Initial commit

node_modules/knex/lib/dialects/postgres/execution/pg-transaction.js

@@ -0,0 +1,19 @@
+const Transaction = require('../../../execution/transaction');
+
+class Transaction_PG extends Transaction {
+  begin(conn) {
+    const trxMode = [
+      this.isolationLevel ? `ISOLATION LEVEL ${this.isolationLevel}` : '',
+      this.readOnly ? 'READ ONLY' : '',
+    ]
+      .join(' ')
+      .trim();
+
+    if (trxMode.length === 0) {
+      return this.query(conn, 'BEGIN;');
+    }
+    return this.query(conn, `BEGIN TRANSACTION ${trxMode};`);
+  }
+}
+
+module.exports = Transaction_PG;