Server IP : 172.67.216.182 / Your IP : 162.158.88.11 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/t/ |
Upload File : |
--source include/have_innodb.inc --echo # --echo # Bug#15863023 SUPPORT IN-PLACE EXTENSION OF VARCHAR COLUMN --echo # CREATE TABLE t1 (pk VARCHAR(2) PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (fk VARCHAR(2), FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=InnoDB; INSERT INTO t1 VALUES ('aa'), ('bb'); INSERT INTO t2 VALUES ('aa'), ('bb'); ALTER TABLE t1 ALGORITHM=INPLACE, CHANGE COLUMN pk pk VARCHAR(5); INSERT INTO t1 VALUES ('co'); INSERT INTO t2 VALUES ('co'); INSERT IGNORE INTO t2 VALUES ('code'); ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(7); --error ER_NO_REFERENCED_ROW_2 INSERT INTO t2 VALUES ('code'); --error ER_NO_REFERENCED_ROW_2 INSERT INTO t2 VALUES ('coastal'); --error ER_NO_REFERENCED_ROW_2 INSERT INTO t2 VALUES ('coast'); INSERT INTO t1 VALUES ('coast'); --error ER_NO_REFERENCED_ROW_2 INSERT INTO t2 VALUES ('coastal'); INSERT INTO t2 VALUES ('coast'); DROP TABLE t2, t1; CREATE TABLE t1 (pk VARCHAR(2) PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (fk VARCHAR(2), CONSTRAINT fk FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=InnoDB; INSERT INTO t1 VALUES ('aa'), ('bb'); INSERT INTO t2 VALUES ('aa'), ('bb'); ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(6); ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(255); --echo # We cannot shrink the size or cross the 256-byte boundary. --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(6); --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(256); --echo # ALGORITHM=COPY has more limitations with FOREIGN KEY. --error ER_FK_COLUMN_CANNOT_CHANGE ALTER TABLE t2 CHANGE COLUMN fk fk VARCHAR(256); ALTER TABLE t2 ALGORITHM=INPLACE, DROP FOREIGN KEY fk; ALTER TABLE t2 CHANGE COLUMN fk fk VARCHAR(256); ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(300); SET sql_mode = 'NO_ENGINE_SUBSTITUTION'; --error ER_BLOB_KEY_WITHOUT_LENGTH ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(99999); ALTER TABLE t2 ALGORITHM=INPLACE, DROP INDEX fk; --echo # Type change from VARCHAR to BLOB is not supported. --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON ALTER TABLE t2 ALGORITHM=INPLACE, CHANGE COLUMN fk fk VARCHAR(99999); DROP TABLE t2, t1; SET sql_mode = default;