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--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--source include/count_sessions.inc
SET DEBUG_SYNC = 'RESET';
--echo #
--echo # Bug#15863023 SUPPORT IN-PLACE EXTENSION OF VARCHAR COLUMN
--echo #
create table t1 (a SERIAL PRIMARY KEY, c varchar(2) UNIQUE) ENGINE=InnoDB;
INSERT INTO t1 (c) VALUES('a'),('bb');
--enable_info
SET DEBUG = '+d,ib_rename_column_error';
--error ER_RECORD_FILE_FULL
ALTER TABLE t1 CHANGE c b varchar(2), drop index c, add index (b,a);
SET DEBUG = '-d,ib_rename_column_error';
ALTER TABLE t1 CHANGE c b varchar(2), drop index c, add index (b,a);
SET DEBUG = '+d,ib_resize_column_error';
--error ER_RECORD_FILE_FULL
ALTER TABLE t1 CHANGE b fail varchar(4);
SET DEBUG = '-d,ib_resize_column_error';
ALTER TABLE t1 CHANGE b c varchar(4);
--disable_info
INSERT IGNORE INTO t1 (c) VALUES('eeeee'),('ffffff');
INSERT INTO t1 (c) VALUES('ccc'),('dddd');
SELECT * FROM t1 ORDER BY c;
DROP TABLE t1;
--echo # Bug#15863023 - case1
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b VARCHAR(254)) ENGINE = Innodb;
INSERT IGNORE INTO t1 (b) VALUES (repeat('a',254)),(repeat('b',254)),(repeat('c',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
connect (con1,localhost,root,,);
connection con1;
SET DEBUG_SYNC = 'innodb_commit_inplace_alter_table_enter SIGNAL s1 WAIT_FOR s2';
--send ALTER TABLE t1 CHANGE b b varchar(255);
connection default;
# DML no go through in paralle as whole operation happen during
# commit_inplace_alter_table, under an exclusive MDL
SET lock_wait_timeout = 1;
SET DEBUG_SYNC='now WAIT_FOR s1';
--error ER_LOCK_WAIT_TIMEOUT
INSERT INTO t1 (b) VALUES (repeat('d',300));
--error ER_LOCK_WAIT_TIMEOUT
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
--error ER_LOCK_WAIT_TIMEOUT
UPDATE t1 SET b = repeat('y',300) WHERE b = repeat('a',254) ;
--error ER_LOCK_WAIT_TIMEOUT
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
--error ER_LOCK_WAIT_TIMEOUT
DELETE FROM t1 WHERE b = repeat('y',254);
--error ER_LOCK_WAIT_TIMEOUT
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
SET DEBUG_SYNC='now SIGNAL s2';
connection con1;
reap;
SHOW CREATE TABLE t1;
disconnect con1;
connection default;
INSERT IGNORE INTO t1 (b) VALUES (repeat('d',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('a',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',255);
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DROP TABLE t1;
--echo # Bug#15863023 - case2 . enlarge varchar with add.drop index/column
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (a INT , b VARCHAR(254)) ENGINE=Innodb;
INSERT IGNORE INTO t1 (a,b) VALUES (1,repeat('a',254)),(2,repeat('b',254)),(3,repeat('c',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
connect (con1,localhost,root,,);
connection con1;
SET DEBUG_SYNC = 'row_log_apply_before SIGNAL s1 WAIT_FOR s2';
--send ALTER TABLE t1 ADD INDEX idx(b),CHANGE b b varchar(255) ,ALGORITHM=INPLACE;
connection default;
# DML go through
SET DEBUG_SYNC='now WAIT_FOR s1';
INSERT IGNORE INTO t1 (a,b) VALUES (4,repeat('d',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('a',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',254);
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
SET DEBUG_SYNC='now SIGNAL s2';
connection con1;
reap;
SHOW CREATE TABLE t1;
disconnect con1;
connection default;
INSERT IGNORE INTO t1 (a,b) VALUES (5,repeat('d',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('b',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',255);
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DROP TABLE t1;
--echo # Bug#15863023 - case3. enlarge varchar other alter operations+charset
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (a INT DEFAULT 100 , b VARCHAR(254) CHARACTER SET latin1,
c VARCHAR(254) CHARACTER SET utf8) ENGINE=Innodb CHARSET=utf8;
CREATE INDEX c1 ON t1(c);
INSERT IGNORE INTO t1 (a,b) VALUES (1,repeat('a',254)),(2,repeat('b',254)),(3,repeat('c',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
connect (con1,localhost,root,,);
connection con1;
SET DEBUG_SYNC = 'row_log_apply_before SIGNAL s1 WAIT_FOR s2';
--send ALTER TABLE t1 ADD INDEX idx(b),CHANGE b b varchar(255) CHARACTER SET latin1,CHANGE c c varchar(255) CHARACTER SET utf8,DROP INDEX c1 ,ALGORITHM=INPLACE;
connection default;
# DML go through
SET DEBUG_SYNC='now WAIT_FOR s1';
INSERT IGNORE INTO t1 (a,b) VALUES (4,repeat('d',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('a',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',254);
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
INSERT IGNORE INTO t1 (b,c) VALUES (repeat('z',300),"Môžem");
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
SET DEBUG_SYNC='now SIGNAL s2';
connection con1;
reap;
SHOW CREATE TABLE t1;
disconnect con1;
connection default;
INSERT IGNORE INTO t1 (a,b,c) VALUES (5,repeat('d',300),"Môžem");
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('b',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',255);
SELECT a,LEFT(b,10),LENGTH(b) = 254,c FROM t1 ORDER BY a;
DROP TABLE t1;
--echo # Bug#15863023 - case4. enlarge varchar other alter operations runs copy
--echo # if length is more than 255
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (a INT DEFAULT 100 , b VARCHAR(254) CHARACTER SET latin1,
c VARCHAR(254) CHARACTER SET utf8, d CHAR(10) DEFAULT 'test') ENGINE=Innodb CHARSET=utf8;
CREATE INDEX c1 ON t1(c);
INSERT IGNORE INTO t1 (a,b) VALUES (1,repeat('a',254)),(2,repeat('b',254)),(3,repeat('c',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
# increase size > 255
--ERROR ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 ADD INDEX idx(b),CHANGE b b varchar(256) CHARACTER SET latin1,CHANGE c c varchar(256) CHARACTER SET utf8,DROP INDEX c1 ,ALGORITHM=INPLACE;
# can not enlarge change size of char inplace
--ERROR ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 ADD INDEX idx(b),CHANGE d d char(100) ,ALGORITHM=INPLACE;
# can not change column type inplace
--ERROR ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 ADD INDEX idx1(b),CHANGE d d VARCHAR(100) ,ALGORITHM=INPLACE;
ALTER TABLE t1 ADD INDEX idx(b),CHANGE b b varchar(355) CHARACTER SET latin1,CHANGE c c varchar(255) CHARACTER SET utf8,DROP INDEX c1 ;
DROP TABLE t1;
--echo # Bug#15863023 - case6 enlarge varchar other
--echo # alter operations with fk on parent
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(254) ) ENGINE=Innodb;
CREATE TABLE t2 (a2 INT , b2 VARCHAR(254) , CONSTRAINT fk FOREIGN KEY (a2) REFERENCES t1 (a) ON UPDATE CASCADE ON DELETE CASCADE) ENGINE=Innodb;
INSERT IGNORE INTO t1 (a,b) VALUES (1,repeat('a',254)),(2,repeat('b',254)),(3,repeat('c',300));
INSERT IGNORE INTO t2 (a2,b2) VALUES (1,repeat('a',254)),(2,repeat('b',254)),(3,repeat('c',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1,t2 WHERE t1.a = t2.a2 ORDER BY a;
connect (con1,localhost,root,,);
connection con1;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t2 CHANGE b2 b2 varchar(255),DROP FOREIGN KEY fk,ADD CONSTRAINT fk FOREIGN KEY (b2) REFERENCES t1 (b),ADD INDEX idx(a2) ,ALGORITHM=INPLACE;
SET DEBUG_SYNC = 'row_log_apply_before SIGNAL s1 WAIT_FOR s2';
--send ALTER TABLE t1 ADD INDEX idx(a),CHANGE b b varchar(255) ,ALGORITHM=INPLACE;
connection default;
# DML go through
SET DEBUG_SYNC='now WAIT_FOR s1';
INSERT IGNORE INTO t1 (a,b) VALUES (4,repeat('d',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('a',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',254);
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
SET DEBUG_SYNC='now SIGNAL s2';
connection con1;
reap;
SET foreign_key_checks = 1;
SHOW CREATE TABLE t1;
disconnect con1;
connection default;
INSERT IGNORE INTO t1 (a,b) VALUES (5,repeat('k',300));
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
UPDATE IGNORE t1 SET b = repeat('y',300) WHERE b = repeat('b',254) ;
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DELETE FROM t1 WHERE b = repeat('y',255);
SELECT a,LEFT(b,10),LENGTH(b) = 254 FROM t1 ORDER BY a;
DROP TABLE t2,t1;
SET DEBUG_SYNC = 'RESET';
--source include/wait_until_count_sessions.inc