prepare() — drizzle-orm Function Reference

Architecture documentation for the prepare() function in query.ts from the drizzle-orm codebase.

Function typescript DrizzleORM QueryBuilders calls 1 called by 1

Entity Profile

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

Dependency Diagram

graph TD
  535310b8_2d39_1723_7ef3_927abd29f5f4["prepare()"]
  dc98ebd6_1ff3_c9bf_7a1d_036fde626fa8["SingleStoreRelationalQuery"]
  535310b8_2d39_1723_7ef3_927abd29f5f4 -->|defined in| dc98ebd6_1ff3_c9bf_7a1d_036fde626fa8
  636280af_c714_773d_5be9_823d9a6253a8["execute()"]
  636280af_c714_773d_5be9_823d9a6253a8 -->|calls| 535310b8_2d39_1723_7ef3_927abd29f5f4
  bfc03303_6eb8_3121_e8d4_bea012c33f28["_toSQL()"]
  535310b8_2d39_1723_7ef3_927abd29f5f4 -->|calls| bfc03303_6eb8_3121_e8d4_bea012c33f28
  style 535310b8_2d39_1723_7ef3_927abd29f5f4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/singlestore-core/query-builders/query.ts lines 94–107

	prepare() {
		const { query, builtQuery } = this._toSQL();
		return this.session.prepareQuery(
			builtQuery,
			undefined,
			(rawRows) => {
				const rows = rawRows.map((row) => mapRelationalRow(this.schema, this.tableConfig, row, query.selection));
				if (this.queryMode === 'first') {
					return rows[0] as TResult;
				}
				return rows as TResult;
			},
		) as PreparedQueryKind<TPreparedQueryHKT, SingleStorePreparedQueryConfig & { execute: TResult }, true>;
	}