Merge pull request #12500 from taosdata/test/udf_3.0

test: add 3.0 udf test case

tests/system-test/0-others/udfTest.py

+import taos
+import sys
+import time
+import os
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+from util.dnodes import *
+import subprocess
+
+class TDTestCase:
+
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
+    
+    def prepare_udf_so(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+        print(projPath)
+
+        libudf1 = subprocess.Popen('find %s -name "libudf1.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+        libudf2 = subprocess.Popen('find %s -name "libudf2.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+        os.system("mkdir /tmp/udf/")
+        os.system("sudo cp %s /tmp/udf/ "%libudf1.replace("\n" ,""))
+        os.system("sudo cp  %s /tmp/udf/ "%libudf2.replace("\n" ,""))
+
+
+    def prepare_data(self):
+        
+        tdSql.execute("use db")
+        tdSql.execute(
+        '''create table stb1
+        (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+        tags (t1 int)
+        '''
+        )
+        
+        tdSql.execute(
+            '''
+            create table t1
+            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+            '''
+        )
+        for i in range(4):
+            tdSql.execute(f'create table ct{i+1} using stb1 tags ( {i+1} )')
+
+        for i in range(9):
+            tdSql.execute(
+                f"insert into ct1 values ( now()-{i*10}s, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+            tdSql.execute(
+                f"insert into ct4 values ( now()-{i*90}d, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+        tdSql.execute("insert into ct1 values (now()-45s, 0, 0, 0, 0, 0, 0, 0, 'binary0', 'nchar0', now()+8a )")
+        tdSql.execute("insert into ct1 values (now()+10s, 9, -99999, -999, -99, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+15s, 9, -99999, -999, -99, -9.99, NULL, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+20s, 9, -99999, -999, NULL, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+
+        tdSql.execute("insert into ct4 values (now()-810d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()-400d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()+90d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL  ) ")
+
+        tdSql.execute(
+            f'''insert into t1 values
+            ( '2020-04-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2020-10-21 01:01:01.000', 1, 11111, 111, 11, 1.11, 11.11, 1, "binary1", "nchar1", now()+1a )
+            ( '2020-12-31 01:01:01.000', 2, 22222, 222, 22, 2.22, 22.22, 0, "binary2", "nchar2", now()+2a )
+            ( '2021-01-01 01:01:06.000', 3, 33333, 333, 33, 3.33, 33.33, 0, "binary3", "nchar3", now()+3a )
+            ( '2021-05-07 01:01:10.000', 4, 44444, 444, 44, 4.44, 44.44, 1, "binary4", "nchar4", now()+4a )
+            ( '2021-07-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2021-09-30 01:01:16.000', 5, 55555, 555, 55, 5.55, 55.55, 0, "binary5", "nchar5", now()+5a )
+            ( '2022-02-01 01:01:20.000', 6, 66666, 666, 66, 6.66, 66.66, 1, "binary6", "nchar6", now()+6a )
+            ( '2022-10-28 01:01:26.000', 7, 00000, 000, 00, 0.00, 00.00, 1, "binary7", "nchar7", "1970-01-01 08:00:00.000" )
+            ( '2022-12-01 01:01:30.000', 8, -88888, -888, -88, -8.88, -88.88, 0, "binary8", "nchar8", "1969-01-01 01:00:00.000" )
+            ( '2022-12-31 01:01:36.000', 9, -99999999999999999, -999, -99, -9.99, -999999999999999999999.99, 1, "binary9", "nchar9", "1900-01-01 00:00:00.000" )
+            ( '2023-02-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            '''
+        )
+
+        tdSql.execute("create table tb (ts timestamp , num1 int , num2 int, num3 double , num4 binary(30))")
+        tdSql.execute(
+            f'''insert into tb values
+            ( '2020-04-21 01:01:01.000',   NULL,    1,       1,     "binary1" )
+            ( '2020-10-21 01:01:01.000',   1,       1,      1.11,   "binary1" )
+            ( '2020-12-31 01:01:01.000',   2,    22222,      22,    "binary1" )
+            ( '2021-01-01 01:01:06.000',   3,    33333,      33,    "binary1" )
+            ( '2021-05-07 01:01:10.000',   4,    44444,      44,    "binary1" )
+            ( '2021-07-21 01:01:01.000',   NULL,   NULL,     NULL,  "binary1" )
+            ( '2021-09-30 01:01:16.000',   5,    55555,      55,    "binary1" )
+            ( '2022-02-01 01:01:20.000',   6,    66666,      66,    "binary1" )
+            ( '2022-10-28 01:01:26.000',   0,    00000,      00,    "binary1" )
+            ( '2022-12-01 01:01:30.000',   8,   -88888,     -88,    "binary1" )
+            ( '2022-12-31 01:01:36.000',   9, -9999999,     -99,    "binary1" )
+            ( '2023-02-21 01:01:01.000',  NULL,    NULL,    NULL,   "binary1" )
+            '''
+        )
+
+
+    def create_udf_function(self):
+
+        for i in range(10):
+            # create  scalar functions
+            tdSql.execute("create function udf1 as '/tmp/udf/libudf1.so' outputtype int bufSize 8;")
+
+            # create aggregate functions
+
+            tdSql.execute("create aggregate function udf2 as '/tmp/udf/libudf2.so' outputtype double bufSize 8;")
+            
+            functions = tdSql.getResult("show functions")
+            function_nums = len(functions)
+            if function_nums == 2:
+                tdLog.info("create two udf functions success ")
+
+            # drop functions
+
+            tdSql.execute("drop function udf1")
+            tdSql.execute("drop function udf2")
+
+            functions = tdSql.getResult("show functions")
+            for function in functions:
+                if "udf1" in function[0] or  "udf2" in function[0]:
+                    tdLog.info("drop udf functions failed ")
+                    tdLog.exit("drop udf functions failed")
+
+                tdLog.info("drop two udf functions success ")
+
+        # create  scalar functions
+        tdSql.execute("create function udf1 as '/tmp/udf/libudf1.so' outputtype int bufSize 8;")
+
+        # create aggregate functions
+
+        tdSql.execute("create aggregate function udf2 as '/tmp/udf/libudf2.so' outputtype double bufSize 8;")
+        
+        functions = tdSql.getResult("show functions")
+        function_nums = len(functions)
+        if function_nums == 2:
+            tdLog.info("create two udf functions success ")
+       
+    def basic_udf_query(self):
+        
+        # scalar functions
+
+        tdSql.execute("use db ")
+        tdSql.query("select num1 , udf1(num1) ,num2 ,udf1(num2),num3 ,udf1(num3),num4 ,udf1(num4) from tb")
+        tdSql.checkData(0,0,None)
+        tdSql.checkData(0,1,None)
+        tdSql.checkData(0,2,1)
+        tdSql.checkData(0,3,88)
+        tdSql.checkData(0,4,1.000000000)
+        tdSql.checkData(0,5,88)
+        tdSql.checkData(0,6,"binary1")
+        tdSql.checkData(0,7,88)
+
+        tdSql.checkData(3,0,3)
+        tdSql.checkData(3,1,88)
+        tdSql.checkData(3,2,33333)
+        tdSql.checkData(3,3,88)
+        tdSql.checkData(3,4,33.000000000)
+        tdSql.checkData(3,5,88)
+        tdSql.checkData(3,6,"binary1")
+        tdSql.checkData(3,7,88)
+
+        tdSql.checkData(11,0,None)
+        tdSql.checkData(11,1,None)
+        tdSql.checkData(11,2,None)
+        tdSql.checkData(11,3,None)
+        tdSql.checkData(11,4,None)
+        tdSql.checkData(11,5,None)
+        tdSql.checkData(11,6,"binary1")
+        tdSql.checkData(11,7,88)
+
+        tdSql.query("select c1 , udf1(c1) ,c2 ,udf1(c2), c3 ,udf1(c3), c4 ,udf1(c4) from stb1 order by c1")
+        tdSql.checkData(0,0,None)
+        tdSql.checkData(0,1,None)
+        tdSql.checkData(0,2,None)
+        tdSql.checkData(0,3,None)
+        tdSql.checkData(0,4,None)
+        tdSql.checkData(0,5,None)
+        tdSql.checkData(0,6,None)
+        tdSql.checkData(0,7,None)
+
+        tdSql.checkData(20,0,8)
+        tdSql.checkData(20,1,88)
+        tdSql.checkData(20,2,88888)
+        tdSql.checkData(20,3,88)
+        tdSql.checkData(20,4,888)
+        tdSql.checkData(20,5,88)
+        tdSql.checkData(20,6,88)
+        tdSql.checkData(20,7,88)
+
+
+        # aggregate functions
+        tdSql.query("select udf2(num1) ,udf2(num2), udf2(num3) from tb")
+        tdSql.checkData(0,0,15.362291496)
+        tdSql.checkData(0,1,10000949.553189287)
+        tdSql.checkData(0,2,168.633425216)
+
+        # Arithmetic compute
+        tdSql.query("select udf2(num1)+100 ,udf2(num2)-100, udf2(num3)*100 ,udf2(num3)/100 from tb")
+        tdSql.checkData(0,0,115.362291496)
+        tdSql.checkData(0,1,10000849.553189287)
+        tdSql.checkData(0,2,16863.342521576)
+        tdSql.checkData(0,3,1.686334252)
+
+        tdSql.query("select udf2(c1) ,udf2(c6) from stb1 ")
+        tdSql.checkData(0,0,25.514701644)
+        tdSql.checkData(0,1,265.247614504)
+
+        tdSql.query("select udf2(c1)+100 ,udf2(c6)-100 ,udf2(c1)*100 ,udf2(c6)/100 from stb1 ")
+        tdSql.checkData(0,0,125.514701644)
+        tdSql.checkData(0,1,165.247614504)
+        tdSql.checkData(0,2,2551.470164435)
+        tdSql.checkData(0,3,2.652476145)
+        
+        # # bug for crash when query sub table
+        tdSql.query("select udf2(c1+100) ,udf2(c6-100) ,udf2(c1*100) ,udf2(c6/100) from ct1")
+        tdSql.checkData(0,0,378.215547010)
+        tdSql.checkData(0,1,353.808067460)
+        tdSql.checkData(0,2,2114.237451187)
+        tdSql.checkData(0,3,2.125468151)
+
+        tdSql.query("select udf2(c1+100) ,udf2(c6-100) ,udf2(c1*100) ,udf2(c6/100) from stb1 ")
+        tdSql.checkData(0,0,490.358032462)
+        tdSql.checkData(0,1,400.460106627)
+        tdSql.checkData(0,2,2551.470164435)
+        tdSql.checkData(0,3,2.652476145)
+
+
+        # regular table with aggregate functions
+
+        tdSql.error("select udf1(num1) , count(num1) from tb;")
+        tdSql.error("select udf1(num1) , avg(num1) from tb;")
+        tdSql.error("select udf1(num1) , twa(num1) from tb;")
+        tdSql.error("select udf1(num1) , irate(num1) from tb;")
+        tdSql.error("select udf1(num1) , sum(num1) from tb;")
+        tdSql.error("select udf1(num1) , stddev(num1) from tb;")
+        tdSql.error("select udf1(num1) , mode(num1) from tb;")
+        tdSql.error("select udf1(num1) , HYPERLOGLOG(num1) from tb;")
+        # stable 
+        tdSql.error("select udf1(c1) , count(c1) from stb1;")
+        tdSql.error("select udf1(c1) , avg(c1) from stb1;")
+        tdSql.error("select udf1(c1) , twa(c1) from stb1;")
+        tdSql.error("select udf1(c1) , irate(c1) from stb1;")
+        tdSql.error("select udf1(c1) , sum(c1) from stb1;")
+        tdSql.error("select udf1(c1) , stddev(c1) from stb1;")
+        tdSql.error("select udf1(c1) , mode(c1) from stb1;")
+        tdSql.error("select udf1(c1) , HYPERLOGLOG(c1) from stb1;")
+
+        # regular table with select functions
+
+        tdSql.query("select udf1(num1) , max(num1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.query("select floor(num1) , max(num1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.query("select udf1(num1) , min(num1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.query("select ceil(num1) , min(num1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.error("select udf1(num1) , first(num1) from tb;")
+        
+        tdSql.error("select abs(num1) , first(num1) from tb;")
+        
+        tdSql.error("select udf1(num1) , last(num1) from tb;")
+        
+        tdSql.error("select round(num1) , last(num1) from tb;")
+        
+        tdSql.query("select udf1(num1) , top(num1,1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.query("select udf1(num1) , bottom(num1,1) from tb;")
+        tdSql.checkRows(1)
+        tdSql.error("select udf1(num1) , last_row(num1) from tb;")
+       
+        tdSql.error("select round(num1) , last_row(num1) from tb;")
+   
+        
+        # stable 
+        tdSql.query("select udf1(c1) , max(c1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select abs(c1) , max(c1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select udf1(c1) , min(c1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select floor(c1) , min(c1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.error("select udf1(c1) , first(c1) from stb1;")
+        
+        tdSql.error("select udf1(c1) , last(c1) from stb1;")
+        
+        tdSql.query("select udf1(c1) , top(c1 ,1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select abs(c1) , top(c1 ,1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select udf1(c1) , bottom(c1,1) from stb1;")
+        tdSql.checkRows(1)
+        tdSql.query("select ceil(c1) , bottom(c1,1) from stb1;")
+        tdSql.checkRows(1)
+
+        tdSql.error("select udf1(c1) , last_row(c1) from stb1;")
+        tdSql.error("select ceil(c1) , last_row(c1) from stb1;")
+        
+        # regular table with compute functions
+
+        tdSql.query("select udf1(num1) , abs(num1) from tb;")
+        tdSql.checkRows(12)
+        tdSql.query("select floor(num1) , abs(num1) from tb;")
+        tdSql.checkRows(12)
+
+        # # bug need fix 
+
+        tdSql.query("select udf1(num1) , csum(num1) from tb;")
+        tdSql.checkRows(9)
+        tdSql.query("select ceil(num1) , csum(num1) from tb;")
+        tdSql.checkRows(9)
+        tdSql.query("select udf1(c1) , csum(c1) from stb1;")
+        tdSql.checkRows(22)
+        tdSql.query("select floor(c1) , csum(c1) from stb1;")
+        tdSql.checkRows(22)
+
+        # stable  with compute functions
+        tdSql.query("select udf1(c1) , abs(c1) from stb1;")
+        tdSql.checkRows(25)
+        tdSql.query("select abs(c1) , ceil(c1) from stb1;")
+        tdSql.checkRows(25)
+
+        # nest query
+        tdSql.query("select abs(udf1(c1)) , abs(ceil(c1)) from stb1 order by ts;")
+        tdSql.checkRows(25)
+        tdSql.checkData(0,0,None)
+        tdSql.checkData(0,1,None)
+        tdSql.checkData(1,0,88)
+        tdSql.checkData(1,1,8)
+
+        tdSql.query("select abs(udf1(c1)) , abs(ceil(c1)) from ct1 order by ts;")
+        tdSql.checkRows(13)
+        tdSql.checkData(0,0,88)
+        tdSql.checkData(0,1,8)
+        tdSql.checkData(1,0,88)
+        tdSql.checkData(1,1,7)
+
+        # bug fix for crash 
+        # order by udf function result 
+        for _ in range(50):
+            tdSql.query("select udf2(c1) from stb1 group by 1-udf1(c1)")
+            print(tdSql.queryResult)
+
+        # udf functions with filter
+
+        tdSql.query("select abs(udf1(c1)) , abs(ceil(c1)) from stb1 where c1 is null  order by ts;")
+        tdSql.checkRows(3)
+        tdSql.checkData(0,0,None)
+        tdSql.checkData(0,1,None)
+
+        tdSql.query("select c1 ,udf1(c1) , c6 ,udf1(c6) from stb1 where c1 > 8  order by ts")
+        tdSql.checkRows(3)
+        tdSql.checkData(0,0,9)
+        tdSql.checkData(0,1,88)
+        tdSql.checkData(0,2,-99.990000000)
+        tdSql.checkData(0,3,88)
+
+        # udf functions with join
+        ts_start = 1652517451000
+        tdSql.execute("create stable st (ts timestamp , c1 int , c2 int ,c3 double ,c4 double ) tags(ind int)")
+        tdSql.execute("create table sub1 using st tags(1)")
+        tdSql.execute("create table sub2 using st tags(2)")
+
+        for i in range(10):
+            ts = ts_start + i *1000
+            tdSql.execute(" insert into sub1 values({} , {},{},{},{})".format(ts,i ,i*10,i*100.0,i*1000.0))
+            tdSql.execute(" insert into sub2 values({} , {},{},{},{})".format(ts,i ,i*10,i*100.0,i*1000.0))
+        
+        tdSql.query("select sub1.c1, sub2.c2 from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+        tdSql.checkData(0,0,0)
+        tdSql.checkData(0,1,0)
+        tdSql.checkData(1,0,1)
+        tdSql.checkData(1,1,10)
+
+        tdSql.query("select udf1(sub1.c1), udf1(sub2.c2) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+        tdSql.checkData(0,0,88)
+        tdSql.checkData(0,1,88)
+        tdSql.checkData(1,0,88)
+        tdSql.checkData(1,1,88)
+
+        tdSql.query("select sub1.c1 , udf1(sub1.c1), sub2.c2 ,udf1(sub2.c2) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+        tdSql.checkData(0,0,0)
+        tdSql.checkData(0,1,88)
+        tdSql.checkData(0,2,0)
+        tdSql.checkData(0,3,88)
+        tdSql.checkData(1,0,1)
+        tdSql.checkData(1,1,88)
+        tdSql.checkData(1,2,10)
+        tdSql.checkData(1,3,88)
+
+        tdSql.query("select udf2(sub1.c1), udf2(sub2.c2) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+        tdSql.checkData(0,0,16.881943016)
+        tdSql.checkData(0,1,168.819430161)
+        tdSql.error("select sub1.c1 , udf2(sub1.c1), sub2.c2 ,udf2(sub2.c2) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+
+        # udf functions with  group by 
+        tdSql.query("select udf1(c1) from ct1 group by c1")
+        tdSql.checkRows(10)
+        tdSql.query("select udf1(c1) from stb1 group by c1")
+        tdSql.checkRows(11)
+        tdSql.query("select c1,c2, udf1(c1,c2) from ct1 group by c1,c2")
+        tdSql.checkRows(10)
+        tdSql.query("select c1,c2, udf1(c1,c2) from stb1 group by c1,c2")
+        tdSql.checkRows(11)
+
+        tdSql.query("select udf2(c1) from ct1 group by c1")
+        tdSql.checkRows(10)
+        tdSql.query("select udf2(c1) from stb1 group by c1")
+        tdSql.checkRows(11)
+        tdSql.query("select c1,c2, udf2(c1,c6) from ct1 group by c1,c2")
+        tdSql.checkRows(10)
+        tdSql.query("select c1,c2, udf2(c1,c6) from stb1 group by c1,c2")
+        tdSql.checkRows(11)
+        tdSql.query("select udf2(c1) from stb1 group by udf1(c1)")
+        tdSql.checkRows(2)
+        tdSql.query("select udf2(c1) from stb1 group by floor(c1)")
+        tdSql.checkRows(11)
+
+        # udf mix with order by  
+        tdSql.query("select udf2(c1) from stb1 group by floor(c1) order by udf2(c1)")
+        tdSql.checkRows(11)
+
+
+    def multi_cols_udf(self):
+        tdSql.query("select num1,num2,num3,udf1(num1,num2,num3) from tb")
+        tdSql.checkData(0,0,None)
+        tdSql.checkData(0,1,1)
+        tdSql.checkData(0,2,1.000000000)
+        tdSql.checkData(0,3,None)
+        tdSql.checkData(1,0,1)
+        tdSql.checkData(1,1,1)
+        tdSql.checkData(1,2,1.110000000)
+        tdSql.checkData(1,3,88)
+
+        tdSql.query("select c1,c6,udf1(c1,c6) from stb1 order by ts")
+        tdSql.checkData(1,0,8)
+        tdSql.checkData(1,1,88.880000000)
+        tdSql.checkData(1,2,88)
+
+        tdSql.query("select abs(udf1(c1,c6,c1,c6)) , abs(ceil(c1)) from stb1 where c1 is not null  order by ts;")
+        tdSql.checkRows(22)
+
+        tdSql.query("select udf2(sub1.c1 ,sub1.c2), udf2(sub2.c2 ,sub2.c1) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+        tdSql.checkData(0,0,169.661427555)
+        tdSql.checkData(0,1,169.661427555)
+
+
+    def unexpected_create(self):
+        
+        tdSql.query("select udf2(sub1.c1 ,sub1.c2), udf2(sub2.c2 ,sub2.c1) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+
+    def loop_kill_udfd(self):
+
+        buildPath = self.getBuildPath()
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        
+        cfgPath = buildPath + "/../sim/dnode1/cfg"
+        udfdPath = buildPath +'/build/bin/udfd'
+
+        for i in range(5):
+
+            tdLog.info(" loop restart udfd  %d_th" % i)
+
+            tdSql.query("select udf2(sub1.c1 ,sub1.c2), udf2(sub2.c2 ,sub2.c1) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+            tdSql.checkData(0,0,169.661427555)
+            tdSql.checkData(0,1,169.661427555)
+            # stop udfd cmds 
+            get_processID = "ps -ef | grep -w udfd | grep 'root' | grep -v grep| grep -v defunct | awk '{print $2}'"
+            processID = subprocess.check_output(get_processID, shell=True).decode("utf-8")
+            stop_udfd = " kill -9 %s" % processID
+            os.system(stop_udfd)
+
+            time.sleep(2)
+            
+            tdSql.query("select udf2(sub1.c1 ,sub1.c2), udf2(sub2.c2 ,sub2.c1) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+            tdSql.checkData(0,0,169.661427555)
+            tdSql.checkData(0,1,169.661427555)
+
+            # # start udfd  cmds 
+            # start_udfd = "nohup " + udfdPath +'-c' +cfgPath +" > /dev/null 2>&1 &"
+            # tdLog.info("start udfd : %s " % start_udfd)
+
+    
+    def restart_taosd_query_udf(self):
+
+        for i in range(5):
+            time.sleep(5)
+            tdLog.info("  this is %d_th restart taosd " %i)
+            tdSql.execute("use db ")
+            tdSql.query("select count(*) from stb1")
+            tdSql.checkRows(1)
+            tdSql.query("select udf2(sub1.c1 ,sub1.c2), udf2(sub2.c2 ,sub2.c1) from sub1, sub2 where sub1.ts=sub2.ts and sub1.c1 is not null")
+            tdSql.checkData(0,0,169.661427555)
+            tdSql.checkData(0,1,169.661427555)
+            tdDnodes.stop(1)
+            time.sleep(2)
+            tdDnodes.start(1)
+            time.sleep(5)
+            
+            
+            
+    def run(self):  # sourcery skip: extract-duplicate-method, remove-redundant-fstring
+        tdSql.prepare()
+        
+        self.prepare_udf_so()
+        self.prepare_data()
+        self.create_udf_function()
+        self.basic_udf_query()
+        self.loop_kill_udfd()
+        # self.restart_taosd_query_udf()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())

tests/system-test/fulltest.sh

@@ -7,6 +7,7 @@ python3 ./test.py -f 0-others/taosShellError.py
 python3 ./test.py -f 0-others/taosShellNetChk.py
 python3 ./test.py -f 0-others/telemetry.py
 python3 ./test.py -f 0-others/taosdMonitor.py
+python3 ./test.py -f 0-others/udfTest.py
 
 python3 ./test.py -f 0-others/user_control.py