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Bug#25197 repeat function returns null when using table field directly as count

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- Return empty string also if count is unsigned and value is 0


mysql-test/r/func_str.result:
  Update test result
mysql-test/t/func_str.test:
  Add test case for using an unsigned value as count parameter
  for REPEAT
sql/item_strfunc.cc:
  The repeat function should return the emptystring if
  count is unsigned and equal to zero or
  count is signed and less than or equal to zero
This commit is contained in:
unknown
2007-02-23 10:28:50 +01:00
parent b3d96f7972
commit d79f0973ce
3 changed files with 39 additions and 1 deletions
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22
mysql-test/t/func_str.test
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@ -1008,4 +1008,26 @@ select repeat('a', cast(2 as unsigned int));
select rpad('abc', cast(5 as unsigned integer), 'x');
select lpad('abc', cast(5 as unsigned integer), 'x');
#
# Bug #25197 :repeat function returns null when using table field directly as count
#
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE `t1` (
`id` varchar(20) NOT NULL,
`tire` tinyint(3) unsigned NOT NULL,
PRIMARY KEY (`id`)
);
INSERT INTO `t1` (`id`, `tire`) VALUES ('A', 0), ('B', 1),('C', 2);
SELECT REPEAT( '#', tire ) AS A,
REPEAT( '#', tire % 999 ) AS B, tire FROM `t1`;
DROP TABLE t1;
--echo End of 5.0 tests