drizzle-orm
Version:
Drizzle ORM package for SQL databases
32 lines • 1.18 kB
JavaScript
import { readMigrationFiles } from "../migrator.js";
import { sql } from "../sql/sql.js";
async function migrate(db, callback, config) {
const migrations = readMigrationFiles(config);
const migrationsTable = typeof config === "string" ? "__drizzle_migrations" : 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 numeric
)
`;
await db.run(migrationTableCreate);
const dbMigrations = await db.values(
sql`SELECT id, hash, created_at FROM ${sql.identifier(migrationsTable)} ORDER BY created_at DESC LIMIT 1`
);
const lastDbMigration = dbMigrations[0] ?? void 0;
const queriesToRun = [];
for (const migration of migrations) {
if (!lastDbMigration || Number(lastDbMigration[2]) < migration.folderMillis) {
queriesToRun.push(
...migration.sql,
`INSERT INTO \`${migrationsTable}\` ("hash", "created_at") VALUES('${migration.hash}', '${migration.folderMillis}')`
);
}
}
await callback(queriesToRun);
}
export {
migrate
};
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