Function findAlternationsInTable

drizzle-kit/src/jsonDiffer.js:413–572

(table)

}

const findAlternationsInTable = (table) => {
	// map each table to have altered, deleted or renamed columns

	// in case no columns were altered, but indexes were
	const columns = table.columns ?? {};

	const altered = Object.keys(columns)
		.filter((it) => !(it.includes('__deleted') || it.includes('__added')))
		.map((it) => {
			return { name: it, ...columns[it] };
		});

	const deletedIndexes = Object.fromEntries(
		Object.entries(table.indexes__deleted || {})
			.concat(
				Object.entries(table.indexes || {}).filter((it) => it[0].includes('__deleted')),
			)
			.map((entry) => [entry[0].replace('__deleted', ''), entry[1]]),
	);

	const addedIndexes = Object.fromEntries(
		Object.entries(table.indexes__added || {})
			.concat(
				Object.entries(table.indexes || {}).filter((it) => it[0].includes('__added')),
			)
			.map((entry) => [entry[0].replace('__added', ''), entry[1]]),
	);

	const alteredIndexes = Object.fromEntries(
		Object.entries(table.indexes || {}).filter((it) => {
			return !it[0].endsWith('__deleted') && !it[0].endsWith('__added');
		}),
	);

	const deletedPolicies = Object.fromEntries(
		Object.entries(table.policies__deleted || {})
			.concat(
				Object.entries(table.policies || {}).filter((it) => it[0].includes('__deleted')),
			)
			.map((entry) => [entry[0].replace('__deleted', ''), entry[1]]),
	);

	const addedPolicies = Object.fromEntries(
		Object.entries(table.policies__added || {})
			.concat(
				Object.entries(table.policies || {}).filter((it) => it[0].includes('__added')),
			)
			.map((entry) => [entry[0].replace('__added', ''), entry[1]]),
	);

	const alteredPolicies = Object.fromEntries(
		Object.entries(table.policies || {}).filter((it) => {
			return !it[0].endsWith('__deleted') && !it[0].endsWith('__added');
		}),
	);

	const deletedForeignKeys = Object.fromEntries(
		Object.entries(table.foreignKeys__deleted || {})