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MDEV-4071: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with ...

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- Call tmp_having->update_used_tables() *before* we have call JOIN::cleanup().
  Making the call after join::cleanup() is not allowed, because subquery 
  predicate items walk parent join's JOIN_TAB structures. Which can be 
  invalidated by JOIN::cleanup().
This commit is contained in:
Sergey Petrunya 2013-05-04 20:42:43 +04:00
commit ddd341b71a
4 changed files with 51 additions and 14 deletions
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17
mysql-test/t/subselect_sj.test
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@ -2567,5 +2567,22 @@ drop table t1, t2;
connection default;
disconnect con1;
--echo #
--echo # MDEV-4071: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with ...
--echo #
CREATE TABLE t1 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (7,'v'),(0,'s');
CREATE TABLE t2 (a INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (0),(8);
SELECT c, SUM( DISTINCT b ) AS sm FROM t1
WHERE ( 5, 108 ) IN ( SELECT MIN(a), MAX(a) FROM t2 )
GROUP BY b
HAVING c <> ( SELECT MAX( c ) FROM t1 )
ORDER BY sm;
DROP TABLE t1,t2;
# The following command must be the last one the file
set optimizer_switch=@subselect_sj_tmp;