diff --git a/src/common/src/ttypes.c b/src/common/src/ttypes.c
index 6fa27a029bfd5356cca3e34dffe8d3018ade9fd8..34dda32401b604450b3179cf0f344f53b6e2cb51 100644
--- a/src/common/src/ttypes.c
+++ b/src/common/src/ttypes.c
@@ -632,7 +632,15 @@ int32_t tStrToInteger(const char* z, int16_t type, int32_t n, int64_t* value, bo
   }
 
   // the string may be overflow according to errno
-  *value = issigned? strtoll(z, &endPtr, radix):strtoull(z, &endPtr, radix);
+  if (!issigned) {
+    const char *p = z;
+    while(*p != 0 && *p == ' ') p++;   
+    if (*p != 0 && *p == '-') { return -1;}
+
+    *value = strtoull(z, &endPtr, radix);
+  } else {
+    *value = strtoll(z, &endPtr, radix);
+  }
 
   // not a valid integer number, return error
   if (endPtr - z != n || errno == ERANGE) {
diff --git a/tests/script/general/field/bigint.sim b/tests/script/general/field/bigint.sim
index 3bb120c6410a2ea2e9c671bb4aca56fc8014124f..538f966c49cc3eefb8516c4bac4a49b9efd78d37 100644
--- a/tests/script/general/field/bigint.sim
+++ b/tests/script/general/field/bigint.sim
@@ -159,4 +159,4 @@ if $rows != 0 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/field/unsigined_bigint.sim b/tests/script/general/field/unsigined_bigint.sim
new file mode 100644
index 0000000000000000000000000000000000000000..1cfe8ad15b31f38d2fc72d429a0c9af2cb5732fb
--- /dev/null
+++ b/tests/script/general/field/unsigined_bigint.sim
@@ -0,0 +1,166 @@
+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 2000
+sql connect
+print ======================== dnode1 start
+
+$dbPrefix = db
+$tbPrefix = tb
+$mtPrefix = st
+$tbNum = 10
+$rowNum = 20
+$totalNum = 200
+
+print =============== step1
+$i = 0
+$db = $dbPrefix . $i
+$mt = $mtPrefix . $i
+
+sql create database $db
+sql use $db
+sql create table $mt (ts timestamp, tbcol bigint unsigned) TAGS(tgcol bigint unsigned)
+
+$i = 0
+while $i < 5
+  $tb = $tbPrefix . $i
+  sql create table $tb using $mt tags( 0 )  
+  sql create table $tb using $mt tags( -111 )  
+  $x = 0
+  while $x < $rowNum
+    $ms = $x . m 
+    sql insert into $tb values (now + $ms , 0 ) 
+    $x = $x + 1
+    sql_error insert into $tb values (now + $ms , -10) 
+    sql_error insert into $tb values (now + $ms ,        -1000) 
+    sql_error insert into $tb values (now + $ms ,        -10000000) 
+  endw  
+  $i = $i + 1
+endw 
+while $i < 10
+  $tb = $tbPrefix . $i
+  sql create table $tb using $mt tags( 1 )  
+  $x = 0
+  while $x < $rowNum
+    $ms = $x . m 
+    sql insert into $tb values (now + $ms , 1 ) 
+    $x = $x + 1
+  endw  
+  $i = $i + 1
+endw 
+
+print =============== step2
+sql select * from $mt where tbcol = 0
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol <> 0
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol = 1
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol <> 1
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol = 1
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol <> 1
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol = 0
+if $rows != 100 then 
+  return -1
+endi
+sql select * from $mt where tbcol <> 0
+if $rows != 100 then 
+  return -1
+endi
+
+print =============== step3
+sql select * from $mt where ts > now + 4m and tbcol = 1
+if $rows != 75 then 
+  return -1
+endi
+sql select * from $mt where ts > now + 4m and tbcol <> 1
+if $rows != 75 then 
+  return -1
+endi
+sql select * from $mt where ts < now + 4m and tbcol = 0
+if $rows != 25 then 
+  return -1
+endi
+sql select * from $mt where ts < now + 4m and tbcol <> 0
+if $rows != 25 then 
+  return -1
+endi
+sql select * from $mt where ts <= now + 4m and tbcol = 0
+if $rows != 25 then 
+  return -1
+endi
+sql select * from $mt where ts <= now + 4m and tbcol <> 0
+if $rows != 25 then 
+  return -1
+endi
+sql select * from $mt where ts > now + 4m and ts < now + 5m and tbcol <> 0
+if $rows != 5 then 
+  return -1
+endi
+sql select * from $mt where ts > now + 4m and tbcol <> 0 and ts < now + 5m
+if $rows != 5 then 
+  return -1
+endi
+
+print =============== step4
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt
+print $data00 $data01 $data02 $data03 $data04 $data05 $data06 
+if $data00 != 200 then 
+  return -1
+endi
+
+print =============== step5
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt where tbcol = 1
+print $data00 $data01 $data02 $data03 $data04 $data05 $data06 
+if $data00 != 100 then 
+  return -1
+endi
+
+print =============== step6
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt where tbcol = 1 group by tgcol
+print $data00 $data01 $data02 $data03 $data04 $data05 $data06 
+print $data10 $data11 $data12 $data13 $data14 $data15 $data16
+if $data00 != 100 then
+  print expect 100, actual $data00
+  return -1
+endi
+
+print =============== step7
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt where ts < now + 4m and tbcol = 1 group by tgcol
+print $data00 $data01 $data02 $data03 $data04 $data05 $data06 
+if $data00 != 25 then 
+  return -1
+endi
+
+print =============== step8
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt where tbcol = 1 interval(1d) group by tgcol order by tgcol desc
+print $data00 $data01 $data02 $data03 $data04 $data05 $data06 
+if $data01 != 100 then 
+  return -1
+endi
+
+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