fillPlaceholders() — drizzle-orm Function Reference

Architecture documentation for the fillPlaceholders() function in sql.ts from the drizzle-orm codebase.

Function typescript DrizzleORM SQLDialects

Entity Profile

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

Dependency Diagram

graph TD
  b43b1fdc_2e0f_1213_bb17_947d5f332508["fillPlaceholders()"]
  99347ab2_b1a1_faf4_e37c_7643e4b2eb8a["sql.ts"]
  b43b1fdc_2e0f_1213_bb17_947d5f332508 -->|defined in| 99347ab2_b1a1_faf4_e37c_7643e4b2eb8a
  style b43b1fdc_2e0f_1213_bb17_947d5f332508 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/sql/sql.ts lines 612–632

export function fillPlaceholders(params: unknown[], values: Record<string, unknown>): unknown[] {
	return params.map((p) => {
		if (is(p, Placeholder)) {
			if (!(p.name in values)) {
				throw new Error(`No value for placeholder "${p.name}" was provided`);
			}

			return values[p.name];
		}

		if (is(p, Param) && is(p.value, Placeholder)) {
			if (!(p.value.name in values)) {
				throw new Error(`No value for placeholder "${p.value.name}" was provided`);
			}

			return p.encoder.mapToDriverValue(values[p.value.name]);
		}

		return p;
	});
}