createTableUniques() — drizzle-orm Function Reference

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

Function typescript DrizzleKit SchemaDiffer called by 1

Entity Profile

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

Dependency Diagram

graph TD
  eeeb2aa7_e00e_d1ed_4dd1_e5eb5a9a90d3["createTableUniques()"]
  1198bdc6_ac5c_88c0_dda6_b8caf0f5d9fa["introspect-mysql.ts"]
  eeeb2aa7_e00e_d1ed_4dd1_e5eb5a9a90d3 -->|defined in| 1198bdc6_ac5c_88c0_dda6_b8caf0f5d9fa
  194539cf_d577_ab5e_4ea9_ec2fd5ee230b["schemaToTypeScript()"]
  194539cf_d577_ab5e_4ea9_ec2fd5ee230b -->|calls| eeeb2aa7_e00e_d1ed_4dd1_e5eb5a9a90d3
  style eeeb2aa7_e00e_d1ed_4dd1_e5eb5a9a90d3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/introspect-mysql.ts lines 931–951

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

	unqs.forEach((it) => {
		const idxKey = casing(it.name);

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

	return statement;
};