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28 lines
757 B
Plaintext
28 lines
757 B
Plaintext
--source include/have_debug.inc
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#
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# Bug #37627: Killing query with sum(exists()) or avg(exists()) reproducibly
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# crashes server
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#
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CREATE TABLE t1(id INT);
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INSERT INTO t1 VALUES (1),(2),(3),(4);
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INSERT INTO t1 SELECT a.id FROM t1 a,t1 b,t1 c,t1 d;
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# Setup the mysqld to crash at certain point
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SET @orig_debug=@@debug;
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SET GLOBAL debug_dbug="d,subselect_exec_fail";
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SELECT SUM(EXISTS(SELECT RAND() FROM t1)) FROM t1;
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SELECT REVERSE(EXISTS(SELECT RAND() FROM t1));
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SET GLOBAL debug_dbug=@orig_debug;
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DROP TABLE t1;
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#
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# MDEV-5284 Assertion `!(*expr)->fixed' fails in replace_where_subcondition with IN suquery
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#
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create table t1 (i int);
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insert into t1 values (1),(2);
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select * from t1 where (i < 200 or i = 300) and i in (select i from t1);
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drop table t1;
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