Initial commit - Event Planner application

node_modules/kysely/dist/cjs/dialect/postgres/postgres-adapter.js

@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.PostgresAdapter = void 0;
+const sql_js_1 = require("../../raw-builder/sql.js");
+const dialect_adapter_base_js_1 = require("../dialect-adapter-base.js");
+// Random id for our transaction lock.
+const LOCK_ID = BigInt('3853314791062309107');
+class PostgresAdapter extends dialect_adapter_base_js_1.DialectAdapterBase {
+    get supportsTransactionalDdl() {
+        return true;
+    }
+    get supportsReturning() {
+        return true;
+    }
+    async acquireMigrationLock(db, _opt) {
+        // Acquire a transaction level advisory lock.
+        await (0, sql_js_1.sql) `select pg_advisory_xact_lock(${sql_js_1.sql.lit(LOCK_ID)})`.execute(db);
+    }
+    async releaseMigrationLock(_db, _opt) {
+        // Nothing to do here. `pg_advisory_xact_lock` is automatically released at the
+        // end of the transaction and since `supportsTransactionalDdl` true, we know
+        // the `db` instance passed to acquireMigrationLock is actually a transaction.
+    }
+}
+exports.PostgresAdapter = PostgresAdapter;