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merge 5.5->10.0-base
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@ -197,7 +197,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
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4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
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NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)) order by `a`)
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Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)))
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select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
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(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
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3 1
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