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简单 SQL
Function

#@

#c

$( d)dql...

$(db)sql;…

${macroExp}

=expression

>statement

[a:b]

@

@x:…

A()

A. (x,…)

[a1,…,an]

abs()

acos()

acosh ()

age()

align()

ali_ open ()

ali_close()

ali_query()

alter()

and ()

append()

argpost

arguments (spl)

array()

asc ()

asin()

asinh()

atan()

atanh()

attach()

avg()

base64 ()

between()

bi()

bits()

bit1(x)

bit1(x,y)

blob ()

bool ()

break {a}

C

Cr()

calc()

call()

call path/spl( … )

calls path/spl( … )

callx()

cand()

canvas()

case()

ceil()

cellname()

cgroups()

ch. ()

channel()

char()

chardetect()

charencode()

chi_p ()

chi2inv()

chn()

clear()

clipboard ()

close()

cmp()

cor ()

comabs ()

comangle ()

combin()

comconj ()

comexp ()

comimage()

commit()

compair ()

complex()

comreal ()

comsign ()

comstr ()

comunwrap ()

concat()

conj()

connect()

contain()

corskew()

cos()

cosh()

count ()

cov()

covm()

create()

cs.(x)

cuboid()

cum()

cumulate()

cursor()

date()

datederive()

dateinterval()

datetime()

day()

days()

decimal()

delete()

deq()

derive()

det()

diff( )

digits()

directory()

dis()

dism()

dql()

dup()

dynadb.close()

dynadb.execute ()

dyna_open()

dynadb.query()

dynadb.table ()

E()

E()

elapse()

elasticnet()

end s

enum()

env()

eq()

error()

eval()

es_close ()

es_delete ()

es_export ()

es_head ()

es_open ()

es_get ()

es_post ()

es_put ()

exec()

execute()

exists()

exp()

export()

exportavro ()

eye()

f@o(…)

Faccrint()

Faccrintm()

fact()

false

Fcoupcd()

Fcoups()

Fdb()

Fddb()

Fdisc()

Fduration()

fetch()

field()

file()

filename ()

fill()

fillcons ()

fillfun ()

fillmthd()

find()

Fintrate()

finv()

Firr()

fisher_p()

fjoin()

float()

floor()

Fmirr()

fname()

fno()

Fnper ()

Fnpv()

for

fork

format()

Fpmt()

Fprice()

Frate()

Freceived()

freq ()

Fsln()

Fsyd()

ftp_cd()

ftp_open()

ftp_close()

ftp_dir()

ftp_get()

ftp_mget()

ftp_mput()

ftp_put()

func()

Fv()

Fvdb()

Fyield()

get()

gcd()

gcs_ bucket ()

gcs_ close ()

gcs_ copy ()

gcs_ file ()

gcs_ list ()

gcs_ open ()

goto C

group()

groupi()

groupn()

groups()

groupx()

hash ()

hbase_close()

hbase_cmp()

hbase_filter()

hbase_filterlist()

hbase_get()

hbase_open()

hbase_rest()

hbase_scan()

hdfs_open()

hdfs_close()

hdfs_dir()

hdfs_download()

hdfs_exists()

hdfs_file()

hdfs_upload()

hdfs_write ()

hive_open ()

hive_close()

hive_cursor()

hive_execute ()

hive_query()

hosts()

hour()

htmlparse ()

httpfile()

httpupload()

I ()

i()

icursor()

icount ()

id()

if

if()

ifa()

ifdate()

ifind()

ifn()

ifnumber()

ifpure()

ifr()

ifstring()

ift()

iftime()

ifv()

ifx_close()

ifx_conn()

ifx_cursor()

ifx_listfrag()

ifx_savefrag()

ifx_setfrag()

ifx_takefrag()

import()

importavro ()

impute()

index()

inf()

influx_close ()

influx_insert ()

influx_open ()

influx_query ()

influx2_close()

influx2_delete()

influx2_open()

influx2_query()

influx2_rest()

insert()

int()

interval()

inv()

inverse()

invoke()

isalpha ()

isdigit()

isect()

iselect()

islower()

ismiss ()

ismissm ()

isolate()

isupper()

iterate()

j()

join()

joinx()

json()

jvm()

k()

kafka_close()

kafka_commit()

kafka_offset ()

kafka_open()

kafka_poll()

kafka_send ()

key()

keys()

kmeans()

lasso ()

lcm ()

left()

len()

lg()

like()

linefit()

lineplan ()

ln()

load()

lock()

long()

lower()

m()

mae()

makimamthd()

max()

maxp()

mcumsum()

mcursor()

md5()

median()

memory()

merge()

mergex()

mfind()

mi()

mid()

millisecond()

min()

minp()

minute()

mmean()

mnorm()

mode()

modify()

mongo_close()

mongo_open ()

mongo_shell()

month()

movefile()

movmthd ()

mul()

mse()

mstd()

msum()

mvp()

n.f(x)

name()

new()

news()

next {a}

nodes()

norm()

norminv()

not ()

now()

ntile()

null

number()

numnorm()

nvl()

o()

olap_close()

olap_open ()

olap_query ()

ones()

open()

or()

oss_ bucket ()

oss_ close ()

oss_ copy ()

oss_ file ()

oss_ list ()

oss_ open ()

output()

p()

pad()

parse()

paste ()

pca ()

pchipmthd ()

pdate()

pearson ()

penum()

periods()

permut()

pfind()

pi()

pivot()

pjoin()

pls()

pmax()

pmin()

polyfit()

pos()

power()

prior()

proc()

product()

proportion()

property()

pseg()

pselect()

pseudo()

psort()

ptop()

push()

Qconnect()

Qdirectory ()

Qenv()

Qfile()

Qload()

Qlock()

Qmove()

query()

r(T,F)

r.(x,…)

r.F

r.F=x

r2dbc_close()

r2dbc_exec()

r2dbc_open()

r2dbc_query()

rand ()

rands()

range()

rank()

ranki()

rankm ()

ranks()

read()

record()

redis_close ()

redis_command()

redis_open ()

regex()

register()

remainder()

rename()

replace ()

report_config()

report_export ()

report_open()

report_run()

reportlite_config ()

reportlite_export ()

reportlite_open()

reportlite_run()

reset()

result

return xi

rgb()

ridge()

right()

rmmiss ()

rmmissdim ()

rollback()

round()

row()

run()

rvs()

s3_ bucket ()

s3_ close ()

s3_ copy ()

s3_ file ()

s3_ list ()

s3_ open ()

sap_client()

sap_close()

sap_cursor()

sap_execute()

sap_getparam()

sap_table()

savepoint()

sbs()

se()

second()

segp()

select()

seq()

sert()

setenum()

sf_close()

sf_open ()

sf_query ()

sf_wsdlclose ()

sf_wsdlopen ()

sf_wsdlquery ()

sf_wsdlview ()

sg ()

shift()

sign()

sin()

sinh()

size()

skew ()

skip()

sleep()

smooth()

sort()

sortx()

spark_ open()

spark_close()

spark_cursor()

spark_query()

spark_read()

spearman ()

splinemthd ()

split()

splserver()

sqlparse()

sqltranslate ()

substr ()

stax_close()

stax_open()

stax_cursor()

stax_query()

sqrt()

step()

string()

structure

sum()

svm()

swap()

switch()

syncfile(hs,p)

system()

T()

tarcorskew()

tan()

tanh()

time()

tinv()

to()

top()

total()

transpose()

trim()

true

try

ttest_p ()

typeof(x)

union( )

update()

upper ()

urlencode()

uuid()

v()

var()

was_ bucket ()

was_ close ()

was_ copy ()

was_ file ()

was_ list ()

was_ open ()

web_crawl()

webhdfs()

webhdfs_file()

words()

workday()

workdays()

write()

ws_call()

ws_client()

xjoin()

xjoinx()

xlscell()

xlsclose()

xlsexport ()

xlsimport ()

xlsmove()

xlsopen()

xlswrite()

xml()

xor()

xunion( )

year()

ym2_close ()

ym2_env ()

ym2_mcfload ()

ym2_model ()

ym2_pcfload ()

ym2_pcfsave ()

ym2_predict()

ym2_result()

zeros()

zip()

zip_add()

zip_close()

zip_compress()

zip_del()

zip_encrypt()

zip_extract()

zip_open()

交列

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G.draw()

G.hlink ()

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前一篇 |

A.len()

阅读（748）点赞（0）标签: 序列, 长度, 整数,

描述：

序列长度。

语法：

A.len()

备注：

取得序列A的长度。

参数：

A

序列对象。

返回值：

整数

示例：

	A
1	=[1,2,4]
2	=A1.len()	3
3	=["a","b"].len()	2
4	=[]
5	=A4.len()	0