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Diffstat (limited to 'mysql-test/t/update.test')
| -rw-r--r-- | mysql-test/t/update.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/t/update.test b/mysql-test/t/update.test index 09d32966c50..05f9ce39bec 100644 --- a/mysql-test/t/update.test +++ b/mysql-test/t/update.test @@ -506,6 +506,21 @@ DROP VIEW v1; DROP FUNCTION f1; DROP TABLE t1; +--echo # Bug #21143080: UPDATE ON VARCHAR AND TEXT COLUMNS PRODUCE INCORRECT +--echo # RESULTS + +CREATE TABLE t1 (a VARCHAR(50), b TEXT, c CHAR(50)) ENGINE=INNODB; + +INSERT INTO t1 (a, b, c) VALUES ('start trail', '', 'even longer string'); +UPDATE t1 SET b = a, a = 'inject'; +SELECT a, b FROM t1; +UPDATE t1 SET b = c, c = 'inject'; +SELECT c, b FROM t1; + +DROP TABLE t1; + +--echo # +--echo # MDEV-3948 Assertion `records_are_comparable(table)' fails in compare_record(const TABLE*) on UPDATE with simple AND condition, index_merge+index_merge_intersection, InnoDB --echo # --echo # Verify that UPDATE does the same number of handler_update --echo # operations, no matter if there is ORDER BY or not. |