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Changed the fixes for the following bugs:

Browse Source 
Bug #39022: completed
Bug #39653: reverted as invalid
Bug #45640: ameliorated, simplified, optimized
Bug #48483: completed
Bug #49324: improved
Bug #51242/52336: reverted, applied a real fix.
This commit is contained in:
Igor Babaev
2010-05-25 23:14:18 -07:00
parent d6c97c913e
commit d120c5b562
13 changed files with 172 additions and 209 deletions
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14
sql/opt_range.h
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@ -718,7 +718,19 @@ class SQL_SELECT :public Sql_alloc {
tmp.set_all();
return test_quick_select(thd, tmp, 0, limit, force_quick_range) < 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);
};