After merge fixes

Return NULL if a time argument is given to date_add(). (Warning will be shown after Dimitri's timezone patch is pushed)

1 files changed, 4 insertions, 5 deletions

diff --git a/myisam/mi_unique.c b/myisam/mi_unique.c
index 77e967e52e2..ad685f4cbdc 100644
--- a/myisam/mi_unique.c
+++ b/myisam/mi_unique.c
@@ -70,7 +70,7 @@ ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const byte *record)
 {
   const byte *pos, *end;
   ha_checksum crc= 0;
-  ulong seed= 4;
+  ulong seed1=0, seed2= 4;
   HA_KEYSEG *keyseg;
 
   for (keyseg=def->seg ; keyseg < def->end ; keyseg++)
@@ -109,11 +109,10 @@ ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const byte *record)
     end= pos+length;
     if (type == HA_KEYTYPE_TEXT || type == HA_KEYTYPE_VARTEXT)
     {
-      ulong tmp= 0;
       keyseg->charset->coll->hash_sort(keyseg->charset,
-                                       (const uchar*) pos, length, &tmp,
-                                       &seed);
-      crc^= tmp;
+                                       (const uchar*) pos, length, &seed1,
+                                       &seed2);
+      crc^= seed1;
     }
     else
       while (pos != end)