IGNITE-6055: SQL. Add string length constraint - Fixes #3973.

Signed-off-by: Nikolay Izhikov <nizhikov@apache.org>
diff --git a/lib/internal/ClientSocket.js b/lib/internal/ClientSocket.js
index ac7ccec..1d1a4dd 100644
--- a/lib/internal/ClientSocket.js
+++ b/lib/internal/ClientSocket.js
@@ -77,12 +77,16 @@
 
 const PROTOCOL_VERSION_1_0_0 = new ProtocolVersion(1, 0, 0);
 const PROTOCOL_VERSION_1_1_0 = new ProtocolVersion(1, 1, 0);
+const PROTOCOL_VERSION_1_2_0 = new ProtocolVersion(1, 2, 0);
 
 const SUPPORTED_VERSIONS = [
     // PROTOCOL_VERSION_1_0_0, // Support for QueryField precision/scale fields breaks 1.0.0 compatibility
-    PROTOCOL_VERSION_1_1_0
+    PROTOCOL_VERSION_1_1_0,
+    PROTOCOL_VERSION_1_2_0
 ];
 
+const CURRENT_VERSION = PROTOCOL_VERSION_1_2_0;
+
 const STATE = Object.freeze({
     INITIAL : 0,
     HANDSHAKE : 1,
@@ -111,7 +115,7 @@
     async connect() {
         return new Promise((resolve, reject) => {
             this._connectSocket(
-                this._getHandshake(PROTOCOL_VERSION_1_1_0, resolve, reject));
+                this._getHandshake(CURRENT_VERSION, resolve, reject));
         });
     }
 
@@ -430,4 +434,4 @@
     }
 }
 
-module.exports = ClientSocket;
\ No newline at end of file
+module.exports = ClientSocket;