MXS-1196: Turn certain keywords into ids

query_classifier/qc_sqlite/qc_sqlite.c

@@ -2483,6 +2483,26 @@ void maxscaleLock(Parse* pParse, mxs_lock_t type, SrcList* pTables)
     }
 }
 
+int maxscaleTranslateKeyword(int token)
+{
+    switch (token)
+    {
+    case TK_CHARSET:
+    case TK_DO:
+    case TK_HANDLER:
+        if (this_unit.sql_mode == QC_SQL_MODE_ORACLE)
+        {
+            token = TK_ID;
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return token;
+}
+
 /**
  * Register the tokenization of a keyword.
  *

query_classifier/qc_sqlite/sqlite-src-3110100/src/tokenize.c

@@ -569,11 +569,17 @@ int sqlite3GetToken(const unsigned char *z, int *tokenType){
 
         if (*tokenType != TK_ID) {
           extern int maxscaleKeyword(int);
-          if (maxscaleKeyword(*tokenType) != 0)
-          {
-            /* Consume the entire string. */
-            while ( z[i] ) {
-              ++i;
+          extern int maxscaleTranslateKeyword(int);
+
+          *tokenType = maxscaleTranslateKeyword(*tokenType);
+
+          if (*tokenType != TK_ID) {
+            if (maxscaleKeyword(*tokenType) != 0)
+            {
+              /* Consume the entire string. */
+              while ( z[i] ) {
+                ++i;
+              }
             }
           }
         }