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MDEV-521 fix.
After pullout item during single row subselect transformation it should be fixed properly.
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@ -6163,5 +6163,20 @@ a ( 3, 3 ) NOT IN ( SELECT NULL, NULL )
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3 NULL
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set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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#
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# MDEV-521 single value subselect transformation problem
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#
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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DROP TABLE t1;
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# return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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@ -6162,6 +6162,21 @@ a ( 3, 3 ) NOT IN ( SELECT NULL, NULL )
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3 NULL
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set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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#
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# MDEV-521 single value subselect transformation problem
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#
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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DROP TABLE t1;
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# return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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set optimizer_switch=default;
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@ -6158,6 +6158,21 @@ a ( 3, 3 ) NOT IN ( SELECT NULL, NULL )
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3 NULL
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set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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#
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# MDEV-521 single value subselect transformation problem
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#
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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DROP TABLE t1;
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# return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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set @optimizer_switch_for_subselect_test=null;
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@ -6169,6 +6169,21 @@ a ( 3, 3 ) NOT IN ( SELECT NULL, NULL )
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3 NULL
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set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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#
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# MDEV-521 single value subselect transformation problem
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#
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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DROP TABLE t1;
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# return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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set optimizer_switch=default;
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@ -6158,6 +6158,21 @@ a ( 3, 3 ) NOT IN ( SELECT NULL, NULL )
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3 NULL
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set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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#
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# MDEV-521 single value subselect transformation problem
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#
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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f1
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u1
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u2
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DROP TABLE t1;
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# return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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set @optimizer_switch_for_subselect_test=null;
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@ -5229,5 +5229,18 @@ set optimizer_switch=@mdev367_optimizer_switch;
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DROP TABLE t1;
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--echo #
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--echo # MDEV-521 single value subselect transformation problem
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--echo #
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CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES ('u1'),('u2');
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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FLUSH TABLES;
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SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
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# Cleanup
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DROP TABLE t1;
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--echo # return optimizer switch changed in the beginning of this test
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set optimizer_switch=@subselect_tmp;
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