[TD-13970]<feature>: timestamp format shortcut

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

+###################################################################
+#           Copyright (c) 2021 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 sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def caseDescription(self):
+        '''
+        case1<ganlin zhao>: [TD-13970] timestamp format shortcut
+        '''
+        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 db")
+        tdSql.execute("create database if not exists db")
+        tdSql.execute('use db')
+
+        tdSql.execute('create table tb(ts timestamp, c0 int)')
+        tdSql.execute('create stable stb(ts timestamp , c0 int) tags (t0 timestamp)')
+
+        #INSERT
+        tdSql.execute('insert into tb values ("2020-02-02", 1);')
+        tdSql.query('select ts from tb');
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        tdSql.execute('insert into ctb using stb tags("2020-02-02") values ("2020-02-02", 1)')
+        tdSql.query('select ts,t0 from ctb');
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+        res = tdSql.getData(0, 1)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+        tdSql.query('select ts,t0 from stb');
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+        res = tdSql.getData(0, 1)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        #SELECT WHERE
+        tdSql.query('select ts from tb where ts = "2020-02-02"')
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        tdSql.query('select ts from ctb where ts <= "2020-02-02"')
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        tdSql.query('select ts from stb where ts >= "2020-02-02"')
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        #CREATE TAG
+        tdSql.execute('create table ctb1 using stb tags("2020-02-02")')
+        tdSql.query('select t0 from ctb1');
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        #TIME RELATED functions
+        tdSql.query('select to_unixtimestamp("2020-02-02") from tb')
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1580572800000)
+
+        tdSql.query('select timetruncate("2020-02-02", 1h) from tb;')
+        tdSql.checkRows(1)
+        res = tdSql.getData(0, 0)
+        tdSql.checkEqual(str(res), "2020-02-02 00:00:00")
+
+        tdSql.query('select timediff("2020-02-02", "2020-02-03", 1h) from tb;')
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 24)
+
+        tdSql.execute('drop database db')
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/parallel_test/cases.task

@@ -744,3 +744,4 @@
 3,,pytest,python3 ./test.py -f query/queryNcharNull.py
 3,,develop-test,python3 ./test.py -f 2-query/ts_hidden_column.py 
 3,,develop-test,python3 ./test.py -f 1-insert/uppercase_in_stmt.py
+3,,develop-test,python3 ./test.py -f 2-query/ts_shortcut.py