Server IP : 172.67.216.182 / Your IP : 172.70.208.8 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/ndb/r/ |
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call mtr.add_suppression(".*NDB_SHARE.*Moving away for safety, but possible memleak"); use test; create table parent(a int primary key, b int, key(b)) engine=ndb; create table child(a int primary key, b int) engine=ndb; insert into parent values (1,1), (2,2), (3,3), (4,4); insert into parent select a+4, b+4 from parent; insert into parent select a+8, b+8 from parent; insert into parent select a+16, b+16 from parent; insert into parent select a+32, b+32 from parent; insert into parent select a+64, b+64 from parent; insert into parent select a+128, b+128 from parent; insert into parent select a+256, b+256 from parent; insert into parent select a+512, b+512 from parent; insert into parent select a+1024, b+1024 from parent; insert into parent select a+2048, b+2048 from parent; insert into parent select a+4096, b+4096 from parent; insert into child select * from parent; set ndb_join_pushdown = false; explain select count(*) from parent join child on (parent.b = child.a) where parent.b > 5; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE parent p0,p1,p2,p3,p4,p5,p6,p7 range b b 5 NULL 819 100.00 Using where with pushed condition ((`test`.`parent`.`b` > 5) and (`test`.`parent`.`b` is not null)); Using MRR 1 SIMPLE child p0,p1,p2,p3,p4,p5,p6,p7 eq_ref PRIMARY PRIMARY 4 test.parent.b 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select count(0) AS `count(*)` from `test`.`parent` join `test`.`child` where ((`test`.`child`.`a` = `test`.`parent`.`b`) and (`test`.`parent`.`b` > 5)) Starting engines... call queryload(10); call queryload(10); call queryload(10); call queryload(10); Beginning alter table child partition by key(a) partitions 4; alter table child partition by key(a) partitions 4; Completed. Ending test. Droping table parent drop table parent; drop table child; drop procedure queryload;