From b212117fd304a9c64e191a839bc72c206d332e0a Mon Sep 17 00:00:00 2001
From: Johan Wikman <johan.wikman@gmail.com>
Date: Wed, 13 May 2020 10:38:07 +0300
Subject: [PATCH] MXS-2990 Fix the problem, treat ! as not

If '!' is followed by '=' then it is NOT-EQUAL, otherwise it is
just NOT.
---
 query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c b/query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c
index 05070b107..fc958424b 100644
--- a/query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c
+++ b/query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c
@@ -419,8 +419,13 @@ int sqlite3GetToken(const unsigned char *z, int *tokenType){
     }
     case CC_BANG: {
       if( z[1]!='=' ){
+#ifdef MAXSCALE
+        *tokenType = TK_NOT;
+        return 1;
+#else
         *tokenType = TK_ILLEGAL;
         return 2;
+#endif
       }else{
         *tokenType = TK_NE;
         return 2;