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5.3 merge
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36
sql/table.cc
36
sql/table.cc
@@ -4966,19 +4966,33 @@ TABLE *TABLE_LIST::get_real_join_table()
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DBUG_ASSERT(tbl->derived == NULL ||
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tbl->derived->first_select()->next_select() == NULL);
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if (tbl->table)
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table= tbl->table;
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tbl= (tbl->view != NULL ?
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tbl->view->select_lex.get_table_list() :
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tbl->derived->first_select()->get_table_list());
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/* find left table in outer join on this level */
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while(tbl->outer_join & JOIN_TYPE_RIGHT)
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{
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DBUG_ASSERT(tbl->next_local);
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tbl= tbl->next_local;
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List_iterator_fast<TABLE_LIST> ti;
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{
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List_iterator_fast<TABLE_LIST>
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ti(tbl->view != NULL ?
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tbl->view->select_lex.top_join_list :
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tbl->derived->first_select()->top_join_list);
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for (;;)
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{
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tbl= NULL;
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/*
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Find left table in outer join on this level
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(the list is reverted).
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*/
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for (TABLE_LIST *t= ti++; t; t= ti++)
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tbl= t;
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/*
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It is impossible that the list is empty
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so tbl can't be NULL after above loop.
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*/
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if (!tbl->nested_join)
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break;
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/* go deeper if we've found nested join */
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ti= tbl->nested_join->join_list;
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}
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}
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}
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}
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return tbl->table;
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