diff --git a/mysql-test/r/type_datetime.result b/mysql-test/r/type_datetime.result index 9b18f250d21..1f0965a105f 100644 --- a/mysql-test/r/type_datetime.result +++ b/mysql-test/r/type_datetime.result @@ -637,4 +637,15 @@ CAST(CAST('2008-07-29T10:42:51.1234567' AS DateTime) AS DECIMAL(30,7)) 20080729104251.1234560 Warnings: Warning 1292 Truncated incorrect datetime value: '2008-07-29T10:42:51.1234567' +# +# Bug#59173: Failure to handle DATE(TIME) values where Year, Month or +# Day is ZERO +# +CREATE TABLE t1 (dt1 DATETIME); +INSERT INTO t1 (dt1) VALUES ('0000-00-01 00:00:01'); +DELETE FROM t1 WHERE dt1 = '0000-00-01 00:00:01'; +# Should be empty +SELECT * FROM t1; +dt1 +DROP TABLE t1; End of 5.1 tests diff --git a/mysql-test/t/type_datetime.test b/mysql-test/t/type_datetime.test index d4fa6bed186..43dafc371dc 100644 --- a/mysql-test/t/type_datetime.test +++ b/mysql-test/t/type_datetime.test @@ -445,4 +445,15 @@ SELECT CAST(CAST('00000002006-000008-0000010 000010:0000011:00000012.012345' AS # show we truncate microseconds from the right SELECT CAST(CAST('2008-07-29T10:42:51.1234567' AS DateTime) AS DECIMAL(30,7)); +--echo # +--echo # Bug#59173: Failure to handle DATE(TIME) values where Year, Month or +--echo # Day is ZERO +--echo # +CREATE TABLE t1 (dt1 DATETIME); +INSERT INTO t1 (dt1) VALUES ('0000-00-01 00:00:01'); +DELETE FROM t1 WHERE dt1 = '0000-00-01 00:00:01'; +--echo # Should be empty +SELECT * FROM t1; +DROP TABLE t1; + --echo End of 5.1 tests diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index d2e1ebbb3a1..40056cfd1ef 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -913,7 +913,7 @@ int Arg_comparator::set_cmp_func(Item_result_field *owner_arg, cache_converted_constant can't be used here because it can't correctly convert a DATETIME value from string to int representation. */ - Item_cache_int *cache= new Item_cache_int(); + Item_cache_int *cache= new Item_cache_int(MYSQL_TYPE_DATETIME); /* Mark the cache as non-const to prevent re-caching. */ cache->set_used_tables(1); if (!(*a)->is_datetime())