kysely.CaseWhenBuilder | /mod.ts | kysely_deno_postgres_dialect@v0.27.1

method kysely.CaseWhenBuilder.prototype.when

import { kysely } from "https://deno.land/x/kysely_deno_postgres_dialect@v0.27.1/mod.ts";
const { CaseWhenBuilder } = kysely;

lhs: unknown extends W ? RE : KyselyTypeError<"when(lhs, op, rhs) is not supported when using case(value)">,

rhs: VE,

): CaseThenBuilder<DB, TB, W, O>

Adds a when clause to the case statement.

when(expression: Expression<W>): CaseThenBuilder<DB, TB, W, O>

when(value: unknown extends W ? KyselyTypeError<"when(value) is only supported when using case(value)"> : W): CaseThenBuilder<DB, TB, W, O>

Adds a when clause to the case statement.

A when call must be followed by a CaseThenBuilder.then call.

Type Parameters

lhs: unknown extends W ? RE : KyselyTypeError<"when(lhs, op, rhs) is not supported when using case(value)">

rhs: VE

expression: Expression<W>

value: unknown extends W ? KyselyTypeError<"when(value) is only supported when using case(value)"> : W