Initial commit - Event Planner application

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

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MssqlAdapter = void 0;
+const migrator_js_1 = require("../../migration/migrator.js");
+const sql_js_1 = require("../../raw-builder/sql.js");
+const dialect_adapter_base_js_1 = require("../dialect-adapter-base.js");
+class MssqlAdapter extends dialect_adapter_base_js_1.DialectAdapterBase {
+    get supportsCreateIfNotExists() {
+        return false;
+    }
+    get supportsTransactionalDdl() {
+        return true;
+    }
+    get supportsOutput() {
+        return true;
+    }
+    async acquireMigrationLock(db) {
+        // Acquire a transaction-level exclusive lock on the migrations table.
+        // https://learn.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-getapplock-transact-sql?view=sql-server-ver16
+        await (0, sql_js_1.sql) `exec sp_getapplock @DbPrincipal = ${sql_js_1.sql.lit('dbo')}, @Resource = ${sql_js_1.sql.lit(migrator_js_1.DEFAULT_MIGRATION_TABLE)}, @LockMode = ${sql_js_1.sql.lit('Exclusive')}`.execute(db);
+    }
+    async releaseMigrationLock() {
+        // Nothing to do here. `sp_getapplock` 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.MssqlAdapter = MssqlAdapter;