Merge pull request #18262 from taosdata/test/TD-19940

Test/td 19940

tests/parallel_test/cases.task

@@ -113,7 +113,7 @@
 ,,y,script,./test.sh -f tsim/parser/first_last.sim
 ,,y,script,./test.sh -f tsim/parser/fill_stb.sim
 ,,y,script,./test.sh -f tsim/parser/interp.sim
-#,,y,script,./test.sh -f tsim/parser/limit2.sim
+,,y,script,./test.sh -f tsim/parser/limit2.sim
 ,,y,script,./test.sh -f tsim/parser/fourArithmetic-basic.sim
 ,,y,script,./test.sh -f tsim/parser/function.sim
 ,,y,script,./test.sh -f tsim/parser/groupby-basic.sim
@@ -608,6 +608,8 @@
 ,,,system-test,python3 ./test.py -f 2-query/upper.py -R
 ,,,system-test,python3 ./test.py -f 2-query/varchar.py
 ,,,system-test,python3 ./test.py -f 2-query/varchar.py -R
+,,,system-test,python3 ./test.py -f 2-query/case_when.py 
+,,,system-test,python3 ./test.py -f 2-query/case_when.py -R
 ,,,system-test,python3 ./test.py -f 1-insert/update_data.py
 ,,,system-test,python3 ./test.py -f 1-insert/tb_100w_data_order.py
 ,,,system-test,python3 ./test.py -f 1-insert/delete_stable.py
@@ -814,6 +816,7 @@
 ,,,system-test,python3 ./test.py -f 2-query/last_row.py -Q 2
 ,,,system-test,python3 ./test.py -f 2-query/tsbsQuery.py -Q 2
 ,,,system-test,python3 ./test.py -f 2-query/sml.py -Q 2
+,,,system-test,python3 ./test.py -f 2-query/case_when.py -Q 2
 ,,,system-test,python3 ./test.py -f 2-query/between.py -Q  3
 ,,,system-test,python3 ./test.py -f 2-query/distinct.py -Q  3
 ,,,system-test,python3 ./test.py -f 2-query/varchar.py -Q  3
@@ -907,6 +910,7 @@
 ,,,system-test,python3 ./test.py -f 2-query/tsbsQuery.py -Q 3
 ,,,system-test,python3 ./test.py -f 2-query/sml.py -Q 3
 ,,,system-test,python3 ./test.py -f 2-query/interp.py -Q 3
+,,,system-test,python3 ./test.py -f 2-query/case_when.py -Q 3
 ,,,system-test,python3 ./test.py -f 2-query/between.py -Q  4
 ,,,system-test,python3 ./test.py -f 2-query/distinct.py -Q  4
 ,,,system-test,python3 ./test.py -f 2-query/varchar.py -Q  4
@@ -999,6 +1003,7 @@
 ,,,system-test,python3 ./test.py -f 2-query/tsbsQuery.py -Q 4
 ,,,system-test,python3 ./test.py -f 2-query/sml.py -Q 4
 ,,,system-test,python3 ./test.py -f 2-query/interp.py -Q 4
+,,,system-test,python3 ./test.py -f 2-query/case_when.py -Q 4
 
 #develop test
 ,,,develop-test,python3 ./test.py -f 5-taos-tools/taosbenchmark/auto_create_table_json.py

tests/script/tsim/parser/limit2_query.sim

@@ -321,55 +321,41 @@ endi
 
 ### [TBASE-350]
 ## stb + interval + fill + group by + limit offset
-sql select max(c1), min(c2), sum(c3), avg(c4), first(c7), last(c8), first(c9) from $stb where ts >= $ts0 and ts <= $tsu partition by t1 interval(5m) fill(value, -1, -2, -3, -4 ,-7 ,'-8', '-9') limit 2 offset 10
+sql select max(c1), min(c2), sum(c3), avg(c4), first(c7), last(c8), first(c9) from lm2_tb0 where ts >= 1537146000000 and ts <= 1543145400000 partition by t1 interval(5m) fill(value, -1, -2, -3, -4 ,-7 ,'-8', '-9') limit 2 offset 10
 if $rows != 2 then
   return -1
 endi
-#add one more test case
-sql select max(c1), last(c8) from lm2_db0.lm2_tb0 where ts >= 1537146000000 and ts <= 1543145400000 interval(5m) fill(linear) limit 10 offset 4089;"
-
 
 $limit = 5
 $offset = $rowNum * 2
 $offset = $offset - 2
-sql select max(c1), min(c2), sum(c3), avg(c4), first(c7), last(c8), first(c9) from $stb where ts >= $ts0 and ts <= $tsu partition by t1 interval(5m) fill(value, -1, -2, -3, -4 ,-7 ,'-8', '-9') order by t1 limit $limit offset $offset
-if $rows != $tbNum then
+sql select max(c1), min(c2), sum(c3), avg(c4), first(c7), last(c8), first(c9) from lm2_tb0 where ts >= 1537146000000 and ts <= 1543145400000  partition by t1 interval(5m) fill(value, -1, -2, -3, -4 ,-7 ,'-8', '-9') order by t1 limit $limit offset $offset
+if $rows != 1 then
   return -1
 endi
-if $data00 != @18-11-25 19:30:00.000@ then
+if $data00 != 9 then
   return -1
 endi
 if $data01 != 9 then
   return -1
 endi
-if $data12 != 9 then
+if $data02 != 9.000000000 then
   return -1
 endi
-if $data23 != 9.000000000 then
+if $data03 != 9.000000000 then
   return -1
 endi
-if $data34 != 9.000000000 then
+if $data04 != 1 then
   return -1
 endi
-if $data45 != 1 then
+if $data05 != binary9 then
   return -1
 endi
-if $data56 != binary9 then
-  return -1
-endi
-if $data68 != 6 then
-  return -1
-endi
-if $data72 != -2 then
-  return -1
-endi
-if $data84 != -2.000000000 then
-  return -1
-endi
-if $data98 != 9 then
+if $data06 != nchar9 then
   return -1
 endi
 
+
 #add one more test case
 sql select max(c1), last(c8) from lm2_db0.lm2_tb0 where ts >= 1537146000000 and ts <= 1543145400000 interval(5m) fill(linear) limit 10 offset 4089;"
 

tests/system-test/2-query/case_when.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
+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))
+        
+        self.db = "case_when"
+
+    def dropandcreateDB_random(self,database,n):
+        ts = 1630000000000
+        num_random = 10
+        fake = Faker('zh_CN')
+        tdSql.execute('''drop database if exists %s ;''' %database)
+        tdSql.execute('''create database %s keep 36500 ;'''%(database))
+        tdSql.execute('''use %s;'''%database)
+
+        tdSql.execute('''create stable %s.stable_1 (ts timestamp , q_int int , q_bigint bigint , q_smallint smallint , q_tinyint tinyint , q_float float , q_double double , q_bool bool , q_binary binary(100) , q_nchar nchar(100) , q_ts timestamp , \
+                q_int_null int , q_bigint_null bigint , q_smallint_null smallint , q_tinyint_null tinyint, q_float_null float , q_double_null double , q_bool_null bool , q_binary_null binary(20) , q_nchar_null nchar(20) , q_ts_null timestamp) \
+                tags(loc nchar(100) , t_int int , t_bigint bigint , t_smallint smallint , t_tinyint tinyint, t_bool bool , t_binary binary(100) , t_nchar nchar(100) ,t_float float , t_double double , t_ts timestamp);'''%database)
+        tdSql.execute('''create stable %s.stable_2 (ts timestamp , q_int int , q_bigint bigint , q_smallint smallint , q_tinyint tinyint , q_float float , q_double double , q_bool bool , q_binary binary(100) , q_nchar nchar(100) , q_ts timestamp , \
+                q_int_null int , q_bigint_null bigint , q_smallint_null smallint , q_tinyint_null tinyint, q_float_null float , q_double_null double , q_bool_null bool , q_binary_null binary(20) , q_nchar_null nchar(20) , q_ts_null timestamp) \
+                tags(loc nchar(100) , t_int int , t_bigint bigint , t_smallint smallint , t_tinyint tinyint, t_bool bool , t_binary binary(100) , t_nchar nchar(100) ,t_float float , t_double double , t_ts timestamp);'''%database)
+        
+        for i in range(num_random):
+            tdSql.execute('''create table %s.table_%d \
+                    (ts timestamp , q_int int , q_bigint bigint , q_smallint smallint , q_tinyint tinyint , q_float float , q_double double , q_bool bool , q_binary binary(100) , q_nchar nchar(100) , q_ts timestamp ) ;'''%(database,i))
+            tdSql.execute('''create table %s.stable_1_%d using %s.stable_1 tags('stable_1_%d', '%d' , '%d', '%d' , '%d' , 1 , 'binary1.%s' , 'nchar1.%s' , '%f', '%f' ,'%d') ;''' 
+                      %(database,i,database,i,fake.random_int(min=-2147483647, max=2147483647, step=1), fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1), 
+                        fake.random_int(min=-32767, max=32767, step=1) , fake.random_int(min=-127, max=127, step=1) , 
+                        fake.pystr() ,fake.pystr() ,fake.pyfloat(),fake.pyfloat(),fake.random_int(min=-2147483647, max=2147483647, step=1))) 
+         
+            tdSql.execute('''create table %s.stable_%d_a using %s.stable_2 tags('stable_2_%d', '%d' , '%d', '%d' , '%d' , 1 , 'binary1.%s' , 'nchar1.%s' , '%f', '%f' ,'%d') ;''' 
+                      %(database,i,database,i,fake.random_int(min=-2147483647, max=2147483647, step=1), fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1), 
+                        fake.random_int(min=-32767, max=32767, step=1) , fake.random_int(min=-127, max=127, step=1) , 
+                        fake.pystr() ,fake.pystr() ,fake.pyfloat(),fake.pyfloat(),fake.random_int(min=-2147483647, max=2147483647, step=1))) 
+            tdSql.execute('''create table %s.stable_%d_b using %s.stable_2 tags('stable_2_%d', '%d' , '%d', '%d' , '%d' , 1 , 'binary1.%s' , 'nchar1.%s' , '%f', '%f' ,'%d') ;''' 
+                      %(database,i,database,i,fake.random_int(min=-2147483647, max=2147483647, step=1), fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1), 
+                        fake.random_int(min=-32767, max=32767, step=1) , fake.random_int(min=-127, max=127, step=1) , 
+                        fake.pystr() ,fake.pystr() ,fake.pyfloat(),fake.pyfloat(),fake.random_int(min=-2147483647, max=2147483647, step=1)))
+
+        # insert data
+        for i in range(num_random):   
+            for j in range(n):         
+                tdSql.execute('''insert into %s.stable_1_%d  (ts , q_int , q_bigint , q_smallint , q_tinyint , q_float , q_double, q_bool , q_binary , q_nchar, q_ts)\
+                            values(%d, %d, %d, %d, %d, %f, %f, 0, 'binary.%s', 'nchar.%s', %d) ;''' 
+                            % (database,i,ts + i*1000 + j, fake.random_int(min=-2147483647, max=2147483647, step=1), 
+                            fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1), 
+                            fake.random_int(min=-32767, max=32767, step=1) , fake.random_int(min=-127, max=127, step=1) , 
+                            fake.pyfloat() , fake.pyfloat() , fake.pystr() , fake.pystr() , ts + i))
+
+                tdSql.execute('''insert into %s.table_%d  (ts , q_int , q_bigint , q_smallint , q_tinyint , q_float , q_double , q_bool , q_binary , q_nchar, q_ts) \
+                            values(%d, %d, %d, %d, %d, %f, %f, 0, 'binary.%s', 'nchar.%s', %d) ;''' 
+                            % (database,i,ts + i*1000 + j, fake.random_int(min=-2147483647, max=2147483647, step=1), 
+                            fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1), 
+                            fake.random_int(min=-32767, max=32767, step=1) , fake.random_int(min=-127, max=127, step=1) , 
+                            fake.pyfloat() , fake.pyfloat() , fake.pystr() , fake.pystr() , ts + i ))
+                
+                tdSql.execute('''insert into %s.stable_%d_a (ts , q_int , q_bigint , q_smallint , q_tinyint , q_float , q_double, q_bool , q_binary , q_nchar, q_ts)\
+                            values(%d, %d, %d, %d, %d, %f, %f, 1, 'binary.%s', 'nchar.%s', %d) ;''' 
+                            % (database,i,ts + i*1000 + j, fake.random_int(min=0, max=2147483647, step=1), 
+                            fake.random_int(min=0, max=9223372036854775807, step=1), 
+                            fake.random_int(min=0, max=32767, step=1) , fake.random_int(min=0, max=127, step=1) , 
+                            fake.pyfloat() , fake.pyfloat() , fake.pystr() , fake.pystr() , ts + i))
+            
+        tdSql.query("select count(*) from %s.stable_1;" %database)
+        tdSql.checkData(0,0,num_random*n)
+        tdSql.query("select count(*) from %s.table_0;"%database)
+        tdSql.checkData(0,0,n)
+        
+        
+    def users_bug(self,database):    
+        sql1 = "select (case when `q_smallint` >0 then 'many--' when `q_smallint`<0 then 'little' end),q_int,loc from %s.stable_1 where tbname = 'stable_1_1' limit 100;" %database
+        sql2 = "select (case when `q_smallint` >0 then 'many--' when `q_smallint`<0 then 'little' end),q_int,loc from %s.stable_1_1 limit 100;"  %database
+        self.constant_check(database,sql1,sql2,0)
+        
+        sql1 = "select (case when `q_smallint` >0 then 'many![;;][][]]' when `q_smallint`<0 then 'little' end),q_int,loc from %s.stable_1 where tbname = 'stable_1_1' limit 100;" %database
+        sql2 = "select (case when `q_smallint` >0 then 'many![;;][][]]' when `q_smallint`<0 then 'little' end),q_int,loc from %s.stable_1_1 limit 100;"  %database
+        self.constant_check(database,sql1,sql2,0)
+        
+        sql1 = "select (case when sum(q_smallint)=0 then null else sum(q_smallint) end) from %s.stable_1 where tbname = 'stable_1_1' limit 100;"  %database
+        sql2 = "select (case when sum(q_smallint)=0 then null else sum(q_smallint) end) from %s.stable_1_1 limit 100;"  %database
+        self.constant_check(database,sql1,sql2,0)
+        
+        sql1 = "select _wstart,avg(q_int),min(q_smallint) from %s.stable_1 where tbname = 'stable_1_1' and ts < now state_window(case when q_smallint <0 then 1 else 0 end);"  %database
+        sql2 = "select _wstart,avg(q_int),min(q_smallint) from %s.stable_1_1 where ts < now state_window(case when q_smallint <0 then 1 else 0 end);"  %database
+        self.constant_check(database,sql1,sql2,0)
+        self.constant_check(database,sql1,sql2,1)
+        self.constant_check(database,sql1,sql2,2)
+
+    def casewhen_list(self):
+        a1,a2,a3 = random.randint(-2147483647,2147483647),random.randint(-2147483647,2147483647),random.randint(-2147483647,2147483647)
+        casewhen_lists = ['first  case when %d then %d end last' %(a1,a2) ,     #'first  case when 3 then 4 end last' , 
+                        'first  case when 0 then %d end last' %(a1),            #'first  case when 0 then 4 end last' ,
+                        'first  case when null then %d end last' %(a1) ,        #'first  case when null then 4 end last' ,
+                        'first  case when 1 then %d+(%d) end last' %(a1,a2) ,     #'first  case when 1 then 4+1 end last' ,
+                        'first  case when %d-(%d) then 0 end last' %(a1,a1) ,     #'first  case when 1-1 then 0 end last' ,
+                        'first  case when %d+(%d) then 0 end last' %(a1,a1),      #'first  case when 1+1 then 0 end last' ,  
+                        'first  case when 1 then %d-(%d)+(%d) end last' %(a1,a1,a2),  #'first  case when 1 then 1-1+2 end last' ,
+                        'first  case when %d > 0 then %d < %d end last'  %(a1,a1,a2),   #'first  case when 1 > 0 then 1 < 2 end last' ,
+                        'first  case when %d > %d then %d < %d end last'  %(a1,a2,a1,a2),   #'first  case when 1 > 2 then 1 < 2 end last' ,
+                        'first  case when abs(%d) then abs(-(%d)) end last'  %(a1,a2) ,#'first  case when abs(3) then abs(-1) end last' ,
+                        'first  case when abs(%d+(%d)) then abs(-(%d))+abs(%d) end last' %(a1,a2,a1,a2) , #'first  case when abs(1+1) then abs(-1)+abs(3) end last' ,
+                        'first  case when 0 then %d else %d end last'  %(a1,a2),  #'first  case when 0 then 1 else 3 end last' ,
+                        'first  case when 0 then %d when 1 then %d else %d end last'  %(a1,a1,a3),  #'first  case when 0 then 1 when 1 then 0 else 3 end last' ,
+                        'first  case when 0 then %d when 1 then %d when 2 then %d end last' %(a1,a1,a3), #'first  case when 0 then 1 when 1 then 0 when 2 then 3 end last' ,
+                        'first  case when \'a\' then \'b\' when null then 0 end last' ,   #'first  case when \'a\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' when null then %d end last' %(a1,a2),   #'first  case when \'2\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' else null end last' %(a1), #'first  case when \'0\' then \'b\' else null end last',
+                        'first  case when \'%d\' then \'b\' else %d end last' %(a1,a2), #'first  case when \'0\' then \'b\' else 2 end last',
+                        'first  case when sum(%d) then sum(%d)-sum(%d) end last'  %(a1,a1,a3), #'first  case when sum(2) then sum(2)-sum(1) end last' ,
+                        'first  case when sum(%d) then abs(-(%d)) end last'  %(a1,a2), #'first  case when sum(2) then abs(-2) end last' ,
+                        'first  case when q_int then ts end last' ,
+                        'first  case when q_int then q_int when q_int + (%d) then q_int + (%d) else q_int is null end last' %(a1,a2) , #'first  case when q_int then q_int when q_int + 1 then q_int + 1 else q_int is null end last' ,
+                        'first  case when q_int then %d when ts then ts end last'  %(a1),  #'first  case when q_int then 3 when ts then ts end last' ,
+                        'first  case when %d then q_int end last'  %(a1),  #'first  case when 3 then q_int end last' ,
+                        'first  case when q_int then %d when %d then %d end last'  %(a1,a1,a3),  #'first  case when q_int then 3 when 1 then 2 end last' ,
+                        'first  case when sum(q_int) then sum(q_int)-abs(-(%d)) end last'  %(a1),  #'first  case when sum(q_int) then sum(q_int)-abs(-1) end last' ,
+                        'first  case when q_int < %d then %d when q_int >= %d then %d else %d end last' %(a1,a2,a1,a2,a3), #'first  case when q_int < 3 then 1 when q_int >= 3 then 2 else 3 end last' ,
+                        'first  cast(case q_int when q_int then q_int + (%d) else q_int is null end as double) last' %(a1), #'first  cast(case q_int when q_int then q_int + 1 else q_int is null end as double) last' ,
+                        'first  sum(case q_int when q_int then q_int + (%d) else q_int is null end + (%d)) last'  %(a1,a2), #'first  sum(case q_int when q_int then q_int + 1 else q_int is null end + 1) last' ,
+                        'first  case when q_int is not null then case when q_int <= %d then q_int else q_int * (%d) end else -(%d) end last'  %(a1,a1,a3),  #'first  case when q_int is not null then case when q_int <= 0 then q_int else q_int * 10 end else -1 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 3 then 4 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 1 then 4 end last' ,
+                        'first  case %d when %d then %d else %d end last'  %(a1,a1,a2,a3),  # 'first  case 3 when 1 then 4 else 2 end last' ,
+                        'first  case %d when null then %d when \'%d\' then %d end last' %(a1,a1,a2,a3) , # 'first  case 3 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case \'%d\' when null then %d when %d then %d end last'  %(a1,a1,a2,a3), # 'first  case \'3\' when null then 4 when 3 then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last' %(a1,a2,a3), # 'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  case %d.0 when null then %d when \'%d\' then %d end last' %(a1,a1,a2,a3) ,  # 'first  case 3.0 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case q_double when \'a\' then %d when \'%d\' then %d end last' %(a1,a2,a3) , # 'first  case q_double when \'a\' then 4 when \'0\' then 1 end last' ,
+                        'first  case q_double when q_int then q_int when q_int - (%d) then q_int else %d end last' %(a1,a2),  # 'first  case q_double when q_int then q_int when q_int - 1 then q_int else 99 end last' ,
+                        'first  case cast(q_double as int) when %d then q_double when q_int then %d else ts end last' %(a1,a2), #'first  case cast(q_double as int) when 0 then q_double when q_int then 11 else ts end last' ,
+                        'first  case q_int + (%d) when %d then %d when %d then %d else %d end last'  %(a1,a2,a3,a1,a2,a3), #'first  case q_int + 1 when 1 then 1 when 2 then 2 else 3 end last' ,
+                        'first  case when \'a\' then \'b\' when null then %d end last'  %(a1), # 'first  case when \'a\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' when null then %d end last'  %(a1,a2), # 'first  case when \'2\' then \'b\' when null then 0 end last' ,
+                        'first  case when %d then \'b\' else null end last'  %(a1), # 'first  case when 0 then \'b\' else null end last' ,
+                        'first  case when %d then \'b\' else %d+abs(%d) end last'  %(a1,a2,a3), # 'first  case when 0 then \'b\' else 2+abs(-2) end last' ,
+                        'first  case when %d then %d end last'  %(a1,a2), # 'first  case when 3 then 4 end last' ,
+                        'first  case when %d then %d end last'  %(a1,a2), # 'first  case when 0 then 4 end last' ,
+                        'first  case when null then %d end last'  %(a1), # 'first  case when null then 4 end last' ,
+                        'first  case when %d then %d+(%d) end last'  %(a1,a2,a3), # 'first  case when 1 then 4+1 end last' ,
+                        'first  case when %d-(%d) then %d end last'  %(a1,a2,a3), # 'first  case when 1-1 then 0 end last' ,
+                        'first  case when %d+(%d) then %d end last'  %(a1,a2,a3), # 'first  case when 1+1 then 0 end last' ,
+                        'first  case when abs(%d) then abs(%d) end last' %(a1,a2), # 'first  case when abs(3) then abs(-1) end last' ,
+                        'first  case when abs(%d+(%d)) then abs(%d)+abs(%d) end last'  %(a1,a2,a3,a1), # 'first  case when abs(1+1) then abs(-1)+abs(3) end last' ,
+                        'first  case when %d then %d else %d end last' %(a1,a2,a3), # 'first  case when 0 then 1 else 3 end last' ,
+                        'first  case when %d then %d when %d then %d else %d end last' %(a1,a2,a3,a1,a2), # 'first  case when 0 then 1 when 1 then 0 else 3 end last' ,
+                        'first  case when %d then %d when %d then %d when %d then %d end last' %(a1,a2,a3,a1,a2,a3), # 'first  case when 0 then 1 when 1 then 0 when 2 then 3 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a1,a3),  # 'first  case 3 when 3 then 4 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 1 then 4 end last' ,
+                        'first  case %d when %d then %d else %d end last'  %(a1,a2,a3,a1),  # 'first  case 3 when 1 then 4 else 2 end last' ,
+                        'first  case %d when null then %d when \'%d\' then %d end last'  %(a1,a2,a1,a3),  # 'first  case 3 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  case %d.0 when null then %d when \'%d\' then %d end last' %(a1,a2,a1,a3),  # 'first  case 3.0 when null then 4 when \'3\' then 1 end last' ,
+                        'first  q_double,case q_double when \'a\' then %d when \'%d\' then %d end last' %(a1,a2,a3), #'first  q_double,case q_double when \'a\' then 4 when \'0\' then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last'  %(a1,a2,a3), #'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  q_double,q_int,case q_double when q_int then q_int when q_int - (%d ) then q_int else %d  end last'  %(a1,a2), # 'first  q_double,q_int,case q_double when q_int then q_int when q_int - 1 then q_int else 99 end last' ,
+                        'first  case cast(q_double as int) when %d then q_double when q_int then %d  else ts end last'  %(a1,a2), # 'first  case cast(q_double as int) when 0 then q_double when q_int then 11 else ts end last' ,
+                        'first  q_int, case q_int + (%d) when %d then %d when %d then %d else %d end last' %(a1,a1,a1,a2,a2,a3), #'first  q_int, case q_int + 1 when 1 then 1 when 2 then 2 else 3 end last' ,
+                        'first  distinct loc, case t_int when t_bigint then t_ts else t_smallint + (%d) end last' %(a1), #'first  distinct loc, case t_int when t_bigint then t_ts else t_smallint + 100 end last' ,
+                        ]
+        #num = len(casewhen_lists)
+        
+        casewhen_list = str(random.sample(casewhen_lists,50)).replace("[","").replace("]","").replace("'first","").replace("last'","").replace("\"first","").replace("last\"","")
+        
+        return casewhen_list
+    
+    def base_case(self,database):
+        
+        for i in range(30):
+            cs = self.casewhen_list().split(',')[i] 
+            sql1 = "select %s from %s.stable_1 where tbname = 'stable_1_1';" % (cs ,database)
+            sql2 = "select %s from %s.stable_1_1 ;" % (cs ,database)
+            self.constant_check(database,sql1,sql2,0)
+            
+
+    def state_window_list(self):
+        a1,a2,a3 = random.randint(-2147483647,2147483647),random.randint(-2147483647,2147483647),random.randint(-2147483647,2147483647)
+        state_window_lists = ['first  case when %d then %d end last' %(a1,a2) ,     #'first  case when 3 then 4 end last' , 
+                        'first  case when 0 then %d end last' %(a1),            #'first  case when 0 then 4 end last' ,
+                        'first  case when null then %d end last' %(a1) ,        #'first  case when null then 4 end last' ,
+                        'first  case when %d-(%d) then 0 end last' %(a1,a1) ,     #'first  case when 1-1 then 0 end last' ,
+                        'first  case when %d+(%d) then 0 end last' %(a1,a1),      #'first  case when 1+1 then 0 end last' ,  
+                        'first  case when %d > 0 then %d < %d end last'  %(a1,a1,a2),   #'first  case when 1 > 0 then 1 < 2 end last' ,
+                        'first  case when %d > %d then %d < %d end last'  %(a1,a2,a1,a2),   #'first  case when 1 > 2 then 1 < 2 end last' ,
+                        'first  case when abs(%d) then abs(-(%d)) end last'  %(a1,a2) ,#'first  case when abs(3) then abs(-1) end last' ,
+                        'first  case when 0 then %d else %d end last'  %(a1,a2),  #'first  case when 0 then 1 else 3 end last' ,
+                        'first  case when 0 then %d when 1 then %d else %d end last'  %(a1,a1,a3),  #'first  case when 0 then 1 when 1 then 0 else 3 end last' ,
+                        'first  case when 0 then %d when 1 then %d when 2 then %d end last' %(a1,a1,a3), #'first  case when 0 then 1 when 1 then 0 when 2 then 3 end last' ,
+                        'first  case when \'a\' then \'b\' when null then 0 end last' ,   #'first  case when \'a\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' when null then %d end last' %(a1,a2) ,   #'first  case when \'2\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' else null end last' %(a1), #'first  case when \'0\' then \'b\' else null end last',
+                        'first  case when \'%d\' then \'b\' else %d end last' %(a1,a2), #'first  case when \'0\' then \'b\' else 2 end last',
+                        'first  case when q_int then q_int when q_int + (%d) then q_int + (%d) else q_int is null end last' %(a1,a2) , #'first  case when q_int then q_int when q_int + 1 then q_int + 1 else q_int is null end last' ,
+                        'first  case when q_int then %d when ts then ts end last'  %(a1),  #'first  case when q_int then 3 when ts then ts end last' ,
+                        'first  case when %d then q_int end last'  %(a1),  #'first  case when 3 then q_int end last' ,
+                        'first  case when q_int then %d when %d then %d end last'  %(a1,a1,a3),  #'first  case when q_int then 3 when 1 then 2 end last' ,
+                        'first  case when q_int < %d then %d when q_int >= %d then %d else %d end last' %(a1,a2,a1,a2,a3), #'first  case when q_int < 3 then 1 when q_int >= 3 then 2 else 3 end last' ,
+                        'first  case when q_int is not null then case when q_int <= %d then q_int else q_int * (%d) end else -(%d) end last'  %(a1,a1,a3),  #'first  case when q_int is not null then case when q_int <= 0 then q_int else q_int * 10 end else -1 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 3 then 4 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 1 then 4 end last' ,
+                        'first  case %d when %d then %d else %d end last'  %(a1,a1,a2,a3),  # 'first  case 3 when 1 then 4 else 2 end last' ,
+                        'first  case %d when null then %d when \'%d\' then %d end last' %(a1,a1,a2,a3) , # 'first  case 3 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case \'%d\' when null then %d when %d then %d end last'  %(a1,a1,a2,a3), # 'first  case \'3\' when null then 4 when 3 then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last' %(a1,a2,a3), # 'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  case %d.0 when null then %d when \'%d\' then %d end last' %(a1,a1,a2,a3) ,  # 'first  case 3.0 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case q_double when \'a\' then %d when \'%d\' then %d end last' %(a1,a2,a3) , # 'first  case q_double when \'a\' then 4 when \'0\' then 1 end last' ,
+                        'first  case q_double when q_int then q_int when q_int - (%d) then q_int else %d end last' %(a1,a2),  # 'first  case q_double when q_int then q_int when q_int - 1 then q_int else 99 end last' ,
+                        'first  case q_int + (%d) when %d then %d when %d then %d else %d end last'  %(a1,a2,a3,a1,a2,a3), #'first  case q_int + 1 when 1 then 1 when 2 then 2 else 3 end last' ,
+                        'first  case when \'a\' then \'b\' when null then %d end last'  %(a1), # 'first  case when \'a\' then \'b\' when null then 0 end last' ,
+                        'first  case when \'%d\' then \'b\' when null then %d end last'  %(a1,a2), # 'first  case when \'2\' then \'b\' when null then 0 end last' ,
+                        'first  case when %d then \'b\' else null end last'  %(a1), # 'first  case when 0 then \'b\' else null end last' ,
+                        'first  case when %d then \'b\' else %d+abs(%d) end last'  %(a1,a2,a3), # 'first  case when 0 then \'b\' else 2+abs(-2) end last' ,
+                        'first  case when %d then %d end last'  %(a1,a2), # 'first  case when 3 then 4 end last' ,
+                        'first  case when %d then %d end last'  %(a1,a2), # 'first  case when 0 then 4 end last' ,
+                        'first  case when null then %d end last'  %(a1), # 'first  case when null then 4 end last' ,
+                        #'first  case when %d then %d+(%d) end last'  %(a1,a2,a3), # 'first  case when 1 then 4+1 end last' ,
+                        'first  case when %d-(%d) then %d end last'  %(a1,a2,a3), # 'first  case when 1-1 then 0 end last' ,
+                        'first  case when %d+(%d) then %d end last'  %(a1,a2,a3), # 'first  case when 1+1 then 0 end last' ,
+                        'first  case when abs(%d) then abs(%d) end last' %(a1,a2), # 'first  case when abs(3) then abs(-1) end last' ,
+                        #'first  case when abs(%d+(%d)) then abs(%d)+abs(%d) end last'  %(a1,a2,a3,a1), # 'first  case when abs(1+1) then abs(-1)+abs(3) end last' ,
+                        'first  case when %d then %d else %d end last' %(a1,a2,a3), # 'first  case when 0 then 1 else 3 end last' ,
+                        'first  case when %d then %d when %d then %d else %d end last' %(a1,a2,a3,a1,a2), # 'first  case when 0 then 1 when 1 then 0 else 3 end last' ,
+                        'first  case when %d then %d when %d then %d when %d then %d end last' %(a1,a2,a3,a1,a2,a3), # 'first  case when 0 then 1 when 1 then 0 when 2 then 3 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a1,a3),  # 'first  case 3 when 3 then 4 end last' ,
+                        'first  case %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case 3 when 1 then 4 end last' ,
+                        'first  case %d when %d then %d else %d end last'  %(a1,a2,a3,a1),  # 'first  case 3 when 1 then 4 else 2 end last' ,
+                        'first  case %d when null then %d when \'%d\' then %d end last'  %(a1,a2,a1,a3),  # 'first  case 3 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last'  %(a1,a2,a3),  # 'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  case %d.0 when null then %d when \'%d\' then %d end last' %(a1,a2,a1,a3),  # 'first  case 3.0 when null then 4 when \'3\' then 1 end last' ,
+                        'first  case null when null then %d when %d then %d end last'  %(a1,a2,a3), #'first  case null when null then 4 when 3 then 1 end last' ,
+                        'first  q_int, case q_int + (%d) when %d then %d when %d then %d else %d end last' %(a1,a1,a1,a2,a2,a3), #'first  q_int, case q_int + 1 when 1 then 1 when 2 then 2 else 3 end last' ,
+                        ]
+        
+        state_window_list = str(random.sample(state_window_lists,50)).replace("[","").replace("]","").replace("'first","").replace("last'","").replace("\"first","").replace("last\"","")
+        
+        return state_window_list
+           
+    def state_window_case(self,database):
+        
+        for i in range(30):
+            cs = self.state_window_list().split(',')[i] 
+            sql1 = "select _wstart,avg(q_int),min(q_smallint) from %s.stable_1 where tbname = 'stable_1_1' state_window(%s);" % (database,cs)
+            sql2 = "select _wstart,avg(q_int),min(q_smallint) from %s.stable_1_1 state_window(%s) ;" % (database,cs)
+            self.constant_check(database,sql1,sql2,0)
+            self.constant_check(database,sql1,sql2,1)
+            self.constant_check(database,sql1,sql2,2)
+            
+                      
+        
+    def constant_check(self,database,sql1,sql2,column):   
+        #column =0 代表0列， column = n代表n-1列 
+        tdLog.info("\n=============sql1:(%s)___sql2:(%s) ====================\n" %(sql1,sql2)) 
+        tdSql.query(sql1) 
+        queryRows = len(tdSql.queryResult) 
+      
+        for i in range(queryRows):
+            tdSql.query(sql1) 
+            sql1_value = tdSql.getData(i,column)
+            tdSql.execute(" flush database %s;" %database)
+            tdSql.query(sql2) 
+            sql2_value = tdSql.getData(i,column)
+            self.value_check(sql1_value,sql2_value)       
+                      
+    def value_check(self,base_value,check_value):
+        if base_value==check_value:
+            tdLog.info(f"checkEqual success, base_value={base_value},check_value={check_value}") 
+        else :
+            tdLog.exit(f"checkEqual error, base_value=={base_value},check_value={check_value}") 
+                            
+    def run(self):      
+        fake = Faker('zh_CN')
+        fake_data =  fake.random_int(min=-9223372036854775807, max=9223372036854775807, step=1)
+        fake_float = fake.pyfloat()
+        fake_str = fake.pystr()
+        
+        startTime = time.time()  
+                  
+        os.system("rm -rf %s/%s.sql" % (self.testcasePath,self.testcaseFilename)) 
+        
+        self.dropandcreateDB_random("%s" %self.db, 10)
+        
+        self.users_bug("%s" %self.db)
+        
+        self.base_case("%s" %self.db)
+        
+        self.state_window_case("%s" %self.db)
+        
+        
+        
+        #taos -f sql 
+        print("taos -f sql start!")
+        taos_cmd1 = "taos -f %s/%s.sql" % (self.testcasePath,self.testcaseFilename)
+        _ = subprocess.check_output(taos_cmd1, shell=True)
+        print("taos -f sql over!")     
+                
+
+        endTime = time.time()
+        print("total time %ds" % (endTime - startTime))
+    
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())