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This commit is contained in:
Sergey Glukhov
2009-10-27 15:04:59 +04:00
parent f554a3c094 6ceaf234bb
commit 3823ac329e
4 changed files with 57 additions and 25 deletions
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15
mysql-test/t/alter_table.test
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@ -1046,4 +1046,19 @@ ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6','a7','a8','a9',
--disable_info
DROP TABLE t1;
#
# Bug#43508: Renaming timestamp or date column triggers table copy
#
CREATE TABLE t1 (f1 TIMESTAMP NULL DEFAULT NULL,
f2 INT(11) DEFAULT NULL) ENGINE=MYISAM DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES (NULL, NULL), ("2009-10-09 11:46:19", 2);
--echo this should affect no rows as there is no real change
--enable_info
ALTER TABLE t1 CHANGE COLUMN f1 f1_no_real_change TIMESTAMP NULL DEFAULT NULL;
--disable_info
DROP TABLE t1;
--echo End of 5.1 tests