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-rw-r--r--mysql-test/suite/innodb/t/change_column_collation.test10
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/change_column_collation.test b/mysql-test/suite/innodb/t/change_column_collation.test
index f63d1974c72..9b811830d3f 100644
--- a/mysql-test/suite/innodb/t/change_column_collation.test
+++ b/mysql-test/suite/innodb/t/change_column_collation.test
@@ -122,4 +122,14 @@ ALTER TABLE t1 MODIFY msg_2 VARCHAR(100) CHARACTER SET utf8
COLLATE utf8_unicode_ci, ALGORITHM=inplace;
DROP TABLE t1;
+--echo #
+--echo # MDEV-29314 Assertion `n_fields > n_cols' failed
+--echo # in dict_index_t::init_change_cols
+--echo #
+CREATE TABLE t (a VARCHAR(16) COLLATE utf8_bin,
+ FULLTEXT (a)) ENGINE=InnoDB COLLATE utf8_unicode_520_ci;
+ALTER TABLE t MODIFY COLUMN a VARCHAR(512);
+SHOW CREATE TABLE t;
+DROP TABLE t;
+
--source include/wait_until_count_sessions.inc