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Diffstat (limited to 'mysql-test/suite/innodb/t')
-rw-r--r-- | mysql-test/suite/innodb/t/instant_alter_charset.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/instant_alter_charset.test b/mysql-test/suite/innodb/t/instant_alter_charset.test index 82ae1040f57..270db2d6462 100644 --- a/mysql-test/suite/innodb/t/instant_alter_charset.test +++ b/mysql-test/suite/innodb/t/instant_alter_charset.test @@ -715,3 +715,18 @@ alter table t modify c varchar(10) collate latin1_general_cs, algorithm=instant; check table t; drop table t; + +--echo # +--echo # MDEV-20726: InnoDB: Assertion failure in file data0type.cc line 67 +--echo # + +CREATE TABLE t ( + id int(10) unsigned NOT NULL PRIMARY KEY, + a text CHARSET utf8mb3, + KEY a_idx(a(1)) +) ENGINE=InnoDB; + +INSERT INTO t VALUES (1, 'something in the air'); +ALTER TABLE t MODIFY a text CHARSET utf8mb4; + +DROP TABLE t; |