leftSelect() — drizzle-orm Function Reference

Architecture documentation for the leftSelect() function in select.types.ts from the drizzle-orm codebase.

Function typescript DrizzleORM QueryBuilders

Entity Profile

DrizzleORM→ QueryBuilders→ leftSelect() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  eba5179b_a133_7aa2_6ef6_78680004ee6f["leftSelect()"]
  65d45edf_0d8a_b7f0_1780_573c12d9a0e6["select.types.ts"]
  eba5179b_a133_7aa2_6ef6_78680004ee6f -->|defined in| 65d45edf_0d8a_b7f0_1780_573c12d9a0e6
  style eba5179b_a133_7aa2_6ef6_78680004ee6f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/pg-core/query-builders/select.types.ts lines 389–428

export type PgCreateSetOperatorFn = <
	TTableName extends string | undefined,
	TSelection extends ColumnsSelection,
	TSelectMode extends SelectMode,
	TValue extends PgSetOperatorWithResult<TResult>,
	TRest extends PgSetOperatorWithResult<TResult>[],
	TNullabilityMap extends Record<string, JoinNullability> = TTableName extends string ? Record<TTableName, 'not-null'>
		: {},
	TDynamic extends boolean = false,
	TExcludedMethods extends string = never,
	TResult extends any[] = SelectResult<TSelection, TSelectMode, TNullabilityMap>[],
	TSelectedFields extends ColumnsSelection = BuildSubquerySelection<TSelection, TNullabilityMap>,
>(
	leftSelect: PgSetOperatorInterface<
		TTableName,
		TSelection,
		TSelectMode,
		TNullabilityMap,
		TDynamic,
		TExcludedMethods,
		TResult,
		TSelectedFields
	>,
	rightSelect: SetOperatorRightSelect<TValue, TResult>,
	...restSelects: SetOperatorRestSelect<TRest, TResult>
) => PgSelectWithout<
	PgSelectBase<
		TTableName,
		TSelection,
		TSelectMode,
		TNullabilityMap,
		TDynamic,
		TExcludedMethods,
		TResult,
		TSelectedFields
	>,
	false,
	PgSetOperatorExcludedMethods,
	true
>;