diff --git a/tests/pytest/query/filterAllIntTypes.py b/tests/pytest/query/filterAllIntTypes.py
index 32e635d6da6e430da219722df81f3ad0ac09e9b8..cf65d2b1021c22200b89a94a8f6093bc45937872 100644
--- a/tests/pytest/query/filterAllIntTypes.py
+++ b/tests/pytest/query/filterAllIntTypes.py
@@ -22,12 +22,12 @@ class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor())
-    
+
         self.powers = [7, 15, 31, 63]
         self.types = ["tinyint", "smallint", "int", "bigint"]
         self.rowNum = 10
-        self.ts = 1537146000000       
-        
+        self.ts = 1537146000000
+
     def run(self):
         tdSql.prepare()
 
@@ -35,20 +35,30 @@ class TDTestCase:
             curType = self.types[i]
             print("======= Verify filter for %s type =========" % (curType))
             tdLog.debug(
-                "create table st%s(ts timestamp, num %s) tags(id %s)" % (curType, curType, curType))
+                "create table st%s(ts timestamp, num %s) tags(id %s)" %
+                (curType, curType, curType))
             tdSql.execute(
-                "create table st%s(ts timestamp, num %s) tags(id %s)" % (curType, curType, curType))
-            
-            #create 10 tables, insert 10 rows for each table
-            for j in range(self.rowNum):            
-                tdSql.execute("create table st%s%d using st%s tags(%d)" % (curType, j + 1, curType, j + 1))
-                for k in range(self.rowNum):                
-                    tdSql.execute("insert into st%s%d values(%d, %d)" % (curType, j + 1, self.ts + k + 1, j * 10 + k + 1))
-            
-            tdSql.error("insert into st%s10 values(%d, %d)" % (curType, self.ts + 11, pow(2, self.powers[i])))
-            tdSql.execute("insert into st%s10 values(%d, %d)" % (curType, self.ts + 12, pow(2, self.powers[i]) - 1))
-            tdSql.error("insert into st%s10 values(%d, %d)" % (curType, self.ts + 13, pow(-2, self.powers[i])))
-            tdSql.execute("insert into st%s10 values(%d, %d)" % (curType, self.ts + 14, pow(-2, self.powers[i]) + 1)) 
+                "create table st%s(ts timestamp, num %s) tags(id %s)" %
+                (curType, curType, curType))
+
+            # create 10 tables, insert 10 rows for each table
+            for j in range(self.rowNum):
+                tdSql.execute(
+                    "create table st%s%d using st%s tags(%d)" %
+                    (curType, j + 1, curType, j + 1))
+                for k in range(self.rowNum):
+                    tdSql.execute(
+                        "insert into st%s%d values(%d, %d)" %
+                        (curType, j + 1, self.ts + k + 1, j * 10 + k + 1))
+
+            tdSql.error("insert into st%s10 values(%d, %d)" %
+                        (curType, self.ts + 11, pow(2, self.powers[i])))
+            tdSql.execute("insert into st%s10 values(%d, %d)" %
+                          (curType, self.ts + 12, pow(2, self.powers[i]) - 1))
+            tdSql.error("insert into st%s10 values(%d, %d)" %
+                        (curType, self.ts + 13, pow(-2, self.powers[i])))
+            tdSql.execute("insert into st%s10 values(%d, %d)" %
+                          (curType, self.ts + 14, pow(-2, self.powers[i]) + 1))
 
             # > for int type on column
             tdSql.query("select * from st%s where num > 50" % curType)
@@ -104,10 +114,12 @@ class TDTestCase:
 
             # != for int type on tag
             tdSql.query("select * from st%s where id != 5" % curType)
-            tdSql.checkRows(92)            
+            tdSql.checkRows(92)
+
+            print(
+                "======= Verify filter for %s type finished =========" %
+                curType)
 
-            print("======= Verify filter for %s type finished =========" % curType)
-                                                   
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/pytest/query/filterFloatAndDouble.py b/tests/pytest/query/filterFloatAndDouble.py
index bea41be11c4ca35051fbb62c8387241b05e48742..bd349a2a25c556723775e558d890cbca19803156 100644
--- a/tests/pytest/query/filterFloatAndDouble.py
+++ b/tests/pytest/query/filterFloatAndDouble.py
@@ -21,28 +21,28 @@ from util.sql import *
 class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
-        tdSql.init(conn.cursor())    
+        tdSql.init(conn.cursor())
 
         self.rowNum = 10
         self.ts = 1537146000000
-        
+
     def run(self):
         tdSql.prepare()
 
         print("======= Verify filter for float and double type =========")
         tdLog.debug(
-                "create table st(ts timestamp, num float, speed double) tags(tagcol1 float, tagcol2 double)")
+            "create table st(ts timestamp, num float, speed double) tags(tagcol1 float, tagcol2 double)")
         tdSql.execute(
-                "create table st(ts timestamp, num float, speed double) tags(tagcol1 float, tagcol2 double)")
-                
-        for j in range(self.rowNum):             
-            tdSql.execute(
-                "insert into st1 using st tags(1.1, 2.3) values(%d, %f, %f)" % (self.ts + j + 1, 1.1 * (j + 1), 2.3 * (j + 1)))    
+            "create table st(ts timestamp, num float, speed double) tags(tagcol1 float, tagcol2 double)")
+
+        for j in range(self.rowNum):
+            tdSql.execute("insert into st1 using st tags(1.1, 2.3) values(%d, %f, %f)" % (
+                self.ts + j + 1, 1.1 * (j + 1), 2.3 * (j + 1)))
 
         # > for float type on column
         tdSql.query("select * from st where num > 5.5")
         tdSql.checkRows(5)
-        
+
         # >= for float type on column
         tdSql.query("select * from st where num >= 5.5")
         tdSql.checkRows(6)
@@ -70,11 +70,11 @@ class TDTestCase:
         # > for float type on tag
         tdSql.query("select * from st where tagcol1 > 1.1")
         tdSql.checkRows(0)
-        
+
         # >= for float type on tag
         tdSql.query("select * from st where tagcol1 >= 1.1")
         tdSql.checkRows(10)
-        
+
         # = for float type on tag
         tdSql.query("select * from st where tagcol1 = 1.1")
         tdSql.checkRows(10)
@@ -86,7 +86,7 @@ class TDTestCase:
         # != for float type on tag
         tdSql.query("select * from st where tagcol1 != 1.1")
         tdSql.checkRows(0)
-        
+
         # <= for float type on tag
         tdSql.query("select * from st where tagcol1 <= 1.1")
         tdSql.checkRows(10)
@@ -94,11 +94,11 @@ class TDTestCase:
         # < for float type on tag
         tdSql.query("select * from st where tagcol1 < 1.1")
         tdSql.checkRows(0)
-        
+
         # > for double type on column
         tdSql.query("select * from st where speed > 11.5")
         tdSql.checkRows(5)
-        
+
         # >= for double type on column
         tdSql.query("select * from st where speed >= 11.5")
         tdSql.checkRows(6)
@@ -126,11 +126,11 @@ class TDTestCase:
         # > for double type on tag
         tdSql.query("select * from st where tagcol2 > 2.3")
         tdSql.checkRows(0)
-        
+
         # >= for double type on tag
         tdSql.query("select * from st where tagcol2 >= 2.3")
         tdSql.checkRows(10)
-        
+
         # = for double type on tag
         tdSql.query("select * from st where tagcol2 = 2.3")
         tdSql.checkRows(10)
@@ -142,7 +142,7 @@ class TDTestCase:
         # != for double type on tag
         tdSql.query("select * from st where tagcol2 != 2.3")
         tdSql.checkRows(0)
-        
+
         # <= for double type on tag
         tdSql.query("select * from st where tagcol2 <= 2.3")
         tdSql.checkRows(10)
@@ -150,7 +150,7 @@ class TDTestCase:
         # < for double type on tag
         tdSql.query("select * from st where tagcol2 < 2.3")
         tdSql.checkRows(0)
-                                           
+
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/pytest/query/filterOtherTypes.py b/tests/pytest/query/filterOtherTypes.py
index f09ac596c7156b468e425d071c2c8ba024115f34..bc7df18c8da9dafce62f20b13800b266815c2cbf 100644
--- a/tests/pytest/query/filterOtherTypes.py
+++ b/tests/pytest/query/filterOtherTypes.py
@@ -21,33 +21,39 @@ from util.sql import *
 class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
-        tdSql.init(conn.cursor())   
-        
+        tdSql.init(conn.cursor())
+
         self.ts = 1537146000000
-        
+
     def run(self):
         tdSql.prepare()
-                
+
         print("======= Verify filter for bool, nchar and binary type =========")
         tdLog.debug(
             "create table st(ts timestamp, tbcol1 bool, tbcol2 nchar(10), tbcol3 binary(20)) tags(tagcol1 bool, tagcol2 nchar(10), tagcol3 binary(10))")
         tdSql.execute(
-            "create table st(ts timestamp, tbcol1 bool, tbcol2 nchar(10), tbcol3 binary(20)) tags(tagcol1 bool, tagcol2 nchar(10), tagcol3 binary(10))")                
+            "create table st(ts timestamp, tbcol1 bool, tbcol2 nchar(10), tbcol3 binary(20)) tags(tagcol1 bool, tagcol2 nchar(10), tagcol3 binary(10))")
 
         tdSql.execute("create table st1 using st tags(true, 'table1', '水表')")
-        for i in range(1, 6):                
-            tdSql.execute("insert into st1 values(%d, %d, 'taosdata%d', '涛思数据%d')" % (self.ts + i, i % 2, i, i)) 
+        for i in range(1, 6):
+            tdSql.execute(
+                "insert into st1 values(%d, %d, 'taosdata%d', '涛思数据%d')" %
+                (self.ts + i, i %
+                 2, i, i))
 
         tdSql.execute("create table st2 using st tags(false, 'table2', '电表')")
-        for i in range(6, 11):                
-            tdSql.execute("insert into st2 values(%d, %d, 'taosdata%d', '涛思数据%d')" % (self.ts + i, i % 2, i, i))  
+        for i in range(6, 11):
+            tdSql.execute(
+                "insert into st2 values(%d, %d, 'taosdata%d', '涛思数据%d')" %
+                (self.ts + i, i %
+                 2, i, i))
 
         # =============Verify stable columns====================
         # > for bool type on column
         tdSql.error("select * from st where tbcol1 > false")
 
         # >= for bool type on column
-        tdSql.error("select * from st where tbcol1 >= false") 
+        tdSql.error("select * from st where tbcol1 >= false")
 
         # = for bool type on column
         tdSql.query("select * from st where tbcol1 = false")
@@ -77,18 +83,18 @@ class TDTestCase:
         tdSql.error("select * from st where tbcol2 > 'taosdata'")
 
         # >= for nchar type on column
-        tdSql.error("select * from st where tbcol2 >= 'taosdata'") 
+        tdSql.error("select * from st where tbcol2 >= 'taosdata'")
 
         # = for nchar type on column
         tdSql.query("select * from st where tbcol2 = 'taosdata1'")
         tdSql.checkRows(1)
 
         # <> for nchar type on column
-        tdSql.query("select * from st where tbcol2 <> 'taosdata1'")        
+        tdSql.query("select * from st where tbcol2 <> 'taosdata1'")
         tdSql.checkRows(9)
 
         # != for nchar type on column
-        tdSql.query("select * from st where tbcol2 != 'taosdata1'")        
+        tdSql.query("select * from st where tbcol2 != 'taosdata1'")
         tdSql.checkRows(9)
 
         # > for nchar type on column
@@ -98,57 +104,57 @@ class TDTestCase:
         tdSql.error("select * from st where tbcol2 <= 'taodata'")
 
         # % for nchar type on column case 1
-        tdSql.query("select * from st where tbcol2 like '%'")        
+        tdSql.query("select * from st where tbcol2 like '%'")
         tdSql.checkRows(10)
 
         # % for nchar type on column case 2
-        tdSql.query("select * from st where tbcol2 like 'a%'")        
+        tdSql.query("select * from st where tbcol2 like 'a%'")
         tdSql.checkRows(0)
 
         # % for nchar type on column case 3
-        tdSql.query("select * from st where tbcol2 like 't%_'")        
+        tdSql.query("select * from st where tbcol2 like 't%_'")
         tdSql.checkRows(10)
 
         # % for nchar type on column case 4
-        tdSql.query("select * from st where tbcol2 like '%1'")        
+        tdSql.query("select * from st where tbcol2 like '%1'")
         # tdSql.checkRows(2)
 
         # _ for nchar type on column case 1
-        tdSql.query("select * from st where tbcol2 like '____________'") 
-        tdSql.checkRows(0)       
+        tdSql.query("select * from st where tbcol2 like '____________'")
+        tdSql.checkRows(0)
 
         # _ for nchar type on column case 2
-        tdSql.query("select * from st where tbcol2 like '__________'")        
+        tdSql.query("select * from st where tbcol2 like '__________'")
         tdSql.checkRows(1)
 
         # _ for nchar type on column case 3
-        tdSql.query("select * from st where tbcol2 like '_________'")        
+        tdSql.query("select * from st where tbcol2 like '_________'")
         tdSql.checkRows(9)
 
         # _ for nchar type on column case 4
-        tdSql.query("select * from st where tbcol2 like 't________'")        
+        tdSql.query("select * from st where tbcol2 like 't________'")
         tdSql.checkRows(9)
 
         # _ for nchar type on column case 5
-        tdSql.query("select * from st where tbcol2 like '%________'")        
+        tdSql.query("select * from st where tbcol2 like '%________'")
         tdSql.checkRows(10)
 
         # > for binary type on column
         tdSql.error("select * from st where tbcol3 > '涛思数据'")
 
         # >= for binary type on column
-        tdSql.error("select * from st where tbcol3 >= '涛思数据'") 
+        tdSql.error("select * from st where tbcol3 >= '涛思数据'")
 
         # = for binary type on column
         tdSql.query("select * from st where tbcol3 = '涛思数据1'")
         tdSql.checkRows(1)
 
         # <> for binary type on column
-        tdSql.query("select * from st where tbcol3 <> '涛思数据1'")        
+        tdSql.query("select * from st where tbcol3 <> '涛思数据1'")
         tdSql.checkRows(9)
 
         # != for binary type on column
-        tdSql.query("select * from st where tbcol3 != '涛思数据1'")        
+        tdSql.query("select * from st where tbcol3 != '涛思数据1'")
         tdSql.checkRows(9)
 
         # > for binary type on column
@@ -158,39 +164,39 @@ class TDTestCase:
         tdSql.error("select * from st where tbcol3 <= '涛思数据'")
 
         # % for binary type on column case 1
-        tdSql.query("select * from st where tbcol3 like '%'")        
+        tdSql.query("select * from st where tbcol3 like '%'")
         tdSql.checkRows(10)
 
         # % for binary type on column case 2
-        tdSql.query("select * from st where tbcol3 like '陶%'")        
+        tdSql.query("select * from st where tbcol3 like '陶%'")
         tdSql.checkRows(0)
 
         # % for binary type on column case 3
-        tdSql.query("select * from st where tbcol3 like '涛%_'")        
+        tdSql.query("select * from st where tbcol3 like '涛%_'")
         tdSql.checkRows(10)
 
         # % for binary type on column case 4
-        tdSql.query("select * from st where tbcol3 like '%1'")        
+        tdSql.query("select * from st where tbcol3 like '%1'")
         tdSql.checkRows(1)
 
         # _ for binary type on column case 1
-        tdSql.query("select * from st where tbcol3 like '_______'") 
-        tdSql.checkRows(0)       
+        tdSql.query("select * from st where tbcol3 like '_______'")
+        tdSql.checkRows(0)
 
         # _ for binary type on column case 2
-        tdSql.query("select * from st where tbcol3 like '______'")        
+        tdSql.query("select * from st where tbcol3 like '______'")
         tdSql.checkRows(1)
 
         # _ for binary type on column case 2
-        tdSql.query("select * from st where tbcol3 like '_____'")        
+        tdSql.query("select * from st where tbcol3 like '_____'")
         tdSql.checkRows(9)
 
         # _ for binary type on column case 3
-        tdSql.query("select * from st where tbcol3 like '____'")        
+        tdSql.query("select * from st where tbcol3 like '____'")
         tdSql.checkRows(0)
 
         # _ for binary type on column case 4
-        tdSql.query("select * from st where tbcol3 like 't____'")        
+        tdSql.query("select * from st where tbcol3 like 't____'")
         tdSql.checkRows(0)
 
         # =============Verify stable tags====================
@@ -198,7 +204,7 @@ class TDTestCase:
         tdSql.error("select * from st where tagcol1 > false")
 
         # >= for bool type on tag
-        tdSql.error("select * from st where tagcol1 >= false") 
+        tdSql.error("select * from st where tagcol1 >= false")
 
         # = for bool type on tag
         tdSql.query("select * from st where tagcol1 = false")
@@ -228,18 +234,18 @@ class TDTestCase:
         tdSql.error("select * from st where tagcol2 > 'table'")
 
         # >= for nchar type on tag
-        tdSql.error("select * from st where tagcol2 >= 'table'") 
+        tdSql.error("select * from st where tagcol2 >= 'table'")
 
         # = for nchar type on tag
         tdSql.query("select * from st where tagcol2 = 'table1'")
         tdSql.checkRows(5)
 
         # <> for nchar type on tag
-        tdSql.query("select * from st where tagcol2 <> 'table1'")        
+        tdSql.query("select * from st where tagcol2 <> 'table1'")
         tdSql.checkRows(5)
 
         # != for nchar type on tag
-        tdSql.query("select * from st where tagcol2 != 'table'")        
+        tdSql.query("select * from st where tagcol2 != 'table'")
         tdSql.checkRows(10)
 
         # > for nchar type on tag
@@ -249,57 +255,57 @@ class TDTestCase:
         tdSql.error("select * from st where tagcol2 <= 'table'")
 
         # % for nchar type on tag case 1
-        tdSql.query("select * from st where tagcol2 like '%'")        
+        tdSql.query("select * from st where tagcol2 like '%'")
         tdSql.checkRows(10)
 
         # % for nchar type on tag case 2
-        tdSql.query("select * from st where tagcol2 like 'a%'")        
+        tdSql.query("select * from st where tagcol2 like 'a%'")
         tdSql.checkRows(0)
 
         # % for nchar type on tag case 3
-        tdSql.query("select * from st where tagcol2 like 't%_'")        
+        tdSql.query("select * from st where tagcol2 like 't%_'")
         tdSql.checkRows(10)
 
         # % for nchar type on tag case 4
-        tdSql.query("select * from st where tagcol2 like '%1'")        
+        tdSql.query("select * from st where tagcol2 like '%1'")
         tdSql.checkRows(5)
 
         # _ for nchar type on tag case 1
-        tdSql.query("select * from st where tagcol2 like '_______'") 
-        tdSql.checkRows(0)       
+        tdSql.query("select * from st where tagcol2 like '_______'")
+        tdSql.checkRows(0)
 
         # _ for nchar type on tag case 2
-        tdSql.query("select * from st where tagcol2 like '______'")        
+        tdSql.query("select * from st where tagcol2 like '______'")
         tdSql.checkRows(10)
 
         # _ for nchar type on tag case 3
-        tdSql.query("select * from st where tagcol2 like 't_____'")        
+        tdSql.query("select * from st where tagcol2 like 't_____'")
         tdSql.checkRows(10)
 
         # _ for nchar type on tag case 4
-        tdSql.query("select * from st where tagcol2 like 's________'")        
+        tdSql.query("select * from st where tagcol2 like 's________'")
         tdSql.checkRows(0)
 
         # _ for nchar type on tag case 5
-        tdSql.query("select * from st where tagcol2 like '%__'")        
+        tdSql.query("select * from st where tagcol2 like '%__'")
         tdSql.checkRows(10)
 
         # > for binary type on tag
         tdSql.error("select * from st where tagcol3 > '表'")
 
         # >= for binary type on tag
-        tdSql.error("select * from st where tagcol3 >= '表'") 
+        tdSql.error("select * from st where tagcol3 >= '表'")
 
         # = for binary type on tag
         tdSql.query("select * from st where tagcol3 = '水表'")
         tdSql.checkRows(5)
 
         # <> for binary type on tag
-        tdSql.query("select * from st where tagcol3 <> '水表'")        
+        tdSql.query("select * from st where tagcol3 <> '水表'")
         tdSql.checkRows(5)
 
         # != for binary type on tag
-        tdSql.query("select * from st where tagcol3 != '水表'")        
+        tdSql.query("select * from st where tagcol3 != '水表'")
         tdSql.checkRows(5)
 
         # > for binary type on tag
@@ -309,54 +315,53 @@ class TDTestCase:
         tdSql.error("select * from st where tagcol3 <= '水表'")
 
         # % for binary type on tag case 1
-        tdSql.query("select * from st where tagcol3 like '%'")        
+        tdSql.query("select * from st where tagcol3 like '%'")
         tdSql.checkRows(10)
 
         # % for binary type on tag case 2
-        tdSql.query("select * from st where tagcol3 like '水%'")        
+        tdSql.query("select * from st where tagcol3 like '水%'")
         tdSql.checkRows(5)
 
         # % for binary type on tag case 3
-        tdSql.query("select * from st where tagcol3 like '数%_'")        
+        tdSql.query("select * from st where tagcol3 like '数%_'")
         tdSql.checkRows(0)
 
         # % for binary type on tag case 4
-        tdSql.query("select * from st where tagcol3 like '%表'")        
+        tdSql.query("select * from st where tagcol3 like '%表'")
         tdSql.checkRows(10)
 
         # % for binary type on tag case 5
-        tdSql.query("select * from st where tagcol3 like '%据'")        
+        tdSql.query("select * from st where tagcol3 like '%据'")
         tdSql.checkRows(0)
 
         # _ for binary type on tag case 1
-        tdSql.query("select * from st where tagcol3 like '__'") 
-        tdSql.checkRows(10)       
+        tdSql.query("select * from st where tagcol3 like '__'")
+        tdSql.checkRows(10)
 
         # _ for binary type on tag case 2
-        tdSql.query("select * from st where tagcol3 like '水_'")        
+        tdSql.query("select * from st where tagcol3 like '水_'")
         tdSql.checkRows(5)
 
         # _ for binary type on tag case 2
-        tdSql.query("select * from st where tagcol3 like '_表'")        
+        tdSql.query("select * from st where tagcol3 like '_表'")
         tdSql.checkRows(10)
 
         # _ for binary type on tag case 3
-        tdSql.query("select * from st where tagcol3 like '___'")        
+        tdSql.query("select * from st where tagcol3 like '___'")
         tdSql.checkRows(0)
 
         # _ for binary type on tag case 4
-        tdSql.query("select * from st where tagcol3 like '数_'")        
+        tdSql.query("select * from st where tagcol3 like '数_'")
         tdSql.checkRows(0)
 
         # _ for binary type on tag case 5
-        tdSql.query("select * from st where tagcol3 like '_据'")        
+        tdSql.query("select * from st where tagcol3 like '_据'")
         tdSql.checkRows(0)
-                                                   
+
     def stop(self):
         tdSql.close()
-        tdLog.success("%s successfully executed" % __file__)    
+        tdLog.success("%s successfully executed" % __file__)
 
 
 tdCases.addWindows(__file__, TDTestCase())
 tdCases.addLinux(__file__, TDTestCase())
-
diff --git a/tests/pytest/query/querySort.py b/tests/pytest/query/querySort.py
index bb806c27bcdc6f6e2892a86be6e7e028fc2a03e2..385870137931c2113739f0b92bcf9d1bf21b06be 100644
--- a/tests/pytest/query/querySort.py
+++ b/tests/pytest/query/querySort.py
@@ -21,56 +21,60 @@ from util.sql import *
 class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
-        tdSql.init(conn.cursor())    
+        tdSql.init(conn.cursor())
 
         self.rowNum = 10
         self.ts = 1537146000000
-        
+
     def run(self):
         tdSql.prepare()
 
         print("======= step 1: create table and insert data =========")
         tdLog.debug(
-                ''' create table st(ts timestamp, tbcol1 tinyint, tbcol2 smallint, tbcol3 int, tbcol4 bigint, tbcol5 float, tbcol6 double,
-                tbcol7 bool, tbcol8 nchar(20), tbcol9 binary(20)) tags(tagcol1 tinyint, tagcol2 smallint, tagcol3 int, tagcol4 bigint, tagcol5 float, 
+            ''' create table st(ts timestamp, tbcol1 tinyint, tbcol2 smallint, tbcol3 int, tbcol4 bigint, tbcol5 float, tbcol6 double,
+                tbcol7 bool, tbcol8 nchar(20), tbcol9 binary(20)) tags(tagcol1 tinyint, tagcol2 smallint, tagcol3 int, tagcol4 bigint, tagcol5 float,
                 tagcol6 double, tagcol7 bool, tagcol8 nchar(20), tagcol9 binary(20))''')
         tdSql.execute(
-                ''' create table st(ts timestamp, tbcol1 tinyint, tbcol2 smallint, tbcol3 int, tbcol4 bigint, tbcol5 float, tbcol6 double,
-                tbcol7 bool, tbcol8 nchar(20), tbcol9 binary(20)) tags(tagcol1 tinyint, tagcol2 smallint, tagcol3 int, tagcol4 bigint, tagcol5 float, 
+            ''' create table st(ts timestamp, tbcol1 tinyint, tbcol2 smallint, tbcol3 int, tbcol4 bigint, tbcol5 float, tbcol6 double,
+                tbcol7 bool, tbcol8 nchar(20), tbcol9 binary(20)) tags(tagcol1 tinyint, tagcol2 smallint, tagcol3 int, tagcol4 bigint, tagcol5 float,
                 tagcol6 double, tagcol7 bool, tagcol8 nchar(20), tagcol9 binary(20))''')
-        
+
         for i in range(self.rowNum):
-            tdSql.execute("create table st%d using st tags(%d, %d, %d, %d, %f, %f, %d, 'tag%d', '标签%d')" % (i + 1, i + 1, i + 1, i + 1, i + 1, 1.1 * (i + 1), 
-            1.23 * (i + 1), (i + 1) % 2, i + 1, i + 1))
+            tdSql.execute("create table st%d using st tags(%d, %d, %d, %d, %f, %f, %d, 'tag%d', '标签%d')" % (
+                i + 1, i + 1, i + 1, i + 1, i + 1, 1.1 * (i + 1), 1.23 * (i + 1), (i + 1) % 2, i + 1, i + 1))
             for j in range(self.rowNum):
-                tdSql.execute("insert into st%d values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d')" % (i + 1, self.ts + 10 * (i + 1) + j + 1, 
-                        j + 1, j + 1, j + 1, j + 1, 1.1 * (j + 1), 1.23 * (j + 1), (j + 1) % 2, j + 1, j + 1))
-        
+                tdSql.execute("insert into st%d values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d')" % (
+                    i + 1, self.ts + 10 * (i + 1) + j + 1, j + 1, j + 1, j + 1, j + 1, 1.1 * (j + 1), 1.23 * (j + 1), (j + 1) % 2, j + 1, j + 1))
 
-        print("======= step 2: verify order for each column =========")        
-        # sort for timestamp in asc order 
+        print("======= step 2: verify order for each column =========")
+        # sort for timestamp in asc order
         tdSql.query("select * from st order by ts asc")
         tdSql.checkColumnSorted(0, "asc")
 
-        # sort for timestamp in desc order 
+        # sort for timestamp in desc order
         tdSql.query("select * from st order by ts desc")
         tdSql.checkColumnSorted(0, "desc")
 
+        for i in range(1, 10):
+            tdSql.error("select * from st order by tbcol%d" % i)
+            tdSql.error("select * from st order by tbcol%d asc" % i)
+            tdSql.error("select * from st order by tbcol%d desc" % i)
 
-        for i in range(1, 10):            
-            tdSql.error("select * from st order by tbcol%d" % i)            
-            tdSql.error("select * from st order by tbcol%d asc" % i)                    
-            tdSql.error("select * from st order by tbcol%d desc" % i)   
-            
-            tdSql.query("select avg(tbcol1) from st group by tagcol%d order by tagcol%d" % (i, i))        
+            tdSql.query(
+                "select avg(tbcol1) from st group by tagcol%d order by tagcol%d" %
+                (i, i))
             tdSql.checkColumnSorted(1, "")
 
-            tdSql.query("select avg(tbcol1) from st group by tagcol%d order by tagcol%d asc" % (i, i))        
+            tdSql.query(
+                "select avg(tbcol1) from st group by tagcol%d order by tagcol%d asc" %
+                (i, i))
             tdSql.checkColumnSorted(1, "asc")
-            
-            tdSql.query("select avg(tbcol1) from st group by tagcol%d order by tagcol%d desc" % (i, i))        
-            tdSql.checkColumnSorted(1, "desc")       
-                                           
+
+            tdSql.query(
+                "select avg(tbcol1) from st group by tagcol%d order by tagcol%d desc" %
+                (i, i))
+            tdSql.checkColumnSorted(1, "desc")
+
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/pytest/random-test/random-test.py b/tests/pytest/random-test/random-test.py
index 5eb356960ab5207824c4eb4d1f75323b530ca5dd..31ce70e90a291659137d6abbc539cf297ff62411 100644
--- a/tests/pytest/random-test/random-test.py
+++ b/tests/pytest/random-test/random-test.py
@@ -97,6 +97,8 @@ class Test:
                 "create table %s using %s tags (1, '表1')" %
                 (current_tb, self.last_stb))
             self.last_tb = current_tb
+            self.written = 0
+
             tdSql.execute(
                 "insert into %s values (now, 27, '我是nchar字符串')" %
                 self.last_tb)
diff --git a/tests/pytest/regressiontest.sh b/tests/pytest/regressiontest.sh
index 22cc9d9af2f8d3d2c6014ab5a6feabf0da4e05ea..474124f4be516b560079fd0fa6cf51c9c886a75a 100755
--- a/tests/pytest/regressiontest.sh
+++ b/tests/pytest/regressiontest.sh
@@ -48,7 +48,7 @@ python3 ./test.py -f tag_lite/float.py
 python3 ./test.py -f tag_lite/int_binary.py
 python3 ./test.py -f tag_lite/int_float.py
 python3 ./test.py -f tag_lite/int.py
-# python3 ./test.py -f tag_lite/set.py
+python3 ./test.py -f tag_lite/set.py
 python3 ./test.py -f tag_lite/smallint.py
 python3 ./test.py -f tag_lite/tinyint.py
 
diff --git a/tests/pytest/table/tablename-boundary.py b/tests/pytest/table/tablename-boundary.py
index 6ce986c51e44209bdb68d0bebef8323a71d78d7c..0755e7535577b32c52539ab46259b53096455808 100644
--- a/tests/pytest/table/tablename-boundary.py
+++ b/tests/pytest/table/tablename-boundary.py
@@ -18,7 +18,10 @@ class TDTestCase:
         tdSql.prepare()
 
         getTableNameLen = "grep -w '#define TSDB_TABLE_NAME_LEN' ../../src/inc/taosdef.h|awk '{print $3}'"
-        tableNameMaxLen = int( subprocess.check_output(getTableNameLen, shell=True)) - 1
+        tableNameMaxLen = int(
+            subprocess.check_output(
+                getTableNameLen,
+                shell=True)) - 1
         tdLog.info("table name max length is %d" % tableNameMaxLen)
         chars = string.ascii_uppercase + string.ascii_lowercase
         tb_name = ''.join(random.choices(chars, k=tableNameMaxLen))
diff --git a/tests/pytest/tag_lite/change.py b/tests/pytest/tag_lite/change.py
index 7cbef188b2aede9e87655372f60b72b603c984be..b8ddc3ff87ae921c9958f3242e681971a1b865ab 100644
--- a/tests/pytest/tag_lite/change.py
+++ b/tests/pytest/tag_lite/change.py
@@ -93,9 +93,13 @@ class TDTestCase:
         tdSql.error("alter table ta_ch_mt2 change tag tgcol1 tgcol2")
         # TSIM: return -1
         # TSIM: step22:
-        # TSIM: sql alter table $mt change tag tgcol1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x step20
-        tdLog.info("alter table ta_ch_mt2 change tag tgcol1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x step20")
-        tdSql.error("alter table ta_ch_mt2 change tag tgcol1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x step20")
+        # TSIM: sql alter table $mt change tag tgcol1
+        # xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x
+        # step20
+        tdLog.info(
+            "alter table ta_ch_mt2 change tag tgcol1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x step20")
+        tdSql.error(
+            "alter table ta_ch_mt2 change tag tgcol1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -x step20")
         # TSIM: return -1
         # TSIM: step20:
         # TSIM:
@@ -267,8 +271,10 @@ class TDTestCase:
         tdSql.execute(
             'create table ta_ch_mt6 (ts timestamp, tbcol int) TAGS(tgcol1 binary(10), tgcol2 int, tgcol3 smallint, tgcol4 binary(11), tgcol5 double, tgcol6 binary(20))')
         # TSIM: sql create table $tb using $mt tags( '1', 2, 3, '4', 5, '6' )
-        tdLog.info("create table tb6 using ta_ch_mt6 tags( '1', 2, 3, '4', 5, '6' )")
-        tdSql.execute("create table tb6 using ta_ch_mt6 tags( '1', 2, 3, '4', 5, '6' )")
+        tdLog.info(
+            "create table tb6 using ta_ch_mt6 tags( '1', 2, 3, '4', 5, '6' )")
+        tdSql.execute(
+            "create table tb6 using ta_ch_mt6 tags( '1', 2, 3, '4', 5, '6' )")
         # TSIM: sql insert into $tb values(now, 1)
         tdLog.info("insert into tb6 values(now, 1)")
         tdSql.execute("insert into tb6 values(now, 1)")
diff --git a/tests/pytest/tag_lite/delete.py b/tests/pytest/tag_lite/delete.py
index 88615e04064cb3b1fd50c6c2bd8909202968471c..17b4deb815e7a05aaa5eaf33685b95e144d3d59b 100644
--- a/tests/pytest/tag_lite/delete.py
+++ b/tests/pytest/tag_lite/delete.py
@@ -208,14 +208,14 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data23 != 1 then
-        tdLog.info('tdSql.checkData(2, 3, 1)')
-        tdSql.checkData(2, 3, 1)
+        tdLog.info('tdSql.checkData(2, 3, "TAG")')
+        tdSql.checkData(2, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql alter table $mt drop tag tgcol1 -x step40
         tdLog.info('alter table %s drop tag tgcol1 -x step40' % (mt))
-        tdSql.error('alter table %s drop tag tgcol10' % (mt))
+        tdSql.error('alter table %s drop tag tgcol1' % (mt))
         # TSIM: return -1
         # TSIM: step40:
         # TSIM: sql alter table $mt drop tag tgcol2
@@ -263,14 +263,14 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
-        tdLog.info('tdSql.checkData(0, 3, 2)')
-        tdSql.checkData(0, 3, 2)
+        tdLog.info('tdSql.checkData(0, 3, "2")')
+        tdSql.checkData(0, 3, "2")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql alter table $mt drop tag tgcol1 -x step50
         tdLog.info('alter table %s drop tag tgcol1 -x step50' % (mt))
-        tdSql.error('alter table %s drop tag tgcol10' % (mt))
+        tdSql.error('alter table %s drop tag tgcol1' % (mt))
         # TSIM: return -1
         # TSIM: step50:
         # TSIM: sql alter table $mt drop tag tgcol2
@@ -381,8 +381,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 3 then
-        tdLog.info('tdSql.checkData(0, 4, 3)')
-        tdSql.checkData(0, 4, 3)
+        tdLog.info('tdSql.checkData(0, 4, "3")')
+        tdSql.checkData(0, 4, "3")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -420,18 +420,18 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data23 != 1 then
-        tdLog.info('tdSql.checkData(2, 3, 1)')
-        tdSql.checkData(2, 3, 1)
+        tdLog.info('tdSql.checkData(2, 3, "TAG")')
+        tdSql.checkData(2, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data33 != 2 then
-        tdLog.info('tdSql.checkData(3, 3, 2)')
-        tdSql.checkData(3, 3, 2)
+        tdLog.info('tdSql.checkData(3, 3, "TAG")')
+        tdSql.checkData(3, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data43 != 3 then
-        tdLog.info('tdSql.checkData(4, 3, 3)')
-        tdSql.checkData(4, 3, 3)
+        tdLog.info('tdSql.checkData(4, 3, "TAG")')
+        tdSql.checkData(4, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -488,8 +488,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 3 then
-        tdLog.info('tdSql.checkData(0, 4, 3)')
-        tdSql.checkData(0, 4, 3)
+        tdLog.info('tdSql.checkData(0, 4, "3")')
+        tdSql.checkData(0, 4, "3")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -543,13 +543,13 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
-        tdLog.info('tdSql.checkData(0, 3, 2)')
-        tdSql.checkData(0, 3, 2)
+        tdLog.info('tdSql.checkData(0, 3, "2")')
+        tdSql.checkData(0, 3, "2")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 3 then
-        tdLog.info('tdSql.checkData(0, 4, 3)')
-        tdSql.checkData(0, 4, 3)
+        tdLog.info('tdSql.checkData(0, 4, "3")')
+        tdSql.checkData(0, 4, "3")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -600,23 +600,23 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 1 then
-        tdLog.info('tdSql.checkData(0, 2, 1)')
-        tdSql.checkData(0, 2, 1)
+        tdLog.info('tdSql.checkData(0, 2, "1")')
+        tdSql.checkData(0, 2, "1")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
-        tdLog.info('tdSql.checkData(0, 3, 2)')
-        tdSql.checkData(0, 3, 2)
+        tdLog.info('tdSql.checkData(0, 3, "2")')
+        tdSql.checkData(0, 3, "2")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 3 then
-        tdLog.info('tdSql.checkData(0, 4, 3)')
-        tdSql.checkData(0, 4, 3)
+        tdLog.info('tdSql.checkData(0, 4, "3")')
+        tdSql.checkData(0, 4, "3")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 4 then
-        tdLog.info('tdSql.checkData(0, 5, 4)')
-        tdSql.checkData(0, 5, 4)
+        tdLog.info('tdSql.checkData(0, 5, "4")')
+        tdSql.checkData(0, 5, "4")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -690,8 +690,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 5 then
-        tdLog.info('tdSql.checkData(0, 6, 5)')
-        tdSql.checkData(0, 6, 5)
+        tdLog.info('tdSql.checkData(0, 6, "5")')
+        tdSql.checkData(0, 6, "5")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -766,13 +766,13 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 5 then
-        tdLog.info('tdSql.checkData(0, 6, 5)')
-        tdSql.checkData(0, 6, 5)
+        tdLog.info('tdSql.checkData(0, 6, "5")')
+        tdSql.checkData(0, 6, "5")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != 6 then
-        tdLog.info('tdSql.checkData(0, 7, 6)')
-        tdSql.checkData(0, 7, 6)
+        tdLog.info('tdSql.checkData(0, 7, "6")')
+        tdSql.checkData(0, 7, "6")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -830,8 +830,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 1 then
-        tdLog.info('tdSql.checkData(0, 2, 1)')
-        tdSql.checkData(0, 2, 1)
+        tdLog.info('tdSql.checkData(0, 2, "1")')
+        tdSql.checkData(0, 2, "1")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
@@ -845,8 +845,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 4 then
-        tdLog.info('tdSql.checkData(0, 5, 4)')
-        tdSql.checkData(0, 5, 4)
+        tdLog.info('tdSql.checkData(0, 5, "4")')
+        tdSql.checkData(0, 5, "4")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 5.000000000 then
@@ -855,8 +855,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != 6 then
-        tdLog.info('tdSql.checkData(0, 7, 6)')
-        tdSql.checkData(0, 7, 6)
+        tdLog.info('tdSql.checkData(0, 7, "6")')
+        tdSql.checkData(0, 7, "6")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -903,7 +903,11 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -944,7 +948,11 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -985,7 +993,11 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -1026,7 +1038,11 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -1067,23 +1083,27 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step51
         tdLog.info('select * from %s where tgcol2 = 1 -x step51' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 11' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step51:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step52
         tdLog.info('select * from %s where tgcol3 = 1 -x step52' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 12' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step52:
         # TSIM:
@@ -1118,23 +1138,27 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step71
         tdLog.info('select * from %s where tgcol2 = 1 -x step71' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 11' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step71:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step72
         tdLog.info('select * from %s where tgcol3 = 1 -x step72' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 12' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step72:
         # TSIM:
@@ -1169,23 +1193,27 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step81
         tdLog.info('select * from %s where tgcol2 = 1 -x step81' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 11' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step81:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step82
         tdLog.info('select * from %s where tgcol3 = 1 -x step82' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 12' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step82:
         # TSIM:
@@ -1220,23 +1248,27 @@ class TDTestCase:
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step91
         tdLog.info('select * from %s where tgcol3 = 1 -x step91' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 11' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step91:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step92
         tdLog.info('select * from %s where tgcol2 = 1 -x step92' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 12' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step92:
         # TSIM:
@@ -1265,39 +1297,43 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 1 then
-        tdLog.info('tdSql.checkData(0, 2, 1)')
-        tdSql.checkData(0, 2, 1)
+        tdLog.info('tdSql.checkData(0, 2, "1")')
+        tdSql.checkData(0, 2, "1")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != NULL then
         tdLog.info('tdSql.checkData(0, 3, NULL)')
-        tdSql.checkData(0, 3, None)
+        try:
+            tdSql.checkData(0, 3, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != NULL then
-        tdLog.info('tdSql.checkData(0, 5, NULL)')
-        tdSql.checkData(0, 5, None)
+        tdLog.info('tdSql.checkData(0, 5, NULL) out of range')
+        # tdSql.checkData(0, 5, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step101
         tdLog.info('select * from %s where tgcol2 = 1 -x step101' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 101' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step101:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step102
         tdLog.info('select * from %s where tgcol3 = 1 -x step102' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 102' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step102:
         # TSIM: sql select * from $mt where tgcol4 = 1 -x step103
         tdLog.info('select * from %s where tgcol4 = 1 -x step103' % (mt))
-        tdSql.error('select * from %s where tgcol4 = 103' % (mt))
+        tdSql.error('select * from %s where tgcol4 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step103:
         # TSIM:
@@ -1336,34 +1372,34 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != NULL then
-        tdLog.info('tdSql.checkData(0, 5, NULL)')
-        tdSql.checkData(0, 5, None)
+        tdLog.info('tdSql.checkData(0, 5, NULL) out of range')
+        # tdSql.checkData(0, 5, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != NULL then
-        tdLog.info('tdSql.checkData(0, 6, NULL)')
-        tdSql.checkData(0, 6, None)
+        tdLog.info('tdSql.checkData(0, 6, NULL) out of range')
+        # tdSql.checkData(0, 6, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step111
         tdLog.info('select * from %s where tgcol2 = 1 -x step111' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 111' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step111:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step112
         tdLog.info('select * from %s where tgcol3 = 1 -x step112' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 112' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step112:
         # TSIM: sql select * from $mt where tgcol5 = 1 -x step113
         tdLog.info('select * from %s where tgcol5 = 1 -x step113' % (mt))
-        tdSql.error('select * from %s where tgcol5 = 113' % (mt))
+        tdSql.error('select * from %s where tgcol5 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step113:
         # TSIM:
@@ -1402,44 +1438,44 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != NULL then
-        tdLog.info('tdSql.checkData(0, 4, NULL)')
-        tdSql.checkData(0, 4, None)
+        tdLog.info('tdSql.checkData(0, 4, NULL) out of range')
+        # tdSql.checkData(0, 4, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != NULL then
-        tdLog.info('tdSql.checkData(0, 5, NULL)')
-        tdSql.checkData(0, 5, None)
+        tdLog.info('tdSql.checkData(0, 5, NULL) out of range')
+        # tdSql.checkData(0, 5, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != NULL then
-        tdLog.info('tdSql.checkData(0, 6, NULL)')
-        tdSql.checkData(0, 6, None)
+        tdLog.info('tdSql.checkData(0, 6, NULL) out of range')
+        # tdSql.checkData(0, 6, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
-        tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        tdLog.info('tdSql.checkData(0, 7, NULL) out of range')
+        # tdSql.checkData(0, 7, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol2 = 1 -x step120
         tdLog.info('select * from %s where tgcol2 = 1 -x step120' % (mt))
-        tdSql.error('select * from %s where tgcol2 = 120' % (mt))
+        tdSql.error('select * from %s where tgcol2 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step120:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step121
         tdLog.info('select * from %s where tgcol3 = 1 -x step121' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 121' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step121:
         # TSIM: sql select * from $mt where tgcol5 = 1 -x step122
         tdLog.info('select * from %s where tgcol5 = 1 -x step122' % (mt))
-        tdSql.error('select * from %s where tgcol5 = 122' % (mt))
+        tdSql.error('select * from %s where tgcol5 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step122:
         # TSIM: sql select * from $mt where tgcol6 = 1 -x step123
         tdLog.info('select * from %s where tgcol6 = 1 -x step123' % (mt))
-        tdSql.error('select * from %s where tgcol6 = 123' % (mt))
+        tdSql.error('select * from %s where tgcol6 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step123:
         # TSIM:
@@ -1471,8 +1507,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 1 then
-        tdLog.info('tdSql.checkData(0, 2, 1)')
-        tdSql.checkData(0, 2, 1)
+        tdLog.info('tdSql.checkData(0, 2, "1")')
+        tdSql.checkData(0, 2, "1")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
@@ -1486,34 +1522,34 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != NULL then
-        tdLog.info('tdSql.checkData(0, 5, NULL)')
-        tdSql.checkData(0, 5, None)
+        tdLog.info('tdSql.checkData(0, 5, NULL) out of range')
+        # tdSql.checkData(0, 5, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != NULL then
-        tdLog.info('tdSql.checkData(0, 6, NULL)')
-        tdSql.checkData(0, 6, None)
+        tdLog.info('tdSql.checkData(0, 6, NULL) out of range')
+        # tdSql.checkData(0, 6, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
-        tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        tdLog.info('tdSql.checkData(0, 7, NULL) out of range')
+        # tdSql.checkData(0, 7, None)
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: sql select * from $mt where tgcol3 = 1 -x step130
         tdLog.info('select * from %s where tgcol3 = 1 -x step130' % (mt))
-        tdSql.error('select * from %s where tgcol3 = 130' % (mt))
+        tdSql.error('select * from %s where tgcol3 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step130:
         # TSIM: sql select * from $mt where tgcol4 = 1 -x step131
         tdLog.info('select * from %s where tgcol4 = 1 -x step131' % (mt))
-        tdSql.error('select * from %s where tgcol4 = 131' % (mt))
+        tdSql.error('select * from %s where tgcol4 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step131:
         # TSIM: sql select * from $mt where tgcol6 = 1 -x step133
         tdLog.info('select * from %s where tgcol6 = 1 -x step133' % (mt))
-        tdSql.error('select * from %s where tgcol6 = 133' % (mt))
+        tdSql.error('select * from %s where tgcol6 = 1' % (mt))
         # TSIM: return -1
         # TSIM: step133:
         # TSIM:
@@ -1542,23 +1578,23 @@ class TDTestCase:
         # TSIM:
         # TSIM: sql alter table xxmt drop tag tag1 -x step141
         tdLog.info('alter table xxmt drop tag tag1 -x step141')
-        tdSql.error('alter table xxmt drop tag tag141')
+        tdSql.error('alter table xxmt drop tag tag1')
         # TSIM: return -1
         # TSIM: step141:
         # TSIM: sql alter table $tb drop tag tag1 -x step142
         tdLog.info('alter table %s drop tag tag1 -x step142' % (tb))
-        tdSql.error('alter table %s drop tag tag142' % (tb))
+        tdSql.error('alter table %s drop tag tag1' % (tb))
         # TSIM: return -1
         # TSIM: step142:
         # TSIM: sql alter table $mt drop tag tag1 -x step143
         tdLog.info('alter table %s drop tag tag1 -x step143' % (mt))
-        tdSql.error('alter table %s drop tag tag143' % (mt))
+        tdSql.error('alter table %s drop tag tag1' % (mt))
         # TSIM: return -1
         # TSIM: step143:
         # TSIM:
         # TSIM: sql alter table $mt drop tag tagcol1 -x step144
         tdLog.info('alter table %s drop tag tagcol1 -x step144' % (mt))
-        tdSql.error('alter table %s drop tag tagcol144' % (mt))
+        tdSql.error('alter table %s drop tag tagcol1' % (mt))
         # TSIM: return -1
         # TSIM: step144:
         # TSIM:
@@ -1567,15 +1603,15 @@ class TDTestCase:
         tdSql.execute('alter table %s drop tag tgcol2' % (mt))
         # TSIM: sql alter table $mt drop tag tgcol1 -x step145
         tdLog.info('alter table %s drop tag tgcol1 -x step145' % (mt))
-        tdSql.error('alter table %s drop tag tgcol145' % (mt))
+        tdSql.error('alter table %s drop tag tgcol1' % (mt))
         # TSIM: return -1
         # TSIM: step145:
         # TSIM:
         # TSIM: print =============== clear
         tdLog.info('=============== clear')
         # TSIM: sql drop database $db
-        tdLog.info('sql drop database $db')
-        tdSql.execute('sql drop database $db')
+        tdLog.info('drop database db')
+        tdSql.execute('drop database db')
         # TSIM: sql show databases
         tdLog.info('show databases')
         tdSql.query('show databases')
diff --git a/tests/pytest/tag_lite/set.py b/tests/pytest/tag_lite/set.py
index 2573600dc46ce3f6d54ab54471ab6f3cd40f7f16..1e3cdfaa93b4df421d12837af0b0db043ea92abd 100644
--- a/tests/pytest/tag_lite/set.py
+++ b/tests/pytest/tag_lite/set.py
@@ -178,13 +178,13 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data23 != false then
-        tdLog.info('tdSql.checkData(2, 3, false)')
-        tdSql.checkData(2, 3, false)
+        tdLog.info('tdSql.checkData(2, 3, "TAG")')
+        tdSql.checkData(2, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data33 != 4 then
-        tdLog.info('tdSql.checkData(3, 3, 4)')
-        tdSql.checkData(3, 3, 4)
+        tdLog.info('tdSql.checkData(3, 3, "TAG")')
+        tdSql.checkData(3, 3, "TAG")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -458,8 +458,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
-        tdLog.info('tdSql.checkData(0, 3, 2)')
-        tdSql.checkData(0, 3, 2)
+        tdLog.info('tdSql.checkData(0, 3, "2")')
+        tdSql.checkData(0, 3, "2")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -495,8 +495,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 4 then
-        tdLog.info('tdSql.checkData(0, 3, 4)')
-        tdSql.checkData(0, 3, 4)
+        tdLog.info('tdSql.checkData(0, 3, "4")')
+        tdSql.checkData(0, 3, "4")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -521,8 +521,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 4 then
-        tdLog.info('tdSql.checkData(0, 3, 4)')
-        tdSql.checkData(0, 3, 4)
+        tdLog.info('tdSql.checkData(0, 3, "4")')
+        tdSql.checkData(0, 3, "4")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -567,8 +567,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 1 then
-        tdLog.info('tdSql.checkData(0, 2, 1)')
-        tdSql.checkData(0, 2, 1)
+        tdLog.info('tdSql.checkData(0, 2, "1")')
+        tdSql.checkData(0, 2, "1")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 2 then
@@ -582,8 +582,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 4 then
-        tdLog.info('tdSql.checkData(0, 5, 4)')
-        tdSql.checkData(0, 5, 4)
+        tdLog.info('tdSql.checkData(0, 5, "4")')
+        tdSql.checkData(0, 5, "4")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 5.000000000 then
@@ -592,8 +592,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != 6 then
-        tdLog.info('tdSql.checkData(0, 7, 6)')
-        tdSql.checkData(0, 7, 6)
+        tdLog.info('tdSql.checkData(0, 7, "6")')
+        tdSql.checkData(0, 7, "6")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -636,8 +636,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 7 then
-        tdLog.info('tdSql.checkData(0, 2, 7)')
-        tdSql.checkData(0, 2, 7)
+        tdLog.info('tdSql.checkData(0, 2, "7")')
+        tdSql.checkData(0, 2, "7")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 8 then
@@ -646,8 +646,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 9 then
-        tdLog.info('tdSql.checkData(0, 4, 9)')
-        tdSql.checkData(0, 4, 9)
+        tdLog.info('tdSql.checkData(0, 4, "9")')
+        tdSql.checkData(0, 4, "9")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 10.000000000 then
@@ -656,13 +656,17 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 11 then
-        tdLog.info('tdSql.checkData(0, 6, 11)')
-        tdSql.checkData(0, 6, 11)
+        tdLog.info('tdSql.checkData(0, 6, "11")')
+        tdSql.checkData(0, 6, "11")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
         tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        try:
+            tdSql.checkData(0, 7, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -682,8 +686,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 7 then
-        tdLog.info('tdSql.checkData(0, 2, 7)')
-        tdSql.checkData(0, 2, 7)
+        tdLog.info('tdSql.checkData(0, 2, "7")')
+        tdSql.checkData(0, 2, "7")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 8 then
@@ -692,8 +696,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 9 then
-        tdLog.info('tdSql.checkData(0, 4, 9)')
-        tdSql.checkData(0, 4, 9)
+        tdLog.info('tdSql.checkData(0, 4, "9")')
+        tdSql.checkData(0, 4, "9")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 10.000000000 then
@@ -702,13 +706,17 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 11 then
-        tdLog.info('tdSql.checkData(0, 6, 11)')
-        tdSql.checkData(0, 6, 11)
+        tdLog.info('tdSql.checkData(0, 6, "11")')
+        tdSql.checkData(0, 6, "11")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
         tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        try:
+            tdSql.checkData(0, 7, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -728,8 +736,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 7 then
-        tdLog.info('tdSql.checkData(0, 2, 7)')
-        tdSql.checkData(0, 2, 7)
+        tdLog.info('tdSql.checkData(0, 2, "7")')
+        tdSql.checkData(0, 2, "7")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 8 then
@@ -738,8 +746,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 9 then
-        tdLog.info('tdSql.checkData(0, 4, 9)')
-        tdSql.checkData(0, 4, 9)
+        tdLog.info('tdSql.checkData(0, 4, "9")')
+        tdSql.checkData(0, 4, "9")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 10.000000000 then
@@ -748,13 +756,17 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 11 then
-        tdLog.info('tdSql.checkData(0, 6, 11)')
-        tdSql.checkData(0, 6, 11)
+        tdLog.info('tdSql.checkData(0, 6, "11")')
+        tdSql.checkData(0, 6, "11")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
         tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        try:
+            tdSql.checkData(0, 7, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -774,8 +786,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 7 then
-        tdLog.info('tdSql.checkData(0, 2, 7)')
-        tdSql.checkData(0, 2, 7)
+        tdLog.info('tdSql.checkData(0, 2, "7")')
+        tdSql.checkData(0, 2, "7")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 8 then
@@ -784,8 +796,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 9 then
-        tdLog.info('tdSql.checkData(0, 4, 9)')
-        tdSql.checkData(0, 4, 9)
+        tdLog.info('tdSql.checkData(0, 4, "9")')
+        tdSql.checkData(0, 4, "9")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 10.000000000 then
@@ -794,13 +806,17 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 11 then
-        tdLog.info('tdSql.checkData(0, 6, 11)')
-        tdSql.checkData(0, 6, 11)
+        tdLog.info('tdSql.checkData(0, 6, "11")')
+        tdSql.checkData(0, 6, "11")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
         tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        try:
+            tdSql.checkData(0, 7, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
@@ -820,8 +836,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data02 != 7 then
-        tdLog.info('tdSql.checkData(0, 2, 7)')
-        tdSql.checkData(0, 2, 7)
+        tdLog.info('tdSql.checkData(0, 2, "7")')
+        tdSql.checkData(0, 2, "7")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data03 != 8 then
@@ -830,8 +846,8 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data04 != 9 then
-        tdLog.info('tdSql.checkData(0, 4, 9)')
-        tdSql.checkData(0, 4, 9)
+        tdLog.info('tdSql.checkData(0, 4, "9")')
+        tdSql.checkData(0, 4, "9")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data05 != 10.000000000 then
@@ -840,21 +856,25 @@ class TDTestCase:
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data06 != 11 then
-        tdLog.info('tdSql.checkData(0, 6, 11)')
-        tdSql.checkData(0, 6, 11)
+        tdLog.info('tdSql.checkData(0, 6, "11")')
+        tdSql.checkData(0, 6, "11")
         # TSIM: return -1
         # TSIM: endi
         # TSIM: if $data07 != NULL then
         tdLog.info('tdSql.checkData(0, 7, NULL)')
-        tdSql.checkData(0, 7, None)
+        try:
+            tdSql.checkData(0, 7, None)
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("out of range")
         # TSIM: return -1
         # TSIM: endi
         # TSIM:
         # TSIM: print =============== clear
         tdLog.info('=============== clear')
         # TSIM: sql drop database $db
-        tdLog.info('sql drop database $db')
-        tdSql.execute('sql drop database $db')
+        tdLog.info('drop database db')
+        tdSql.execute('drop database db')
         # TSIM: sql show databases
         tdLog.info('show databases')
         tdSql.query('show databases')
diff --git a/tests/pytest/util/sql.py b/tests/pytest/util/sql.py
index 367217cd49b412c775a8ec08c52168596f66c5d7..f3fd178088b41f18b5b7cd31a98853a6c0b79055 100644
--- a/tests/pytest/util/sql.py
+++ b/tests/pytest/util/sql.py
@@ -205,31 +205,37 @@ class TDSql:
         if col < 0:
             tdLog.exit(
                 "%s failed: sql:%s, col:%d is smaller than zero" %
-                (callerFilename, self.sql, col))        
+                (callerFilename, self.sql, col))
         if col > self.queryCols:
             tdLog.exit(
                 "%s failed: sql:%s, col:%d is larger than queryCols:%d" %
                 (callerFilename, self.sql, col, self.queryCols))
-        
+
         matrix = np.array(self.queryResult)
-        list = matrix[:, 0]        
+        list = matrix[:, 0]
 
-        if order == "" or order.upper() == "ASC": 
-            if all(sorted(list) == list):                
-                tdLog.info("sql:%s, column :%d is sorted in accending order as expected" %
+        if order == "" or order.upper() == "ASC":
+            if all(sorted(list) == list):
+                tdLog.info(
+                    "sql:%s, column :%d is sorted in accending order as expected" %
                     (self.sql, col))
             else:
-                tdLog.exit("%s failed: sql:%s, col:%d is not sorted in accesnind order" %
+                tdLog.exit(
+                    "%s failed: sql:%s, col:%d is not sorted in accesnind order" %
                     (callerFilename, self.sql, col))
-        elif order.upper() == "DESC":            
-            if all(sorted(list, reverse=True) == list):                
-                tdLog.info("sql:%s, column :%d is sorted in decending order as expected" %
+        elif order.upper() == "DESC":
+            if all(sorted(list, reverse=True) == list):
+                tdLog.info(
+                    "sql:%s, column :%d is sorted in decending order as expected" %
                     (self.sql, col))
             else:
-                tdLog.exit("%s failed: sql:%s, col:%d is not sorted in decending order" %
-                    (callerFilename, self.sql, col)) 
+                tdLog.exit(
+                    "%s failed: sql:%s, col:%d is not sorted in decending order" %
+                    (callerFilename, self.sql, col))
         else:
-            tdLog.exit("%s failed: sql:%s, the order provided for col:%d is not correct" %
-                    (callerFilename, self.sql, col)) 
+            tdLog.exit(
+                "%s failed: sql:%s, the order provided for col:%d is not correct" %
+                (callerFilename, self.sql, col))
+
 
 tdSql = TDSql()