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MDEV-4536, MDEV-4042

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- Make JOIN::cleanup(true) also work correctly when the query is KILLed
  after join optimization was started but before a query plan was produced
This commit is contained in:
Sergey Petrunya
2013-07-15 18:51:52 +04:00
parent e8b0b51966
commit 716a49a19e
2 changed files with 14 additions and 3 deletions
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6
sql/sql_select.h
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@ -1308,6 +1308,12 @@ public:
pre_sort_join_tab= NULL;
emb_sjm_nest= NULL;
sjm_lookup_tables= 0;
/*
The following is needed because JOIN::cleanup(true) may be called for
joins for which JOIN::optimize was aborted with an error before a proper
query plan was produced
*/
table_access_tabs= NULL;
}
int prepare(Item ***rref_pointer_array, TABLE_LIST *tables, uint wind_num,