Merge pull request #5182 from taosdata/hotfix/TD-2956

[TD-2956]fix case issue

tests/script/general/parser/columnValue_unsign.sim

@@ -83,7 +83,7 @@ if $data03 != NULL then
 endi
 
 sql insert into mt_unsigned_1 values(now, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
-sql insert into mt_unsigned_1 values(now, 1, 2, 3, 4, 5, 6, 7, 8, 9);
+sql insert into mt_unsigned_1 values(now+1s, 1, 2, 3, 4, 5, 6, 7, 8, 9);
 
 sql_error insert into mt_unsigned_1 values(now, -1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
 sql_error insert into mt_unsigned_1 values(now, NULL, -1, NULL, NULL, NULL, NULL, NULL, NULL, NULL);