prepareAlterUniqueConstraintPg() — drizzle-orm Function Reference

Architecture documentation for the prepareAlterUniqueConstraintPg() function in jsonStatements.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SchemaDiffer

Entity Profile

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

Dependency Diagram

graph TD
  9551b09d_84d6_4efa_3947_2f83b4e93061["prepareAlterUniqueConstraintPg()"]
  6139f734_8ada_c641_9fec_9a55cfdf376f["jsonStatements.ts"]
  9551b09d_84d6_4efa_3947_2f83b4e93061 -->|defined in| 6139f734_8ada_c641_9fec_9a55cfdf376f
  style 9551b09d_84d6_4efa_3947_2f83b4e93061 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/jsonStatements.ts lines 3282–3296

export const prepareAlterUniqueConstraintPg = (
	tableName: string,
	schema: string,
	unqs: Record<string, { __old: string; __new: string }>,
): JsonAlterUniqueConstraint[] => {
	return Object.values(unqs).map((it) => {
		return {
			type: 'alter_unique_constraint',
			tableName,
			old: it.__old,
			new: it.__new,
			schema,
		} as JsonAlterUniqueConstraint;
	});
};