drizzle-orm
Version:
Drizzle ORM package for SQL databases
85 lines • 3.01 kB
JavaScript
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var migrator_exports = {};
__export(migrator_exports, {
migrate: () => migrate
});
module.exports = __toCommonJS(migrator_exports);
var import_sql = require("../sql/index.cjs");
function readMigrationFiles({ journal, migrations }) {
const migrationQueries = [];
for (const journalEntry of journal.entries) {
const query = migrations[`m${journalEntry.idx.toString().padStart(4, "0")}`];
if (!query) {
throw new Error(`Missing migration: ${journalEntry.tag}`);
}
try {
const result = query.split("--> statement-breakpoint").map((it) => {
return it;
});
migrationQueries.push({
sql: result,
bps: journalEntry.breakpoints,
folderMillis: journalEntry.when,
hash: ""
});
} catch {
throw new Error(`Failed to parse migration: ${journalEntry.tag}`);
}
}
return migrationQueries;
}
async function migrate(db, config) {
const migrations = readMigrationFiles(config);
db.transaction((tx) => {
try {
const migrationsTable = "__drizzle_migrations";
const migrationTableCreate = import_sql.sql`
CREATE TABLE IF NOT EXISTS ${import_sql.sql.identifier(migrationsTable)} (
id SERIAL PRIMARY KEY,
hash text NOT NULL,
created_at numeric
)
`;
db.run(migrationTableCreate);
const dbMigrations = db.values(
import_sql.sql`SELECT id, hash, created_at FROM ${import_sql.sql.identifier(migrationsTable)} ORDER BY created_at DESC LIMIT 1`
);
const lastDbMigration = dbMigrations[0] ?? void 0;
for (const migration of migrations) {
if (!lastDbMigration || Number(lastDbMigration[2]) < migration.folderMillis) {
for (const stmt of migration.sql) {
db.run(import_sql.sql.raw(stmt));
}
db.run(
import_sql.sql`INSERT INTO ${import_sql.sql.identifier(migrationsTable)} ("hash", "created_at") VALUES(${migration.hash}, ${migration.folderMillis})`
);
}
}
} catch (error) {
tx.rollback();
throw error;
}
});
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
migrate
});
//# sourceMappingURL=migrator.cjs.map
;