| Server IP : 104.21.38.3 / Your IP : 172.70.189.164 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/ |
Upload File : |
drop table if exists t1; CREATE TABLE t1 ( ol_o_id int NOT NULL, ol_d_id int NOT NULL, ol_w_id int NOT NULL, ol_number int NOT NULL, ol_tmp int, PRIMARY KEY (ol_w_id, ol_d_id, ol_o_id, ol_number) ) ENGINE=NDB PARTITION BY HASH (ol_w_id); insert into t1 values (1,0,0,0,0),(1,0,0,1,0),(1,0,0,2,0),(1,1,0,0,0),(1,1,0,1,0); insert into t1 values (2,0,0,0,0),(4,0,0,0,0),(4,0,0,1,0); insert into t1 values (0,1,1,4,0),(0,1,1,5,0); UPDATE t1 force index (primary) SET ol_tmp = 1 WHERE ol_o_id = 0 AND ol_d_id = 1 AND ol_w_id = 1; ndb_scan_count 1 ndb_pruned_scan_count 1 SELECT * FROM t1 WHERE ol_w_id = 1 AND ol_d_id = 1 AND ol_o_id = 0; ol_o_id ol_d_id ol_w_id ol_number ol_tmp 0 1 1 4 1 0 1 1 5 1 ndb_scan_count 1 ndb_pruned_scan_count 1 SELECT SUM(ol_number) FROM t1 WHERE ol_o_id = 0 AND ol_w_id = 1 AND ol_d_id = 1; SUM(ol_number) 9 ndb_scan_count 1 ndb_pruned_scan_count 1 drop table t1;