **after** hooks, so cast errors will override * custom errors. * * #### Example: * * const TestSchema = new Schema({ num: Number }); * const TestModel = db.model('Test', TestSchema); * TestModel.find({ num: 'not a number' }).error(new Error('woops')).exec(function(error) { * // `error` will be a cast error because `num` failed to cast * }); * * @param {Error|null} err if set, `exec()` will fail fast before sending the query to MongoDB * @return {Query} this * @api public */Query.prototype.error = function error(err) { if (arguments.length === 0) { return this._error; } this._error = err; return this;};
/** * ignore * @method _unsetCastError * @instance * @memberOf Query * @api private */Query.prototype._unsetCastError = function _unsetCastError() { if (this._error != null && !(this._error instanceof CastError)) { return; } return this.error(null);};
/** * Getter/setter around the current mongoose-specific options for this query * Below are the current Mongoose-specific options. * * - `populate`: an array representing what paths will be populated. Should have one entry for each call to [`Query.prototype.populate()`](/docs/api.html#query_Query-populate) * - `lean`: if truthy, Mongoose will not [hydrate](/docs/api.html#model_Model-hydrate) any documents that are returned from this query. See [`Query.prototype.lean()`](/docs/api.html#query_Query-lean) for more information. * - `strict`: controls how Mongoose handles keys that aren't in the schema for updates. This option is `true` by default, which means Mongoose will silently strip any paths in the update that aren't in the schema. See the [`strict` mode docs](/docs/guide.html#strict) for more information. * - `strictQuery`: controls how Mongoose handles keys that aren't in the schema for the query `filter`. This option is `false` by default for backwards compatibility, which means Mongoose will allow `Model.find({ foo: 'bar' })` even if `foo` is not in the schema. See the [`strictQuery` docs](/docs/guide.html#strictQuery) for more information. * - `nearSphere`: use `$nearSphere` instead of `near()`. See the [`Query.prototype.nearSphere()` docs](/docs/api.html#query_Query-nearSphere) * * Mongoose maintains a separate object for internal options because * Mongoose sends `Query.prototype.options` to the MongoDB server, and the * above options are not relevant for the MongoDB server. * * @param {Object} options if specified, overwrites the current options * @return {Object} the options * @api public */Query.prototype.mongooseOptions = function(v) { if (arguments.length > 0) { this._mongooseOptions = v; } return this._mongooseOptions;};
/** * ignore * @method _castConditions * @memberOf Query * @api private * @instance */Query.prototype._castConditions = function() { let sanitizeFilterOpt = undefined; if (this.model != null && utils.hasUserDefinedProperty(this.model.db.options, 'sanitizeFilter')) { sanitizeFilterOpt = this.model.db.options.sanitizeFilter; } else if (this.model != null && utils.hasUserDefinedProperty(this.model.base.options, 'sanitizeFilter')) { sanitizeFilterOpt = this.model.base.options.sanitizeFilter; } else { sanitizeFilterOpt = this._mongooseOptions.sanitizeFilter; } if (sanitizeFilterOpt) { sanitizeFilter(this._conditions); } try { this.cast(this.model); this._unsetCastError(); } catch (err) { this.error(err); }};
/*! * ignore */function _castArrayFilters(query) { try { castArrayFilters(query); } catch (err) { query.error(err); }}
/** * Thunk around find() * * @param {Function} [callback] * @return {Query} this * @api private */Query.prototype._find = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return null; } callback = _wrapThunkCallback(this, callback); this._applyPaths(); this._fields = this._castFields(this._fields); const fields = this._fieldsForExec(); const mongooseOptions = this._mongooseOptions; const _this = this; const userProvidedFields = _this._userProvidedFields || {}; applyGlobalMaxTimeMS(this.options, this.model); applyGlobalDiskUse(this.options, this.model); // Separate options to pass down to `completeMany()` in case we need to // set a session on the document const completeManyOptions = Object.assign({}, { session: this && this.options && this.options.session || null, lean: mongooseOptions.lean || null }); const cb = (err, docs) => { if (err) { return callback(err); } if (docs.length === 0) { return callback(null, docs); } if (this.options.explain) { return callback(null, docs); } if (!mongooseOptions.populate) { const versionKey = _this.schema.options.versionKey; if (mongooseOptions.lean && mongooseOptions.lean.versionKey === false && versionKey) { docs.forEach((doc) => { if (versionKey in doc) { delete doc[versionKey]; } }); } return mongooseOptions.lean ? // call _completeManyLean here? _completeManyLean(_this.model.schema, docs, null, completeManyOptions, callback) : // callback(null, docs) : completeMany(_this.model, docs, fields, userProvidedFields, completeManyOptions, callback); } const pop = helpers.preparePopulationOptionsMQ(_this, mongooseOptions); if (mongooseOptions.lean) { return _this.model.populate(docs, pop, callback); } completeMany(_this.model, docs, fields, userProvidedFields, completeManyOptions, (err, docs) => { if (err != null) { return callback(err); } _this.model.populate(docs, pop, callback); }); }; const options = this._optionsForExec(); options.projection = this._fieldsForExec(); const filter = this._conditions; this._collection.collection.find(filter, options, (err, cursor) => { if (err != null) { return cb(err); } if (options.explain) { return cursor.explain(cb); } try { return cursor.toArray(cb); } catch (err) { return cb(err); } });});
/** * Find all documents that match `selector`. The result will be an array of documents. * * If there are too many documents in the result to fit in memory, use * [`Query.prototype.cursor()`](api.html#query_Query-cursor) * * #### Example: * * // Using async/await * const arr = await Movie.find({ year: { $gte: 1980, $lte: 1989 } }); * * // Using callbacks * Movie.find({ year: { $gte: 1980, $lte: 1989 } }, function(err, arr) {}); * * @param {Object|ObjectId} [filter] mongodb selector. If not specified, returns all documents. * @param {Function} [callback] * @return {Query} this * @api public */Query.prototype.find = function(conditions, callback) { this.op = 'find'; if (typeof conditions === 'function') { callback = conditions; conditions = {}; } conditions = utils.toObject(conditions); if (mquery.canMerge(conditions)) { this.merge(conditions); prepareDiscriminatorCriteria(this); } else if (conditions != null) { this.error(new ObjectParameterError(conditions, 'filter', 'find')); } // if we don't have a callback, then just return the query object if (!callback) { return Query.base.find.call(this); } this.exec(callback); return this;};
/** * Merges another Query or conditions object into this one. * * When a Query is passed, conditions, field selection and options are merged. * * @param {Query|Object} source * @return {Query} this */Query.prototype.merge = function(source) { if (!source) { return this; } const opts = { overwrite: true }; if (source instanceof Query) { // if source has a feature, apply it to ourselves if (source._conditions) { utils.merge(this._conditions, source._conditions, opts); } if (source._fields) { this._fields || (this._fields = {}); utils.merge(this._fields, source._fields, opts); } if (source.options) { this.options || (this.options = {}); utils.merge(this.options, source.options, opts); } if (source._update) { this._update || (this._update = {}); utils.mergeClone(this._update, source._update); } if (source._distinct) { this._distinct = source._distinct; } utils.merge(this._mongooseOptions, source._mongooseOptions); return this; } else if (this.model != null && source instanceof this.model.base.Types.ObjectId) { utils.merge(this._conditions, { _id: source }, opts); return this; } // plain object utils.merge(this._conditions, source, opts); return this;};
/** * Adds a collation to this op (MongoDB 3.4 and up) * * @param {Object} value * @return {Query} this * @see MongoDB docs https://docs.mongodb.com/manual/reference/method/cursor.collation/#cursor.collation * @api public */Query.prototype.collation = function(value) { if (this.options == null) { this.options = {}; } this.options.collation = value; return this;};
/** * Hydrate a single doc from `findOne()`, `findOneAndUpdate()`, etc. * * @api private */Query.prototype._completeOne = function(doc, res, callback) { if (!doc && !this.options.rawResult) { return callback(null, null); } const model = this.model; const projection = utils.clone(this._fields); const userProvidedFields = this._userProvidedFields || {}; // `populate`, `lean` const mongooseOptions = this._mongooseOptions; // `rawResult` const options = this.options; if (!options.lean && mongooseOptions.lean) { options.lean = mongooseOptions.lean; } if (options.explain) { return callback(null, doc); } if (!mongooseOptions.populate) { const versionKey = this.schema.options.versionKey; if (mongooseOptions.lean && mongooseOptions.lean.versionKey === false && versionKey) { if (versionKey in doc) { delete doc[versionKey]; } } return mongooseOptions.lean ? _completeOneLean(model.schema, doc, null, res, options, callback) : completeOne(model, doc, res, options, projection, userProvidedFields, null, callback); } const pop = helpers.preparePopulationOptionsMQ(this, this._mongooseOptions); if (mongooseOptions.lean) { return model.populate(doc, pop, (err, doc) => { if (err != null) { return callback(err); } _completeOneLean(model.schema, doc, null, res, options, callback); }); } completeOne(model, doc, res, options, projection, userProvidedFields, [], (err, doc) => { if (err != null) { return callback(err); } model.populate(doc, pop, callback); });};
/** * Thunk around findOne() * * @param {Function} [callback] * @see findOne https://docs.mongodb.org/manual/reference/method/db.collection.findOne/ * @api private */Query.prototype._findOne = wrapThunk(function(callback) { this._castConditions(); if (this.error()) { callback(this.error()); return null; } this._applyPaths(); this._fields = this._castFields(this._fields); applyGlobalMaxTimeMS(this.options, this.model); applyGlobalDiskUse(this.options, this.model); // don't pass in the conditions because we already merged them in Query.base.findOne.call(this, {}, (err, doc) => { if (err) { callback(err); return null; } this._completeOne(doc, null, _wrapThunkCallback(this, callback)); });});
/** * Declares the query a findOne operation. When executed, the first found document is passed to the callback. * * Passing a `callback` executes the query. The result of the query is a single document. * * * *Note:* `conditions` is optional, and if `conditions` is null or undefined, * mongoose will send an empty `findOne` command to MongoDB, which will return * an arbitrary document. If you're querying by `_id`, use `Model.findById()` * instead. * * This function triggers the following middleware. * * - `findOne()` * * #### Example: * * const query = Kitten.where({ color: 'white' }); * query.findOne(function (err, kitten) { * if (err) return handleError(err); * if (kitten) { * // doc may be null if no document matched * } * }); * * @param {Object} [filter] mongodb selector * @param {Object} [projection] optional fields to return * @param {Object} [options] see [`setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions) * @param {Function} [callback] optional params are (error, document) * @return {Query} this * @see findOne https://docs.mongodb.org/manual/reference/method/db.collection.findOne/ * @see Query.select #query_Query-select * @api public */Query.prototype.findOne = function(conditions, projection, options, callback) { this.op = 'findOne'; this._validateOp(); if (typeof conditions === 'function') { callback = conditions; conditions = null; projection = null; options = null; } else if (typeof projection === 'function') { callback = projection; options = null; projection = null; } else if (typeof options === 'function') { callback = options; options = null; } // make sure we don't send in the whole Document to merge() conditions = utils.toObject(conditions); if (options) { this.setOptions(options); } if (projection) { this.select(projection); } if (mquery.canMerge(conditions)) { this.merge(conditions); prepareDiscriminatorCriteria(this); } else if (conditions != null) { this.error(new ObjectParameterError(conditions, 'filter', 'findOne')); } if (!callback) { // already merged in the conditions, don't need to send them in. return Query.base.findOne.call(this); } this.exec(callback); return this;};
/** * Thunk around count() * * @param {Function} [callback] * @see count https://docs.mongodb.org/manual/reference/method/db.collection.count/ * @api private */Query.prototype._count = wrapThunk(function(callback) { try { this.cast(this.model); } catch (err) { this.error(err); } if (this.error()) { return callback(this.error()); } applyGlobalMaxTimeMS(this.options, this.model); applyGlobalDiskUse(this.options, this.model); const conds = this._conditions; const options = this._optionsForExec(); this._collection.count(conds, options, utils.tick(callback));});
/** * Thunk around countDocuments() * * @param {Function} [callback] * @see countDocuments https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments * @api private */Query.prototype._countDocuments = wrapThunk(function(callback) { try { this.cast(this.model); } catch (err) { this.error(err); } if (this.error()) { return callback(this.error()); } applyGlobalMaxTimeMS(this.options, this.model); applyGlobalDiskUse(this.options, this.model); const conds = this._conditions; const options = this._optionsForExec(); this._collection.collection.countDocuments(conds, options, utils.tick(callback));});
/** * Thunk around estimatedDocumentCount() * * @param {Function} [callback] * @see estimatedDocumentCount https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#estimatedDocumentCount * @api private */Query.prototype._estimatedDocumentCount = wrapThunk(function(callback) { if (this.error()) { return callback(this.error()); } const options = this._optionsForExec(); this._collection.collection.estimatedDocumentCount(options, utils.tick(callback));});
/** * Specifies this query as a `count` query. * * This method is deprecated. If you want to count the number of documents in * a collection, e.g. `count({})`, use the [`estimatedDocumentCount()` function](/docs/api.html#query_Query-estimatedDocumentCount) * instead. Otherwise, use the [`countDocuments()`](/docs/api.html#query_Query-countDocuments) function instead. * * Passing a `callback` executes the query. * * This function triggers the following middleware. * * - `count()` * * #### Example: * * const countQuery = model.where({ 'color': 'black' }).count(); * * query.count({ color: 'black' }).count(callback) * * query.count({ color: 'black' }, callback) * * query.where('color', 'black').count(function (err, count) { * if (err) return handleError(err); * console.log('there are %d kittens', count); * }) * * @deprecated * @param {Object} [filter] count documents that match this object * @param {Function} [callback] optional params are (error, count) * @return {Query} this * @see count https://docs.mongodb.org/manual/reference/method/db.collection.count/ * @api public */Query.prototype.count = function(filter, callback) { this.op = 'count'; this._validateOp(); if (typeof filter === 'function') { callback = filter; filter = undefined; } filter = utils.toObject(filter); if (mquery.canMerge(filter)) { this.merge(filter); } if (!callback) { return this; } this.exec(callback); return this;};
/** * Specifies this query as a `estimatedDocumentCount()` query. Faster than * using `countDocuments()` for large collections because * `estimatedDocumentCount()` uses collection metadata rather than scanning * the entire collection. * * `estimatedDocumentCount()` does **not** accept a filter. `Model.find({ foo: bar }).estimatedDocumentCount()` * is equivalent to `Model.find().estimatedDocumentCount()` * * This function triggers the following middleware. * * - `estimatedDocumentCount()` * * #### Example: * * await Model.find().estimatedDocumentCount(); * * @param {Object} [options] passed transparently to the [MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/EstimatedDocumentCountOptions.html) * @param {Function} [callback] optional params are (error, count) * @return {Query} this * @see estimatedDocumentCount https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#estimatedDocumentCount * @api public */Query.prototype.estimatedDocumentCount = function(options, callback) { this.op = 'estimatedDocumentCount'; this._validateOp(); if (typeof options === 'function') { callback = options; options = undefined; } if (typeof options === 'object' && options != null) { this.setOptions(options); } if (!callback) { return this; } this.exec(callback); return this;};
/** * Specifies this query as a `countDocuments()` query. Behaves like `count()`, * except it always does a full collection scan when passed an empty filter `{}`. * * There are also minor differences in how `countDocuments()` handles * [`$where` and a couple geospatial operators](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments). * versus `count()`. * * Passing a `callback` executes the query. * * This function triggers the following middleware. * * - `countDocuments()` * * #### Example: * * const countQuery = model.where({ 'color': 'black' }).countDocuments(); * * query.countDocuments({ color: 'black' }).count(callback); * * query.countDocuments({ color: 'black' }, callback); * * query.where('color', 'black').countDocuments(function(err, count) { * if (err) return handleError(err); * console.log('there are %d kittens', count); * }); * * The `countDocuments()` function is similar to `count()`, but there are a * [few operators that `countDocuments()` does not support](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments). * Below are the operators that `count()` supports but `countDocuments()` does not, * and the suggested replacement: * * - `$where`: [`$expr`](https://docs.mongodb.com/manual/reference/operator/query/expr/) * - `$near`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$center`](https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center) * - `$nearSphere`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$centerSphere`](https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere) * * @param {Object} [filter] mongodb selector * @param {Object} [options] * @param {Function} [callback] optional params are (error, count) * @return {Query} this * @see countDocuments https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments * @api public */Query.prototype.countDocuments = function(conditions, options, callback) { this.op = 'countDocuments'; this._validateOp(); if (typeof conditions === 'function') { callback = conditions; conditions = undefined; options = undefined; } if (typeof options === 'function') { callback = options; options = undefined; } conditions = utils.toObject(conditions); if (mquery.canMerge(conditions)) { this.merge(conditions); } if (typeof options === 'object' && options != null) { this.setOptions(options); } if (!callback) { return this; } this.exec(callback); return this;};
/** * Thunk around distinct() * * @param {Function} [callback] * @see distinct https://docs.mongodb.org/manual/reference/method/db.collection.distinct/ * @api private */Query.prototype.__distinct = wrapThunk(function __distinct(callback) { this._castConditions(); if (this.error()) { callback(this.error()); return null; } applyGlobalMaxTimeMS(this.options, this.model); applyGlobalDiskUse(this.options, this.model); const options = this._optionsForExec(); // don't pass in the conditions because we already merged them in this._collection.collection. distinct(this._distinct, this._conditions, options, callback);});
/** * Declares or executes a distinct() operation. * * Passing a `callback` executes the query. * * This function does not trigger any middleware. * * #### Example: * * distinct(field, conditions, callback) * distinct(field, conditions) * distinct(field, callback) * distinct(field) * distinct(callback) * distinct() * * @param {String} [field] * @param {Object|Query} [filter] * @param {Function} [callback] optional params are (error, arr) * @return {Query} this * @see distinct https://docs.mongodb.org/manual/reference/method/db.collection.distinct/ * @api public */Query.prototype.distinct = function(field, conditions, callback) { this.op = 'distinct'; this._validateOp(); if (!callback) { if (typeof conditions === 'function') { callback = conditions; conditions = undefined; } else if (typeof field === 'function') { callback = field; field = undefined; conditions = undefined; } } conditions = utils.toObject(conditions); if (mquery.canMerge(conditions)) { this.merge(conditions); prepareDiscriminatorCriteria(this); } else if (conditions != null) { this.error(new ObjectParameterError(conditions, 'filter', 'distinct')); } if (field != null) { this._distinct = field; } if (callback != null) { this.exec(callback); } return this;};
/** * Sets the sort order * * If an object is passed, values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`. * * If a string is passed, it must be a space delimited list of path names. The * sort order of each path is ascending unless the path name is prefixed with `-` * which will be treated as descending. * * #### Example: * * // sort by "field" ascending and "test" descending * query.sort({ field: 'asc', test: -1 }); * * // equivalent * query.sort('field -test'); * * // also possible is to use a array with array key-value pairs * query.sort([['field', 'asc']]); * * #### Note: * * Cannot be used with `distinct()` * * @param {Object|String|Array<Array<(string | number)>>} arg * @return {Query} this * @see cursor.sort https://docs.mongodb.org/manual/reference/method/cursor.sort/ * @api public */Query.prototype.sort = function(arg) { if (arguments.length > 1) { throw new Error('sort() only takes 1 Argument'); } return Query.base.sort.call(this, arg);};
/** * Declare and/or execute this query as a remove() operation. `remove()` is * deprecated, you should use [`deleteOne()`](#query_Query-deleteOne) * or [`deleteMany()`](#query_Query-deleteMany) instead. * * This function does not trigger any middleware * * #### Example: * * Character.remove({ name: /Stark/ }, callback); * * This function calls the MongoDB driver's [`Collection#remove()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#remove). * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an * object that contains 3 properties: * * - `ok`: `1` if no errors occurred * - `deletedCount`: the number of documents deleted * - `n`: the number of documents deleted. Equal to `deletedCount`. * * #### Example: * * const res = await Character.remove({ name: /Stark/ }); * // Number of docs deleted * res.deletedCount; * * #### Note: * * Calling `remove()` creates a [Mongoose query](./queries.html), and a query * does not execute until you either pass a callback, call [`Query#then()`](#query_Query-then), * or call [`Query#exec()`](#query_Query-exec). * * // not executed * const query = Character.remove({ name: /Stark/ }); * * // executed * Character.remove({ name: /Stark/ }, callback); * Character.remove({ name: /Stark/ }).remove(callback); * * // executed without a callback * Character.exec(); * * @param {Object|Query} [filter] mongodb selector * @param {Function} [callback] optional params are (error, mongooseDeleteResult) * @return {Query} this * @deprecated * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html * @see remove https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#remove * @api public */Query.prototype.remove = function(filter, callback) { this.op = 'remove'; if (typeof filter === 'function') { callback = filter; filter = null; } filter = utils.toObject(filter); if (mquery.canMerge(filter)) { this.merge(filter); prepareDiscriminatorCriteria(this); } else if (filter != null) { this.error(new ObjectParameterError(filter, 'filter', 'remove')); } if (!callback) { return Query.base.remove.call(this); } this.exec(callback); return this;};
/** * ignore * @param {Function} callback * @method _remove * @memberOf Query * @instance * @api private */Query.prototype._remove = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return this; } callback = _wrapThunkCallback(this, callback); return Query.base.remove.call(this, callback);});
/** * Declare and/or execute this query as a `deleteOne()` operation. Works like * remove, except it deletes at most one document regardless of the `single` * option. * * This function triggers `deleteOne` middleware. * * #### Example: * * await Character.deleteOne({ name: 'Eddard Stark' }); * * // Using callbacks: * Character.deleteOne({ name: 'Eddard Stark' }, callback); * * This function calls the MongoDB driver's [`Collection#deleteOne()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteOne). * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an * object that contains 3 properties: * * - `ok`: `1` if no errors occurred * - `deletedCount`: the number of documents deleted * - `n`: the number of documents deleted. Equal to `deletedCount`. * * #### Example: * * const res = await Character.deleteOne({ name: 'Eddard Stark' }); * // `1` if MongoDB deleted a doc, `0` if no docs matched the filter `{ name: ... }` * res.deletedCount; * * @param {Object|Query} [filter] mongodb selector * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions) * @param {Function} [callback] optional params are (error, mongooseDeleteResult) * @return {Query} this * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html * @see deleteOne https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteOne * @api public */Query.prototype.deleteOne = function(filter, options, callback) { this.op = 'deleteOne'; if (typeof filter === 'function') { callback = filter; filter = null; options = null; } else if (typeof options === 'function') { callback = options; options = null; } else { this.setOptions(options); } filter = utils.toObject(filter); if (mquery.canMerge(filter)) { this.merge(filter); prepareDiscriminatorCriteria(this); } else if (filter != null) { this.error(new ObjectParameterError(filter, 'filter', 'deleteOne')); } if (!callback) { return Query.base.deleteOne.call(this); } this.exec.call(this, callback); return this;};
/** * Internal thunk for `deleteOne()` * @param {Function} callback * @method _deleteOne * @instance * @memberOf Query * @api private */Query.prototype._deleteOne = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return this; } callback = _wrapThunkCallback(this, callback); return Query.base.deleteOne.call(this, callback);});
/** * Declare and/or execute this query as a `deleteMany()` operation. Works like * remove, except it deletes _every_ document that matches `filter` in the * collection, regardless of the value of `single`. * * This function triggers `deleteMany` middleware. * * #### Example: * * await Character.deleteMany({ name: /Stark/, age: { $gte: 18 } }); * * // Using callbacks: * Character.deleteMany({ name: /Stark/, age: { $gte: 18 } }, callback); * * This function calls the MongoDB driver's [`Collection#deleteMany()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteMany). * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an * object that contains 3 properties: * * - `ok`: `1` if no errors occurred * - `deletedCount`: the number of documents deleted * - `n`: the number of documents deleted. Equal to `deletedCount`. * * #### Example: * * const res = await Character.deleteMany({ name: /Stark/, age: { $gte: 18 } }); * // `0` if no docs matched the filter, number of docs deleted otherwise * res.deletedCount; * * @param {Object|Query} [filter] mongodb selector * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions) * @param {Function} [callback] optional params are (error, mongooseDeleteResult) * @return {Query} this * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html * @see deleteMany https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteMany * @api public */Query.prototype.deleteMany = function(filter, options, callback) { this.op = 'deleteMany'; if (typeof filter === 'function') { callback = filter; filter = null; options = null; } else if (typeof options === 'function') { callback = options; options = null; } else { this.setOptions(options); } filter = utils.toObject(filter); if (mquery.canMerge(filter)) { this.merge(filter); prepareDiscriminatorCriteria(this); } else if (filter != null) { this.error(new ObjectParameterError(filter, 'filter', 'deleteMany')); } if (!callback) { return Query.base.deleteMany.call(this); } this.exec.call(this, callback); return this;};
/** * Internal thunk around `deleteMany()` * @param {Function} callback * @method _deleteMany * @instance * @memberOf Query * @api private */Query.prototype._deleteMany = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return this; } callback = _wrapThunkCallback(this, callback); return Query.base.deleteMany.call(this, callback);});
/** * hydrates a document * * @param {Model} model * @param {Document} doc * @param {Object} res 3rd parameter to callback * @param {Object} fields * @param {Query} self * @param {Array} [pop] array of paths used in population * @param {Function} callback * @api private */function completeOne(model, doc, res, options, fields, userProvidedFields, pop, callback) { if (options.rawResult && doc == null) { _init(null); return null; } helpers.createModelAndInit(model, doc, fields, userProvidedFields, options, pop, _init); function _init(err, casted) { if (err) { return immediate(() => callback(err)); }
if (options.rawResult) { if (doc && casted) { if (options.session != null) { casted.$session(options.session); } res.value = casted; } else { res.value = null; } return immediate(() => callback(null, res)); } if (options.session != null) { casted.$session(options.session); } immediate(() => callback(null, casted)); }}
/** * If the model is a discriminator type and not root, then add the key & value to the criteria. * @param {Query} query * @api private */function prepareDiscriminatorCriteria(query) { if (!query || !query.model || !query.model.schema) { return; } const schema = query.model.schema; if (schema && schema.discriminatorMapping && !schema.discriminatorMapping.isRoot) { query._conditions[schema.discriminatorMapping.key] = schema.discriminatorMapping.value; }}
/** * Issues a mongodb [findAndModify](https://www.mongodb.org/display/DOCS/findAndModify+Command) update command. * * Finds a matching document, updates it according to the `update` arg, passing any `options`, and returns the found * document (if any) to the callback. The query executes if * `callback` is passed. * * This function triggers the following middleware. * * - `findOneAndUpdate()` * * #### Available options * * - `new`: bool - if true, return the modified document rather than the original. defaults to false (changed in 4.0) * - `upsert`: bool - creates the object if it doesn't exist. defaults to false. * - `fields`: {Object|String} - Field selection. Equivalent to `.select(fields).findOneAndUpdate()` * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0 * - `runValidators`: if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema. * - `setDefaultsOnInsert`: `true` by default. If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created. * - `rawResult`: if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * * #### Callback Signature * * function(error, doc) { * // error: any errors that occurred * // doc: the document before updates are applied if `new: false`, or after updates if `new = true` * } * * #### Example: * * query.findOneAndUpdate(conditions, update, options, callback) // executes * query.findOneAndUpdate(conditions, update, options) // returns Query * query.findOneAndUpdate(conditions, update, callback) // executes * query.findOneAndUpdate(conditions, update) // returns Query * query.findOneAndUpdate(update, callback) // returns Query * query.findOneAndUpdate(update) // returns Query * query.findOneAndUpdate(callback) // executes * query.findOneAndUpdate() // returns Query * * @method findOneAndUpdate * @memberOf Query * @instance * @param {Object|Query} [filter] * @param {Object} [doc] * @param {Object} [options] * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors. * @param {Boolean} [options.new=false] By default, `findOneAndUpdate()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndUpdate()` will instead give you the object after `update` was applied. * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html). * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set. * @param {Boolean} [options.returnOriginal=null] An alias for the `new` option. `returnOriginal: false` is equivalent to `new: true`. * @param {Function} [callback] optional params are (error, doc), _unless_ `rawResult` is used, in which case params are (error, writeOpResult) * @see Tutorial /docs/tutorials/findoneandupdate.html * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/ * @see ModifyResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html * @see findOneAndUpdate https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#findOneAndUpdate * @return {Query} this * @api public */Query.prototype.findOneAndUpdate = function(criteria, doc, options, callback) { this.op = 'findOneAndUpdate'; this._validateOp(); this._validate(); switch (arguments.length) { case 3: if (typeof options === 'function') { callback = options; options = {}; } break; case 2: if (typeof doc === 'function') { callback = doc; doc = criteria; criteria = undefined; } options = undefined; break; case 1: if (typeof criteria === 'function') { callback = criteria; criteria = options = doc = undefined; } else { doc = criteria; criteria = options = undefined; } } if (mquery.canMerge(criteria)) { this.merge(criteria); } // apply doc if (doc) { this._mergeUpdate(doc); } options = options ? utils.clone(options) : {}; if (options.projection) { this.select(options.projection); delete options.projection; } if (options.fields) { this.select(options.fields); delete options.fields; } const returnOriginal = this && this.model && this.model.base && this.model.base.options && this.model.base.options.returnOriginal; if (options.new == null && options.returnDocument == null && options.returnOriginal == null && returnOriginal != null) { options.returnOriginal = returnOriginal; } this.setOptions(options); if (!callback) { return this; } this.exec(callback); return this;};
/** * Thunk around findOneAndUpdate() * * @param {Function} [callback] * @method _findOneAndUpdate * @memberOf Query * @api private */Query.prototype._findOneAndUpdate = wrapThunk(function(callback) { if (this.error() != null) { return callback(this.error()); } this._findAndModify('update', callback);});
/** * Issues a mongodb [findAndModify](https://www.mongodb.org/display/DOCS/findAndModify+Command) remove command. * * Finds a matching document, removes it, passing the found document (if any) to * the callback. Executes if `callback` is passed. * * This function triggers the following middleware. * * - `findOneAndRemove()` * * #### Available options * * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0 * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * * #### Callback Signature * * function(error, doc) { * // error: any errors that occurred * // doc: the document before updates are applied if `new: false`, or after updates if `new = true` * } * * #### Example: * * A.where().findOneAndRemove(conditions, options, callback) // executes * A.where().findOneAndRemove(conditions, options) // return Query * A.where().findOneAndRemove(conditions, callback) // executes * A.where().findOneAndRemove(conditions) // returns Query * A.where().findOneAndRemove(callback) // executes * A.where().findOneAndRemove() // returns Query * * @method findOneAndRemove * @memberOf Query * @instance * @param {Object} [conditions] * @param {Object} [options] * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Function} [callback] optional params are (error, document) * @return {Query} this * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/ * @api public */Query.prototype.findOneAndRemove = function(conditions, options, callback) { this.op = 'findOneAndRemove'; this._validateOp(); this._validate(); switch (arguments.length) { case 2: if (typeof options === 'function') { callback = options; options = {}; } break; case 1: if (typeof conditions === 'function') { callback = conditions; conditions = undefined; options = undefined; } break; } if (mquery.canMerge(conditions)) { this.merge(conditions); } options && this.setOptions(options); if (!callback) { return this; } this.exec(callback); return this;};
/** * Issues a MongoDB [findOneAndDelete](https://docs.mongodb.com/manual/reference/method/db.collection.findOneAndDelete/) command. * * Finds a matching document, removes it, and passes the found document (if any) * to the callback. Executes if `callback` is passed. * * This function triggers the following middleware. * * - `findOneAndDelete()` * * This function differs slightly from `Model.findOneAndRemove()` in that * `findOneAndRemove()` becomes a [MongoDB `findAndModify()` command](https://docs.mongodb.com/manual/reference/method/db.collection.findAndModify/), * as opposed to a `findOneAndDelete()` command. For most mongoose use cases, * this distinction is purely pedantic. You should use `findOneAndDelete()` * unless you have a good reason not to. * * #### Available options * * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0 * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * * #### Callback Signature * * function(error, doc) { * // error: any errors that occurred * // doc: the document before updates are applied if `new: false`, or after updates if `new = true` * } * * #### Example: * * A.where().findOneAndDelete(conditions, options, callback) // executes * A.where().findOneAndDelete(conditions, options) // return Query * A.where().findOneAndDelete(conditions, callback) // executes * A.where().findOneAndDelete(conditions) // returns Query * A.where().findOneAndDelete(callback) // executes * A.where().findOneAndDelete() // returns Query * * @method findOneAndDelete * @memberOf Query * @param {Object} [conditions] * @param {Object} [options] * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Function} [callback] optional params are (error, document) * @return {Query} this * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/ * @api public */Query.prototype.findOneAndDelete = function(conditions, options, callback) { this.op = 'findOneAndDelete'; this._validateOp(); this._validate(); switch (arguments.length) { case 2: if (typeof options === 'function') { callback = options; options = {}; } break; case 1: if (typeof conditions === 'function') { callback = conditions; conditions = undefined; options = undefined; } break; } if (mquery.canMerge(conditions)) { this.merge(conditions); } options && this.setOptions(options); if (!callback) { return this; } this.exec(callback); return this;};
/** * Thunk around findOneAndDelete() * * @param {Function} [callback] * @return {Query} this * @method _findOneAndDelete * @memberOf Query * @api private */Query.prototype._findOneAndDelete = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return null; } const filter = this._conditions; const options = this._optionsForExec(); let fields = null; if (this._fields != null) { options.projection = this._castFields(utils.clone(this._fields)); fields = options.projection; if (fields instanceof Error) { callback(fields); return null; } } this._collection.collection.findOneAndDelete(filter, options, _wrapThunkCallback(this, (err, res) => { if (err) { return callback(err); } const doc = res.value; return this._completeOne(doc, res, callback); }));});
/** * Issues a MongoDB [findOneAndReplace](https://docs.mongodb.com/manual/reference/method/db.collection.findOneAndReplace/) command. * * Finds a matching document, removes it, and passes the found document (if any) * to the callback. Executes if `callback` is passed. * * This function triggers the following middleware. * * - `findOneAndReplace()` * * #### Available options * * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0 * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * * #### Callback Signature * * function(error, doc) { * // error: any errors that occurred * // doc: the document before updates are applied if `new: false`, or after updates if `new = true` * } * * #### Example: * * A.where().findOneAndReplace(filter, replacement, options, callback); // executes * A.where().findOneAndReplace(filter, replacement, options); // return Query * A.where().findOneAndReplace(filter, replacement, callback); // executes * A.where().findOneAndReplace(filter); // returns Query * A.where().findOneAndReplace(callback); // executes * A.where().findOneAndReplace(); // returns Query * * @method findOneAndReplace * @memberOf Query * @param {Object} [filter] * @param {Object} [replacement] * @param {Object} [options] * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html) * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.new=false] By default, `findOneAndUpdate()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndUpdate()` will instead give you the object after `update` was applied. * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html). * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html). * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set. * @param {Boolean} [options.returnOriginal=null] An alias for the `new` option. `returnOriginal: false` is equivalent to `new: true`. * @param {Function} [callback] optional params are (error, document) * @return {Query} this * @api public */Query.prototype.findOneAndReplace = function(filter, replacement, options, callback) { this.op = 'findOneAndReplace'; this._validateOp(); this._validate(); switch (arguments.length) { case 3: if (typeof options === 'function') { callback = options; options = void 0; } break; case 2: if (typeof replacement === 'function') { callback = replacement; replacement = void 0; } break; case 1: if (typeof filter === 'function') { callback = filter; filter = void 0; replacement = void 0; options = void 0; } break; } if (mquery.canMerge(filter)) { this.merge(filter); } if (replacement != null) { if (hasDollarKeys(replacement)) { throw new Error('The replacement document must not contain atomic operators.'); } this._mergeUpdate(replacement); } options = options || {}; const returnOriginal = this && this.model && this.model.base && this.model.base.options && this.model.base.options.returnOriginal; if (options.new == null && options.returnDocument == null && options.returnOriginal == null && returnOriginal != null) { options.returnOriginal = returnOriginal; } this.setOptions(options); this.setOptions({ overwrite: true }); if (!callback) { return this; } this.exec(callback); return this;};
/** * Thunk around findOneAndReplace() * * @param {Function} [callback] * @return {Query} this * @method _findOneAndReplace * @instance * @memberOf Query * @api private */Query.prototype._findOneAndReplace = wrapThunk(function(callback) { this._castConditions(); if (this.error() != null) { callback(this.error()); return null; } const filter = this._conditions; const options = this._optionsForExec(); convertNewToReturnDocument(options); let fields = null; this._applyPaths(); if (this._fields != null) { options.projection = this._castFields(utils.clone(this._fields)); fields = options.projection; if (fields instanceof Error) { callback(fields); return null; } } const runValidators = _getOption(this, 'runValidators', false); if (runValidators === false) { try { this._update = this._castUpdate(this._update, true); } catch (err) { const validationError = new ValidationError(); validationError.errors[err.path] = err; callback(validationError); return null; } this._collection.collection.findOneAndReplace(filter, this._update || {}, options, _wrapThunkCallback(this, (err, res) => { if (err) { return callback(err); } const doc = res.value; return this._completeOne(doc, res, callback); })); return; }
let castedDoc = new this.model(this._update, null, true); this._update = castedDoc; castedDoc.validate(err => { if (err != null) { return callback(err); } if (castedDoc.toBSON) { castedDoc = castedDoc.toBSON(); } this._collection.collection.findOneAndReplace(filter, castedDoc, options, _wrapThunkCallback(this, (err, res) => { if (err) { return callback(err); } const doc = res.value; return this._completeOne(doc, res, callback); })); });});
/** * Support the `new` option as an alternative to `returnOriginal` for backwards * compat. * @api private */function convertNewToReturnDocument(options) { if ('new' in options) { options.returnDocument = options['new'] ? 'after' : 'before'; delete options['new']; } if ('returnOriginal' in options) { options.returnDocument = options['returnOriginal'] ? 'before' : 'after'; delete options['returnOriginal']; } // Temporary since driver 4.0.0-beta does not support `returnDocument` if (typeof options.returnDocument === 'string') { options.returnOriginal = options.returnDocument === 'before'; }}
/** * Thunk around findOneAndRemove() * * @param {Function} [callback] * @return {Query} this * @method _findOneAndRemove * @memberOf Query * @instance * @api private */Query.prototype._findOneAndRemove = wrapThunk(function(callback) { if (this.error() != null) { callback(this.error()); return; } this._findAndModify('remove', callback);});
/** * Get options from query opts, falling back to the base mongoose object. * @param {Query} query * @param {Object} option * @param {Any} def * @api private */function _getOption(query, option, def) { const opts = query._optionsForExec(query.model); if (option in opts) { return opts[option]; } if (option in query.model.base.options) { return query.model.base.options[option]; } return def;}
/** * Override mquery.prototype._findAndModify to provide casting etc. * * @param {String} type either "remove" or "update" * @param {Function} callback * @method _findAndModify * @memberOf Query * @instance * @api private */Query.prototype._findAndModify = function(type, callback) { if (typeof callback !== 'function') { throw new Error('Expected callback in _findAndModify'); } const model = this.model; const schema = model.schema; const _this = this; let fields; const castedQuery = castQuery(this); if (castedQuery instanceof Error) { return callback(castedQuery); } _castArrayFilters(this); const opts = this._optionsForExec(model); if ('strict' in opts) { this._mongooseOptions.strict = opts.strict; } const isOverwriting = this.options.overwrite && !hasDollarKeys(this._update); if (isOverwriting) { this._update = new this.model(this._update, null, true); } if (type === 'remove') { opts.remove = true; } else { if (!('new' in opts) && !('returnOriginal' in opts) && !('returnDocument' in opts)) { opts.new = false; } if (!('upsert' in opts)) { opts.upsert = false; } if (opts.upsert || opts['new']) { opts.remove = false; } if (!isOverwriting) { try { this._update = this._castUpdate(this._update, opts.overwrite); } catch (err) { return callback(err); } const _opts = Object.assign({}, opts, { setDefaultsOnInsert: this._mongooseOptions.setDefaultsOnInsert }); this._update = setDefaultsOnInsert(this._conditions, schema, this._update, _opts); if (!this._update || Object.keys(this._update).length === 0) { if (opts.upsert) { // still need to do the upsert to empty doc const doc = utils.clone(castedQuery); delete doc._id; this._update = { $set: doc }; } else { this._executionStack = null; this.findOne(callback); return this; } } else if (this._update instanceof Error) { return callback(this._update); } else { // In order to make MongoDB 2.6 happy (see // https://jira.mongodb.org/browse/SERVER-12266 and related issues) // if we have an actual update document but $set is empty, junk the $set. if (this._update.$set && Object.keys(this._update.$set).length === 0) { delete this._update.$set; } } } if (Array.isArray(opts.arrayFilters)) { opts.arrayFilters = removeUnusedArrayFilters(this._update, opts.arrayFilters); } } this._applyPaths(); if (this._fields) { fields = utils.clone(this._fields); opts.projection = this._castFields(fields); if (opts.projection instanceof Error) { return callback(opts.projection); } } if (opts.sort) convertSortToArray(opts); const cb = function(err, doc, res) { if (err) { return callback(err); } _this._completeOne(doc, res, callback); }; const runValidators = _getOption(this, 'runValidators', false); // Bypass mquery const collection = _this._collection.collection; convertNewToReturnDocument(opts); if (type === 'remove') { collection.findOneAndDelete(castedQuery, opts, _wrapThunkCallback(_this, function(error, res) { return cb(error, res ? res.value : res, res); })); return this; } // honors legacy overwrite option for backward compatibility const updateMethod = isOverwriting ? 'findOneAndReplace' : 'findOneAndUpdate'; if (runValidators) { this.validate(this._update, opts, isOverwriting, error => { if (error) { return callback(error); } if (this._update && this._update.toBSON) { this._update = this._update.toBSON(); } collection[updateMethod](castedQuery, this._update, opts, _wrapThunkCallback(_this, function(error, res) { return cb(error, res ? res.value : res, res); })); }); } else { if (this._update && this._update.toBSON) { this._update = this._update.toBSON(); } collection[updateMethod](castedQuery, this._update, opts, _wrapThunkCallback(_this, function(error, res) { return cb(error, res ? res.value : res, res); })); } return this;};
/*! * ignore */function _completeOneLean(schema, doc, path, res, opts, callback) { if (opts.lean && typeof opts.lean.transform === 'function') { opts.lean.transform(doc); for (let i = 0; i < schema.childSchemas.length; i++) { const childPath = path ? path + '.' + schema.childSchemas[i].model.path : schema.childSchemas[i].model.path; const _schema = schema.childSchemas[i].schema; const obj = mpath.get(childPath, doc); if (obj == null) { continue; } if (Array.isArray(obj)) { for (let i = 0; i < obj.length; i++) { opts.lean.transform(obj[i]); } } else { opts.lean.transform(obj); } _completeOneLean(_schema, obj, childPath, res, opts); } if (callback) { return callback(null, doc); } else { return; } } if (opts.rawResult) { return callback(null, res); } return callback(null, doc);}
/*! * ignore */function _completeManyLean(schema, docs, path, opts, callback) { if (opts.lean && typeof opts.lean.transform === 'function') { for (const doc of docs) { opts.lean.transform(doc); } for (let i = 0; i < schema.childSchemas.length; i++) { const childPath = path ? path + '.' + schema.childSchemas[i].model.path : schema.childSchemas[i].model.path; const _schema = schema.childSchemas[i].schema; let doc = mpath.get(childPath, docs); if (doc == null) { continue; } doc = doc.flat(); for (let i = 0; i < doc.length; i++) { opts.lean.transform(doc[i]); } _completeManyLean(_schema, doc, childPath, opts); } } if (!callback) { return; } return callback(null, docs);}/** * Override mquery.prototype._mergeUpdate to handle mongoose objects in * updates. * * @param {Object} doc * @method _mergeUpdate * @memberOf Query * @instance * @api private */Query.prototype._mergeUpdate = function(doc) { if (doc == null || (typeof doc === 'object' && Object.keys(doc).length === 0)) { return; } if (!this._update) { this._update = Array.isArray(doc) ? [] : {}; } if (doc instanceof Query) { if (Array.isArray(this._update)) { throw new Error('Cannot mix array and object updates'); } if (doc._update) { utils.mergeClone(this._update, doc._update); } } else if (Array.isArray(doc)) { if (!Array.isArray(this._update)) { throw new Error('Cannot mix array and object updates'); } this._update = this._update.concat(doc); } else { if (Array.isArray(this._update)) { throw new Error('Cannot mix array and object updates'); } utils.mergeClone(this._update, doc); }};
/** * The mongodb driver 1.3.23 only supports the nested array sort * syntax. We must convert it or sorting findAndModify will not work. * @param {Object} opts * @param {Array|Object} opts.sort * @api private */function convertSortToArray(opts) { if (Array.isArray(opts.sort)) { return; } if (!utils.isObject(opts.sort)) { return; } const sort = []; for (const key in opts.sort) { if (utils.object.hasOwnProperty(opts.sort, key)) { sort.push([key, opts.sort[key]]); } } opts.sort = sort;}
/*! * ignore */function _updateThunk(op, callback) { this._castConditions(); _castArrayFilters(this); if (this.error() != null) { callback(this.error()); return null; } callback = _wrapThunkCallback(this, callback); const castedQuery = this._conditions; const options = this._optionsForExec(this.model); this._update = utils.clone(this._update, options); const isOverwriting = this.options.overwrite && !hasDollarKeys(this._update); if (isOverwriting) { if (op === 'updateOne' || op === 'updateMany') { return callback(new MongooseError('The MongoDB server disallows ' + 'overwriting documents using `' + op + '`. See: ' + 'https://mongoosejs.com/docs/deprecations.html#update')); } this._update = new this.model(this._update, null, true); } else { try { this._update = this._castUpdate(this._update, options.overwrite); } catch (err) { callback(err); return null; } if (this._update == null || Object.keys(this._update).length === 0) { callback(null, { acknowledged: false }); return null; } const _opts = Object.assign({}, options, { setDefaultsOnInsert: this._mongooseOptions.setDefaultsOnInsert }); this._update = setDefaultsOnInsert(this._conditions, this.model.schema, this._update, _opts); } if (Array.isArray(options.arrayFilters)) { options.arrayFilters = removeUnusedArrayFilters(this._update, options.arrayFilters); } const runValidators = _getOption(this, 'runValidators', false); if (runValidators) { this.validate(this._update, options, isOverwriting, err => { if (err) { return callback(err); } if (this._update.toBSON) { this._update = this._update.toBSON(); } this._collection[op](castedQuery, this._update, options, callback); }); return null; } if (this._update.toBSON) { this._update = this._update.toBSON(); } this._collection[op](castedQuery, this._update, options, callback); return null;}
/** * Mongoose calls this function internally to validate the query if * `runValidators` is set * * @param {Object} castedDoc the update, after casting * @param {Object} options the options from `_optionsForExec()` * @param {Boolean} isOverwriting * @param {Function} callback * @method validate * @memberOf Query * @instance * @api private */Query.prototype.validate = function validate(castedDoc, options, isOverwriting, callback) { return promiseOrCallback(callback, cb => { try { if (isOverwriting) { castedDoc.$validate(cb); } else { updateValidators(this, this.model.schema, castedDoc, options, cb); } } catch (err) { immediate(function() { cb(err); }); } });};
/** * Internal thunk for .update() * * @param {Function} callback * @see Model.update #model_Model-update * @method _execUpdate * @memberOf Query * @instance * @api private */Query.prototype._execUpdate = wrapThunk(function(callback) { return _updateThunk.call(this, 'update', callback);});
/** * Internal thunk for .updateMany() * * @param {Function} callback * @see Model.update #model_Model-update * @method _updateMany * @memberOf Query * @instance * @api private */Query.prototype._updateMany = wrapThunk(function(callback) { return _updateThunk.call(this, 'updateMany', callback);});
/** * Internal thunk for .updateOne() * * @param {Function} callback * @see Model.update #model_Model-update * @method _updateOne * @memberOf Query * @instance * @api private */Query.prototype._updateOne = wrapThunk(function(callback) { return _updateThunk.call(this, 'updateOne', callback);});
/** * Internal thunk for .replaceOne() * * @param {Function} callback * @see Model.replaceOne #model_Model-replaceOne * @method _replaceOne * @memberOf Query * @instance * @api private */Query.prototype._replaceOne = wrapThunk(function(callback) { return _updateThunk.call(this, 'replaceOne', callback);});
/** * Declare and/or execute this query as an update() operation. * * _All paths passed that are not [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operations will become `$set` ops._ * * This function triggers the following middleware. * * - `update()` * * #### Example: * * Model.where({ _id: id }).update({ title: 'words' }); * * // becomes * * Model.where({ _id: id }).update({ $set: { title: 'words' }}); * * #### Valid options: * * - `upsert` (boolean) whether to create the doc if it doesn't match (false) * - `multi` (boolean) whether multiple documents should be updated (false) * - `runValidators` (boolean) if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema. * - `setDefaultsOnInsert` (boolean) `true` by default. If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created. * - `strict` (boolean) overrides the `strict` option for this update * - `read` * - `writeConcern` * * #### Note: * * Passing an empty object `{}` as the doc will result in a no-op. The update operation will be ignored and the callback executed without sending the command to MongoDB. * * #### Note: * * The operation is only executed when a callback is passed. To force execution without a callback, we must first call update() and then execute it by using the `exec()` method. * * ```javascript * const q = Model.where({ _id: id }); * q.update({ $set: { name: 'bob' }}).update(); // not executed * * q.update({ $set: { name: 'bob' }}).exec(); // executed * * // keys that are not [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) ops become `$set`. * // this executes the same command as the previous example. * q.update({ name: 'bob' }).exec(); * * // multi updates * Model.where() * .update({ name: /^match/ }, { $set: { arr: [] }}, { multi: true }, callback) * * // more multi updates * Model.where() * .setOptions({ multi: true }) * .update({ $set: { arr: [] }}, callback) * * // single update by default * Model.where({ email: 'address@example.com' }) * .update({ $inc: { counter: 1 }}, callback) * ``` * * API summary * * ```javascript * update(filter, doc, options, cb); // executes * update(filter, doc, options); * update(filter, doc, cb); // executes * update(filter, doc); * update(doc, cb); // executes * update(doc); * update(cb); // executes * update(true); // executes * update(); * ``` * * @param {Object} [filter] * @param {Object} [doc] the update command * @param {Object} [options] * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors. * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set. * @param {Function} [callback] params are (error, writeOpResult) * @return {Query} this * @see Model.update #model_Model-update * @see Query docs https://mongoosejs.com/docs/queries.html * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output * @api public */Query.prototype.update = function(conditions, doc, options, callback) { if (typeof options === 'function') { // .update(conditions, doc, callback) callback = options; options = null; } else if (typeof doc === 'function') { // .update(doc, callback); callback = doc; doc = conditions; conditions = {}; options = null; } else if (typeof conditions === 'function') { // .update(callback) callback = conditions; conditions = undefined; doc = undefined; options = undefined; } else if (typeof conditions === 'object' && !doc && !options && !callback) { // .update(doc) doc = conditions; conditions = undefined; options = undefined; callback = undefined; } return _update(this, 'update', conditions, doc, options, callback);};
/** * Declare and/or execute this query as an updateMany() operation. Same as * `update()`, except MongoDB will update _all_ documents that match * `filter` (as opposed to just the first one) regardless of the value of * the `multi` option. * * **Note** updateMany will _not_ fire update middleware. Use `pre('updateMany')` * and `post('updateMany')` instead. * * #### Example: * * const res = await Person.updateMany({ name: /Stark$/ }, { isDeleted: true }); * res.n; // Number of documents matched * res.nModified; // Number of documents modified * * This function triggers the following middleware. * * - `updateMany()` * * @param {Object} [filter] * @param {Object|Array} [update] the update command * @param {Object} [options] * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors. * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set. * @param {Function} [callback] params are (error, writeOpResult) * @return {Query} this * @see Model.update #model_Model-update * @see Query docs https://mongoosejs.com/docs/queries.html * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output * @api public */Query.prototype.updateMany = function(conditions, doc, options, callback) { if (typeof options === 'function') { // .update(conditions, doc, callback) callback = options; options = null; } else if (typeof doc === 'function') { // .update(doc, callback); callback = doc; doc = conditions; conditions = {}; options = null; } else if (typeof conditions === 'function') { // .update(callback) callback = conditions; conditions = undefined; doc = undefined; options = undefined; } else if (typeof conditions === 'object' && !doc && !options && !callback) { // .update(doc) doc = conditions; conditions = undefined; options = undefined; callback = undefined; } return _update(this, 'updateMany', conditions, doc, options, callback);};
/** * Declare and/or execute this query as an updateOne() operation. Same as * `update()`, except it does not support the `multi` option. * * - MongoDB will update _only_ the first document that matches `filter` regardless of the value of the `multi` option. * - Use `replaceOne()` if you want to overwrite an entire document rather than using [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operators like `$set`. * * **Note** updateOne will _not_ fire update middleware. Use `pre('updateOne')` * and `post('updateOne')` instead. * * #### Example: * * const res = await Person.updateOne({ name: 'Jean-Luc Picard' }, { ship: 'USS Enterprise' }); * res.acknowledged; // Indicates if this write result was acknowledged. If not, then all other members of this result will be undefined. * res.matchedCount; // Number of documents that matched the filter * res.modifiedCount; // Number of documents that were modified * res.upsertedCount; // Number of documents that were upserted * res.upsertedId; // Identifier of the inserted document (if an upsert took place) * * This function triggers the following middleware. * * - `updateOne()` * * @param {Object} [filter] * @param {Object|Array} [update] the update command * @param {Object} [options] * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors. * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set. * @param {Function} [callback] params are (error, writeOpResult) * @return {Query} this * @see Model.update #model_Model-update * @see Query docs https://mongoosejs.com/docs/queries.html * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output * @api public */Query.prototype.updateOne = function(conditions, doc, options, callback) { if (typeof options === 'function') { // .update(conditions, doc, callback) callback = options; options = null; } else if (typeof doc === 'function') { // .update(doc, callback); callback = doc; doc = conditions; conditions = {}; options = null; } else if (typeof conditions === 'function') { // .update(callback) callback = conditions; conditions = undefined; doc = undefined; options = undefined; } else if (typeof conditions === 'object' && !doc && !options && !callback) { // .update(doc) doc = conditions; conditions = undefined; options = undefined; callback = undefined; } return _update(this, 'updateOne', conditions, doc, options, callback);};
/** * Declare and/or execute this query as a replaceOne() operation. Same as * `update()`, except MongoDB will replace the existing document and will * not accept any [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operators (`$set`, etc.) * * **Note** replaceOne will _not_ fire update middleware. Use `pre('replaceOne')` * and `post('replaceOne')` instead. * * #### Example: * * const res = await Person.replaceOne({ _id: 24601 }, { name: 'Jean Valjean' }); * res.acknowledged; // Indicates if this write result was acknowledged. If not, then all other members of this result will be undefined. * res.matchedCount; // Number of documents that matched the filter * res.modifiedCount; // Number of documents that were modified * res.upsertedCount; // Number of documents that were upserted * res.upsertedId; // Identifier of the inserted document (if an upsert took place) * * This function triggers the following middleware. * * - `replaceOne()` * * @param {Object} [filter] * @param {Object} [doc] the update command * @param {Object} [options] * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors. * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict) * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern) * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set. * @param {Function} [callback] params are (error, writeOpResult) * @return {Query} this * @see Model.update #model_Model-update * @see Query docs https://mongoosejs.com/docs/queries.html * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output * @api public */Query.prototype.replaceOne = function(conditions, doc, options, callback) { if (typeof options === 'function') { // .update(conditions, doc, callback) callback = options; options = null; } else if (typeof doc === 'function') { // .update(doc, callback); callback = doc; doc = conditions; conditions = {}; options = null; } else if (typeof conditions === 'function') { // .update(callback) callback = conditions; conditions = undefined; doc = undefined; options = undefined; } else if (typeof conditions === 'object' && !doc && !options && !callback) { // .update(doc) doc = conditions; conditions = undefined; options = undefined; callback = undefined; } this.setOptions({ overwrite: true }); return _update(this, 'replaceOne', conditions, doc, options, callback);};
/** * Internal helper for update, updateMany, updateOne, replaceOne * @param {Query} query * @param {String} op * @param {Object} filter * @param {Document} [doc] * @param {Object} [options] * @param {Function} callback * @api private */function _update(query, op, filter, doc, options, callback) { // make sure we don't send in the whole Document to merge() query.op = op; query._validateOp(); filter = utils.toObject(filter); doc = doc || {}; // strict is an option used in the update checking, make sure it gets set if (options != null) { if ('strict' in options) { query._mongooseOptions.strict = options.strict; } } if (!(filter instanceof Query) && filter != null && filter.toString() !== '[object Object]') { query.error(new ObjectParameterError(filter, 'filter', op)); } else { query.merge(filter); } if (utils.isObject(options)) { query.setOptions(options); } query._mergeUpdate(doc); // Hooks if (callback) { query.exec(callback); return query; } return Query.base[op].call(query, filter, void 0, options, callback);}
/** * Runs a function `fn` and treats the return value of `fn` as the new value * for the query to resolve to. * * Any functions you pass to `transform()` will run **after** any post hooks. * * #### Example: * * const res = await MyModel.findOne().transform(res => { * // Sets a `loadedAt` property on the doc that tells you the time the * // document was loaded. * return res == null ? * res : * Object.assign(res, { loadedAt: new Date() }); * }); * * @method transform * @memberOf Query * @instance * @param {Function} fn function to run to transform the query result * @return {Query} this */Query.prototype.transform = function(fn) { this._transforms.push(fn); return this;};
/** * Make this query throw an error if no documents match the given `filter`. * This is handy for integrating with async/await, because `orFail()` saves you * an extra `if` statement to check if no document was found. * * #### Example: * * // Throws if no doc returned * await Model.findOne({ foo: 'bar' }).orFail(); * * // Throws if no document was updated. Note that `orFail()` will still * // throw if the only document that matches is `{ foo: 'bar', name: 'test' }`, * // because `orFail()` will throw if no document was _updated_, not * // if no document was _found_. * await Model.updateOne({ foo: 'bar' }, { name: 'test' }).orFail(); * * // Throws "No docs found!" error if no docs match `{ foo: 'bar' }` * await Model.find({ foo: 'bar' }).orFail(new Error('No docs found!')); * * // Throws "Not found" error if no document was found * await Model.findOneAndUpdate({ foo: 'bar' }, { name: 'test' }). * orFail(() => Error('Not found')); * * @method orFail * @memberOf Query * @instance * @param {Function|Error} [err] optional error to throw if no docs match `filter`. If not specified, `orFail()` will throw a `DocumentNotFoundError` * @return {Query} this */Query.prototype.orFail = function(err) { this.transform(res => { switch (this.op) { case 'find': if (res.length === 0) { throw _orFailError(err, this); } break; case 'findOne': if (res == null) { throw _orFailError(err, this); } break; case 'replaceOne': case 'update': case 'updateMany': case 'updateOne': if (res && res.modifiedCount === 0) { throw _orFailError(err, this); } break; case 'findOneAndDelete': case 'findOneAndRemove': if ((res && res.lastErrorObject && res.lastErrorObject.n) === 0) { throw _orFailError(err, this); } break; case 'findOneAndUpdate': case 'findOneAndReplace': if ((res && res.lastErrorObject && res.lastErrorObject.updatedExisting) === false) { throw _orFailError(err, this); } break; case 'deleteMany': case 'deleteOne': case 'remove': if (res.deletedCount === 0) { throw _orFailError(err, this); } break; default: break; } return res; }); return this;};
/** * Get the error to throw for `orFail()` * @param {Error|undefined} err * @param {Query} query * @api private */function _orFailError(err, query) { if (typeof err === 'function') { err = err.call(query); } if (err == null) { err = new DocumentNotFoundError(query.getQuery(), query.model.modelName); } return err;}
/** * Executes the query * * #### Example: * * const promise = query.exec(); * const promise = query.exec('update'); * * query.exec(callback); * query.exec('find', callback); * * @param {String|Function} [operation] * @param {Function} [callback] optional params depend on the function being called * @return {Promise} * @api public */Query.prototype.exec = function exec(op, callback) { const _this = this; // Ensure that `exec()` is the first thing that shows up in // the stack when cast errors happen. const castError = new CastError(); if (typeof op === 'function') { callback = op; op = null; } else if (typeof op === 'string') { this.op = op; } if (this.op == null) { throw new Error('Query must have `op` before executing'); } this._validateOp(); callback = this.model.$handleCallbackError(callback); return promiseOrCallback(callback, (cb) => { cb = this.model.$wrapCallback(cb); if (!_this.op) { cb(); return; } this._hooks.execPre('exec', this, [], (error) => { if (error != null) { return cb(_cleanCastErrorStack(castError, error)); } let thunk = '_' + this.op; if (this.op === 'update') { thunk = '_execUpdate'; } else if (this.op === 'distinct') { thunk = '__distinct'; } this[thunk].call(this, (error, res) => { if (error) { return cb(_cleanCastErrorStack(castError, error)); } this._hooks.execPost('exec', this, [], {}, (error) => { if (error) { return cb(_cleanCastErrorStack(castError, error)); } cb(null, res); }); }); }); }, this.model.events);};
/*! * ignore */function _cleanCastErrorStack(castError, error) { if (error instanceof CastError) { castError.copy(error); return castError; } return error;}
/*! * ignore */function _wrapThunkCallback(query, cb) { return function(error, res) { if (error != null) { return cb(error); } for (const fn of query._transforms) { try { res = fn(res); } catch (error) { return cb(error); } } return cb(null, res); };}
/** * Executes the query returning a `Promise` which will be * resolved with either the doc(s) or rejected with the error. * * More about [`then()` in JavaScript](https://masteringjs.io/tutorials/fundamentals/then). * * @param {Function} [resolve] * @param {Function} [reject] * @return {Promise} * @api public */Query.prototype.then = function(resolve, reject) { return this.exec().then(resolve, reject);};
/** * Executes the query returning a `Promise` which will be * resolved with either the doc(s) or rejected with the error. * Like `.then()`, but only takes a rejection handler. * * More about [Promise `catch()` in JavaScript](https://masteringjs.io/tutorials/fundamentals/catch). * * @param {Function} [reject] * @return {Promise} * @api public */Query.prototype.catch = function(reject) { return this.exec().then(null, reject);};
/** * Add pre [middleware](/docs/middleware.html) to this query instance. Doesn't affect * other queries. * * #### Example: * * const q1 = Question.find({ answer: 42 }); * q1.pre(function middleware() { * console.log(this.getFilter()); * }); * await q1.exec(); // Prints "{ answer: 42 }" * * // Doesn't print anything, because `middleware()` is only * // registered on `q1`. * await Question.find({ answer: 42 }); * * @param {Function} fn * @return {Promise} * @api public */Query.prototype.pre = function(fn) { this._hooks.pre('exec', fn); return this;};
/** * Add post [middleware](/docs/middleware.html) to this query instance. Doesn't affect * other queries. * * #### Example: * * const q1 = Question.find({ answer: 42 }); * q1.post(function middleware() { * console.log(this.getFilter()); * }); * await q1.exec(); // Prints "{ answer: 42 }" * * // Doesn't print anything, because `middleware()` is only * // registered on `q1`. * await Question.find({ answer: 42 }); * * @param {Function} fn * @return {Promise} * @api public */Query.prototype.post = function(fn) { this._hooks.post('exec', fn); return this;};
/** * Casts obj for an update command. * * @param {Object} obj * @param {Boolean} overwrite * @return {Object} obj after casting its values * @method _castUpdate * @memberOf Query * @instance * @api private */Query.prototype._castUpdate = function _castUpdate(obj, overwrite) { let schema = this.schema; const discriminatorKey = schema.options.discriminatorKey; const baseSchema = schema._baseSchema ? schema._baseSchema : schema; if (this._mongooseOptions.overwriteDiscriminatorKey && obj[discriminatorKey] != null && baseSchema.discriminators) { const _schema = baseSchema.discriminators[obj[discriminatorKey]]; if (_schema != null) { schema = _schema; } } let upsert; if ('upsert' in this.options) { upsert = this.options.upsert; } const filter = this._conditions; if (schema != null && utils.hasUserDefinedProperty(filter, schema.options.discriminatorKey) && typeof filter[schema.options.discriminatorKey] !== 'object' && schema.discriminators != null) { const discriminatorValue = filter[schema.options.discriminatorKey]; const byValue = getDiscriminatorByValue(this.model.discriminators, discriminatorValue); schema = schema.discriminators[discriminatorValue] || (byValue && byValue.schema) || schema; } return castUpdate(schema, obj, { overwrite: overwrite, strict: this._mongooseOptions.strict, upsert: upsert, arrayFilters: this.options.arrayFilters, overwriteDiscriminatorKey: this._mongooseOptions.overwriteDiscriminatorKey }, this, this._conditions);};
/** * castQuery * @api private */function castQuery(query) { try { return query.cast(query.model); } catch (err) { return err; }}
/** * Specifies paths which should be populated with other documents. * * #### Example: * * let book = await Book.findOne().populate('authors'); * book.title; // 'Node.js in Action' * book.authors[0].name; // 'TJ Holowaychuk' * book.authors[1].name; // 'Nathan Rajlich' * * let books = await Book.find().populate({ * path: 'authors', * // `match` and `sort` apply to the Author model, * // not the Book model. These options do not affect * // which documents are in `books`, just the order and * // contents of each book document's `authors`. * match: { name: new RegExp('.*h.*', 'i') }, * sort: { name: -1 } * }); * books[0].title; // 'Node.js in Action' * // Each book's `authors` are sorted by name, descending. * books[0].authors[0].name; // 'TJ Holowaychuk' * books[0].authors[1].name; // 'Marc Harter' * * books[1].title; // 'Professional AngularJS' * // Empty array, no authors' name has the letter 'h' * books[1].authors; // [] * * Paths are populated after the query executes and a response is received. A * separate query is then executed for each path specified for population. After * a response for each query has also been returned, the results are passed to * the callback. * * @param {Object|String|String[]} path either the path(s) to populate or an object specifying all parameters * @param {Object|String} [select] Field selection for the population query * @param {Model} [model] The model you wish to use for population. If not specified, populate will look up the model by the name in the Schema's `ref` field. * @param {Object} [match] Conditions for the population query * @param {Object} [options] Options for the population query (sort, etc) * @param {String} [options.path=null] The path to populate. * @param {boolean} [options.retainNullValues=false] by default, Mongoose removes null and undefined values from populated arrays. Use this option to make `populate()` retain `null` and `undefined` array entries. * @param {boolean} [options.getters=false] if true, Mongoose will call any getters defined on the `localField`. By default, Mongoose gets the raw value of `localField`. For example, you would need to set this option to `true` if you wanted to [add a `lowercase` getter to your `localField`](/docs/schematypes.html#schematype-options). * @param {boolean} [options.clone=false] When you do `BlogPost.find().populate('author')`, blog posts with the same author will share 1 copy of an `author` doc. Enable this option to make Mongoose clone populated docs before assigning them. * @param {Object|Function} [options.match=null] Add an additional filter to the populate query. Can be a filter object containing [MongoDB query syntax](https://docs.mongodb.com/manual/tutorial/query-documents/), or a function that returns a filter object. * @param {Function} [options.transform=null] Function that Mongoose will call on every populated document that allows you to transform the populated document. * @param {Object} [options.options=null] Additional options like `limit` and `lean`. * @see population /docs/populate * @see Query#select #query_Query-select * @see Model.populate #model_Model-populate * @return {Query} this * @api public */Query.prototype.populate = function() { // Bail when given no truthy arguments if (!Array.from(arguments).some(Boolean)) { return this; } const res = utils.populate.apply(null, arguments); // Propagate readConcern and readPreference and lean from parent query, // unless one already specified if (this.options != null) { const readConcern = this.options.readConcern; const readPref = this.options.readPreference; for (const populateOptions of res) { if (readConcern != null && (populateOptions && populateOptions.options && populateOptions.options.readConcern) == null) { populateOptions.options = populateOptions.options || {}; populateOptions.options.readConcern = readConcern; } if (readPref != null && (populateOptions && populateOptions.options && populateOptions.options.readPreference) == null) { populateOptions.options = populateOptions.options || {}; populateOptions.options.readPreference = readPref; } } } const opts = this._mongooseOptions; if (opts.lean != null) { const lean = opts.lean; for (const populateOptions of res) { if ((populateOptions && populateOptions.options && populateOptions.options.lean) == null) { populateOptions.options = populateOptions.options || {}; populateOptions.options.lean = lean; } } } if (!utils.isObject(opts.populate)) { opts.populate = {}; } const pop = opts.populate; for (const populateOptions of res) { const path = populateOptions.path; if (pop[path] && pop[path].populate && populateOptions.populate) { populateOptions.populate = pop[path].populate.concat(populateOptions.populate); } pop[populateOptions.path] = populateOptions; } return this;};
/** * Gets a list of paths to be populated by this query * * #### Example: * * bookSchema.pre('findOne', function() { * let keys = this.getPopulatedPaths(); // ['author'] * }); * ... * Book.findOne({}).populate('author'); * * #### Example: * * // Deep populate * const q = L1.find().populate({ * path: 'level2', * populate: { path: 'level3' } * }); * q.getPopulatedPaths(); // ['level2', 'level2.level3'] * * @return {Array} an array of strings representing populated paths * @api public */Query.prototype.getPopulatedPaths = function getPopulatedPaths() { const obj = this._mongooseOptions.populate || {}; const ret = Object.keys(obj); for (const path of Object.keys(obj)) { const pop = obj[path]; if (!Array.isArray(pop.populate)) { continue; } _getPopulatedPaths(ret, pop.populate, path + '.'); } return ret;};
/*! * ignore */function _getPopulatedPaths(list, arr, prefix) { for (const pop of arr) { list.push(prefix + pop.path); if (!Array.isArray(pop.populate)) { continue; } _getPopulatedPaths(list, pop.populate, prefix + pop.path + '.'); }}
/** * Casts this query to the schema of `model` * * #### Note: * * If `obj` is present, it is cast instead of this query. * * @param {Model} [model] the model to cast to. If not set, defaults to `this.model` * @param {Object} [obj] * @return {Object} * @api public */Query.prototype.cast = function(model, obj) { obj || (obj = this._conditions); model = model || this.model; const discriminatorKey = model.schema.options.discriminatorKey; if (obj != null && obj.hasOwnProperty(discriminatorKey)) { model = getDiscriminatorByValue(model.discriminators, obj[discriminatorKey]) || model; } const opts = { upsert: this.options && this.options.upsert }; if (this.options) { if ('strict' in this.options) { opts.strict = this.options.strict; opts.strictQuery = opts.strict; } if ('strictQuery' in this.options) { opts.strictQuery = this.options.strictQuery; } } try { return cast(model.schema, obj, opts, this); } catch (err) { // CastError, assign model if (typeof err.setModel === 'function') { err.setModel(model); } throw err; }};
/** * Casts selected field arguments for field selection with mongo 2.2 * * query.select({ ids: { $elemMatch: { $in: [hexString] }}) * * @param {Object} fields * @see https://github.com/Automattic/mongoose/issues/1091 * @see https://docs.mongodb.org/manual/reference/projection/elemMatch/ * @api private */Query.prototype._castFields = function _castFields(fields) { let selected, elemMatchKeys, keys, key, out, i; if (fields) { keys = Object.keys(fields); elemMatchKeys = []; i = keys.length; // collect $elemMatch args while (i--) { key = keys[i]; if (fields[key].$elemMatch) { selected || (selected = {}); selected[key] = fields[key]; elemMatchKeys.push(key); } } } if (selected) { // they passed $elemMatch, cast em try { out = this.cast(this.model, selected); } catch (err) { return err; } // apply the casted field args i = elemMatchKeys.length; while (i--) { key = elemMatchKeys[i]; fields[key] = out[key]; } } return fields;};
/** * Applies schematype selected options to this query. * @api private */Query.prototype._applyPaths = function applyPaths() { this._fields = this._fields || {}; helpers.applyPaths(this._fields, this.model.schema); let _selectPopulatedPaths = true; if ('selectPopulatedPaths' in this.model.base.options) { _selectPopulatedPaths = this.model.base.options.selectPopulatedPaths; } if ('selectPopulatedPaths' in this.model.schema.options) { _selectPopulatedPaths = this.model.schema.options.selectPopulatedPaths; } if (_selectPopulatedPaths) { selectPopulatedFields(this._fields, this._userProvidedFields, this._mongooseOptions.populate); }};
/** * Returns a wrapper around a [mongodb driver cursor](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html). * A QueryCursor exposes a Streams3 interface, as well as a `.next()` function. * * The `.cursor()` function triggers pre find hooks, but **not** post find hooks. * * #### Example: * * // There are 2 ways to use a cursor. First, as a stream: * Thing. * find({ name: /^hello/ }). * cursor(). * on('data', function(doc) { console.log(doc); }). * on('end', function() { console.log('Done!'); }); * * // Or you can use `.next()` to manually get the next doc in the stream. * // `.next()` returns a promise, so you can use promises or callbacks. * const cursor = Thing.find({ name: /^hello/ }).cursor(); * cursor.next(function(error, doc) { * console.log(doc); * }); * * // Because `.next()` returns a promise, you can use co * // to easily iterate through all documents without loading them * // all into memory. * const cursor = Thing.find({ name: /^hello/ }).cursor(); * for (let doc = await cursor.next(); doc != null; doc = await cursor.next()) { * console.log(doc); * } * * #### Valid options * * - `transform`: optional function which accepts a mongoose document. The return value of the function will be emitted on `data` and returned by `.next()`. * * @return {QueryCursor} * @param {Object} [options] * @see QueryCursor /docs/api/querycursor * @api public */Query.prototype.cursor = function cursor(opts) { this._applyPaths(); this._fields = this._castFields(this._fields); this.setOptions({ projection: this._fieldsForExec() }); if (opts) { this.setOptions(opts); } const options = Object.assign({}, this._optionsForExec(), { projection: this.projection() }); try { this.cast(this.model); } catch (err) { return (new QueryCursor(this, options))._markError(err); } return new QueryCursor(this, options);};
// the rest of these are basically to support older Mongoose syntax with mquery
/** * _DEPRECATED_ Alias of `maxScan` * * @deprecated * @see maxScan #query_Query-maxScan * @method maxscan * @memberOf Query * @instance */Query.prototype.maxscan = Query.base.maxScan;
/** * Sets the tailable option (for use with capped collections). * * #### Example: * * query.tailable(); // true * query.tailable(true); * query.tailable(false); * * // Set both `tailable` and `awaitData` options * query.tailable({ awaitData: true }); * * #### Note: * * Cannot be used with `distinct()` * * @param {Boolean} bool defaults to true * @param {Object} [opts] options to set * @param {Boolean} [opts.awaitData] false by default. Set to true to keep the cursor open even if there's no data. * @param {Number} [opts.maxAwaitTimeMS] the maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true * @see tailable https://docs.mongodb.org/manual/tutorial/create-tailable-cursor/ * @api public */Query.prototype.tailable = function(val, opts) { // we need to support the tailable({ awaitData : true }) as well as the // tailable(true, {awaitData :true}) syntax that mquery does not support if (val != null && typeof val.constructor === 'function' && val.constructor.name === 'Object') { opts = val; val = true; } if (val === undefined) { val = true; } if (opts && typeof opts === 'object') { for (const key of Object.keys(opts)) { if (key === 'awaitData' || key === 'awaitdata') { // backwards compat, see gh-10875 // For backwards compatibility this.options['awaitData'] = !!opts[key]; } else { this.options[key] = opts[key]; } } } return Query.base.tailable.call(this, val);};
/** * Declares an intersects query for `geometry()`. * * #### Example: * * query.where('path').intersects().geometry({ * type: 'LineString', * coordinates: [[180.0, 11.0], [180, 9.0]] * }); * * query.where('path').intersects({ * type: 'LineString', * coordinates: [[180.0, 11.0], [180, 9.0]] * }); * * #### Note: * * **MUST** be used after `where()`. * * #### Note: * * In Mongoose 3.7, `intersects` changed from a getter to a function. If you need the old syntax, use [this](https://github.com/ebensing/mongoose-within). * * @method intersects * @memberOf Query * @instance * @param {Object} [arg] * @return {Query} this * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/ * @see geoIntersects https://docs.mongodb.org/manual/reference/operator/geoIntersects/ * @api public *//** * Specifies a `$geometry` condition * * #### Example: * * const polyA = [[[ 10, 20 ], [ 10, 40 ], [ 30, 40 ], [ 30, 20 ]]] * query.where('loc').within().geometry({ type: 'Polygon', coordinates: polyA }) * * // or * const polyB = [[ 0, 0 ], [ 1, 1 ]] * query.where('loc').within().geometry({ type: 'LineString', coordinates: polyB }) * * // or * const polyC = [ 0, 0 ] * query.where('loc').within().geometry({ type: 'Point', coordinates: polyC }) * * // or * query.where('loc').intersects().geometry({ type: 'Point', coordinates: polyC }) * * The argument is assigned to the most recent path passed to `where()`. * * #### Note: * * `geometry()` **must** come after either `intersects()` or `within()`. * * The `object` argument must contain `type` and `coordinates` properties. * - type {String} * - coordinates {Array} * * @method geometry * @memberOf Query * @instance * @param {Object} object Must contain a `type` property which is a String and a `coordinates` property which is an Array. See the examples. * @return {Query} this * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/ * @see Geospatial Support Enhancements https://www.mongodb.com/docs/manual/release-notes/2.4/#geospatial-support-enhancements * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @api public *//** * Specifies a `$near` or `$nearSphere` condition * * These operators return documents sorted by distance. * * #### Example: * * query.where('loc').near({ center: [10, 10] }); * query.where('loc').near({ center: [10, 10], maxDistance: 5 }); * query.where('loc').near({ center: [10, 10], maxDistance: 5, spherical: true }); * query.near('loc', { center: [10, 10], maxDistance: 5 }); * * @method near * @memberOf Query * @instance * @param {String} [path] * @param {Object} val * @return {Query} this * @see $near https://docs.mongodb.org/manual/reference/operator/near/ * @see $nearSphere https://docs.mongodb.org/manual/reference/operator/nearSphere/ * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @api public *//** * Overwriting mquery is needed to support a couple different near() forms found in older * versions of mongoose * near([1,1]) * near(1,1) * near(field, [1,2]) * near(field, 1, 2) * In addition to all of the normal forms supported by mquery * * @method near * @memberOf Query * @instance * @api private */Query.prototype.near = function() { const params = []; const sphere = this._mongooseOptions.nearSphere; // TODO refactor if (arguments.length === 1) { if (Array.isArray(arguments[0])) { params.push({ center: arguments[0], spherical: sphere }); } else if (typeof arguments[0] === 'string') { // just passing a path params.push(arguments[0]); } else if (utils.isObject(arguments[0])) { if (typeof arguments[0].spherical !== 'boolean') { arguments[0].spherical = sphere; } params.push(arguments[0]); } else { throw new TypeError('invalid argument'); } } else if (arguments.length === 2) { if (typeof arguments[0] === 'number' && typeof arguments[1] === 'number') { params.push({ center: [arguments[0], arguments[1]], spherical: sphere }); } else if (typeof arguments[0] === 'string' && Array.isArray(arguments[1])) { params.push(arguments[0]); params.push({ center: arguments[1], spherical: sphere }); } else if (typeof arguments[0] === 'string' && utils.isObject(arguments[1])) { params.push(arguments[0]); if (typeof arguments[1].spherical !== 'boolean') { arguments[1].spherical = sphere; } params.push(arguments[1]); } else { throw new TypeError('invalid argument'); } } else if (arguments.length === 3) { if (typeof arguments[0] === 'string' && typeof arguments[1] === 'number' && typeof arguments[2] === 'number') { params.push(arguments[0]); params.push({ center: [arguments[1], arguments[2]], spherical: sphere }); } else { throw new TypeError('invalid argument'); } } else { throw new TypeError('invalid argument'); } return Query.base.near.apply(this, params);};
/** * _DEPRECATED_ Specifies a `$nearSphere` condition * * #### Example: * * query.where('loc').nearSphere({ center: [10, 10], maxDistance: 5 }); * * **Deprecated.** Use `query.near()` instead with the `spherical` option set to `true`. * * #### Example: * * query.where('loc').near({ center: [10, 10], spherical: true }); * * @deprecated * @see near() #query_Query-near * @see $near https://docs.mongodb.org/manual/reference/operator/near/ * @see $nearSphere https://docs.mongodb.org/manual/reference/operator/nearSphere/ * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/ */Query.prototype.nearSphere = function() { this._mongooseOptions.nearSphere = true; this.near.apply(this, arguments); return this;};
/** * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js) * This function *only* works for `find()` queries. * You do not need to call this function explicitly, the JavaScript runtime * will call it for you. * * #### Example: * * for await (const doc of Model.aggregate([{ $sort: { name: 1 } }])) { * console.log(doc.name); * } * * Node.js 10.x supports async iterators natively without any flags. You can * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187). * * **Note:** This function is not if `Symbol.asyncIterator` is undefined. If * `Symbol.asyncIterator` is undefined, that means your Node.js version does not * support async iterators. * * @method Symbol.asyncIterator * @memberOf Query * @instance * @api public */if (Symbol.asyncIterator != null) { Query.prototype[Symbol.asyncIterator] = function() { return this.cursor().transformNull()._transformForAsyncIterator(); };}
/** * Specifies a `$polygon` condition * * #### Example: * * query.where('loc').within().polygon([10, 20], [13, 25], [7, 15]); * query.polygon('loc', [10, 20], [13, 25], [7, 15]); * * @method polygon * @memberOf Query * @instance * @param {String|Array} [path] * @param {Array|Object} [coordinatePairs...] * @return {Query} this * @see $polygon https://docs.mongodb.org/manual/reference/operator/polygon/ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @api public *//** * Specifies a `$box` condition * * #### Example: * * const lowerLeft = [40.73083, -73.99756] * const upperRight= [40.741404, -73.988135] * * query.where('loc').within().box(lowerLeft, upperRight) * query.box({ ll : lowerLeft, ur : upperRight }) * * @method box * @memberOf Query * @instance * @see $box https://docs.mongodb.org/manual/reference/operator/box/ * @see within() Query#within #query_Query-within * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @param {Object|Array<Number>} val1 Lower Left Coordinates OR a object of lower-left(ll) and upper-right(ur) Coordinates * @param {Array<Number>} [val2] Upper Right Coordinates * @return {Query} this * @api public *//** * this is needed to support the mongoose syntax of: * box(field, { ll : [x,y], ur : [x2,y2] }) * box({ ll : [x,y], ur : [x2,y2] }) * * @method box * @memberOf Query * @instance * @api private */Query.prototype.box = function(ll, ur) { if (!Array.isArray(ll) && utils.isObject(ll)) { ur = ll.ur; ll = ll.ll; } return Query.base.box.call(this, ll, ur);};
/** * Specifies a `$center` or `$centerSphere` condition. * * #### Example: * * const area = { center: [50, 50], radius: 10, unique: true } * query.where('loc').within().circle(area) * // alternatively * query.circle('loc', area); * * // spherical calculations * const area = { center: [50, 50], radius: 10, unique: true, spherical: true } * query.where('loc').within().circle(area) * // alternatively * query.circle('loc', area); * * @method circle * @memberOf Query * @instance * @param {String} [path] * @param {Object} area * @return {Query} this * @see $center https://docs.mongodb.org/manual/reference/operator/center/ * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/ * @see $geoWithin https://docs.mongodb.org/manual/reference/operator/geoWithin/ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @api public *//** * _DEPRECATED_ Alias for [circle](#query_Query-circle) * * **Deprecated.** Use [circle](#query_Query-circle) instead. * * @deprecated * @method center * @memberOf Query * @instance * @api public */Query.prototype.center = Query.base.circle;
/** * _DEPRECATED_ Specifies a `$centerSphere` condition * * **Deprecated.** Use [circle](#query_Query-circle) instead. * * #### Example: * * const area = { center: [50, 50], radius: 10 }; * query.where('loc').within().centerSphere(area); * * @deprecated * @param {String} [path] * @param {Object} val * @return {Query} this * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/ * @api public */Query.prototype.centerSphere = function() { if (arguments[0] != null && typeof arguments[0].constructor === 'function' && arguments[0].constructor.name === 'Object') { arguments[0].spherical = true; } if (arguments[1] != null && typeof arguments[1].constructor === 'function' && arguments[1].constructor.name === 'Object') { arguments[1].spherical = true; } Query.base.circle.apply(this, arguments);};
/** * Determines if field selection has been made. * * @method selected * @memberOf Query * @instance * @return {Boolean} * @api public *//** * Determines if inclusive field selection has been made. * * query.selectedInclusively(); // false * query.select('name'); * query.selectedInclusively(); // true * * @method selectedInclusively * @memberOf Query * @instance * @return {Boolean} * @api public */Query.prototype.selectedInclusively = function selectedInclusively() { return isInclusive(this._fields);};
/** * Determines if exclusive field selection has been made. * * query.selectedExclusively(); // false * query.select('-name'); * query.selectedExclusively(); // true * query.selectedInclusively(); // false * * @method selectedExclusively * @memberOf Query * @instance * @return {Boolean} * @api public */Query.prototype.selectedExclusively = function selectedExclusively() { return isExclusive(this._fields);};
/** * The model this query is associated with. * * #### Example: * * const q = MyModel.find(); * q.model === MyModel; // true * * @api public * @property model * @memberOf Query * @instance */Query.prototype.model;
/*! * Export */module.exports = Query;