diff options
Diffstat (limited to 'storage/myisam/mi_key.c')
| -rw-r--r-- | storage/myisam/mi_key.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/storage/myisam/mi_key.c b/storage/myisam/mi_key.c index ed72acf627e..087eb59c7c0 100644 --- a/storage/myisam/mi_key.c +++ b/storage/myisam/mi_key.c @@ -147,8 +147,11 @@ uint _mi_make_key(register MI_INFO *info, uint keynr, uchar *key, set_if_smaller(length,tmp_length); FIX_LENGTH(cs, pos, length, char_length); store_key_length_inc(key,char_length); - memcpy(key, pos, char_length); - key+= char_length; + if (char_length) + { + memcpy(key, pos, char_length); + key+= char_length; + } continue; } else if (keyseg->flag & HA_SWAP_KEY) |