convert() — drizzle-orm Function Reference

Architecture documentation for the convert() function in sqlgenerator.ts from the drizzle-orm codebase.

Function typescript DrizzleKit Introspection

Entity Profile

DrizzleKit→ Introspection→ convert() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  7b1239b0_ec02_9b5e_593f_a727e07d3fc0["convert()"]
  688e920c_121f_c9ad_65ae_4dc2ba1c7552["PgAlterPolicyConvertor"]
  7b1239b0_ec02_9b5e_593f_a727e07d3fc0 -->|defined in| 688e920c_121f_c9ad_65ae_4dc2ba1c7552
  style 7b1239b0_ec02_9b5e_593f_a727e07d3fc0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 264–289

	override convert(statement: JsonAlterPolicyStatement, _dialect: any, action?: string): string | string[] {
		const newPolicy = action === 'push'
			? PgSquasher.unsquashPolicyPush(statement.newData)
			: PgSquasher.unsquashPolicy(statement.newData);
		const oldPolicy = action === 'push'
			? PgSquasher.unsquashPolicyPush(statement.oldData)
			: PgSquasher.unsquashPolicy(statement.oldData);

		const tableNameWithSchema = statement.schema
			? `"${statement.schema}"."${statement.tableName}"`
			: `"${statement.tableName}"`;

		const usingPart = newPolicy.using
			? ` USING (${newPolicy.using})`
			: oldPolicy.using
			? ` USING (${oldPolicy.using})`
			: '';

		const withCheckPart = newPolicy.withCheck
			? ` WITH CHECK (${newPolicy.withCheck})`
			: oldPolicy.withCheck
			? ` WITH CHECK  (${oldPolicy.withCheck})`
			: '';

		return `ALTER POLICY "${oldPolicy.name}" ON ${tableNameWithSchema} TO ${newPolicy.to}${usingPart}${withCheckPart};`;
	}