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Merge with the latest 5.3 code.

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This commit is contained in:
Igor Babaev
2011-07-17 00:52:07 -07:00
parent c1b6eb1490 d37465a9cc
commit cc0195d6a1
17 changed files with 323 additions and 184 deletions
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7
sql/sql_select.h
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@ -966,11 +966,6 @@ public:
bool optimized; ///< flag to avoid double optimization in EXPLAIN
bool initialized; ///< flag to avoid double init_execution calls
/*
Subqueries that will need to be converted to semi-join nests, including
those converted to jtbm nests. The list is emptied when conversion is done.
*/
Array<Item_in_subselect> sj_subselects;
/*
Additional WHERE and HAVING predicates to be considered for IN=>EXISTS
subquery transformation of a JOIN object.
@ -1000,7 +995,7 @@ public:
JOIN(THD *thd_arg, List<Item> &fields_arg, ulonglong select_options_arg,
select_result *result_arg)
:fields_list(fields_arg), sj_subselects(thd_arg->mem_root, 4)
:fields_list(fields_arg)
{
init(thd_arg, fields_arg, select_options_arg, result_arg);
}