mariadb/mysql-test/suite/innodb/t/innodb-alter-timestamp.test

--source include/have_innodb.inc

CREATE TABLE t1 (i1 INT UNSIGNED NULL DEFAULT 42) ENGINE=innodb;
INSERT INTO t1 VALUES(NULL);
--enable_info
--error WARN_DATA_TRUNCATED
ALTER TABLE t1 CHANGE i1 i1 INT UNSIGNED NOT NULL DEFAULT rand(),
ALGORITHM=INPLACE;
--error WARN_DATA_TRUNCATED
ALTER TABLE t1 CHANGE i1 i1 INT UNSIGNED NOT NULL DEFAULT rand(),
ALGORITHM=COPY;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
ALTER TABLE t1 CHANGE i1 id INT UNSIGNED NOT NULL AUTO_INCREMENT,
ADD PRIMARY KEY(id), ALGORITHM=INPLACE;
ALTER IGNORE TABLE t1 ADD PRIMARY KEY(i1), ALGORITHM=INPLACE;
ALTER TABLE t1 CHANGE i1 id INT UNSIGNED NOT NULL AUTO_INCREMENT;
--disable_info
SELECT * FROM t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1 (i1 INT UNSIGNED NOT NULL, d1 TIMESTAMP NULL) ENGINE=InnoDB;

SHOW CREATE TABLE t1;

INSERT INTO t1 (i1) VALUES (1), (2), (3), (4), (5);
select * from t1;
set sql_mode = 'STRICT_ALL_TABLES,NO_ZERO_DATE';
ALTER TABLE t1 CHANGE d1 d1 TIMESTAMP NULL DEFAULT '2017-05-08 16:23:45',
ALGORITHM=INPLACE;
SELECT DISTINCT d1 FROM t1;
ALTER TABLE t1 CHANGE d1 d1 TIMESTAMP NULL DEFAULT '2017-05-08 16:32:45',
ALGORITHM=COPY;
SELECT DISTINCT d1 FROM t1;
--enable_info
ALTER TABLE t1 CHANGE d1 d1 TIMESTAMP DEFAULT '2017-05-08 16:32:54';
--disable_info
--echo # Note: NULL was changed to CURRENT_TIMESTAMP(),
--echo # not the specified constant DEFAULT value!
SELECT COUNT(DISTINCT d1),COUNT(d1),COUNT(*) FROM t1;
SELECT DISTINCT (CURRENT_TIMESTAMP()-d1) <= 60 FROM t1;
drop table t1;

CREATE TABLE t1 (
  `i1` INT(10) UNSIGNED NOT NULL,
  `d1` TIMESTAMP NULL DEFAULT NULL
) ENGINE=innodb;
INSERT INTO t1 (i1) VALUES (1), (2), (3), (4), (5);
--enable_info
ALTER TABLE t1 CHANGE d1 d1 TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;
ALTER TABLE t1 ADD COLUMN w1 varchar(20) NULL DEFAULT USER();
ALTER TABLE t1 CHANGE w1 u1 varchar(30) NULL DEFAULT substr(USER(),1);
--disable_info
SELECT u1, COUNT(DISTINCT d1) FROM t1 GROUP BY u1;

--enable_info
ALTER TABLE t1 ADD COLUMN d2 TIMESTAMP DEFAULT '2017-05-08 16:23:45',
LOCK=NONE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE t1 ADD COLUMN d3 TIMESTAMP DEFAULT d1, LOCK=NONE;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
ALTER TABLE t1 ADD COLUMN d3 TIMESTAMP DEFAULT d1, ALGORITHM=INPLACE;
ALTER TABLE t1 ADD COLUMN d3 TIMESTAMP DEFAULT d1;
--disable_info
SELECT d1-d3, d2 FROM t1;
SHOW CREATE TABLE t1;
--enable_info
ALTER TABLE t1 ADD COLUMN d4 TIMESTAMP DEFAULT CURRENT_TIMESTAMP;
--disable_info
SELECT COUNT(DISTINCT d4),COUNT(d4),COUNT(*) FROM t1;
SELECT DISTINCT (CURRENT_TIMESTAMP()-d4) <= 60 FROM t1;
DROP TABLE t1;