mapGetResult() — drizzle-orm Function Reference

Architecture documentation for the mapGetResult() function in session.ts from the drizzle-orm codebase.

Function typescript DrizzleORM RelationalQuery calls 2 called by 1

Entity Profile

DrizzleORM→ RelationalQuery→ mapGetResult() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee["mapGetResult()"]
  c2d257fe_c7e1_f3d2_0b3e_6513a71b51aa["LibSQLPreparedQuery"]
  a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee -->|defined in| c2d257fe_c7e1_f3d2_0b3e_6513a71b51aa
  9c25c357_e2a3_c9a0_3df1_faff95cb1470["get()"]
  9c25c357_e2a3_c9a0_3df1_faff95cb1470 -->|calls| a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee
  8740c482_ee1f_ed4d_55b9_5b1fe2f837f2["normalizeRow()"]
  a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee -->|calls| 8740c482_ee1f_ed4d_55b9_5b1fe2f837f2
  45b33a0f_5427_6907_92de_8b400035d4a0["normalizeFieldValue()"]
  a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee -->|calls| 45b33a0f_5427_6907_92de_8b400035d4a0
  style a09e10ee_6a96_c8f9_dfb6_0a4f5bd6a0ee fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/libsql/session.ts lines 257–281

	override mapGetResult(rows: unknown, isFromBatch?: boolean): unknown {
		if (isFromBatch) {
			rows = (rows as ResultSet).rows;
		}

		const row = (rows as unknown[])[0];

		if (!this.fields && !this.customResultMapper) {
			return normalizeRow(row);
		}

		if (!row) {
			return undefined;
		}

		if (this.customResultMapper) {
			return this.customResultMapper(rows as unknown[][], normalizeFieldValue) as T['get'];
		}

		return mapResultRow(
			this.fields!,
			Array.prototype.slice.call(row).map((v) => normalizeFieldValue(v)),
			this.joinsNotNullableMap,
		);
	}