diff --git a/mysql-test/r/func_str.result b/mysql-test/r/func_str.result index e06e7ffe00c..92265c77984 100644 --- a/mysql-test/r/func_str.result +++ b/mysql-test/r/func_str.result @@ -1964,6 +1964,15 @@ A B tire 0 # # 1 ## ## 2 +SELECT REPEAT('0', CAST(0 AS UNSIGNED)); +REPEAT('0', CAST(0 AS UNSIGNED)) + +SELECT REPEAT('0', -2); +REPEAT('0', -2) + +SELECT REPEAT('0', 2); +REPEAT('0', 2) +00 DROP TABLE t1; SELECT UNHEX('G'); UNHEX('G') diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test index d42be70c057..0e4b404fe3a 100644 --- a/mysql-test/t/func_str.test +++ b/mysql-test/t/func_str.test @@ -1038,6 +1038,10 @@ 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`; +SELECT REPEAT('0', CAST(0 AS UNSIGNED)); +SELECT REPEAT('0', -2); +SELECT REPEAT('0', 2); + DROP TABLE t1; # diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index 6b1921e5bc8..a7075a5c3a0 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -2242,7 +2242,7 @@ String *Item_func_repeat::val_str(String *str) goto err; // string and/or delim are null null_value= 0; - if (count == 0 || count < 0 && !args[1]->unsigned_flag) + if (count <= 0 && (count == 0 || !args[1]->unsigned_flag)) return &my_empty_string; /* Assumes that the maximum length of a String is < INT_MAX32. */