Merge pull request #13015 from taosdata/test/jcy

test：add test case for functions

tests/system-test/2-query/To_iso8601.py

@@ -95,7 +95,7 @@ class TDTestCase:
         # tdSql.query("select to_iso8601(-1) from ntb")
         tdSql.query("select to_iso8601(9223372036854775807) from ntb")
         tdSql.checkRows(3)
-
+        # bug TD-14896
         # tdSql.query("select to_iso8601(10000000000) from ntb")
         # tdSql.checkData(0,0,None)
         # tdSql.query("select to_iso8601(-1) from ntb")
@@ -106,11 +106,6 @@ class TDTestCase:
         tdSql.error("select to_iso8601(1.5) from db.ntb")
         tdSql.error("select to_iso8601('a') from ntb")
         tdSql.error("select to_iso8601(c2) from ntb")
-        
-
-
-
-
         tdSql.query("select to_iso8601(now) from stb")
         tdSql.query("select to_iso8601(now()) from stb")
         tdSql.checkRows(3)
@@ -126,7 +121,7 @@ class TDTestCase:
         tdSql.checkRows(3)
         tdSql.query("select to_iso8601(ts)+'a' from stb ")
         tdSql.checkRows(3)
-        # tdSql.query()
+        
         tdSql.query("select to_iso8601(today()) *null from stb")
         tdSql.checkRows(3)
         tdSql.checkData(0,0,None)
@@ -152,7 +147,9 @@ class TDTestCase:
         tdSql.checkRows(3)
         tdSql.checkData(0,0,None)
 
+        # bug TD-14896
         # tdSql.query("select to_iso8601(-1) from ntb")
+        # tdSql.checkRows(3)
 
 
 

tests/system-test/2-query/bottom.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 *
+
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+        self.rowNum = 10
+        self.ts = 1537146000000
+        
+    def run(self):
+        tdSql.prepare()    
+
+        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+                    col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
+        tdSql.execute("create table test1 using test tags('beijing')")
+        for i in range(self.rowNum):
+            tdSql.execute("insert into test1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
+                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))                            
+
+        # bottom verifacation 
+        tdSql.error("select bottom(ts, 10) from test")
+        tdSql.error("select bottom(col1, 0) from test")
+        tdSql.error("select bottom(col1, 101) from test")
+        tdSql.error("select bottom(col2, 0) from test")
+        tdSql.error("select bottom(col2, 101) from test")
+        tdSql.error("select bottom(col3, 0) from test")
+        tdSql.error("select bottom(col3, 101) from test")
+        tdSql.error("select bottom(col4, 0) from test")
+        tdSql.error("select bottom(col4, 101) from test")
+        tdSql.error("select bottom(col5, 0) from test")
+        tdSql.error("select bottom(col5, 101) from test")
+        tdSql.error("select bottom(col6, 0) from test")
+        tdSql.error("select bottom(col6, 101) from test")        
+        tdSql.error("select bottom(col7, 10) from test")        
+        tdSql.error("select bottom(col8, 10) from test")
+        tdSql.error("select bottom(col9, 10) from test")
+
+        tdSql.query("select bottom(col1, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+        tdSql.query("select bottom(col2, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col3, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col4, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col11, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col12, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col13, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+
+        tdSql.query("select bottom(col14, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(2,),(1,)])
+        tdSql.query("select ts,bottom(col1, 2) from test1")
+        tdSql.checkRows(2)
+        tdSql.query("select ts,bottom(col1, 2),ts from test group by tbname")
+        tdSql.checkRows(2)
+        
+        tdSql.query('select bottom(col2,1) from test interval(1y) order by col2')
+        tdSql.checkData(0,0,1)
+
+        tdSql.error('select * from test where bottom(col2,1)=1')
+        
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/system-test/2-query/diff.py

@@ -15,59 +15,51 @@ class TDTestCase:
         self.perfix = 'dev'
         self.tables = 10
 
-    def insertData(self):
-        print("==============step1")
-        tdSql.execute(
-            "create table if not exists st (ts timestamp, col int) tags(dev nchar(50))")
-
-        for i in range(self.tables):
-            tdSql.execute("create table %s%d using st tags(%d)" % (self.perfix, i, i))
-            rows = 15 + i
-            for j in range(rows):
-                tdSql.execute("insert into %s%d values(%d, %d)" %(self.perfix, i, self.ts + i * 20 * 10000 + j * 10000, j))
 
     def run(self):
         tdSql.prepare()
-        tdSql.execute("create table ntb(ts timestamp,c1 int,c2 double,c3 float)")
-        tdSql.execute("insert into ntb values(now,1,1.0,10.5)(now+1s,10,-100.0,5.1)(now+10s,-1,15.1,5.0)")
+        tdSql.execute(
+            "create table ntb(ts timestamp,c1 int,c2 double,c3 float)")
+        tdSql.execute(
+            "insert into ntb values(now,1,1.0,10.5)(now+1s,10,-100.0,5.1)(now+10s,-1,15.1,5.0)")
 
         tdSql.query("select diff(c1,0) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,9)
-        tdSql.checkData(1,0,-11)
+        tdSql.checkData(0, 0, 9)
+        tdSql.checkData(1, 0, -11)
         tdSql.query("select diff(c1,1) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,9)
-        tdSql.checkData(1,0,None)
-        
+        tdSql.checkData(0, 0, 9)
+        tdSql.checkData(1, 0, None)
+
         tdSql.query("select diff(c2,0) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,-101)
-        tdSql.checkData(1,0,115.1)
+        tdSql.checkData(0, 0, -101)
+        tdSql.checkData(1, 0, 115.1)
         tdSql.query("select diff(c2,1) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,None)
-        tdSql.checkData(1,0,115.1)
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(1, 0, 115.1)
 
         tdSql.query("select diff(c3,0) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,-5.4)
-        tdSql.checkData(1,0,-0.1)
+        tdSql.checkData(0, 0, -5.4)
+        tdSql.checkData(1, 0, -0.1)
         tdSql.query("select diff(c3,1) from ntb")
         tdSql.checkRows(2)
-        tdSql.checkData(0,0,None)
-        tdSql.checkData(1,0,None)
-
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(1, 0, None)
 
         tdSql.execute('''create table stb(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
                     col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
         tdSql.execute("create table stb_1 using stb tags('beijing')")
-        tdSql.execute("insert into stb_1 values(%d, 0, 0, 0, 0, 0.0, 0.0, False, ' ', ' ', 0, 0, 0, 0)" % (self.ts - 1))
-        
-        # diff verifacation 
+        tdSql.execute(
+            "insert into stb_1 values(%d, 0, 0, 0, 0, 0.0, 0.0, False, ' ', ' ', 0, 0, 0, 0)" % (self.ts - 1))
+
+        # diff verifacation
         tdSql.query("select diff(col1) from stb_1")
         tdSql.checkRows(0)
-        
+
         tdSql.query("select diff(col2) from stb_1")
         tdSql.checkRows(0)
 
@@ -87,38 +79,23 @@ class TDTestCase:
         tdSql.checkRows(0)
 
         for i in range(self.rowNum):
-            tdSql.execute("insert into stb_1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
-                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))                                
-        
-        # tdSql.error("select diff(ts) from stb")
+            tdSql.execute("insert into stb_1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)"
+                          % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
+
+        tdSql.error("select diff(ts) from stb")
         tdSql.error("select diff(ts) from stb_1")
-        # tdSql.error("select diff(col7) from stb")     
-                       
-        # tdSql.error("select diff(col8) from stb") 
+
+        # tdSql.error("select diff(col7) from stb")
+
+        tdSql.error("select diff(col8) from stb")
         tdSql.error("select diff(col8) from stb_1")
-        # tdSql.error("select diff(col9) from stb")        
+        tdSql.error("select diff(col9) from stb")
         tdSql.error("select diff(col9) from stb_1")
         tdSql.error("select diff(col11) from stb_1")
         tdSql.error("select diff(col12) from stb_1")
         tdSql.error("select diff(col13) from stb_1")
         tdSql.error("select diff(col14) from stb_1")
-
-        tdSql.query("select ts,diff(col1),ts from stb_1")
-        tdSql.checkRows(11)
-        tdSql.checkData(0, 0, "2018-09-17 09:00:00.000")
-        tdSql.checkData(1, 0, "2018-09-17 09:00:00.000")
-        tdSql.checkData(1, 2, "2018-09-17 09:00:00.000")
-        tdSql.checkData(9, 0, "2018-09-17 09:00:00.009")
-        tdSql.checkData(9, 2, "2018-09-17 09:00:00.009")
-
-        # tdSql.query("select ts,diff(col1),ts from stb group by tbname")
-        # tdSql.checkRows(10)
-        # tdSql.checkData(0, 0, "2018-09-17 09:00:00.000")
-        # tdSql.checkData(0, 1, "2018-09-17 09:00:00.000")
-        # tdSql.checkData(0, 3, "2018-09-17 09:00:00.000")
-        # tdSql.checkData(9, 0, "2018-09-17 09:00:00.009")
-        # tdSql.checkData(9, 1, "2018-09-17 09:00:00.009")
-        # tdSql.checkData(9, 3, "2018-09-17 09:00:00.009")
+        tdSql.error("select ts,diff(col1),ts from stb_1")
 
         tdSql.query("select diff(col1) from stb_1")
         tdSql.checkRows(10)
@@ -137,10 +114,27 @@ class TDTestCase:
 
         tdSql.query("select diff(col6) from stb_1")
         tdSql.checkRows(10)
-        
+
+        tdSql.execute('''create table stb1(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+                    col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
+        tdSql.execute("create table stb1_1 using stb tags('shanghai')")
+
+        for i in range(self.rowNum):
+            tdSql.execute("insert into stb1_1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)"
+                          % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
+        for i in range(self.rowNum):
+            tdSql.execute("insert into stb1_1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)"
+                          % (self.ts - i-1, i-1, i-1, i-1, i-1, -i - 0.1, -i - 0.1, -i % 2, i - 1, i - 1, i + 1, i + 1, i + 1, i + 1))
+        tdSql.query("select diff(col1,0) from stb1_1")
+        tdSql.checkRows(19)
+        tdSql.query("select diff(col1,1) from stb1_1")
+        tdSql.checkRows(19)
+        tdSql.checkData(0,0,None)
+
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
 
+
 tdCases.addWindows(__file__, TDTestCase())
-tdCases.addLinux(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file

tests/system-test/2-query/first.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 -*-
+
+import sys
+import taos
+from util.log import *
+from util.cases import *
+from util.sql import *
+import numpy as np
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+        self.rowNum = 10
+        self.ts = 1537146000000
+        
+    def run(self):
+        tdSql.prepare()
+
+        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+                    col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
+        tdSql.execute("create table test1 using test tags('beijing')")
+        tdSql.execute("insert into test1(ts) values(%d)" % (self.ts - 1))
+
+        # first verifacation        
+        # bug TD-15957 
+        tdSql.query("select first(*) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, None)
+
+        tdSql.query("select first(col1) from test1")
+        tdSql.checkRows(0)        
+
+        tdSql.query("select first(col2) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col3) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col4) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col11) from test1")
+        tdSql.checkRows(0)        
+
+        tdSql.query("select first(col12) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col13) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col14) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col5) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col6) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col7) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col8) from test1")
+        tdSql.checkRows(0)
+
+        tdSql.query("select first(col9) from test1")
+        tdSql.checkRows(0)
+
+        for i in range(self.rowNum):
+            tdSql.execute("insert into test1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
+                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))            
+
+        tdSql.query("select first(*) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, 1)
+
+        tdSql.query("select first(col1) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col2) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col3) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col4) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col11) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col12) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col13) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col14) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 1)
+
+        tdSql.query("select first(col5) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 0.1)
+
+        tdSql.query("select first(col6) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 0.1)
+
+        tdSql.query("select first(col7) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, False)
+
+        tdSql.query("select first(col8) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 'taosdata1')
+
+        tdSql.query("select first(col9) from test1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, '涛思数据1')
+        
+        
+        tdSql.query("select first(*),last(*) from test1 where ts < 23 interval(1s)")
+        tdSql.checkRows(0)
+                
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/system-test/2-query/last.py

@@ -170,7 +170,96 @@ class TDTestCase:
         tdSql.query("select last(col9) from db.stb_1")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, '涛思数据10')
+        tdSql.query("select last(col1,col2,col3) from stb_1")
+        tdSql.checkData(0,2,10)
 
+        tdSql.query("select last(*) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, 10)
+        tdSql.query("select last(*) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 1, 10)
+        tdSql.query("select last(col1) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col1) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col2) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col2) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col3) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col3) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col4) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col4) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col11) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col11) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col12) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col12) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col13) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col13) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col14) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col14) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 10)
+        tdSql.query("select last(col5) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 9.1)
+        tdSql.query("select last(col5) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 9.1)
+        tdSql.query("select last(col6) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 9.1)
+        tdSql.query("select last(col6) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 9.1)
+        tdSql.query("select last(col7) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, True)
+        tdSql.query("select last(col7) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, True)
+        tdSql.query("select last(col8) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 'taosdata10')
+        tdSql.query("select last(col8) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 'taosdata10')
+        tdSql.query("select last(col9) from stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, '涛思数据10')
+        tdSql.query("select last(col9) from db.stb")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, '涛思数据10')
+        tdSql.query("select last(col1,col2,col3) from stb")
+        tdSql.checkData(0,2,10)
+        
 
         tdSql.execute('''create table ntb(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
                     col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned)''')
@@ -322,7 +411,12 @@ class TDTestCase:
         tdSql.query("select last(col9) from db.ntb")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, '涛思数据10')
- 
+        tdSql.query("select last(col1,col2,col3) from ntb")
+        tdSql.checkData(0,2,10)
+
+        tdSql.error("select col1 from stb where last(col9)='涛思数据10'")
+        tdSql.error("select col1 from ntb where last(col9)='涛思数据10'")
+        tdSql.error("select col1 from stb_1 where last(col9)='涛思数据10'")
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)

tests/system-test/2-query/percentile.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 *
+import numpy as np
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+        self.rowNum = 10
+        self.ts = 1537146000000
+        
+    def run(self):
+        tdSql.prepare()
+
+        intData = []        
+        floatData = []
+
+        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+                    col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned)''')
+        for i in range(self.rowNum):
+            tdSql.execute("insert into test values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
+                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
+            intData.append(i + 1)            
+            floatData.append(i + 0.1)                        
+
+        # percentile verifacation 
+        tdSql.error("select percentile(ts ,20) from test")
+        tdSql.error("select apercentile(ts ,20) from test")
+        tdSql.error("select percentile(col7 ,20) from test")
+        tdSql.error("select apercentile(col7 ,20) from test")
+        tdSql.error("select percentile(col8 ,20) from test")        
+        tdSql.error("select apercentile(col8 ,20) from test")
+        tdSql.error("select percentile(col9 ,20) from test")
+        tdSql.error("select apercentile(col9 ,20) from test")        
+
+        tdSql.query("select percentile(col1, 0) from test")        
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col1, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col1, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col1, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col1, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100))
+        tdSql.query("select apercentile(col1, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))  
+
+        tdSql.query("select percentile(col2, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col2, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col2, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col2, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col2, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100)) 
+        tdSql.query("select apercentile(col2, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col3, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col3, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col3, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col3, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col3, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100))
+        tdSql.query("select apercentile(col3, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col4, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col4, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col4, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col4, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col4, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100)) 
+        tdSql.query("select apercentile(col4, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col11, 0) from test")        
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col11, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col11, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col11, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col11, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100))
+        tdSql.query("select apercentile(col11, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))  
+
+        tdSql.query("select percentile(col12, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col12, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col12, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col12, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col12, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100)) 
+        tdSql.query("select apercentile(col12, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col13, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col13, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col13, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col13, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col13, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100))
+        tdSql.query("select apercentile(col13, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col14, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 0))
+        tdSql.query("select apercentile(col14, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col14, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 50))
+        tdSql.query("select apercentile(col14, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col14, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(intData, 100)) 
+        tdSql.query("select apercentile(col14, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+        tdSql.query("select percentile(col5, 0) from test")        
+        print("query result: %s" % tdSql.getData(0, 0))
+        print("array result: %s" % np.percentile(floatData, 0))
+        tdSql.query("select apercentile(col5, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col5, 50) from test")
+        print("query result: %s" % tdSql.getData(0, 0))
+        print("array result: %s" % np.percentile(floatData, 50))
+        tdSql.query("select apercentile(col5, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))        
+        tdSql.query("select percentile(col5, 100) from test")
+        print("query result: %s" % tdSql.getData(0, 0))
+        print("array result: %s" % np.percentile(floatData, 100)) 
+        tdSql.query("select apercentile(col5, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))     
+
+        tdSql.query("select percentile(col6, 0) from test")
+        tdSql.checkData(0, 0, np.percentile(floatData, 0))
+        tdSql.query("select apercentile(col6, 0) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col6, 50) from test")
+        tdSql.checkData(0, 0, np.percentile(floatData, 50))
+        tdSql.query("select apercentile(col6, 50) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+        tdSql.query("select percentile(col6, 100) from test")
+        tdSql.checkData(0, 0, np.percentile(floatData, 100)) 
+        tdSql.query("select apercentile(col6, 100) from test")
+        print("apercentile result: %s" % tdSql.getData(0, 0)) 
+
+        tdSql.execute("create table meters (ts timestamp, voltage int) tags(loc nchar(20))")
+        tdSql.execute("create table t0 using meters tags('beijing')")
+        tdSql.execute("create table t1 using meters tags('shanghai')")
+        for i in range(self.rowNum):
+            tdSql.execute("insert into t0 values(%d, %d)" % (self.ts + i, i + 1))            
+            tdSql.execute("insert into t1 values(%d, %d)" % (self.ts + i, i + 1))            
+        
+        tdSql.error("select percentile(voltage, 20) from meters")
+        tdSql.query("select apercentile(voltage, 20) from meters")
+        print("apercentile result: %s" % tdSql.getData(0, 0))
+
+ 
+        tdSql.execute("create table st(ts timestamp, k int)")
+        tdSql.execute("insert into st values(now, -100)(now+1a,-99)")
+        tdSql.query("select apercentile(k, 20) from st")
+        tdSql.checkData(0, 0, -100.00)
+
+
+        
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/system-test/2-query/top.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 *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+        self.rowNum = 10
+        self.ts = 1537146000000
+        
+    def run(self):
+        tdSql.prepare()
+
+        
+
+        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+                    col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
+        tdSql.execute("create table test1 using test tags('beijing')")
+        for i in range(self.rowNum):
+            tdSql.execute("insert into test1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
+                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
+                                
+
+        # top verifacation 
+        tdSql.error("select top(ts, 10) from test")
+        tdSql.error("select top(col1, 0) from test")
+        tdSql.error("select top(col1, 101) from test")
+        tdSql.error("select top(col2, 0) from test")
+        tdSql.error("select top(col2, 101) from test")
+        tdSql.error("select top(col3, 0) from test")
+        tdSql.error("select top(col3, 101) from test")
+        tdSql.error("select top(col4, 0) from test")
+        tdSql.error("select top(col4, 101) from test")
+        tdSql.error("select top(col5, 0) from test")
+        tdSql.error("select top(col5, 101) from test")
+        tdSql.error("select top(col6, 0) from test")
+        tdSql.error("select top(col6, 101) from test")        
+        tdSql.error("select top(col7, 10) from test")        
+        tdSql.error("select top(col8, 10) from test")
+        tdSql.error("select top(col9, 10) from test")
+        tdSql.error("select top(col11, 0) from test")
+        tdSql.error("select top(col11, 101) from test")
+        tdSql.error("select top(col12, 0) from test")
+        tdSql.error("select top(col12, 101) from test")
+        tdSql.error("select top(col13, 0) from test")
+        tdSql.error("select top(col13, 101) from test")
+        tdSql.error("select top(col14, 0) from test")
+        tdSql.error("select top(col14, 101) from test")
+
+        tdSql.query("select top(col1, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col2, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col3, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col4, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col11, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col12, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col13, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select top(col14, 2) from test")
+        tdSql.checkRows(2)
+        tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
+        tdSql.query("select ts,top(col1, 2),ts from test1")
+        tdSql.checkRows(2)
+
+        tdSql.query("select ts,top(col1, 2),ts from test group by tbname")
+        tdSql.checkRows(2)
+        tdSql.query('select top(col2,1) from test interval(1y) order by col2')
+        tdSql.checkData(0,0,10)
+        
+        tdSql.error('select * from test where bottom(col2,1)=1')
+                   
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/system-test/fulltest.sh

@@ -40,12 +40,18 @@ python3 ./test.py -f 2-query/max.py
 python3 ./test.py -f 2-query/min.py
 python3 ./test.py -f 2-query/count.py
 python3 ./test.py -f 2-query/last.py
-#python3 ./test.py -f 2-query/To_iso8601.py
+python3 ./test.py -f 2-query/first.py
+python3 ./test.py -f 2-query/To_iso8601.py
 python3 ./test.py -f 2-query/To_unixtimestamp.py
 python3 ./test.py -f 2-query/timetruncate.py
-# python3 ./test.py -f 2-query/diff.py
+python3 ./test.py -f 2-query/diff.py
 python3 ./test.py -f 2-query/Timediff.py
 
+#python3 ./test.py -f 2-query/cast.py
+python3 ./test.py -f 2-query/top.py
+python3 ./test.py -f 2-query/bottom.py
+
+
 python3 ./test.py -f 2-query/abs.py
 python3 ./test.py -f 2-query/ceil.py
 python3 ./test.py -f 2-query/floor.py