add test case

tests/develop-test/2-query/TD-14763.py

+import sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import tdDnodes
+from math import inf
+
+class TDTestCase:
+    def caseDescription(self):
+        '''
+        case1<shenglian zhou>: [TD-14763]csum can not be used on state window
+        '''
+        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 td14763")
+        tdSql.execute("create database td14763")
+        tdSql.execute("use td14763")
+
+        tdSql.execute("create table st ( ts timestamp, i int, b bool) tags (t1 int)")
+        tdSql.execute("create table ct1 using st tags(1)")
+        tdSql.execute("create table ct2 using st tags(2)")
+
+        for i in range(0, 4000, 2):
+            b = True if i%3 == 0 else False
+            tdSql.execute("insert into ct1 values(now + {}a, {}, {})".format(i, i, b))
+            tdSql.execute("insert into ct2 values(now + {}a, {}, {})".format(i+1, i+1, b))
+
+        tdSql.error("select csum(i) from  ct1 state_window(b)")
+        tdSql.error("select csum(i) from (select * from st) state_window(b)")
+        tdSql.query("select csum(i) from ct1");
+
+        tdSql.execute('drop database td14763')
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
+