diff options
Diffstat (limited to 'mysql-test/t/alter_table.test')
-rw-r--r-- | mysql-test/t/alter_table.test | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test index 97cef0b5794..df077c800d2 100644 --- a/mysql-test/t/alter_table.test +++ b/mysql-test/t/alter_table.test @@ -1296,6 +1296,56 @@ MODIFY COLUMN `consultant_id` BIGINT; SHOW CREATE TABLE t1; DROP TABLE t1; +--echo # +--echo # BUG#27788685: NO WARNING WHEN TRUNCATING A STRING WITH DATA LOSS +--echo # + +SET GLOBAL max_allowed_packet=17825792; + +--connect(con1, localhost, root,,) +CREATE TABLE t1 (t1_fld1 TEXT); +CREATE TABLE t2 (t2_fld1 MEDIUMTEXT); +CREATE TABLE t3 (t3_fld1 LONGTEXT); + +INSERT INTO t1 VALUES (REPEAT('a',300)); +INSERT INTO t2 VALUES (REPEAT('b',65680)); +INSERT INTO t3 VALUES (REPEAT('c',16777300)); + +SELECT LENGTH(t1_fld1) FROM t1; +SELECT LENGTH(t2_fld1) FROM t2; +SELECT LENGTH(t3_fld1) FROM t3; + +--echo # With strict mode +SET SQL_MODE='STRICT_ALL_TABLES'; + +--error ER_DATA_TOO_LONG +ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT; +--error ER_DATA_TOO_LONG +ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT; +--error ER_DATA_TOO_LONG +ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT; + +--echo # With non-strict mode +SET SQL_MODE=''; + +ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT; +ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT; +ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT; + +SELECT LENGTH(my_t1_fld1) FROM t1; +SELECT LENGTH(my_t2_fld1) FROM t2; +SELECT LENGTH(my_t3_fld1) FROM t3; + +# Cleanup +--disconnect con1 +--source include/wait_until_disconnected.inc + +--connection default +DROP TABLE t1, t2, t3; + +SET SQL_MODE=default; +SET GLOBAL max_allowed_packet=default; + # # Test of ALTER TABLE IF [NOT] EXISTS # |