diff options
Diffstat (limited to 'mysql-test/suite/innodb/r/instant_alter_charset.result')
| -rw-r--r-- | mysql-test/suite/innodb/r/instant_alter_charset.result | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/r/instant_alter_charset.result b/mysql-test/suite/innodb/r/instant_alter_charset.result index f486013a0f9..6d29cffa5c9 100644 --- a/mysql-test/suite/innodb/r/instant_alter_charset.result +++ b/mysql-test/suite/innodb/r/instant_alter_charset.result @@ -2043,3 +2043,36 @@ constraint a foreign key (id) references t1 (id) alter table t1 change id id2 int; drop table t2; drop table t1; +# +# MDEV-25951 MariaDB crash after ALTER TABLE convert to utf8mb4 +# +CREATE TABLE t1 (id INT PRIMARY KEY, a VARCHAR(32), KEY (a(7))) ENGINE=INNODB DEFAULT CHARSET=UTF8; +INSERT INTO t1 VALUES (1, 'a1'), (2, 'a1'); +ALTER TABLE t1 +CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci, +ADD UNIQUE INDEX test_key (a); +ERROR 23000: Duplicate entry 'a1' for key 'test_key' +ALTER TABLE t1 CONVERT TO CHARACTER SET UTF8MB4 COLLATE UTF8MB4_UNICODE_520_CI; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1; +id a +1 a1 +2 a1 +DROP TABLE t1; +CREATE TABLE t1 (id INT PRIMARY KEY, a CHAR(32), KEY (a(7))) ENGINE=INNODB DEFAULT CHARSET=UTF8; +INSERT INTO t1 VALUES (1, 'a1'), (2, 'a1'); +ALTER TABLE t1 +CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci, +ADD UNIQUE INDEX test_key (a); +ERROR 23000: Duplicate entry 'a1' for key 'test_key' +ALTER TABLE t1 CONVERT TO CHARACTER SET UTF8MB4 COLLATE UTF8MB4_UNICODE_520_CI; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1; +id a +1 a1 +2 a1 +DROP TABLE t1; |