Function applyLibSQLSnapshotsDiff

drizzle-kit/src/snapshotsDiffer.ts:3794–4328

(
	json1: SQLiteSchemaSquashed,
	json2: SQLiteSchemaSquashed,
	tablesResolver: (
		input: ResolverInput<Table>,
	) => Promise<ResolverOutputWithMoved<Table>>,
	columnsResolver: (
		input: ColumnsResolverInput<Column>,
	) => Promise<ColumnsResolverOutput<Column>>,
	viewsResolver: (
		input: ResolverInput<SqliteView & { schema: '' }>,
	) => Promise<ResolverOutputWithMoved<SqliteView>>,
	prevFull: SQLiteSchema,
	curFull: SQLiteSchema,
	action?: 'push',
)

};

export const applyLibSQLSnapshotsDiff = async (
	json1: SQLiteSchemaSquashed,
	json2: SQLiteSchemaSquashed,
	tablesResolver: (
		input: ResolverInput<Table>,
	) => Promise<ResolverOutputWithMoved<Table>>,
	columnsResolver: (
		input: ColumnsResolverInput<Column>,
	) => Promise<ColumnsResolverOutput<Column>>,
	viewsResolver: (
		input: ResolverInput<SqliteView & { schema: '' }>,
	) => Promise<ResolverOutputWithMoved<SqliteView>>,
	prevFull: SQLiteSchema,
	curFull: SQLiteSchema,
	action?: 'push',
): Promise<{
	statements: JsonStatement[];
	sqlStatements: string[];
	_meta:
		| {
			schemas: {};
			tables: {};
			columns: {};
		}
		| undefined;
}> => {
	const tablesDiff = diffSchemasOrTables(json1.tables, json2.tables);
	const {
		created: createdTables,
		deleted: deletedTables,
		renamed: renamedTables,
	} = await tablesResolver({
		created: tablesDiff.added,
		deleted: tablesDiff.deleted,
	});

	const tablesPatchedSnap1 = copy(json1);
	tablesPatchedSnap1.tables = mapEntries(tablesPatchedSnap1.tables, (_, it) => {
		const { name } = nameChangeFor(it, renamedTables);
		it.name = name;
		return [name, it];
	});

	const res = diffColumns(tablesPatchedSnap1.tables, json2.tables);

	const columnRenames = [] as {
		table: string;
		renames: { from: Column; to: Column }[];
	}[];

	const columnCreates = [] as {
		table: string;
		columns: Column[];
	}[];

	const columnDeletes = [] as {
		table: string;
		columns: Column[];