[TD-3920] <test> add case to fix the bug of TD-3920

tests/pytest/fulltest.sh

@@ -239,6 +239,7 @@ python3 ./test.py -f stream/history.py
 python3 ./test.py -f stream/sys.py
 python3 ./test.py -f stream/table_1.py
 python3 ./test.py -f stream/table_n.py
+python3 ./test.py -f stream/cqSupportBefore1970.py
 
 #alter table
 python3 ./test.py -f alter/alter_table_crash.py

tests/pytest/stream/cqSupportBefore1970.py

+#  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 sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to execute {__file__}")
+        tdSql.init(conn.cursor(), logSql)
+
+    def insertnow(self):
+
+        # timestamp list:
+        #   0 -> "1970-01-01 08:00:00" | -28800000 -> "1970-01-01 00:00:00" | -946800000000 -> "1940-01-01 00:00:00"
+        #   -631180800000 -> "1950-01-01 00:00:00"
+
+        tsp1 = 0
+        tsp2 = -28800000
+        tsp3 = -946800000000
+        tsp4 = "1969-01-01 00:00:00.000"
+
+        tdSql.execute("insert into tcq1 values (now-11d, 5)")
+        tdSql.execute(f"insert into tcq1 values ({tsp1}, 4)")
+        tdSql.execute(f"insert into tcq1 values ({tsp2}, 3)")
+        tdSql.execute(f"insert into tcq1 values ('{tsp4}', 2)")
+        tdSql.execute(f"insert into tcq1 values ({tsp3}, 1)")
+
+    def waitedQuery(self, sql, expectRows, timeout):
+        tdLog.info(f"sql: {sql}, try to retrieve {expectRows} rows in {timeout} seconds")
+        try:
+            for i in range(timeout):
+                tdSql.cursor.execute(sql)
+                self.queryResult = tdSql.cursor.fetchall()
+                self.queryRows = len(self.queryResult)
+                self.queryCols = len(tdSql.cursor.description)
+                # tdLog.info("sql: %s, try to retrieve %d rows,get %d rows" % (sql, expectRows, self.queryRows))
+                if self.queryRows >= expectRows:
+                    return (self.queryRows, i)
+                time.sleep(1)
+        except Exception as e:
+            caller = inspect.getframeinfo(inspect.stack()[1][0])
+            tdLog.notice(f"{caller.filename}({caller.lineno}) failed: sql:{sql}, {repr(e)}")
+            raise Exception(repr(e))
+        return (self.queryRows, timeout)
+
+    def cq(self):
+        tdSql.execute(
+            "create table cq1 as select avg(c1) from tcq1 where ts > -946800000000 interval(10d) sliding(1d)"
+        )
+        self.waitedQuery("select * from cq1", 1, 120)
+
+    def querycq(self):
+        tdSql.query("select * from cq1")
+        tdSql.checkData(0, 1, 1.0)
+        tdSql.checkData(10, 1, 2.0)
+
+    def run(self):
+        tdSql.execute("drop database if exists dbcq")
+        tdSql.execute("create database  if not exists dbcq keep 36500")
+        tdSql.execute("use dbcq")
+
+        tdSql.execute("create table stbcq (ts timestamp, c1 int ) TAGS(t1 int)")
+        tdSql.execute("create table tcq1 using stbcq tags(1)")
+
+        self.insertnow()
+        self.cq()
+        self.querycq()
+        
+        # after wal and sync, check again
+        tdSql.query("show dnodes")
+        index = tdSql.getData(0, 0)
+        tdDnodes.stop(index)
+        tdDnodes.start(index)
+
+        self.querycq()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
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