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MariaDB 5.2 -> MariaDB 5.3 merge

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This commit is contained in:
Sergey Petrunya
2010-06-26 14:05:41 +04:00
parent 7754be7f4c 50cc6c9d8a
commit 27f9fc063c
2077 changed files with 1016246 additions and 14858 deletions
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18
sql/opt_range.h
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@ -304,6 +304,8 @@ uint quick_range_seq_next(range_seq_t rseq, KEY_MULTI_RANGE *range);
class QUICK_RANGE_SELECT : public QUICK_SELECT_I
{
protected:
/* true if we enabled key only reads */
bool doing_key_read;
handler *file;
/* Members to deal with case when this quick select is a ROR-merged scan */
@ -659,6 +661,8 @@ private:
bool have_min; /* Specify whether we are computing */
bool have_max; /* a MIN, a MAX, or both. */
bool seen_first_key; /* Denotes whether the first key was retrieved.*/
bool doing_key_read; /* true if we enabled key only reads */
KEY_PART_INFO *min_max_arg_part; /* The keypart of the only argument field */
/* of all MIN/MAX functions. */
uint min_max_arg_len; /* The length of the MIN/MAX argument field */
@ -752,7 +756,19 @@ class SQL_SELECT :public Sql_alloc {
tmp.set_all();
return test_quick_select(thd, tmp, 0, limit, force_quick_range, FALSE) < 0;
}
inline bool skip_record() { return cond ? cond->val_int() == 0 : 0; }
/*
RETURN
0 if record must be skipped <-> (cond && cond->val_int() == 0)
-1 if error
1 otherwise
*/
inline int skip_record(THD *thd)
{
int rc= test(!cond || cond->val_int());
if (thd->is_error())
rc= -1;
return rc;
}
int test_quick_select(THD *thd, key_map keys, table_map prev_tables,
ha_rows limit, bool force_quick_range,
bool ordered_output);