diff --git a/tests/script/general/compute/string_funcs.sim b/tests/script/general/compute/string_funcs.sim
new file mode 100644
index 0000000000000000000000000000000000000000..8a303e7d8acacab0f63d4a3a4ab8630e69d97120
--- /dev/null
+++ b/tests/script/general/compute/string_funcs.sim
@@ -0,0 +1,99 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c walLevel -v 1
+system sh/cfg.sh -n dnode1 -c maxtablespervnode -v 6
+system sh/cfg.sh -n dnode1 -c cache -v 1
+system sh/cfg.sh -n dnode1 -c minRows -v 10
+system sh/exec.sh -n dnode1 -s start
+
+sleep 100
+sql connect
+
+sql drop database if exists db
+sql create database if not exists db 
+sql use db
+sql create table stb1 (ts timestamp, c1 bool, c2 tinyint, c3 smallint, c4 int, c5 bigint, c6 float, c7 double, c8 binary(10), c9 nchar(10), c10 tinyint unsigned, c11 smallint unsigned, c12 int unsigned, c13 bigint unsigned, c14 binary(2), c15 nchar(3)) TAGS(t1 int, t2 binary(10), t3 double);
+
+sql create table tb1 using stb1 tags(1,'1',1.0);
+sql create table tb2 using stb1 tags(2,'2',2.0);
+sql create table tb3 using stb1 tags(3,'3',3.0);
+
+sql insert into tb1 values ('2021-11-11 09:00:00',true,1,1,1,1,1,1,"123","1234",1,1,1,1,'1','1');
+sql insert into tb1 values ('2021-11-11 09:00:01',true,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
+sql insert into tb1 values ('2021-11-11 09:00:02',true,2,NULL,2,NULL,2,NULL,"234",NULL,2,NULL,2,NULL,'2',NULL);
+sql insert into tb1 values ('2021-11-11 09:00:03',false,NULL,3,NULL,3,NULL,3,NULL,"3456",NULL,3,NULL,3,NULL,'3');
+sql insert into tb1 values ('2021-11-11 09:00:04',true,4,4,4,4,4,4,"456","4567",4,4,4,4,'4','4');
+sql insert into tb1 values ('2021-11-11 09:00:05',true,127,32767,2147483647,9223372036854775807,3.402823466e+38,1.79769e+308,"567","5678",254,65534,4294967294,9223372036854775807,'27','278');
+sql insert into tb1 values ('2021-11-11 09:00:06',true,-127,-32767,-2147483647,-9223372036854775807,-3.402823466e+38,-1.79769e+308,"678","6789",0,0,0,0,'','');
+
+sql insert into tb2 values ('2021-11-11 09:00:00',true,1,1,1,1,1,1,"111","1111",1,1,1,1,'1','1');
+sql insert into tb2 values ('2021-11-11 09:00:01',true,2,2,2,2,2,2,"222","2222",2,2,2,2,'2','2');
+sql insert into tb2 values ('2021-11-11 09:00:02',true,3,3,2,3,3,3,"333","3333",3,3,3,3,'3','3');
+sql insert into tb2 values ('2021-11-11 09:00:03',false,4,4,4,4,4,4,"444","4444",4,4,4,4,'4','4');
+sql insert into tb2 values ('2021-11-11 09:00:04',true,5,5,5,5,5,5,"555","5555",5,5,5,5,'5','5');
+sql insert into tb2 values ('2021-11-11 09:00:05',true,6,6,6,6,6,6,"666","6666",6,6,6,6,'6','6');
+sql insert into tb2 values ('2021-11-11 09:00:06',true,7,7,7,7,7,7,"777","7777",7,7,7,7,'7','7');
+
+sql create table tbn (ts timestamp, c1 bool, c2 tinyint, c3 smallint, c4 int, c5 bigint, c6 float, c7 double, c8 binary(10), c9 nchar(10), c10 tinyint unsigned, c11 smallint unsigned, c12 int unsigned, c13 bigint unsigned, c14 binary(2), c15 nchar(3));
+
+sql insert into tbn values ('2021-11-11 09:00:00',true,1,1,1,1,1,1,"111","1111",1,1,1,1,'1','1');
+sql insert into tbn values ('2021-11-11 09:00:01',true,2,2,2,2,2,2,"222","2222",2,2,2,2,'2','2');
+sql insert into tbn values ('2021-11-11 09:00:02',true,3,3,2,3,3,3,"333","3333",3,3,3,3,'3','3');
+sql insert into tbn values ('2021-11-11 09:00:03',false,4,4,4,4,4,4,"444","4444",4,4,4,4,'4','4');
+sql insert into tbn values ('2021-11-11 09:00:04',true,5,5,5,5,5,5,"555","5555",5,5,5,5,'5','5');
+sql insert into tbn values ('2021-11-11 09:00:05',true,6,6,6,6,6,6,"666","6666",6,6,6,6,'6','6');
+sql insert into tbn values ('2021-11-11 09:00:06',true,7,7,7,7,7,7,"777","7777",7,7,7,7,'7','7');
+
+
+sql create table stba (ts timestamp, c1 bool, c2 tinyint, c3 smallint, c4 int, c5 bigint, c6 float, c7 double, c8 binary(10), c9 nchar(10), c10 tinyint unsigned, c11 smallint unsigned, c12 int unsigned, c13 bigint unsigned, c14 binary(2), c15 nchar(3)) TAGS(t1 int, t2 binary(10), t3 double);
+
+sql create table tba1 using stba tags(1,'1',1.0);
+
+sql insert into tba1 values ('2021-11-11 09:00:00',true, 1,1,1,1,1,1,"111","1111",1,1,1,1,'1','1');
+sql insert into tba1 values ('2021-11-11 09:00:01',true, 2,2,2,2,2,2,"222","2222",2,2,2,2,'2','2');
+sql insert into tba1 values ('2021-11-11 09:00:02',true, 3,3,2,3,3,3,"333","3333",3,3,3,3,'3','3');
+sql insert into tba1 values ('2021-11-11 09:00:03',false,4,4,4,4,4,4,"444","4444",4,4,4,4,'4','4');
+sql insert into tba1 values ('2021-11-11 09:00:04',true, 5,5,5,5,5,5,"555","5555",5,5,5,5,'5','5');
+sql insert into tba1 values ('2021-11-11 09:00:05',true, 6,6,6,6,6,6,"666","6666",6,6,6,6,'6','6');
+sql insert into tba1 values ('2021-11-11 09:00:06',true, 7,7,7,7,7,7,"777","7777",7,7,7,7,'7','7');
+sql insert into tba1 values ('2021-11-11 09:00:07',true, 8,8,8,8,8,8,"888","8888",8,8,8,8,'8','8');
+sql insert into tba1 values ('2021-11-11 09:00:08',true, 9,9,9,9,9,9,"999","9999",9,9,9,9,'9','9');
+sql insert into tba1 values ('2021-11-11 09:00:09',true, 0,0,0,0,0,0,"000","0000",0,0,0,0,'0','0');
+
+print ================== restart server to commit data into disk
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+print ================== server restart completed
+
+sql insert into tba1 values ('2021-11-11 09:00:10',true, 1,1,1,1,1,1,"111","1111",1,1,1,1,'1','1');
+sql insert into tba1 values ('2021-11-11 09:00:11',true, 2,2,2,2,2,2,"222","2222",2,2,2,2,'2','2');
+sql insert into tba1 values ('2021-11-11 09:00:12',true, 3,3,2,3,3,3,"333","3333",3,3,3,3,'3','3');
+sql insert into tba1 values ('2021-11-11 09:00:13',false,4,4,4,4,4,4,"444","4444",4,4,4,4,'4','4');
+sql insert into tba1 values ('2021-11-11 09:00:14',true, 5,5,5,5,5,5,"555","5555",5,5,5,5,'5','5');
+sql insert into tba1 values ('2021-11-11 09:00:15',true, 6,6,6,6,6,6,"666","6666",6,6,6,6,'6','6');
+sql insert into tba1 values ('2021-11-11 09:00:16',true, 7,7,7,7,7,7,"777","7777",7,7,7,7,'7','7');
+sql insert into tba1 values ('2021-11-11 09:00:17',true, 8,8,8,8,8,8,"888","8888",8,8,8,8,'8','8');
+sql insert into tba1 values ('2021-11-11 09:00:18',true, 9,9,9,9,9,9,"999","9999",9,9,9,9,'9','9');
+sql insert into tba1 values ('2021-11-11 09:00:19',true, 0,0,0,0,0,0,"000","0000",0,0,0,0,'0','0');
+
+print ================== restart server to commit data into disk
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+print ================== server restart completed
+
+sql insert into tba1 values ('2021-11-11 09:00:20',true, 1,1,1,1,1,1,"111","1111",1,1,1,1,'1','1');
+sql insert into tba1 values ('2021-11-11 09:00:21',true, 2,2,2,2,2,2,"222","2222",2,2,2,2,'2','2');
+sql insert into tba1 values ('2021-11-11 09:00:22',true, 3,3,2,3,3,3,"333","3333",3,3,3,3,'3','3');
+sql insert into tba1 values ('2021-11-11 09:00:23',false,4,4,4,4,4,4,"444","4444",4,4,4,4,'4','4');
+sql insert into tba1 values ('2021-11-11 09:00:24',true, 5,5,5,5,5,5,"555","5555",5,5,5,5,'5','5');
+sql insert into tba1 values ('2021-11-11 09:00:25',true, 6,6,6,6,6,6,"666","6666",6,6,6,6,'6','6');
+sql insert into tba1 values ('2021-11-11 09:00:26',true, 7,7,7,7,7,7,"777","7777",7,7,7,7,'7','7');
+sql insert into tba1 values ('2021-11-11 09:00:27',true, 8,8,8,8,8,8,"888","8888",8,8,8,8,'8','8');
+sql insert into tba1 values ('2021-11-11 09:00:28',true, 9,9,9,9,9,9,"999","9999",9,9,9,9,'9','9');
+sql insert into tba1 values ('2021-11-11 09:00:29',true, 0,0,0,0,0,0,"000","0000",0,0,0,0,'0','0');
+
+#system sh/exec.sh -n dnode1 -s stop -x SIGINT
+