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Fix for bug#23113: Different behavior on altering ENUM fields between 5.0 and 5.1

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Problem: mysqld doesn't detect that enum data must be reinserted performing
'ALTER TABLE' in some cases.

Fix: reinsert data altering an enum field if enum values are changed.
This commit is contained in:
Ramil Kalimullin
2008-10-24 13:00:03 +05:00
parent a4890f896c
commit adf630dcee
4 changed files with 53 additions and 12 deletions
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12
mysql-test/r/alter_table.result
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@ -1222,4 +1222,16 @@ ALTER TABLE t1 CHANGE d c varchar(10);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
CREATE TABLE t1(a INT AUTO_INCREMENT PRIMARY KEY,
b ENUM('a', 'b', 'c') NOT NULL);
INSERT INTO t1 (b) VALUES ('a'), ('c'), ('b'), ('b'), ('a');
ALTER TABLE t1 MODIFY b ENUM('a', 'z', 'b', 'c') NOT NULL;
SELECT * FROM t1;
a b
1 a
2 c
3 b
4 b
5 a
DROP TABLE t1;
End of 5.1 tests