createTableUniques() — drizzle-orm Function Reference

Architecture documentation for the createTableUniques() function in introspect-pg.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SchemaDiffer calls 1 called by 1

Entity Profile

DrizzleKit→ SchemaDiffer→ createTableUniques() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  4bf3de5e_42f3_e8a0_a804_e18a3ea1cb6a["createTableUniques()"]
  71516551_23e3_bf30_27c9_000fb046ef71["introspect-pg.ts"]
  4bf3de5e_42f3_e8a0_a804_e18a3ea1cb6a -->|defined in| 71516551_23e3_bf30_27c9_000fb046ef71
  ae4bc88a_1e24_ce7b_ea80_728e39b829ef["schemaToTypeScript()"]
  ae4bc88a_1e24_ce7b_ea80_728e39b829ef -->|calls| 4bf3de5e_42f3_e8a0_a804_e18a3ea1cb6a
  968467a1_c4a6_11cb_5fbc_8854071f9af4["withCasing()"]
  4bf3de5e_42f3_e8a0_a804_e18a3ea1cb6a -->|calls| 968467a1_c4a6_11cb_5fbc_8854071f9af4
  style 4bf3de5e_42f3_e8a0_a804_e18a3ea1cb6a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/introspect-pg.ts lines 1308–1324

const createTableUniques = (
	unqs: UniqueConstraint[],
	casing: Casing,
): string => {
	let statement = '';

	unqs.forEach((it) => {
		statement += `\n\t`;
		statement += 'unique(';
		statement += `"${it.name}")`;
		statement += `.on(${it.columns.map((it) => `table.${withCasing(it, casing)}`).join(', ')})`;
		statement += it.nullsNotDistinct ? `.nullsNotDistinct()` : '';
		statement += `,`;
	});

	return statement;
};