diffTestSchemas() — drizzle-orm Function Reference

Source Code

drizzle-kit/tests/schemaDiffer.ts lines 1214–1338

export const diffTestSchemas = async (
	left: PostgresSchema,
	right: PostgresSchema,
	renamesArr: string[],
	cli: boolean = false,
	casing?: CasingType | undefined,
) => {
	const leftTables = Object.values(left).filter((it) => is(it, PgTable)) as PgTable[];

	const rightTables = Object.values(right).filter((it) => is(it, PgTable)) as PgTable[];

	const leftSchemas = Object.values(left).filter((it) => is(it, PgSchema)) as PgSchema[];

	const rightSchemas = Object.values(right).filter((it) => is(it, PgSchema)) as PgSchema[];

	const leftEnums = Object.values(left).filter((it) => isPgEnum(it)) as PgEnum<any>[];

	const rightEnums = Object.values(right).filter((it) => isPgEnum(it)) as PgEnum<any>[];

	const leftSequences = Object.values(left).filter((it) => isPgSequence(it)) as PgSequence[];

	const rightSequences = Object.values(right).filter((it) => isPgSequence(it)) as PgSequence[];

	const leftRoles = Object.values(left).filter((it) => is(it, PgRole)) as PgRole[];

	const rightRoles = Object.values(right).filter((it) => is(it, PgRole)) as PgRole[];

	const leftPolicies = Object.values(left).filter((it) => is(it, PgPolicy)) as PgPolicy[];

	const rightPolicies = Object.values(right).filter((it) => is(it, PgPolicy)) as PgPolicy[];

	const leftViews = Object.values(left).filter((it) => isPgView(it)) as PgView[];

	const rightViews = Object.values(right).filter((it) => isPgView(it)) as PgView[];

	const leftMaterializedViews = Object.values(left).filter((it) => isPgMaterializedView(it)) as PgMaterializedView[];

	const rightMaterializedViews = Object.values(right).filter((it) => isPgMaterializedView(it)) as PgMaterializedView[];

	const serialized1 = generatePgSnapshot(
		leftTables,
		leftEnums,
		leftSchemas,
		leftSequences,
		leftRoles,
		leftPolicies,
		leftViews,
		leftMaterializedViews,
		casing,
	);
	const serialized2 = generatePgSnapshot(
		rightTables,
		rightEnums,
		rightSchemas,
		rightSequences,
		rightRoles,
		rightPolicies,
		rightViews,
		rightMaterializedViews,
		casing,
	);

	const { version: v1, dialect: d1, ...rest1 } = serialized1;
	const { version: v2, dialect: d2, ...rest2 } = serialized2;

	const sch1 = {
		version: '7',
		dialect: 'postgresql',
		id: '0',
		prevId: '0',
		...rest1,
	} as const;

	const sch2 = {
		version: '7',
		dialect: 'postgresql',
		id: '0',
		prevId: '0',
		...rest2,
	} as const;