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
  1d127e3d_ea12_acab_f67f_3dcc4e438f9d["leftSelect()"]
  b145d7b0_f119_a29a_6da7_7ad4e74e20fa["select.types.ts"]
  1d127e3d_ea12_acab_f67f_3dcc4e438f9d -->|defined in| b145d7b0_f119_a29a_6da7_7ad4e74e20fa
  style 1d127e3d_ea12_acab_f67f_3dcc4e438f9d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/mysql-core/query-builders/select.types.ts lines 408–450

export type MySqlCreateSetOperatorFn = <
	TTableName extends string | undefined,
	TSelection extends ColumnsSelection,
	TSelectMode extends SelectMode,
	TValue extends MySqlSetOperatorWithResult<TResult>,
	TRest extends MySqlSetOperatorWithResult<TResult>[],
	TPreparedQueryHKT extends PreparedQueryHKTBase = PreparedQueryHKTBase,
	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: MySqlSetOperatorInterface<
		TTableName,
		TSelection,
		TSelectMode,
		TPreparedQueryHKT,
		TNullabilityMap,
		TDynamic,
		TExcludedMethods,
		TResult,
		TSelectedFields
	>,
	rightSelect: SetOperatorRightSelect<TValue, TResult>,
	...restSelects: SetOperatorRestSelect<TRest, TResult>
) => MySqlSelectWithout<
	MySqlSelectBase<
		TTableName,
		TSelection,
		TSelectMode,
		TPreparedQueryHKT,
		TNullabilityMap,
		TDynamic,
		TExcludedMethods,
		TResult,
		TSelectedFields
	>,
	false,
	MySqlSetOperatorExcludedMethods,
	true
>;