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5.3 merge

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This commit is contained in:
Sergei Golubchik
2012-02-21 20:51:56 +01:00
parent 5bf311e1e8 446554a15b
commit edab37cd68
57 changed files with 857 additions and 254 deletions
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21
sql/handler.cc
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@@ -4617,6 +4617,27 @@ int handler::compare_key2(key_range *range)
}
/**
ICP callback - to be called by an engine to check the pushed condition
*/
extern "C" enum icp_result handler_index_cond_check(void* h_arg)
{
handler *h= (handler*)h_arg;
THD *thd= h->table->in_use;
enum icp_result res;
if (thd_killed(thd))
return ICP_ABORTED_BY_USER;
if (h->end_range && h->compare_key2(h->end_range) > 0)
return ICP_OUT_OF_RANGE;
h->increment_statistics(&SSV::ha_pushed_index_cond_checks);
if ((res= h->pushed_idx_cond->val_int()? ICP_MATCH : ICP_NO_MATCH) ==
ICP_NO_MATCH)
h->increment_statistics(&SSV::ha_pushed_index_cond_filtered);
return res;
}
int handler::index_read_idx_map(uchar * buf, uint index, const uchar * key,
key_part_map keypart_map,
enum ha_rkey_function find_flag)