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Diffstat (limited to 'mysql-test/t/cast.test')
| -rw-r--r-- | mysql-test/t/cast.test | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mysql-test/t/cast.test b/mysql-test/t/cast.test index 5563e260a06..50865215944 100644 --- a/mysql-test/t/cast.test +++ b/mysql-test/t/cast.test @@ -246,4 +246,26 @@ INSERT INTO t1(d1) VALUES ('2007-07-19 08:30:00'), (NULL), SELECT cast(date(d1) as signed) FROM t1; drop table t1; +# +# Bug #31990: MINUTE() and SECOND() return bogus results when used on a DATE +# + +# Show that HH:MM:SS of a DATE are 0, and that it's the same for columns +# and typecasts (NULL in, NULL out). +CREATE TABLE t1 (f1 DATE); +INSERT INTO t1 VALUES ('2007-07-19'), (NULL); +SELECT HOUR(f1), + MINUTE(f1), + SECOND(f1) FROM t1; +SELECT HOUR(CAST('2007-07-19' AS DATE)), + MINUTE(CAST('2007-07-19' AS DATE)), + SECOND(CAST('2007-07-19' AS DATE)); +SELECT HOUR(CAST(NULL AS DATE)), + MINUTE(CAST(NULL AS DATE)), + SECOND(CAST(NULL AS DATE)); +SELECT HOUR(NULL), + MINUTE(NULL), + SECOND(NULL); +DROP TABLE t1; + --echo End of 5.0 tests |