1 files changed, 4 insertions, 2 deletions
diff --git a/src/select.c b/src/select.c
index cbc64e3c2..903b90a5d 100644
--- a/src/select.c
+++ b/src/select.c
@@ -264,8 +264,10 @@ int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *pC){
 */
 static int columnIndex(Table *pTab, const char *zCol){
   int i;
-  for(i=0; i<pTab->nCol; i++){
-    if( sqlite3StrICmp(pTab->aCol[i].zName, zCol)==0 ) return i;
+  u8 h = sqlite3StrIHash(zCol);
+  Column *pCol;
+  for(pCol=pTab->aCol, i=0; i<pTab->nCol; pCol++, i++){
+    if( pCol->hName==h && sqlite3StrICmp(pCol->zName, zCol)==0 ) return i;
   }
   return -1;
 }