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Merge branch bb-10.4-release into bb-10.5-release
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@ -126,3 +126,29 @@ eval set statement optimizer_switch='split_materialized=off' for explain $q;
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drop view v1;
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drop table t1,t2;
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--echo #
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--echo # MDEV-23723: Crash when test_if_skip_sort_order() is checked for derived table subject to split
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--echo #
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CREATE TABLE t1 (a INT, b INT, KEY (a), KEY (a,b)) ENGINE=InnoDB;
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CREATE TABLE t2 (c INT, KEY (c)) ENGINE=InnoDB;
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SELECT * FROM t1 t1a JOIN t1 t1b;
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INSERT INTO t2 VALUES (1),(2);
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INSERT INTO t1 VALUES (1,2),(3,4),(5,6),(7,8),(9,10),(11,12);
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let $query=
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EXPLAIN
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SELECT *
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FROM
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t1 JOIN
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(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt
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WHERE
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t1.a = dt.a;
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eval set statement optimizer_switch='split_materialized=off' for $query;
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eval set statement optimizer_switch='split_materialized=on' for $query;
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DROP TABLE t1, t2;
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