| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/main/ |
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# # Run subselect.test without semi-join optimization (test materialize) # set @optimizer_switch_for_subselect_test='semijoin=off,mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; set join_cache_level=1; set @join_cache_level_for_subselect_test=@@join_cache_level; --source subselect.test --echo # --echo # MDEV-19714: JOIN::pseudo_bits_cond is not visible in EXPLAIN FORMAT=JSON --echo # CREATE TABLE t1 ( a INT ); INSERT INTO t1 VALUES (1),(5); # t2 must be MyISAM or Aria and contain 1 row CREATE TABLE t2 ( b INT ) ENGINE=MyISAM; INSERT INTO t2 VALUES (1); CREATE TABLE t3 ( c INT ); INSERT INTO t3 VALUES (4),(5); SET @tmp19714=@@optimizer_switch; SET optimizer_switch='subquery_cache=off'; explain format=json SELECT ( SELECT b FROM t2 WHERE b = a OR EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; SET optimizer_switch=@tmp19714; drop table t1,t2,t3; set @optimizer_switch_for_subselect_test=null; set @join_cache_level_for_subselect_test=NULL;