diff --git a/tests/script/general/compute/csum.sim b/tests/script/general/compute/csum.sim
new file mode 100644
index 0000000000000000000000000000000000000000..1f291d784fa848e8da9abe502884cdbad122973d
--- /dev/null
+++ b/tests/script/general/compute/csum.sim
@@ -0,0 +1,98 @@
+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/exec.sh -n dnode1 -s start
+sleep 200
+sql connect
+
+$dbPrefix = m_di_db
+$tbPrefix = m_di_tb
+$mtPrefix = m_di_mt
+$tbNum = 10
+$rowNum = 20
+$totalNum = 200
+
+print =============== step1
+$i = 0
+$db = $dbPrefix . $i
+$mt = $mtPrefix . $i
+
+sql drop database $db -x step1
+step1:
+sql create database $db
+sql use $db
+sql create table $mt (ts timestamp, tbcol int) TAGS(tgcol int)
+
+$i = 0
+while $i < $tbNum
+  $tb = $tbPrefix . $i
+  sql create table $tb using $mt tags( $i )
+  
+  $x = 0
+  while $x < $rowNum
+    $cc = $x * 60000
+    $ms = 1601481600000 + $cc
+    sql insert into $tb values ($ms , $x ) 
+    $x = $x + 1
+  endw 
+ 
+  $i = $i + 1
+endw 
+
+sleep 100
+
+print =============== step2
+$i = 1
+$tb = $tbPrefix . $i
+
+sql select csum(tbcol) from $tb
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+
+print =============== step3
+$cc = 4 * 60000
+$ms = 1601481600000 + $cc
+sql select csum(tbcol) from $tb where ts > $ms
+print ===> $data11
+if $data11 != 11 then 
+  return -1
+endi
+
+$cc = 4 * 60000
+$ms = 1601481600000 + $cc
+sql select csum(tbcol) from $tb where ts <= $ms
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+
+print =============== step4
+sql select csum(tbcol) as b from $tb
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+
+print =============== step5
+sql select csum(tbcol) as b from $tb interval(1m) -x step5
+  return -1
+step5:
+
+print =============== step6
+$cc = 4 * 60000
+$ms = 1601481600000 + $cc
+sql select csum(tbcol) as b from $tb where ts <= $ms interval(1m) -x step6
+  return -1
+step6:
+
+print =============== clear
+sql drop database $db
+sql show databases
+if $rows != 0 then 
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/general/compute/csum2.sim b/tests/script/general/compute/csum2.sim
new file mode 100644
index 0000000000000000000000000000000000000000..506070ae369ccb4c1d2bc28d149c7126079a2b54
--- /dev/null
+++ b/tests/script/general/compute/csum2.sim
@@ -0,0 +1,163 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c walLevel -v 1
+system sh/exec.sh -n dnode1 -s start
+sleep 200
+sql connect
+
+$dbPrefix = m_di_db
+$tbPrefix = m_di_tb
+$mtPrefix = m_di_mt
+$tbNum = 2
+$rowNum = 1000
+$totalNum = 2000
+
+print =============== step1
+$i = 0
+$db = $dbPrefix . $i
+$mt = $mtPrefix . $i
+
+sql drop database $db -x step1
+step1:
+sql create database $db
+sql use $db
+sql create table $mt (ts timestamp, c1 int, c2 float, c3 bigint, c4 smallint, c5 tinyint, c6 double, c7 bool, c8 nchar(5), c9 binary(10)) TAGS(tgcol int)
+
+$i = 0
+while $i < $tbNum
+  $tb = $tbPrefix . $i
+  sql create table $tb using $mt tags( $i )
+  
+  $x = 0
+  while $x < $rowNum
+    $cc = $x * 60000
+    $ms = 1601481600000 + $cc
+
+    $tinyint = $x / 128
+    sql insert into $tb values ($ms , $x , $x , $x , $x , $tinyint , $x , $x , $x , $x ) 
+    $x = $x + 1
+  endw 
+ 
+  $i = $i + 1
+endw 
+
+sleep 100
+
+print =============== step2
+$i = 1
+$tb = $tbPrefix . $i
+
+sql select csum(c1) from $tb
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+sql select csum(c2) from $tb
+print ===> $data11
+if $data11 != 1.000000000 then
+  return -1
+endi
+sql select csum(c3) from $tb
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+sql select csum(c4) from $tb
+print ===> $data11
+if $data11 != 1 then 
+  return -1
+endi
+sql select csum(c5) from $tb
+print ===> $data11
+if $data11 != 0 then 
+  return -1
+endi
+sql select csum(c6) from $tb
+print ===> $data11
+if $data11 != 1.000000000 then 
+  return -1
+endi
+sql_error select csum(c7) from $tb
+sql_error select csum(c8) from $tb
+sql_error select csum(c9) from $tb
+sql_error select csum(ts) from $tb
+sql_error select csum(c1), csum(c2) from $tb
+#sql_error select 2+csum(c1) from $tb
+sql_error select csum(c1+2) from $tb
+sql_error select csum(c1) from $tb where ts > 0 and ts < now + 100m interval(10m)
+sql_error select csum(c1) from $mt
+sql_error select csum(csum(c1)) from $tb
+sql_error select csum(c1) from m_di_tb1 where c2 like '2%'
+
+
+print =============== step3
+sql select csum(c1) from $tb where c1 > 5
+print ===> $data11
+if $data11 != 13 then 
+  return -1
+endi
+sql select csum(c2) from $tb where c2 > 5
+print ===> $data11
+if $data11 != 13.000000000 then
+  return -1
+endi
+sql select csum(c3) from $tb where c3 > 5
+print ===> $data11
+if $data11 != 13 then 
+  return -1
+endi
+sql select csum(c4) from $tb where c4 > 5
+print ===> $data11
+if $data11 != 13 then 
+  return -1
+endi
+sql select csum(c5) from $tb where c5 > 5
+print ===> $data11
+if $data11 != 12 then 
+  return -1
+endi
+sql select csum(c6) from $tb where c6 > 5
+print ===> $data11
+if $data11 != 13.000000000 then 
+  return -1
+endi
+
+print =============== step4
+sql select csum(c1) from $tb where c1 > 5 and c2 < $rowNum
+print ===> $data11
+if $data11 != 13 then 
+  return -1
+endi
+
+sql select csum(c1) from $tb where c9 like '%9' and c1 <= 20
+print ===> $rows 
+if $rows != 2 then 
+  return -1
+endi
+print ===>$data01, $data11
+if $data01 != 9 then 
+  return -1
+endi
+if $data11 != 28 then 
+  return -1
+endi
+
+print =============== step5
+sql select csum(c1) as b from $tb interval(1m) -x step5
+  return -1
+step5:
+
+print =============== step6
+sql select csum(c1) as b from $tb where ts < now + 4m interval(1m) -x step6
+  return -1
+step6:
+
+print =============== clear
+#sql drop database $db
+#sql show databases
+#if $rows != 0 then 
+#  return -1
+#endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/general/compute/testSuite.sim b/tests/script/general/compute/testSuite.sim
index 91bf4bf0cda54d300f4d284c9e057616d4d54abe..155ae4a3ec15bb2bd22821927d1bdb7b546a8734 100644
--- a/tests/script/general/compute/testSuite.sim
+++ b/tests/script/general/compute/testSuite.sim
@@ -3,6 +3,8 @@ run general/compute/bottom.sim
 run general/compute/count.sim
 run general/compute/diff.sim
 run general/compute/diff2.sim
+run general/compute/csum.sim
+run general/compute/csum2.sim
 run general/compute/first.sim
 run general/compute/interval.sim
 run general/compute/last.sim
diff --git a/tests/script/general/parser/col_arithmetic_operation.sim b/tests/script/general/parser/col_arithmetic_operation.sim
index 8bb692e3bbe8af3ec9ed179ad29d40b4712d257b..c4d0fdfeed8173d5f5b48a0cbcec392b99c0500b 100644
--- a/tests/script/general/parser/col_arithmetic_operation.sim
+++ b/tests/script/general/parser/col_arithmetic_operation.sim
@@ -126,6 +126,7 @@ sql_error select first(ts) - last(ts) from $stb interval(1y)
 sql_error select top(c1, 2) - last(c1) from $stb;
 sql_error select stddev(c1) - last(c1) from $stb;
 sql_error select diff(c1) - last(c1) from $stb;
+sql_error select csum(c1) - last(c1) from $stb;
 sql_error select first(c7) - last(c7) from $stb;
 sql_error select first(c8) - last(c8) from $stb;
 sql_error select first(c9) - last(c9) from $stb;
@@ -151,4 +152,4 @@ if $data02 != 225000 then
   return -1
 endi
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/general/parser/function.sim b/tests/script/general/parser/function.sim
index 556292b21b218f4df2aaa034d8babe35903a23b8..bcc9bd497a58cee5f4db21bc379bbd3f27d32802 100644
--- a/tests/script/general/parser/function.sim
+++ b/tests/script/general/parser/function.sim
@@ -1087,6 +1087,10 @@ sql select diff(val) from (select derivative(k, 1s, 0) val from t1);
 if $rows != 0 then
   return -1
 endi
+sql select csum(val) from (select derivative(k, 1s, 0) val from t1);
+if $rows != 0 then
+  return -1
+endi
 
 sql insert into t1 values('2020-1-1 1:1:4', 20);
 sql insert into t1 values('2020-1-1 1:1:6', 200);
diff --git a/tests/script/general/parser/having.sim b/tests/script/general/parser/having.sim
index e063333853e04faf1a7f4988b6dd1f11207aee5d..01811ea00564dffd098c39b453e15ccc31b0ed28 100644
--- a/tests/script/general/parser/having.sim
+++ b/tests/script/general/parser/having.sim
@@ -1149,6 +1149,12 @@ sql_error select avg(f1),diff(f1) from st2 group by f1 having avg(f1) > 0;
 
 sql_error select avg(f1),diff(f1) from st2 group by f1 having spread(f2) > 0;
 
+sql_error select avg(f1) from st2 group by f1 having csum(f1) > 0;
+
+sql_error select avg(f1),csum(f1) from st2 group by f1 having avg(f1) > 0;
+
+sql_error select avg(f1),csum(f1) from st2 group by f1 having spread(f2) > 0;
+
 sql select avg(f1) from st2 group by f1 having spread(f2) > 0;
 if $rows != 0 then
   return -1
diff --git a/tests/script/general/parser/having_child.sim b/tests/script/general/parser/having_child.sim
index 0fe5448869a5720a62550a88981114e737e4965b..04e58f2a8d8459c79c7ab1a4ef644dd2d9f4efe0 100644
--- a/tests/script/general/parser/having_child.sim
+++ b/tests/script/general/parser/having_child.sim
@@ -1164,6 +1164,12 @@ sql_error select avg(f1),diff(f1) from tb1 group by f1 having avg(f1) > 0;
 
 sql_error select avg(f1),diff(f1) from tb1 group by f1 having spread(f2) > 0;
 
+sql_error select avg(f1) from tb1 group by f1 having csum(f1) > 0;
+
+sql_error select avg(f1),csum(f1) from tb1 group by f1 having avg(f1) > 0;
+
+sql_error select avg(f1),csum(f1) from tb1 group by f1 having spread(f2) > 0;
+
 sql select avg(f1) from tb1 group by f1 having spread(f2) > 0;
 if $rows != 0 then
   return -1
diff --git a/tests/script/general/parser/limit1_tb.sim b/tests/script/general/parser/limit1_tb.sim
index 300af7ac7b669088094c0ba72288f42d34ca374d..113d09dc477b443d95a4d90c06d6b8386557dd98 100644
--- a/tests/script/general/parser/limit1_tb.sim
+++ b/tests/script/general/parser/limit1_tb.sim
@@ -471,6 +471,48 @@ if $data81 != -9 then
   return -1
 endi
 
+sql select csum(c1) from $tb
+$res = $rowNum 
+if $rows != $res then
+  return -1
+endi
+
+sql select csum(c1) from $tb where c1 > 5 limit 2 offset 1
+if $rows != 2 then
+  return -1
+endi
+if $data00 != @18-09-17 10:10:00.000@ then
+  return -1
+endi
+if $data01 != 13 then
+  return -1
+endi
+if $data10 != @18-09-17 10:20:00.000@ then
+  return -1
+endi
+if $data11 != 21 then
+  return -1
+endi
+$limit = $rowNum / 2
+$offset = $limit - 1
+sql select csum(c1) from $tb where c1 >= 0 limit $limit offset $offset
+if $rows != $limit then
+  return -1
+endi
+$limit = $rowNum / 2
+$offset = $limit + 1
+$val = $limit - 1
+sql select csum(c1) from $tb where c1 >= 0 limit $limit offset $offset
+if $rows != $val then
+  return -1
+endi
+if $data01 != 22501 then
+  return -1
+endi
+if $data81 != 22545 then
+  return -1
+endi
+
 ### aggregation + limit offset (with interval)
 sql select max(c1), max(c2), max(c3), max(c4), max(c5), max(c6) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) limit 5
 if $rows != 5 then 
diff --git a/tests/script/general/parser/limit_tb.sim b/tests/script/general/parser/limit_tb.sim
index 4a93797d40fb65a7df9ad8d18c60292bed83dfe4..a47a1557680c59664faed0380d28c3c32f88ffb9 100644
--- a/tests/script/general/parser/limit_tb.sim
+++ b/tests/script/general/parser/limit_tb.sim
@@ -463,6 +463,23 @@ if $data11 != 1 then
   return -1
 endi
 
+sql select csum(c1) from $tb where c1 > 5 limit 2 offset 1
+if $rows != 2 then
+  return -1
+endi
+if $data00 != @18-09-17 10:10:00.000@ then
+  return -1
+endi
+if $data01 != 13 then
+  return -1
+endi
+if $data10 != @18-09-17 10:20:00.000@ then
+  return -1
+endi
+if $data11 != 21 then
+  return -1
+endi
+
 ### aggregation + limit offset (with interval)
 sql select max(c1), max(c2), max(c3), max(c4), max(c5), max(c6) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) limit 5
 if $rows != 5 then 
diff --git a/tests/script/general/parser/nestquery.sim b/tests/script/general/parser/nestquery.sim
index 3c1ba0336973b8d07c785337de2d2c66202520c4..6cf8ac37181087cc16cf616c801daf0fe3f19e6f 100644
--- a/tests/script/general/parser/nestquery.sim
+++ b/tests/script/general/parser/nestquery.sim
@@ -186,6 +186,7 @@ sql_error select derivative(val, 1s, 0) from (select c1 val from nest_tb0);
 sql_error select twa(c1) from (select c1 from nest_tb0);
 sql_error select irate(c1) from (select c1 from nest_tb0);
 sql_error select diff(c1), twa(c1) from (select * from nest_tb0);
+sql_error select csum(c1), twa(c1) from (select * from nest_tb0);
 sql_error select irate(c1), interp(c1), twa(c1) from (select * from nest_tb0);
 
 sql select apercentile(c1, 50) from (select * from nest_tb0) interval(1d)
@@ -273,6 +274,10 @@ sql select diff(c1) from (select * from nest_tb0);
 if $rows != 9999 then
   return -1
 endi
+sql select csum(c1) from (select * from nest_tb0);
+if $rows != 10000 then
+  return -1
+endi
 
 sql select avg(c1),sum(c2), max(c3), min(c4), count(*), first(c7), last(c7),spread(c6) from (select * from nest_tb0) interval(1d);
 if $rows != 7 then
@@ -420,6 +425,23 @@ if $data01 != 1 then
   return -1
 endi
 
+sql select csum(val) from (select c1 val from nest_tb0);
+if $rows != 10000 then
+  return -1
+endi
+
+if $data00 != @70-01-01 08:00:00.000@ then
+  return -1
+endi
+
+if $data01 != 0 then
+  return -1
+endi
+
+if $data41 != 10 then
+  return -1
+endi
+
 sql_error select last_row(*) from (select * from nest_tb0) having c1 > 0
 
 print ===========>td-4805
@@ -508,4 +530,4 @@ if $data11 != 2.000000000 then
   return -1
 endi
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/regressionSuite.sim b/tests/script/regressionSuite.sim
index bada2f655202ddc34ce6e67e718336a2afc41d50..7f940f805ef9915da4f0deecfc1ed0d837e54bcc 100644
--- a/tests/script/regressionSuite.sim
+++ b/tests/script/regressionSuite.sim
@@ -21,6 +21,8 @@ run general/compute/bottom.sim
 run general/compute/count.sim
 run general/compute/diff.sim
 run general/compute/diff2.sim
+run general/compute/csum.sim
+run general/compute/csum2.sim
 run general/compute/first.sim
 run general/compute/interval.sim
 run general/compute/last.sim