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Module

x/typeorm/src/index.ts>ColumnOptions

Forked from https://github.com/typeorm/typeorm
Latest
interface ColumnOptions
implements ColumnCommonOptions
Re-export
import { type ColumnOptions } from "https://deno.land/x/typeorm@v0.2.23-rc10/src/index.ts";

Describes all column's options.

Properties

optional
type: ColumnType

Column type. Must be one of the value from the ColumnTypes class.

optional
name: string

Column name in the database.

optional
length: string | number

Column type's length. Used only on some column types. For example type = "string" and length = "100" means that ORM will create a column with type varchar(100).

optional
width: number

Column type's display width. Used only on some column types in MySQL. For example, INT(4) specifies an INT with a display width of four digits.

optional
nullable: boolean

Indicates if column's value can be set to NULL.

optional
deprecated
readonly: boolean

Indicates if column value is not updated by "save" operation. It means you'll be able to write this value only when you first time insert the object. Default value is "false".

optional
update: boolean

Indicates if column value is updated by "save" operation. If false, you'll be able to write this value only when you first time insert the object. Default value is "true".

optional
select: boolean

Indicates if column is always selected by QueryBuilder and find operations. Default value is "true".

optional
insert: boolean

Indicates if column is inserted by default. Default value is "true".

optional
default: any

Default database value.

optional
onUpdate: string

ON UPDATE trigger. Works only for MySQL.

optional
primary: boolean

Indicates if this column is a primary key. Same can be achieved when @PrimaryColumn decorator is used.

optional
unique: boolean

Specifies if column's value must be unique or not.

optional
comment: string

Column comment. Not supported by all database types.

optional
precision: number | null

The precision for a decimal (exact numeric) column (applies only for decimal column), which is the maximum number of digits that are stored for the values.

optional
scale: number

The scale for a decimal (exact numeric) column (applies only for decimal column), which represents the number of digits to the right of the decimal point and must not be greater than precision.

optional
zerofill: boolean

Puts ZEROFILL attribute on to numeric column. Works only for MySQL. If you specify ZEROFILL for a numeric column, MySQL automatically adds the UNSIGNED attribute to this column

optional
unsigned: boolean

Puts UNSIGNED attribute on to numeric column. Works only for MySQL.

optional
charset: string

Defines a column character set. Not supported by all database types.

optional
collation: string

Defines a column collation.

optional
enum: (string | number)[] | Object

Array of possible enumerated values.

optional
enumName: string

Exact name of enum

optional
asExpression: string

Generated column expression. Supports only in MySQL.

optional
generatedType: "VIRTUAL" | "STORED"

Generated column type. Supports only in MySQL.

optional
hstoreType: "object" | "string"

Return type of HSTORE column. Returns value as string or as object.

optional
array: boolean

Indicates if this column is an array. Can be simply set to true or array length can be specified. Supported only by postgres.

optional
transformer: ValueTransformer | ValueTransformer[]

Specifies a value transformer that is to be used to (un)marshal this column when reading or writing to the database.

optional
spatialFeatureType: string

Spatial Feature Type (Geometry, Point, Polygon, etc.)

optional
srid: number

SRID (Spatial Reference ID (EPSG code))