Server IP : 104.21.38.3 / Your IP : 172.69.165.76 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/innodb_zip/t/ |
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#Want to skip this test from daily Valgrind execution --source include/no_valgrind_without_big.inc # # Bug #56680 InnoDB may return wrong results from a case-insensitive index # -- source include/have_innodb.inc -- source include/have_innodb_zip.inc -- disable_query_log SET @tx_isolation_orig = @@tx_isolation; SET @innodb_file_per_table_orig = @@innodb_file_per_table; # The flag innodb_change_buffering_debug is only available in debug builds. # It instructs InnoDB to try to evict pages from the buffer pool when # change buffering is possible, so that the change buffer will be used # whenever possible. -- error 0,ER_UNKNOWN_SYSTEM_VARIABLE SET @innodb_change_buffering_debug_orig = @@innodb_change_buffering_debug; -- error 0,ER_UNKNOWN_SYSTEM_VARIABLE SET GLOBAL innodb_change_buffering_debug = 1; -- enable_query_log SET GLOBAL tx_isolation='REPEATABLE-READ'; SET GLOBAL innodb_file_per_table=on; CREATE TABLE bug56680( a INT AUTO_INCREMENT PRIMARY KEY, b CHAR(1), c INT, INDEX(b)) ENGINE=InnoDB STATS_PERSISTENT=0; INSERT INTO bug56680 VALUES(0,'x',1); BEGIN; SELECT b FROM bug56680; connect (con1,localhost,root,,); connection con1; BEGIN; UPDATE bug56680 SET b='X'; connection default; # This should return the last committed value 'x', but would return 'X' # due to a bug in row_search_for_mysql(). SELECT b FROM bug56680; # This would always return the last committed value 'x'. SELECT * FROM bug56680; connection con1; ROLLBACK; disconnect con1; connection default; SELECT b FROM bug56680; # For the rest of this test, use the READ UNCOMMITTED isolation level # to see what exists in the secondary index. SET GLOBAL tx_isolation='READ-UNCOMMITTED'; # Create enough rows for the table, so that the insert buffer will be # used for modifying the secondary index page. There must be multiple # index pages, because changes to the root page are never buffered. INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; INSERT INTO bug56680 SELECT 0,b,c FROM bug56680; BEGIN; SELECT b FROM bug56680 LIMIT 2; connect (con1,localhost,root,,); connection con1; BEGIN; DELETE FROM bug56680 WHERE a=1; # This should be buffered, if innodb_change_buffering_debug = 1 is in effect. INSERT INTO bug56680 VALUES(1,'X',1); # This should force an insert buffer merge, and return 'X' in the first row. SELECT b FROM bug56680 LIMIT 3; connection default; SELECT b FROM bug56680 LIMIT 2; CHECK TABLE bug56680; connection con1; ROLLBACK; SELECT b FROM bug56680 LIMIT 2; CHECK TABLE bug56680; connection default; disconnect con1; SELECT b FROM bug56680 LIMIT 2; CREATE TABLE bug56680_2( a INT AUTO_INCREMENT PRIMARY KEY, b VARCHAR(2) CHARSET latin1 COLLATE latin1_german2_ci, c INT, INDEX(b)) ENGINE=InnoDB STATS_PERSISTENT=0; INSERT INTO bug56680_2 SELECT 0,_latin1 0xdf,c FROM bug56680; BEGIN; SELECT HEX(b) FROM bug56680_2 LIMIT 2; DELETE FROM bug56680_2 WHERE a=1; # This should be buffered, if innodb_change_buffering_debug = 1 is in effect. INSERT INTO bug56680_2 VALUES(1,'SS',1); # This should force an insert buffer merge, and return 'SS' in the first row. SELECT HEX(b) FROM bug56680_2 LIMIT 3; CHECK TABLE bug56680_2; # Test this with compressed tables. ALTER TABLE bug56680_2 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1; SELECT HEX(b) FROM bug56680_2 LIMIT 2; DELETE FROM bug56680_2 WHERE a=1; # This should be buffered, if innodb_change_buffering_debug = 1 is in effect. INSERT INTO bug56680_2 VALUES(1,_latin1 0xdf,1); # This should force an insert buffer merge, and return 0xdf in the first row. SELECT HEX(b) FROM bug56680_2 LIMIT 3; CHECK TABLE bug56680_2; DROP TABLE bug56680_2; DROP TABLE bug56680; -- disable_query_log SET GLOBAL tx_isolation = @tx_isolation_orig; SET GLOBAL innodb_file_per_table = @innodb_file_per_table_orig; -- error 0, ER_UNKNOWN_SYSTEM_VARIABLE SET GLOBAL innodb_change_buffering_debug = @innodb_change_buffering_debug_orig;