mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
660 lines
20 KiB
Text
660 lines
20 KiB
Text
|
|
taos> select MAX(current) from ts_4893.meters
|
|
max(current) |
|
|
=======================
|
|
11.999 |
|
|
|
|
taos> select MAX(voltage) from ts_4893.meters
|
|
max(voltage) |
|
|
===============
|
|
224 |
|
|
|
|
taos> select MAX(name) from ts_4893.meters
|
|
max(name) |
|
|
=================================
|
|
x |
|
|
|
|
taos> select MAX(nch1) from ts_4893.meters
|
|
max(nch1) |
|
|
=================================
|
|
一二三四五六七八九十 |
|
|
|
|
taos> select MAX(nch2) from ts_4893.meters
|
|
max(nch2) |
|
|
=================================
|
|
四 |
|
|
|
|
taos> select MAX(var1) from ts_4893.meters
|
|
max(var1) |
|
|
=================================
|
|
一二三四五六七八九十 |
|
|
|
|
taos> select MAX(var2) from ts_4893.meters
|
|
max(var2) |
|
|
=================================
|
|
四 |
|
|
|
|
taos> select MAX(id) from ts_4893.meters interval(60d)
|
|
max(id) |
|
|
==============
|
|
1110 |
|
|
2838 |
|
|
4566 |
|
|
6294 |
|
|
8022 |
|
|
9750 |
|
|
9999 |
|
|
3206 |
|
|
4934 |
|
|
6662 |
|
|
8390 |
|
|
9999 |
|
|
1846 |
|
|
3574 |
|
|
5302 |
|
|
7030 |
|
|
8758 |
|
|
9999 |
|
|
2214 |
|
|
3942 |
|
|
5670 |
|
|
7398 |
|
|
9126 |
|
|
9999 |
|
|
2582 |
|
|
4310 |
|
|
6038 |
|
|
7766 |
|
|
9494 |
|
|
9999 |
|
|
2950 |
|
|
4678 |
|
|
6406 |
|
|
8134 |
|
|
9862 |
|
|
9999 |
|
|
3318 |
|
|
5046 |
|
|
6774 |
|
|
8502 |
|
|
9999 |
|
|
1958 |
|
|
3686 |
|
|
5414 |
|
|
7142 |
|
|
8870 |
|
|
9999 |
|
|
2326 |
|
|
4054 |
|
|
5782 |
|
|
7510 |
|
|
9238 |
|
|
9999 |
|
|
2694 |
|
|
4422 |
|
|
6150 |
|
|
7878 |
|
|
9606 |
|
|
9999 |
|
|
|
|
taos> select MAX(current) from ts_4893.meters interval(60d)
|
|
max(current) |
|
|
=======================
|
|
11.999 |
|
|
11.997 |
|
|
11.997 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.998 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.997 |
|
|
11.999 |
|
|
11.999 |
|
|
11.999 |
|
|
11.986 |
|
|
|
|
taos> select MAX(voltage) from ts_4893.meters interval(60d)
|
|
max(voltage) |
|
|
===============
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
224 |
|
|
|
|
taos> select MAX(name) from ts_4893.meters interval(60d)
|
|
max(name) |
|
|
=================================
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
x |
|
|
|
|
taos> select MAX(nch1) from ts_4893.meters interval(60d)
|
|
max(nch1) |
|
|
=================================
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
|
|
taos> select MAX(nch2) from ts_4893.meters interval(60d)
|
|
max(nch2) |
|
|
=================================
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
|
|
taos> select MAX(var1) from ts_4893.meters interval(60d)
|
|
max(var1) |
|
|
=================================
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
一二三四五六七八九十 |
|
|
|
|
taos> select MAX(var2) from ts_4893.meters interval(60d)
|
|
max(var2) |
|
|
=================================
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
四 |
|
|
|
|
taos> select max(null) from ts_4893.meters
|
|
max(null) |
|
|
========================
|
|
NULL |
|
|
|
|
taos> select max(id) from ts_4893.meters
|
|
max(id) |
|
|
==============
|
|
9999 |
|
|
|
|
taos> select max(id) from ts_4893.meters where id > 0
|
|
max(id) |
|
|
==============
|
|
9999 |
|
|
|
|
taos> select max(id) from ts_4893.meters where id <= 0
|
|
max(id) |
|
|
==============
|
|
0 |
|
|
|
|
taos> select max(phase) from ts_4893.meters where ts between '2023-01-01 00:00:00' and '2023-12-31 23:59:59'
|
|
max(phase) |
|
|
=======================
|
|
0.999966 |
|
|
|
|
taos> select max(voltage) from ts_4893.meters where voltage is not null
|
|
max(voltage) |
|
|
===============
|
|
224 |
|
|
|
|
taos> select max(total_voltage) from (select sum(voltage) as total_voltage from ts_4893.meters group by location)
|
|
max(total_voltage) |
|
|
========================
|
|
21948660 |
|
|
|
|
taos> select round(max(current), 2) from ts_4893.meters
|
|
round(max(current), 2) |
|
|
=========================
|
|
1.2000000e+01 |
|
|
|
|
taos> select pow(max(current), 2) from ts_4893.meters
|
|
pow(max(current), 2) |
|
|
============================
|
|
143.975991296219 |
|
|
|
|
taos> select log(max(voltage) + 1) from ts_4893.meters
|
|
log(max(voltage) + 1) |
|
|
============================
|
|
5.41610040220442 |
|
|
|
|
taos> select groupid, max(voltage) from ts_4893.meters group by groupid order by groupid
|
|
groupid | max(voltage) |
|
|
=========================
|
|
1 | 224 |
|
|
|
|
taos> select location, max(id) from ts_4893.meters group by location order by location
|
|
location | max(id) |
|
|
===================================
|
|
beijing | 9999 |
|
|
|
|
taos> select location, max(current) from ts_4893.meters group by location order by location
|
|
location | max(current) |
|
|
============================================
|
|
beijing | 11.999 |
|
|
|
|
taos> select max(1)
|
|
max(1) |
|
|
========================
|
|
1 |
|
|
|
|
taos> select max(cast(1 as tinyint))
|
|
max(cast(1 as tinyint)) |
|
|
==========================
|
|
1 |
|
|
|
|
taos> select max(cast(100 as smallint))
|
|
max(cast(100 as smallint)) |
|
|
=============================
|
|
100 |
|
|
|
|
taos> select max(cast(100000 as int))
|
|
max(cast(100000 as int)) |
|
|
===========================
|
|
100000 |
|
|
|
|
taos> select max(cast(10000000000 as bigint))
|
|
max(cast(10000000000 as bigint)) |
|
|
===================================
|
|
10000000000 |
|
|
|
|
taos> select max(cast(1 as tinyint unsigned))
|
|
max(cast(1 as tinyint unsigned)) |
|
|
===================================
|
|
1 |
|
|
|
|
taos> select max(cast(100 as smallint unsigned))
|
|
max(cast(100 as smallint unsigned)) |
|
|
======================================
|
|
100 |
|
|
|
|
taos> select max(cast(100000 as int unsigned))
|
|
max(cast(100000 as int unsigned)) |
|
|
====================================
|
|
100000 |
|
|
|
|
taos> select max(cast(10000000000 as bigint unsigned))
|
|
max(cast(10000000000 as bigint unsigned)) |
|
|
============================================
|
|
10000000000 |
|
|
|
|
taos> select max(cast(1.1 as float))
|
|
max(cast(1.1 as float)) |
|
|
==========================
|
|
1.1000000e+00 |
|
|
|
|
taos> select max(cast(1.1 as double))
|
|
max(cast(1.1 as double)) |
|
|
============================
|
|
1.1 |
|
|
|