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35 lines
972 B
Text
35 lines
972 B
Text
#
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# Run subselect.test without semi-join optimization (test materialize)
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#
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set @optimizer_switch_for_subselect_test='semijoin=off,mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
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set join_cache_level=1;
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set @join_cache_level_for_subselect_test=@@join_cache_level;
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--source subselect.test
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--echo #
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--echo # MDEV-19714: JOIN::pseudo_bits_cond is not visible in EXPLAIN FORMAT=JSON
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--echo #
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CREATE TABLE t1 ( a INT );
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INSERT INTO t1 VALUES (1),(5);
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# t2 must be MyISAM or Aria and contain 1 row
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CREATE TABLE t2 ( b INT ) ENGINE=MyISAM;
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INSERT INTO t2 VALUES (1);
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CREATE TABLE t3 ( c INT );
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INSERT INTO t3 VALUES (4),(5);
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SET @tmp19714=@@optimizer_switch;
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SET optimizer_switch='subquery_cache=off';
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explain format=json
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SELECT ( SELECT b FROM t2 WHERE b = a OR EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1;
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SET optimizer_switch=@tmp19714;
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drop table t1,t2,t3;
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set @optimizer_switch_for_subselect_test=null;
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set @join_cache_level_for_subselect_test=NULL;
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