buildSetOperations() — drizzle-orm Function Reference

Architecture documentation for the buildSetOperations() function in dialect.ts from the drizzle-orm codebase.

Function typescript DrizzleORM SQLDialects calls 1 called by 1

Entity Profile

DrizzleORM→ SQLDialects→ buildSetOperations() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  896a4bfc_a0fe_c924_90a8_862a42b92dd8["buildSetOperations()"]
  f80973ef_149c_bd36_66ee_1e7e9024a9d5["GelDialect"]
  896a4bfc_a0fe_c924_90a8_862a42b92dd8 -->|defined in| f80973ef_149c_bd36_66ee_1e7e9024a9d5
  6a5af19b_779e_e705_f0b0_c71ea6c700fd["buildSelectQuery()"]
  6a5af19b_779e_e705_f0b0_c71ea6c700fd -->|calls| 896a4bfc_a0fe_c924_90a8_862a42b92dd8
  a10eef6b_871f_2873_5f7a_35a4a094e933["buildSetOperationQuery()"]
  896a4bfc_a0fe_c924_90a8_862a42b92dd8 -->|calls| a10eef6b_871f_2873_5f7a_35a4a094e933
  style 896a4bfc_a0fe_c924_90a8_862a42b92dd8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/gel-core/dialect.ts lines 445–461

	buildSetOperations(leftSelect: SQL, setOperators: GelSelectConfig['setOperators']): SQL {
		const [setOperator, ...rest] = setOperators;

		if (!setOperator) {
			throw new Error('Cannot pass undefined values to any set operator');
		}

		if (rest.length === 0) {
			return this.buildSetOperationQuery({ leftSelect, setOperator });
		}

		// Some recursive magic here
		return this.buildSetOperations(
			this.buildSetOperationQuery({ leftSelect, setOperator }),
			rest,
		);
	}