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MWL#90: Subqueries: Inside-out execution for materialized non-sj subqueries

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- Merge with 5.3 (3)
This commit is contained in:
Sergey Petrunya
2011-02-15 20:29:57 +03:00
parent 6c9076256f 7b9bcaa5ec
commit e4325ff60b
44 changed files with 4287 additions and 1810 deletions
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3
sql/opt_range.cc
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@ -2909,7 +2909,8 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
quick=0;
needed_reg.clear_all();
quick_keys.clear_all();
if (keys_to_use.is_clear_all())
DBUG_ASSERT(!head->is_filled_at_execution());
if (keys_to_use.is_clear_all() || head->is_filled_at_execution())
DBUG_RETURN(0);
records= head->file->stats.records;
if (!records)