test: rowlength64k

tests/system-test/1-insert/rowlength64k.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import random
+import os
+import time
+import taos
+import subprocess
+import string
+from faker import Faker
+from util.log import tdLog
+from util.cases import tdCases
+from util.sql import tdSql
+from util.dnodes import tdDnodes
+from util.dnodes import *
+
+class TDTestCase:
+    updatecfgDict = {'maxSQLLength':1048576,'debugFlag': 143 ,"querySmaOptimize":1}
+    
+    def init(self, conn, logSql, replicaVar):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+        self.testcasePath = os.path.split(__file__)[0]
+        self.testcaseFilename = os.path.split(__file__)[-1]
+        os.system("rm -rf %s/%s.sql" % (self.testcasePath,self.testcaseFilename))
+        
+        now = time.time()
+        self.ts = int(round(now * 1000))
+        self.num = 100
+
+    def get_random_string(self, length):
+        letters = string.ascii_lowercase
+        result_str = ''.join(random.choice(letters) for i in range(length))
+        return result_str
+    
+    def ins_query(self):
+        sql = 'select * from information_schema.ins_tables where table_name match "table"'    
+        tdSql.query(sql)
+        
+        self.stable_query()
+    
+    def stable_query(self):
+        # select * from stable_1 where loc match '[a-z]';
+        show_sql = "show db.stables;"
+        tdSql.query(show_sql) 
+        queryRows = len(tdSql.queryResult)  
+        for i in range(queryRows):
+            show_sql = "show db.stables;"
+            tdSql.query(show_sql) 
+            stable_name = tdSql.queryResult[i][0]
+            
+            stable_sql = "select * from db.%s where loc match '[a-z]'" %stable_name
+            tdSql.query(stable_sql) 
+
+    def run(self):
+        tdSql.prepare()
+        
+        startTime_all = time.time()  
+
+        print("==============step8,stable table , mix data type==============")
+        sql = "create stable db.stable_16(ts timestamp, "
+        sql += "col4090 int ,"  
+        sql += "col4091 binary(65517))"  
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+        sql = '''create table db.table_160 using db.stable_16 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(16370)
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_160 values(%d, "
+            sql += "'%d'," % i
+            sql += "'%s')" % self.get_random_string(65517)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_160")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_160")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(3)
+
+        self.ins_query()
+        
+        #insert null value 
+        tdLog.info('test insert null value') 
+        sql = '''create table db.table_161 using db.stable_16 
+                    tags('table_61' , '1' , '2' , '3' );'''
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_161(ts) values(%d) "
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_161")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_161")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(3)
+
+        #define TSDB_MAX_BYTES_PER_ROW 65531   TSDB_MAX_TAGS_LEN 16384 
+        #ts:8\int:4\smallint:2\bigint:8\bool:1\float:4\tinyint:1\nchar:4*（）+2[offset]\binary:1*（）+2[offset]
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_17(ts timestamp, "  
+        sql += "col4090 int,"  
+        sql += "col4091 binary(65517))"    
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " #4*3+16370+2
+        tdSql.execute(sql)
+        sql = '''create table db.table_170 using db.stable_17 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(16370)
+        tdSql.execute(sql)
+        tdSql.query("select * from db.table_170")
+        tdSql.checkCols(3)
+        tdSql.query("describe db.table_170")
+        tdSql.checkRows(7)
+
+        self.ins_query()
+
+        tdLog.info('test super table drop and add column or tag') 
+        sql = "alter stable db.stable_17 drop column col4091; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_17 add column col4091 binary(65518); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_17 add column col4091 binary(65517); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+
+        self.ins_query()
+        
+        sql = "alter stable db.stable_17 drop tag loc; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_17 add tag loc binary(16371); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_17 add tag loc binary(16370); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+
+        sql = "alter stable db.stable_17 drop tag tag_1; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_17 add tag tag_1 int; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_17; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+        sql = "alter table db.stable_17 add tag loc1 nchar(10); "
+        tdSql.error(sql) 
+
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_18(ts timestamp, "
+        sql += "col4091 binary(65518))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        tdLog.info('test super table max bytes per row tag 16384') 
+        sql = "create table db.stable_18(ts timestamp, "
+        sql += "col4091 binary(65517))"  
+        sql += " tags (loc binary(16371),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        self.ins_query()
+        
+        print("==============step9,stable table , mix data type==============")
+        sql = "create stable db.stable_26(ts timestamp, "
+        sql += "col4090 int ,"  
+        sql += "col4091 binary(65517))"  
+        sql += " tags (loc nchar(4092),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+        sql = '''create table db.table_260 using db.stable_26 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(4092)
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_260 values(%d, "
+            sql += "'%d'," % i
+            sql += "'%s')" % self.get_random_string(65517)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_260")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_260")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(3)
+
+        self.ins_query()
+        
+        #insert null value 
+        tdLog.info('test insert null value') 
+        sql = '''create table db.table_261 using db.stable_26 
+                    tags('table_261' , '1' , '2' , '3' );'''
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_261(ts) values(%d) "
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_261")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_261")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(3)
+
+        #define TSDB_MAX_BYTES_PER_ROW 65531   TSDB_MAX_TAGS_LEN 16384 
+        #ts:8\int:4\smallint:2\bigint:8\bool:1\float:4\tinyint:1\nchar:4*（）+2[offset]\binary:1*（）+2[offset]
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_27(ts timestamp, "  
+        sql += "col4090 int,"  
+        sql += "col4091 binary(65517))"    
+        sql += " tags (loc nchar(4092),tag_1 int,tag_2 int,tag_3 int) " #4*3+16370+2
+        tdSql.execute(sql)
+        sql = '''create table db.table_270 using db.stable_27 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(4092)
+        tdSql.execute(sql)
+        tdSql.query("select * from db.table_270")
+        tdSql.checkCols(3)
+        tdSql.query("describe db.table_270")
+        tdSql.checkRows(7)
+
+        self.ins_query()
+
+        tdLog.info('test super table drop and add column or tag') 
+        sql = "alter stable db.stable_27 drop column col4091; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_27 add column col4091 binary(65518); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_27 add column col4091 binary(65517); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+
+        self.ins_query()
+        
+        sql = "alter stable db.stable_27 drop tag loc; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_27 add tag loc binary(16371); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_27 add tag loc binary(16370); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+
+        sql = "alter stable db.stable_27 drop tag tag_1; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(6)
+        sql = "alter table db.stable_27 add tag tag_1 int; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_27; "
+        tdSql.query(sql)
+        tdSql.checkCols(7) 
+        sql = "alter table db.stable_27 add tag loc1 nchar(10); "
+        tdSql.error(sql) 
+
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_28(ts timestamp, "
+        sql += "col4091 binary(65518))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        tdLog.info('test super table max bytes per row tag 16384') 
+        sql = "create table db.stable_28(ts timestamp, "
+        sql += "col4091 binary(65517))"  
+        sql += " tags (loc binary(16371),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        self.ins_query()
+
+        print("==============step1, regular table, 1 ts + 4094 cols + 1 binary==============")
+        startTime = time.time() 
+        sql = "create table db.regular_table_1(ts timestamp, "
+        for i in range(4094):
+            sql += "col%d int, " % (i + 1)
+        sql += "col4095 binary(22))"  
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.regular_table_1 values(%d, "
+            for j in range(4094):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_1")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.regular_table_1")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4096)
+
+        self.ins_query()
+
+        endTime = time.time()
+        print("total time %ds" % (endTime - startTime))
+
+        #insert in order
+        tdLog.info('test insert in order') 
+        for i in range(self.num):
+            sql = "insert into db.regular_table_1 (ts,col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col4095) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 1000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_1")
+        tdSql.checkData(0, 0, 2*self.num)
+        tdSql.query("select * from db.regular_table_1")
+        tdSql.checkRows(2*self.num)
+        tdSql.checkCols(4096)
+
+        #insert out of order
+        tdLog.info('test insert out of order') 
+        for i in range(self.num):
+            sql = "insert into db.regular_table_1 (ts,col123,col2213,col331,col41,col523,col236,col71,col813,col912,col1320,col4095) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 2000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_1")
+        tdSql.checkData(0, 0, 3*self.num)
+        tdSql.query("select * from db.regular_table_1")
+        tdSql.checkRows(3*self.num)
+        tdSql.checkCols(4096)
+
+        self.ins_query()
+
+
+        print("==============step2,regular table error col or value==============")
+        tdLog.info('test regular table exceeds row num') 
+        # column > 4096
+        sql = "create table db.regular_table_2(ts timestamp, "
+        for i in range(4095):
+            sql += "col%d int, " % (i + 1)
+        sql += "col4096 binary(22))"  
+        tdLog.info(len(sql))      
+        tdSql.error(sql)
+
+        self.ins_query()
+        
+        # column > 4096
+        sql = "insert into db.regular_table_1 values(%d, "
+        for j in range(4095):
+            str = "'%s', " % random.randint(0,1000)                
+            sql += str
+        sql += "'%s')" % self.get_random_string(22)
+        tdSql.error(sql)
+
+        # insert column < 4096
+        sql = "insert into db.regular_table_1 values(%d, "
+        for j in range(4092):
+            str = "'%s', " % random.randint(0,1000)                
+            sql += str
+        sql += "'%s')" % self.get_random_string(22)
+        tdSql.error(sql)
+
+        # alter column > 4096
+        sql = "alter table db.regular_table_1 add column max int; "
+        tdSql.error(sql)
+
+        self.ins_query()
+
+        print("==============step3,regular table , mix data type==============")
+        startTime = time.time() 
+        sql = "create table db.regular_table_3(ts timestamp, "
+        for i in range(2000):
+            sql += "col%d int, " % (i + 1)
+        for i in range(2000,4094):
+            sql += "col%d bigint, " % (i + 1)
+        sql += "col4095 binary(22))"  
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.regular_table_3 values(%d, "
+            for j in range(4094):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_3")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.regular_table_3")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4096)
+
+        self.ins_query()
+
+        endTime = time.time()
+        print("total time %ds" % (endTime - startTime))
+
+        sql = "create table db.regular_table_4(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(4), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(10), " % (i + 1)
+        for i in range(4090,4094):
+            sql += "timestamp_%d timestamp, " % (i + 1)
+        sql += "col4095 binary(22))"  
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+
+        self.ins_query()
+
+        for i in range(self.num):
+            sql = "insert into db.regular_table_4 values(%d, "
+            for j in range(500):
+                str = "'%s', " % random.randint(-2147483647,2147483647)                
+                sql += str
+            for j in range(500,1000):
+                str = "'%s', " % random.randint(-32767,32767 )                
+                sql += str
+            for j in range(1000,1500):
+                str = "'%s', " % random.randint(-127,127)                
+                sql += str
+            for j in range(1500,2000):
+                str = "'%s', " % random.randint(-922337203685477580700,922337203685477580700)                
+                sql += str
+            for j in range(2000,2500):
+                str = "'%s', " % random.randint(-92233720368547758070,92233720368547758070)                
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true','false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            for j in range(4090,4094):
+                str = "%s, " % (self.ts + j)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_4")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.regular_table_4")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4096)
+        tdLog.info("end ,now new one")
+
+        self.ins_query()
+
+        #insert null value 
+        tdLog.info('test insert null value') 
+        for i in range(self.num):
+            sql = "insert into db.regular_table_4 values(%d, "
+            for j in range(2500):
+                str = "'%s', " % random.choice(['NULL' ,'NULL' ,'NULL' ,1 , 10 ,100 ,-100 ,-10, 88 ,66 ,'NULL' ,'NULL' ,'NULL' ])               
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true' ,'false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            for j in range(4090,4094):
+                str = "%s, " % (self.ts + j)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 10000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_4")
+        tdSql.checkData(0, 0, 2*self.num)
+        tdSql.query("select * from db.regular_table_4")
+        tdSql.checkRows(2*self.num)
+        tdSql.checkCols(4096)
+
+        #insert in order
+        tdLog.info('test insert in order') 
+        for i in range(self.num):
+            sql = "insert into db.regular_table_4 (ts,int_2,int_22,int_169,smallint_537,smallint_607,tinyint_1030,tinyint_1491,double_1629,double_1808,float_2075,col4095) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 1000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_4")
+        tdSql.checkData(0, 0, 3*self.num)
+        tdSql.query("select * from db.regular_table_4")
+        tdSql.checkRows(3*self.num)
+        tdSql.checkCols(4096)
+
+        self.ins_query()
+
+        #insert out of order
+        tdLog.info('test insert out of order') 
+        for i in range(self.num):
+            sql = "insert into db.regular_table_4 (ts,int_169,float_2075,int_369,tinyint_1491,tinyint_1030,float_2360,smallint_537,double_1808,double_1608,double_1629,col4095) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 2000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.regular_table_4")
+        tdSql.checkData(0, 0, 4*self.num)
+        tdSql.query("select * from db.regular_table_4")
+        tdSql.checkRows(4*self.num)
+        tdSql.checkCols(4096)
+
+        #define TSDB_MAX_BYTES_PER_ROW 49151[old:1024 && 16384]
+        # 3.0 old: tag binary max is 16384, col+ts binary max  49151
+        # 3.0 new: tag binary max is 16384-2, col+ts binary max 65531
+        #ts:8\int:4\smallint:2\bigint:8\bool:1\float:4\tinyint:1\nchar:4*（）+2[offset]\binary:1*（）+2[offset]
+        tdLog.info('test regular_table max bytes per row 65531') 
+        sql = "create table db.regular_table_5(ts timestamp, " #1*8 sum=8
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)   #500*4=2000 sum=2008
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1) #500*2=1000 sum=3008
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)  #500*1=500 sum=3508
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1) #500*8=4000 sum=7508
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1) #500*4=2000 sum=9508
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1) #500*1=500 sum=10008
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1) #500*8=4000 sum=14008
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1) #300*(32*4+2)=39000 sum=53008
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1) #290*(40+2)=12180 sum=65188
+        for i in range(4090,4094):
+            sql += "timestamp_%d timestamp, " % (i + 1) #4*8=32   sum=65220
+        sql += "col4095 binary(309))"       #309+2=311 sum=65531
+        tdSql.execute(sql)
+        tdSql.query("select * from db.regular_table_5")
+        tdSql.checkCols(4096)
+        
+        sql = "alter table db.regular_table_5 modify column col4095 binary(310); "
+        tdSql.error(sql)    
+
+        self.ins_query() 
+        
+        # drop and add
+        sql = "alter table db.regular_table_5 drop column col4095; "
+        tdSql.execute(sql)
+        sql = "select * from db.regular_table_5; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.regular_table_5 add column col4095 binary(310); "
+        tdSql.error(sql) 
+        sql = "alter table db.regular_table_5 add column col4095 binary(309); "
+        tdSql.execute(sql)
+        sql = "select * from db.regular_table_5; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096)  
+
+        #out TSDB_MAX_BYTES_PER_ROW 65531
+        tdLog.info('test regular_table max bytes per row out 65531') 
+        sql = "create table db.regular_table_6(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1)
+        for i in range(4090,4094):
+            sql += "timestamp_%d timestamp, " % (i + 1)
+        sql += "col4095 binary(310))"  
+        tdLog.info(len(sql))      
+        tdSql.error(sql)
+
+        self.ins_query()
+
+
+        print("==============step4, super table , 1 ts + 4090 cols + 4 tags ==============")
+        startTime = time.time() 
+        sql = "create stable db.stable_1(ts timestamp, "
+        for i in range(4090):
+            sql += "col%d int, " % (i + 1)
+        sql += "col4091 binary(22))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+        sql = '''create table db.table_0 using db.stable_1 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(10)
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_0 values(%d, "
+            for j in range(4090):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_0")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_0")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        sql = '''create table db.table_1 using db.stable_1 
+                    tags('%s' , '1' , '2' , '3' );'''% self.get_random_string(10)
+        tdSql.execute(sql)
+
+        self.ins_query()
+
+        for i in range(self.num):
+            sql = "insert into db.table_1 values(%d, "
+            for j in range(2080):                
+                sql += "'%d', " % random.randint(0,1000)
+            for j in range(2080,4080):                
+                sql += "'%s', " % 'NULL'
+            for j in range(4080,4090):                
+                sql += "'%s', " % random.randint(0,10000)
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_1")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_1")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        endTime = time.time()
+        print("total time %ds" % (endTime - startTime))
+
+        #insert in order
+        tdLog.info('test insert in order')
+        for i in range(self.num):
+            sql = "insert into db.table_1 (ts,col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 1000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_1")
+        tdSql.checkData(0, 0, 2*self.num)
+        tdSql.query("select * from db.table_1")
+        tdSql.checkRows(2*self.num)
+        tdSql.checkCols(4092)
+
+        #insert out of order
+        tdLog.info('test insert out of order') 
+        for i in range(self.num):
+            sql = "insert into db.table_1 (ts,col123,col2213,col331,col41,col523,col236,col71,col813,col912,col1320,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,1000)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 2000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_1")
+        tdSql.checkData(0, 0, 3*self.num)
+        tdSql.query("select * from db.table_1")
+        tdSql.checkRows(3*self.num)
+        tdSql.checkCols(4092)
+
+        self.ins_query()
+
+        print("==============step5,stable table , mix data type==============")
+        sql = "create stable db.stable_3(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(4), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(10), " % (i + 1)
+        sql += "col4091 binary(22))"  
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+        sql = '''create table db.table_30 using db.stable_3 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+
+        self.ins_query()
+
+        for i in range(self.num):
+            sql = "insert into db.table_30 values(%d, "
+            for j in range(500):
+                str = "'%s', " % random.randint(-2147483647,2147483647)                
+                sql += str
+            for j in range(500,1000):
+                str = "'%s', " % random.randint(-32767,32767 )                
+                sql += str
+            for j in range(1000,1500):
+                str = "'%s', " % random.randint(-127,127)                
+                sql += str
+            for j in range(1500,2000):
+                str = "'%s', " % random.randint(-922337203685477580700,922337203685477580700)                
+                sql += str
+            for j in range(2000,2500):
+                str = "'%s', " % random.randint(-92233720368547758070,92233720368547758070)                
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true','false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_30")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_30")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        #insert null value 
+        tdLog.info('test insert null value') 
+        sql = '''create table db.table_31 using db.stable_3 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+
+        for i in range(self.num):
+            sql = "insert into db.table_31 values(%d, "
+            for j in range(2500):
+                str = "'%s', " % random.choice(['NULL' ,'NULL' ,'NULL' ,1 , 10 ,100 ,-100 ,-10, 88 ,66 ,'NULL' ,'NULL' ,'NULL' ])               
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true' ,'false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_31")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_31")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        self.ins_query()
+
+        #insert in order
+        tdLog.info('test insert in order') 
+        for i in range(self.num):
+            sql = "insert into db.table_31 (ts,int_2,int_22,int_169,smallint_537,smallint_607,tinyint_1030,tinyint_1491,double_1629,double_1808,float_2075,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 1000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_31")
+        tdSql.checkData(0, 0, 2*self.num)
+        tdSql.query("select * from db.table_31")
+        tdSql.checkRows(2*self.num)
+        tdSql.checkCols(4092)
+
+        #insert out of order
+        tdLog.info('test insert out of order') 
+        for i in range(self.num):
+            sql = "insert into db.table_31 (ts,int_169,float_2075,int_369,tinyint_1491,tinyint_1030,float_2360,smallint_537,double_1808,double_1608,double_1629,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 2000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_31")
+        tdSql.checkData(0, 0, 3*self.num)
+        tdSql.query("select * from db.table_31")
+        tdSql.checkRows(3*self.num)
+        tdSql.checkCols(4092)
+
+        #define TSDB_MAX_BYTES_PER_ROW 65531   TSDB_MAX_TAGS_LEN 16384 
+        #ts:8\int:4\smallint:2\bigint:8\bool:1\float:4\tinyint:1\nchar:4*（）+2[offset]\binary:1*（）+2[offset]
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_4(ts timestamp, "  #1*8 sum=8
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)   #500*4=2000 sum=2008
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1) #500*2=1000 sum=3008
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)  #500*1=500 sum=3508
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1) #500*8=4000 sum=7508
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1) #500*4=2000 sum=9508
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1) #500*1=500 sum=10008
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1) #500*8=4000 sum=14008
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1) #300*(32*4+2)=39000 sum=53008
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1) #290*(40+2)=12180 sum=65188
+        sql += "col4091 binary(341))"    #341+2=343 sum=65531
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.execute(sql)
+        sql = '''create table db.table_40 using db.stable_4 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+        tdSql.query("select * from db.table_40")
+        tdSql.checkCols(4092)
+        tdSql.query("describe db.table_40")
+        tdSql.checkRows(4096)
+
+        tdLog.info('test super table drop and add column or tag') 
+        sql = "alter stable db.stable_4 drop column col4091; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_4; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.stable_4 add column col4091 binary(342); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_4 add column col4091 binary(341); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_4; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096) 
+
+        self.ins_query()
+
+        sql = "alter stable db.stable_4 drop tag tag_1; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_4; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.stable_4 add tag tag_1 int; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_4; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096) 
+        sql = "alter table db.stable_4 add tag loc1 nchar(10); "
+        tdSql.error(sql) 
+
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_5(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1)
+        sql += "col4091 binary(342))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        self.ins_query()
+        
+        print("==============step6,stable table , mix data type==============")
+        sql = "create stable db.stable_6(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(4), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(10), " % (i + 1)
+        sql += "col4091 binary(22))"  
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.execute(sql)
+        sql = '''create table db.table_60 using db.stable_6 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+
+        self.ins_query()
+
+        for i in range(self.num):
+            sql = "insert into db.table_60 values(%d, "
+            for j in range(500):
+                str = "'%s', " % random.randint(-2147483647,2147483647)                
+                sql += str
+            for j in range(500,1000):
+                str = "'%s', " % random.randint(-32767,32767 )                
+                sql += str
+            for j in range(1000,1500):
+                str = "'%s', " % random.randint(-127,127)                
+                sql += str
+            for j in range(1500,2000):
+                str = "'%s', " % random.randint(-922337203685477580700,922337203685477580700)                
+                sql += str
+            for j in range(2000,2500):
+                str = "'%s', " % random.randint(-92233720368547758070,92233720368547758070)                
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true','false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_60")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_60")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        #insert null value 
+        tdLog.info('test insert null value') 
+        sql = '''create table db.table_61 using db.stable_6 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+
+        self.ins_query()
+
+        for i in range(self.num):
+            sql = "insert into db.table_61 values(%d, "
+            for j in range(2500):
+                str = "'%s', " % random.choice(['NULL' ,'NULL' ,'NULL' ,1 , 10 ,100 ,-100 ,-10, 88 ,66 ,'NULL' ,'NULL' ,'NULL' ])               
+                sql += str
+            for j in range(2500,3000):
+                str = "'%s', " % random.choice(['true' ,'false'])               
+                sql += str
+            for j in range(3000,3500):
+                str = "'%s', " % random.randint(-9223372036854775807,9223372036854775807)                
+                sql += str
+            for j in range(3500,3800):
+                str = "'%s', " % self.get_random_string(4)                
+                sql += str
+            for j in range(3800,4090):
+                str = "'%s', " % self.get_random_string(10)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_61")
+        tdSql.checkData(0, 0, self.num)
+        tdSql.query("select * from db.table_61")
+        tdSql.checkRows(self.num)
+        tdSql.checkCols(4092)
+
+        #insert in order
+        tdLog.info('test insert in order') 
+        for i in range(self.num):
+            sql = "insert into db.table_61 (ts,int_2,int_22,int_169,smallint_537,smallint_607,tinyint_1030,tinyint_1491,double_1629,double_1808,float_2075,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 1000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_61")
+        tdSql.checkData(0, 0, 2*self.num)
+        tdSql.query("select * from db.table_61")
+        tdSql.checkRows(2*self.num)
+        tdSql.checkCols(4092)
+
+        #insert out of order
+        tdLog.info('test insert out of order') 
+        for i in range(self.num):
+            sql = "insert into db.table_61 (ts,int_169,float_2075,int_369,tinyint_1491,tinyint_1030,float_2360,smallint_537,double_1808,double_1608,double_1629,col4091) values(%d, "
+            for j in range(10):
+                str = "'%s', " % random.randint(0,100)                
+                sql += str
+            sql += "'%s')" % self.get_random_string(22)
+            tdSql.execute(sql % (self.ts + i + 2000))
+        time.sleep(1)
+        tdSql.query("select count(*) from db.table_61")
+        tdSql.checkData(0, 0, 3*self.num)
+        tdSql.query("select * from db.table_61")
+        tdSql.checkRows(3*self.num)
+        tdSql.checkCols(4092)
+
+        self.ins_query()
+
+        #define TSDB_MAX_BYTES_PER_ROW 65531   TSDB_MAX_TAGS_LEN 16384 
+        #ts:8\int:4\smallint:2\bigint:8\bool:1\float:4\tinyint:1\nchar:4*（）+2[offset]\binary:1*（）+2[offset]
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_7(ts timestamp, "  #1*8 sum=8
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)   #500*4=2000 sum=2008
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1) #500*2=1000 sum=3008
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)  #500*1=500 sum=3508
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1) #500*8=4000 sum=7508
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1) #500*4=2000 sum=9508
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1) #500*1=500 sum=10008
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1) #500*8=4000 sum=14008
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1) #300*(32*4+2)=39000 sum=53008
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1) #290*(40+2)=12180 sum=65188
+        sql += "col4091 binary(341))"    #341+2=343 sum=65531
+        sql += " tags (loc binary(16370),tag_1 int,tag_2 int,tag_3 int) " #4*3+16370+2
+        tdSql.execute(sql)
+        sql = '''create table db.table_70 using db.stable_7 
+                    tags('%s' , '1' , '2' , '3' );'''%self.get_random_string(16370)
+        tdSql.execute(sql)
+        tdSql.query("select * from db.table_70")
+        tdSql.checkCols(4092)
+        tdSql.query("describe db.table_70")
+        tdSql.checkRows(4096)
+
+        tdLog.info('test super table drop and add column or tag') 
+        sql = "alter stable db.stable_7 drop column col4091; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.stable_7 add column col4091 binary(342); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_7 add column col4091 binary(341); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096) 
+        
+        sql = "alter stable db.stable_7 drop tag loc; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.stable_7 add tag loc binary(16371); "
+        tdSql.error(sql) 
+        sql = "alter table db.stable_7 add tag loc binary(16370); "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096) 
+
+        sql = "alter stable db.stable_7 drop tag tag_1; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4095)
+        sql = "alter table db.stable_7 add tag tag_1 int; "
+        tdSql.execute(sql)
+        sql = "select * from db.stable_7; "
+        tdSql.query(sql)
+        tdSql.checkCols(4096) 
+        sql = "alter table db.stable_7 add tag loc1 nchar(10); "
+        tdSql.error(sql) 
+
+        self.ins_query()
+
+        tdLog.info('test super table max bytes per row 65531') 
+        sql = "create table db.stable_8(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1)
+        sql += "col4091 binary(342))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        tdLog.info('test super table max bytes per row tag 16384') 
+        sql = "create table db.stable_8(ts timestamp, "
+        for i in range(500):
+            sql += "int_%d int, " % (i + 1)
+        for i in range(500,1000):
+            sql += "smallint_%d smallint, " % (i + 1)
+        for i in range(1000,1500):
+            sql += "tinyint_%d tinyint, " % (i + 1)
+        for i in range(1500,2000):
+            sql += "double_%d double, " % (i + 1)
+        for i in range(2000,2500):
+            sql += "float_%d float, " % (i + 1)
+        for i in range(2500,3000):
+            sql += "bool_%d bool, " % (i + 1)
+        for i in range(3000,3500):
+            sql += "bigint_%d bigint, " % (i + 1)
+        for i in range(3500,3800):
+            sql += "nchar_%d nchar(32), " % (i + 1)
+        for i in range(3800,4090):
+            sql += "binary_%d binary(40), " % (i + 1)
+        sql += "col4091 binary(341))"  
+        sql += " tags (loc binary(16371),tag_1 int,tag_2 int,tag_3 int) " 
+        tdSql.error(sql)
+
+        print("==============step7, super table error col ==============")
+        tdLog.info('test exceeds row num') 
+        # column + tag > 4096 
+        sql = "create stable db.stable_2(ts timestamp, "
+        for i in range(4091):
+            sql += "col%d int, " % (i + 1)
+        sql += "col4092 binary(22))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int) " 
+        tdLog.info(len(sql))      
+        tdSql.error(sql)
+
+        self.ins_query()
+        
+        # column + tag > 4096
+        sql = "create stable db.stable_2(ts timestamp, "
+        for i in range(4090):
+            sql += "col%d int, " % (i + 1)
+        sql += "col4091 binary(22))"  
+        sql += " tags (loc nchar(10),tag_1 int,tag_2 int,tag_3 int,tag_4 int) " 
+        tdLog.info(len(sql))  
+        tdSql.error(sql)
+
+        # alter column + tag > 4096
+        sql = "alter table db.stable_1 add column max int; "
+        tdSql.error(sql)
+        
+        sql = "alter table db.stable_1 add tag max int; "
+        tdSql.error(sql)
+        
+        sql = "alter table db.stable_4 modify column col4091 binary(102); "
+        tdSql.error(sql)
+        sql = "alter table db.stable_4 modify tag loc nchar(20); "
+        tdSql.query("select * from db.table_40")
+        tdSql.checkCols(4092)
+        tdSql.query("describe db.table_40")
+        tdSql.checkRows(4096)
+
+        self.ins_query()
+
+        endTime_all = time.time()
+        print("total time %ds" % (endTime_all - startTime_all))        
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+        
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file