add test case

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

+###################################################################
+#           Copyright (c) 2016 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 -*-
+
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.common import *
+from util.sqlset import *
+
+class TDTestCase:
+    def init(self, conn, logSql, replicaVar=1):
+        self.replicaVar = int(replicaVar)
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        self.setsql = TDSetSql()
+        self.dbname = 'db'
+        self.stbname = 'stb'
+        self.binary_length = 20 # the length of binary for column_dict
+        self.nchar_length = 20  # the length of nchar for column_dict
+        self.ts = 1537146000000
+        self.column_dict = {
+            'ts'  : 'timestamp',
+            'col1': 'tinyint',
+            'col2': 'smallint',
+            'col3': 'int',
+            'col4': 'bigint',
+            'col5': 'tinyint unsigned',
+            'col6': 'smallint unsigned',
+            'col7': 'int unsigned',
+            'col8': 'bigint unsigned',
+            'col9': 'float',
+            'col10': 'double',
+            'col11': 'bool',
+            'col12': f'binary({self.binary_length})',
+            'col13': f'nchar({self.nchar_length})'
+        }
+        self.tbnum = 20
+        self.rowNum = 10
+        self.tag_dict = {
+            't0':'int'
+        }
+        self.tag_values = [
+            f'1'
+            ]
+        self.binary_str = 'taosdata'
+        self.nchar_str = '涛思数据'
+        self.ins_list = ['ins_dnodes','ins_mnodes','ins_modules','ins_qnodes','ins_snodes','ins_cluster','ins_databases','ins_functions',\
+            'ins_indexes','ins_stables','ins_tables','ins_tags','ins_users','ins_grants','ins_vgroups','ins_configs','ins_dnode_variables',\
+                'ins_topics','ins_subscriptions','ins_streams','ins_stream_tasks','ins_vnodes','ins_user_privileges']
+        self.perf_list = ['perf_connections','perf_queries','perf_consumers','perf_trans','perf_apps']
+    def insert_data(self,column_dict,tbname,row_num):
+        insert_sql = self.setsql.set_insertsql(column_dict,tbname,self.binary_str,self.nchar_str)
+        for i in range(row_num):
+            insert_list = []
+            self.setsql.insert_values(column_dict,i,insert_sql,insert_list,self.ts)
+    def prepare_data(self):
+        tdSql.execute(f"create database if not exists {self.dbname} vgroups 2")
+        tdSql.execute(f'use {self.dbname}')
+        tdSql.execute(self.setsql.set_create_stable_sql(self.stbname,self.column_dict,self.tag_dict))
+        for i in range(self.tbnum):
+            tdSql.execute(f"create table {self.stbname}_{i} using {self.stbname} tags({self.tag_values[0]})")
+            self.insert_data(self.column_dict,f'{self.stbname}_{i}',self.rowNum)
+    def count_check(self):
+        tdSql.query('select count(*) from information_schema.ins_tables')
+        tdSql.checkEqual(tdSql.queryResult[0][0],self.tbnum+len(self.ins_list)+len(self.perf_list))
+        tdSql.query(f'select count(*) from information_schema.ins_tables where db_name = "{self.dbname}"')
+        tdSql.checkEqual(tdSql.queryResult[0][0],self.tbnum)
+        tdSql.query(f'select count(*) from information_schema.ins_tables where db_name = "{self.dbname}" and stable_name = "{self.stbname}"')
+        tdSql.checkEqual(tdSql.queryResult[0][0],self.tbnum)
+        tdSql.execute('create database db1')
+        tdSql.execute('create table stb1 (ts timestamp,c0 int) tags(t0 int)')
+        tdSql.execute('create table tb1 using stb1 tags(1)')
+        tdSql.query(f'select db_name, stable_name, count(*) from information_schema.ins_tables group by db_name, stable_name')
+        for i in tdSql.queryResult:
+            if i[0].lower() == 'information_schema':
+                tdSql.checkEqual(i[2],len(self.ins_list))
+            elif i[0].lower() == self.dbname and i[1] == self.stbname:
+                tdSql.checkEqual(i[2],self.tbnum)
+            elif i[0].lower() == self.dbname and i[1] == 'stb1':
+                tdSql.checkEqual(i[2],1)
+            elif i[0].lower() == 'performance_schema':
+                tdSql.checkEqual(i[2],len(self.perf_list))
+        tdSql.execute('create table db1.ntb (ts timestamp,c0 int)')
+        tdSql.query(f'select db_name, count(*) from information_schema.ins_tables group by db_name')
+        print(tdSql.queryResult)
+        for i in tdSql.queryResult:
+            if i[0].lower() == 'information_schema':
+                tdSql.checkEqual(i[1],len(self.ins_list))
+            elif i[0].lower() == 'performance_schema':
+                tdSql.checkEqual(i[1],len(self.perf_list))
+            elif i[0].lower() == self.dbname:
+                tdSql.checkEqual(i[1],self.tbnum+1)
+    def run(self):
+        self.prepare_data()
+        self.count_check()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
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