1--echo #
2--echo # Bug #29300049 / #94176 "handle_fatal_signal (sig=11) in destroy"
3--echo # fixed in 5.7.27, 8.0.17
4--echo # HANDLER statements did not always work correctly with tables having
5--echo # generated columns.
6--echo #
7
8CREATE TABLE t1(
9  a CHAR(1),
10  b JSON AS(a NOT IN ('0', '1')) STORED
11);
12INSERT INTO t1(a) VALUES (NULL);
13HANDLER t1 OPEN;
14ALTER TABLE t1 CHANGE COLUMN a a CHAR(2);
15DROP TABLE t1;
16