From 0141b99fbce6f92c9697d3d582faf67773afb809 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Sat, 30 Dec 2017 18:07:34 +0100
Subject: [PATCH] Ignore LOCK/UNLOCK TABLE in ClickHouse #1314

---
 lib/ClickHouse_Server.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/ClickHouse_Server.cpp b/lib/ClickHouse_Server.cpp
index f959a56ec..e243d74e7 100644
--- a/lib/ClickHouse_Server.cpp
+++ b/lib/ClickHouse_Server.cpp
@@ -1970,6 +1970,15 @@ __end_show_commands:
 			run_query=false;
 			goto __run_query;
 		}
+		if (
+			(strncasecmp("LOCK TABLE",query_no_space,10)==0)
+			||
+			(strncasecmp("UNLOCK TABLE",query_no_space,12)==0)
+		) {
+			GloClickHouseServer->send_MySQL_OK(&sess->client_myds->myprot, NULL);
+			run_query=false;
+			goto __run_query;
+		}
 	}
 	
 __run_query: