303 lines
7.0 KiB
Plaintext
303 lines
7.0 KiB
Plaintext
|
|
taos> select ASCII('hello')
|
|
ascii('hello') |
|
|
=================
|
|
104 |
|
|
|
|
taos> select ASCII('hello world')
|
|
ascii('hello world') |
|
|
=======================
|
|
104 |
|
|
|
|
taos> select ASCII('hello world!')
|
|
ascii('hello world!') |
|
|
========================
|
|
104 |
|
|
|
|
taos> select ASCII('hello,world.你好，世界。')
|
|
ascii('hello,world.你好，世界。') |
|
|
==========================================
|
|
104 |
|
|
|
|
taos> select ASCII('北京涛思数据科技有限公司')
|
|
ascii('北京涛思数据科技有限公司') |
|
|
================================================
|
|
229 |
|
|
|
|
taos> select ASCII('hello') + 1
|
|
ascii('hello') + 1 |
|
|
============================
|
|
105.000000000000000 |
|
|
|
|
taos> select ASCII('hello') - 1
|
|
ascii('hello') - 1 |
|
|
============================
|
|
103.000000000000000 |
|
|
|
|
taos> select ASCII('hello') from ts_4893.meters limit 5
|
|
ascii('hello') |
|
|
=================
|
|
104 |
|
|
104 |
|
|
104 |
|
|
104 |
|
|
104 |
|
|
|
|
taos> select ASCII('hello') + 1 from ts_4893.meters limit 1
|
|
ascii('hello') + 1 |
|
|
============================
|
|
105.000000000000000 |
|
|
|
|
taos> select ASCII('hello') + ASCII('hello') from ts_4893.meters limit 1
|
|
ascii('hello') + ascii('hello') |
|
|
==================================
|
|
2.080000000000000e+02 |
|
|
|
|
taos> select ASCII(nch1) from ts_4893.meters order by ts limit 5
|
|
ascii(nch1) |
|
|
==============
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
|
|
taos> select ASCII(var1) from ts_4893.meters order by ts limit 5
|
|
ascii(var1) |
|
|
==============
|
|
110 |
|
|
112 |
|
|
110 |
|
|
112 |
|
|
228 |
|
|
|
|
taos> select ASCII(concat(nch1,var1)) from ts_4893.meters order by ts limit 5
|
|
ascii(concat(nch1,var1)) |
|
|
===========================
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
|
|
taos> select ASCII(cast(nch1 as varchar)) from ts_4893.meters order by ts limit 5
|
|
ascii(cast(nch1 as varchar)) |
|
|
===============================
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
|
|
taos> select pow(ASCII(nch1), 2) from ts_4893.meters order by ts limit 5
|
|
pow(ascii(nch1), 2) |
|
|
============================
|
|
12100.000000000000000 |
|
|
51984.000000000000000 |
|
|
13689.000000000000000 |
|
|
12544.000000000000000 |
|
|
12100.000000000000000 |
|
|
|
|
taos> select sqrt(ASCII(nch1)) from ts_4893.meters order by ts limit 5
|
|
sqrt(ascii(nch1)) |
|
|
============================
|
|
10.488088481701515 |
|
|
15.099668870541500 |
|
|
10.816653826391969 |
|
|
10.583005244258363 |
|
|
10.488088481701515 |
|
|
|
|
taos> select cast(ASCII(nch1) as int) from ts_4893.meters order by ts limit 5
|
|
cast(ascii(nch1) as int) |
|
|
===========================
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
|
|
taos> select ascii('taos')
|
|
ascii('taos') |
|
|
================
|
|
116 |
|
|
|
|
taos> select ascii('t')
|
|
ascii('t') |
|
|
=============
|
|
116 |
|
|
|
|
taos> select ascii('\'')
|
|
ascii('\'') |
|
|
==============
|
|
39 |
|
|
|
|
taos> select ascii(name) from ts_4893.d0 order by ts limit 10
|
|
ascii(name) |
|
|
==============
|
|
108 |
|
|
120 |
|
|
108 |
|
|
120 |
|
|
108 |
|
|
116 |
|
|
104 |
|
|
116 |
|
|
116 |
|
|
104 |
|
|
|
|
taos> select ascii(name) from ts_4893.meters order by ts limit 10
|
|
ascii(name) |
|
|
==============
|
|
108 |
|
|
120 |
|
|
108 |
|
|
120 |
|
|
108 |
|
|
116 |
|
|
104 |
|
|
116 |
|
|
116 |
|
|
104 |
|
|
|
|
taos> select ascii(nch1) from ts_4893.d0 order by ts limit 10
|
|
ascii(nch1) |
|
|
==============
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
110 |
|
|
97 |
|
|
228 |
|
|
110 |
|
|
97 |
|
|
|
|
taos> select ascii(nch1) from ts_4893.meters order by ts limit 10
|
|
ascii(nch1) |
|
|
==============
|
|
110 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
110 |
|
|
110 |
|
|
97 |
|
|
228 |
|
|
110 |
|
|
97 |
|
|
|
|
taos> select ascii(var1) from ts_4893.d0 order by ts limit 10
|
|
ascii(var1) |
|
|
==============
|
|
110 |
|
|
112 |
|
|
110 |
|
|
112 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
112 |
|
|
112 |
|
|
112 |
|
|
|
|
taos> select ascii(var1) from ts_4893.meters order by ts limit 10
|
|
ascii(var1) |
|
|
==============
|
|
110 |
|
|
112 |
|
|
110 |
|
|
112 |
|
|
228 |
|
|
117 |
|
|
112 |
|
|
112 |
|
|
112 |
|
|
112 |
|
|
|
|
taos> select ascii(null)
|
|
ascii(null) |
|
|
==============
|
|
NULL |
|
|
|
|
taos> select ascii('0')
|
|
ascii('0') |
|
|
=============
|
|
48 |
|
|
|
|
taos> select ascii(' ')
|
|
ascii(' ') |
|
|
=============
|
|
32 |
|
|
|
|
taos> select ascii('~')
|
|
ascii('~') |
|
|
=============
|
|
126 |
|
|
|
|
taos> select ascii('中')
|
|
ascii('中') |
|
|
===============
|
|
228 |
|
|
|
|
taos> select ascii('é')
|
|
ascii('é') |
|
|
==============
|
|
195 |
|
|
|
|
taos> select ascii('!@#')
|
|
ascii('!@#') |
|
|
===============
|
|
33 |
|
|
|
|
taos> select ascii('Hello')
|
|
ascii('Hello') |
|
|
=================
|
|
72 |
|
|
|
|
taos> select ascii('123abc')
|
|
ascii('123abc') |
|
|
==================
|
|
49 |
|
|
|
|
taos> select ascii(concat('A', 'B'))
|
|
ascii(concat('A', 'B')) |
|
|
==========================
|
|
65 |
|
|
|
|
taos> select ascii(char(65))
|
|
ascii(char(65)) |
|
|
==================
|
|
65 |
|
|
|
|
taos> select ascii(upper('b'))
|
|
ascii(upper('b')) |
|
|
====================
|
|
66 |
|
|
|
|
taos> select ascii(trim(' A '))
|
|
ascii(trim(' A ')) |
|
|
=====================
|
|
65 |
|
|
|
|
taos> select name, ascii(name) from ts_4893.meters limit 1
|
|
name | ascii(name) |
|
|
===============================================
|
|
lili | 108 |
|
|
|
|
taos> select name, ascii(substring(name, 1, 1)) from ts_4893.meters limit 1
|
|
name | ascii(substring(name, 1, 1)) |
|
|
================================================================
|
|
lili | 108 |
|
|
|
|
taos> select nch1, ascii(nch1) from ts_4893.meters limit 1
|
|
nch1 | ascii(nch1) |
|
|
===============================================
|
|
novel | 110 |
|
|
|
|
taos> select var1, ascii(var1) from ts_4893.meters limit 1
|
|
var1 | ascii(var1) |
|
|
===============================================
|
|
novel | 110 |
|
|
|