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Bug#38466 maria: range query returns no data

Browse source 
storage/maria/ma_search.c:
  when we found a matching key on the node page and want to search in the left leaf
  we must use only SEARCH_FIND flag, and never SEARCH_BIGGER, SEARCH_SMALLER, or SEARCH_LAST
This commit is contained in:
Sergei Golubchik 2008-08-16 11:49:28 +02:00
commit edb33da737
3 changed files with 45 additions and 12 deletions
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9
storage/maria/ma_search.c
View file

@ -116,7 +116,8 @@ int _ma_search(register MARIA_HA *info, MARIA_KEY *key, uint32 nextflag,
((keyinfo->flag & (HA_NOSAME | HA_NULL_PART)) != HA_NOSAME ||
(key->flag & SEARCH_PART_KEY) || info->s->base.born_transactional))
{
if ((error= _ma_search(info, key, nextflag,
if ((error= _ma_search(info, key, (nextflag | SEARCH_FIND) &
~(SEARCH_BIGGER | SEARCH_SMALLER | SEARCH_LAST),
_ma_kpos(nod_flag,keypos))) >= 0 ||
my_errno != HA_ERR_KEY_NOT_FOUND)
DBUG_RETURN(error);
@ -338,10 +339,8 @@ int _ma_seq_search(const MARIA_KEY *key, uchar *page,
comp_flag | tmp_key.flag,
not_used)) >= 0)
break;
#ifdef EXTRA_DEBUG
DBUG_PRINT("loop",("page: 0x%lx key: '%s' flag: %d", (long) page, t_buff,
flag));
#endif
DBUG_PRINT("loop_extra",("page: 0x%lx key: '%s' flag: %d",
(long) page, t_buff, flag));
memcpy(buff,t_buff,length);
*ret_pos=page;
}