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

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- Merge with MariaDB 5.3 -main
This commit is contained in:
psergey
2010-07-11 19:18:43 +04:00
parent e5f238a051 946aef4a58
commit 3a9aabaa26
50 changed files with 4449 additions and 2093 deletions
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3
sql/opt_range.cc
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@ -2287,7 +2287,8 @@ 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)