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Fixed LP bug #838633.

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For any query JOIN::optimize() should call the method
SELECT::save_leaf_tables after the last transformation
that utilizes the statement memory rather than the 
execution memory.
This commit is contained in:
Igor Babaev 2011-09-06 07:17:39 -07:00
commit da59130ec1
4 changed files with 102 additions and 3 deletions
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5
sql/sql_select.cc
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@ -899,9 +899,6 @@ JOIN::optimize()
/* dump_TABLE_LIST_graph(select_lex, select_lex->leaf_tables); */
select_lex->update_used_tables();
/* Save this info for the next executions */
if (select_lex->save_leaf_tables(thd))
DBUG_RETURN(1);
}
eval_select_list_used_tables();
@ -961,6 +958,8 @@ JOIN::optimize()
/* Convert all outer joins to inner joins if possible */
conds= simplify_joins(this, join_list, conds, TRUE, FALSE);
if (select_lex->save_leaf_tables(thd))
DBUG_RETURN(1);
build_bitmap_for_nested_joins(join_list, 0);
sel->prep_where= conds ? conds->copy_andor_structure(thd) : 0;