(query):diff ignore negative test case

tests/develop-test/2-query/diff_ignore_negative.py

+import sys 
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+class TDTestCase:
+    def caseDescription(self):
+        '''
+        case1<shenglian zhou>: [TD-11204]Difference improvement that can ignore negative 
+        ''' 
+        return
+    
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        self._conn = conn
+
+    def run(self):
+        print("running {}".format(__file__))
+        tdSql.execute("drop database if exists diffneg")
+        tdSql.execute("create database if not exists diffneg")
+        tdSql.execute('use diffneg')
+        tdSql.execute('create table st(ts timestamp, c1 int, c2 float) tags(t int);')
+
+        tdSql.execute('create table ct1 using st tags(1);')
+
+        tdSql.execute('create table ct2 using st tags(2);')
+
+        tdSql.execute('insert into ct1 values(1642662622000, 1, 2)(1642662622001, 2, 4)(1642662622003, -4, -6)(1642662622004, 4, 8);')
+
+        tdSql.execute('insert into ct2 values(1642662622001, 11, 22)(1642662622002, 22, 44)(1642662622003, -44, -66) (1642662622004, 44, 88);')
+
+        tdSql.query('select diff(c1) from st group by tbname')
+        tdSql.checkRows(6)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 1)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(1, 1, -6)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(2, 1, 8)
+        tdSql.checkData(2, 2, 'ct1')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(3, 1, 11)
+        tdSql.checkData(3, 2, 'ct2')
+        tdSql.checkData(4, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(4, 1, -66)
+        tdSql.checkData(4, 2, 'ct2')
+        tdSql.checkData(5, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(5, 1, 88)
+        tdSql.checkData(5, 2, 'ct2')
+
+        tdSql.query('select diff(c1,0) from st group by tbname')
+        tdSql.checkRows(6)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 1)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(1, 1, -6)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(2, 1, 8)
+        tdSql.checkData(2, 2, 'ct1')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(3, 1, 11)
+        tdSql.checkData(3, 2, 'ct2')
+        tdSql.checkData(4, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(4, 1, -66)
+        tdSql.checkData(4, 2, 'ct2')
+        tdSql.checkData(5, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(5, 1, 88)
+        tdSql.checkData(5, 2, 'ct2')
+
+        tdSql.query('select diff(c1,1) from st group by tbname')
+        tdSql.checkRows(4)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 1)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(1, 1, 2)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(2, 1, 11)
+        tdSql.checkData(2, 2, 'ct2')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(3, 1, 22)
+        tdSql.checkData(3, 2, 'ct2')
+
+        tdSql.query('select diff(c2) from st group by tbname')
+        tdSql.checkRows(6)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 2.0)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(1, 1, -10.0)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(2, 1, 14.0)
+        tdSql.checkData(2, 2, 'ct1')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(3, 1, 22.0)
+        tdSql.checkData(3, 2, 'ct2')
+        tdSql.checkData(4, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(4, 1, -110.0)
+        tdSql.checkData(4, 2, 'ct2')
+        tdSql.checkData(5, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(5, 1, 154.0)
+        tdSql.checkData(5, 2, 'ct2')
+
+        tdSql.query('select diff(c2,0) from st group by tbname')
+        tdSql.checkRows(6)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 2.0)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(1, 1, -10.0)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(2, 1, 14.0)
+        tdSql.checkData(2, 2, 'ct1')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(3, 1, 22.0)
+        tdSql.checkData(3, 2, 'ct2')
+        tdSql.checkData(4, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 3000))
+        tdSql.checkData(4, 1, -110.0)
+        tdSql.checkData(4, 2, 'ct2')
+        tdSql.checkData(5, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(5, 1, 154.0)
+        tdSql.checkData(5, 2, 'ct2')
+
+        tdSql.query('select diff(c2,1) from st group by tbname')
+        tdSql.checkRows(4)
+        tdSql.checkData(0, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 1000))
+        tdSql.checkData(0, 1, 2.0)
+        tdSql.checkData(0, 2, 'ct1')
+        tdSql.checkData(1, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(1, 1, 4.0)
+        tdSql.checkData(1, 2, 'ct1')
+        tdSql.checkData(2, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 2000))
+        tdSql.checkData(2, 1, 22.0)
+        tdSql.checkData(2, 2, 'ct2')
+        tdSql.checkData(3, 0, datetime.datetime(2022, 1, 20, 15, 10, 22, 4000))
+        tdSql.checkData(3, 1, 44.0)
+        tdSql.checkData(3, 2, 'ct2')
+
+        tdSql.execute('drop database diffneg')
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/develop-test/fulltest-query.sh

@@ -7,3 +7,4 @@ python3 ./test.py -f 2-query/ts_2016.py
 python3 ./test.py -f 2-query/function_mavg.py
 python3 ./test.py -f 2-query/escape.py
 python3 ./test.py -f 2-query/func_compare.py
+python3 ./test.py -f 2-query/diff_ignore_negative.py