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-rw-r--r--mysql-test/t/bigint.test4
1 files changed, 4 insertions, 0 deletions
diff --git a/mysql-test/t/bigint.test b/mysql-test/t/bigint.test
index 52ae9ad35db..27ac346825b 100644
--- a/mysql-test/t/bigint.test
+++ b/mysql-test/t/bigint.test
@@ -29,3 +29,7 @@ alter table t1 modify big bigint not null;
select min(big),max(big),max(big)-1 from t1;
select min(big),max(big),max(big)-1 from t1 group by a;
drop table t1;
+
+select UNSIGNED 1-2;
+select SIGNED (UNSIGNED 1-2);
+select UNSIGNED '-1';