1 files changed, 27 insertions, 0 deletions
diff --git a/node_modules/mysql2/lib/packets/prepare_statement.js b/node_modules/mysql2/lib/packets/prepare_statement.js
new file mode 100644
index 0000000..d53c222
--- /dev/null
+++ b/node_modules/mysql2/lib/packets/prepare_statement.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const Packet = require('../packets/packet');
+const CommandCodes = require('../constants/commands');
+const StringParser = require('../parsers/string.js');
+const CharsetToEncoding = require('../constants/charset_encodings.js');
+
+class PrepareStatement {
+  constructor(sql, charsetNumber) {
+    this.query = sql;
+    this.charsetNumber = charsetNumber;
+    this.encoding = CharsetToEncoding[charsetNumber];
+  }
+
+  toPacket() {
+    const buf = StringParser.encode(this.query, this.encoding);
+    const length = 5 + buf.length;
+    const buffer = Buffer.allocUnsafe(length);
+    const packet = new Packet(0, buffer, 0, length);
+    packet.offset = 4;
+    packet.writeInt8(CommandCodes.STMT_PREPARE);
+    packet.writeBuffer(buf);
+    return packet;
+  }
+}
+
+module.exports = PrepareStatement;