drizzle-orm/singlestore-proxy/migrator.js

Drizzle ORM package for SQL databases

import { readMigrationFiles } from "../migrator.js";
import { sql } from "../sql/sql.js";
async function migrate(db, callback, config) {
  const migrations = readMigrationFiles(config);
  const migrationsTable = config.migrationsTable ?? "__drizzle_migrations";
  const migrationTableCreate = sql`
		create table if not exists ${sql.identifier(migrationsTable)} (
			id serial primary key,
			hash text not null,
			created_at bigint
		)
	`;
  await db.execute(migrationTableCreate);
  const dbMigrations = await db.select({
    id: sql.raw("id"),
    hash: sql.raw("hash"),
    created_at: sql.raw("created_at")
  }).from(sql.identifier(migrationsTable).getSQL()).orderBy(
    sql.raw("created_at desc")
  ).limit(1);
  const lastDbMigration = dbMigrations[0];
  const queriesToRun = [];
  for (const migration of migrations) {
    if (!lastDbMigration || Number(lastDbMigration.created_at) < migration.folderMillis) {
      queriesToRun.push(
        ...migration.sql,
        `insert into ${sql.identifier(migrationsTable).value} (\`hash\`, \`created_at\`) values('${migration.hash}', '${migration.folderMillis}')`
      );
    }
  }
  await callback(queriesToRun);
}
export {
  migrate
};
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