Backend half

2025-07-11 19:56:28 +02:00
parent fa868e7c1d
commit 8600fa7c1d
19426 changed files with 3750448 additions and 8108 deletions
@@ -0,0 +1,38 @@
+//  SPDX-License-Identifier: LGPL-2.1-or-later
+//  Copyright (c) 2015-2024 MariaDB Corporation Ab
+
+'use strict';
+
+const Command = require('./command');
+
+/**
+ * Close prepared statement
+ * see https://mariadb.com/kb/en/3-binary-protocol-prepared-statements-com_stmt_close/
+ */
+class ClosePrepare extends Command {
+  constructor(cmdParam, resolve, reject, prepare) {
+    super(cmdParam, resolve, reject);
+    this.prepare = prepare;
+  }
+
+  start(out, opts, info) {
+    if (opts.logger.query) opts.logger.query(`CLOSE PREPARE: (${this.prepare.id}) ${this.prepare.query}`);
+    const closeCmd = new Uint8Array([
+      5,
+      0,
+      0,
+      0,
+      0x19,
+      this.prepare.id,
+      this.prepare.id >> 8,
+      this.prepare.id >> 16,
+      this.prepare.id >> 24
+    ]);
+    out.fastFlush(this, closeCmd);
+    this.onPacketReceive = null;
+    this.emit('send_end');
+    this.emit('end');
+  }
+}
+
+module.exports = ClosePrepare;