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MDEV-30681 SIGFPE / UBSAN runtime error: division by zero in String::needs_conversion on ALTER

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The problem was earlier fixed by MDEV-30805. Adding an MTR test only.
This commit is contained in:
Alexander Barkov
2023-07-17 06:52:18 +04:00
parent b27167c6d6
commit 42738f5f4d
2 changed files with 23 additions and 0 deletions
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11
mysql-test/main/partition_charset.test
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@ -43,6 +43,17 @@ ALTER TABLE t1 CHANGE COLUMN a a CHAR BINARY;
SHOW CREATE TABLE t1;
DROP TABLE t1;
--echo #
--echo # MDEV-30681 SIGFPE / UBSAN runtime error: division by zero in String::needs_conversion on ALTER
--echo #
CREATE TABLE t1 (a BINARY (10)) PARTITION BY LIST COLUMNS (a) (PARTITION p VALUES IN (0xFF));
SELECT COLUMN_TYPE, COLLATION_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='t1';
ALTER TABLE t1 CHANGE COLUMN a a CHAR(10) BINARY;
SELECT COLUMN_TYPE, COLLATION_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='t1';
DROP TABLE t1;
--echo #
--echo # End of 10.9 tests
--echo #