schemaChangeFor() — drizzle-orm Function Reference

Architecture documentation for the schemaChangeFor() function in snapshotsDiffer.ts from the drizzle-orm codebase.

Function typescript DrizzleKit Introspection called by 1

Entity Profile

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

Dependency Diagram

graph TD
  0db00779_feb2_cf90_31ff_ef0286d07da0["schemaChangeFor()"]
  582ba146_631b_7794_80a3_5b8044ba7cde["snapshotsDiffer.ts"]
  0db00779_feb2_cf90_31ff_ef0286d07da0 -->|defined in| 582ba146_631b_7794_80a3_5b8044ba7cde
  c7a398db_43c9_7771_09b7_73bc09e703e8["applyPgSnapshotsDiff()"]
  c7a398db_43c9_7771_09b7_73bc09e703e8 -->|calls| 0db00779_feb2_cf90_31ff_ef0286d07da0
  style 0db00779_feb2_cf90_31ff_ef0286d07da0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/snapshotsDiffer.ts lines 491–505

const schemaChangeFor = (
	table: NamedWithSchema,
	renamedSchemas: { from: Named; to: Named }[],
) => {
	for (let ren of renamedSchemas) {
		if (table.schema === ren.from.name) {
			return { key: `${ren.to.name}.${table.name}`, schema: ren.to.name };
		}
	}

	return {
		key: `${table.schema || 'public'}.${table.name}`,
		schema: table.schema,
	};
};