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Functions
- #arg
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- $(d)dql...
- $(db)sql;…
- ${macroExp}
- =expression
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- [a:b]
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- @x:…
- ~( i )
- A()
- A.( x,... )
- [a1,...an]
- abs()
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- age()
- align()
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- call path/spl(…)
- calls path/spl(…)
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- cuboid()
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- cursor()
- date()
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- dql()
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- dynadb.close()
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- dyna_open()
- dynadb.query()
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- E()
- E()
- elapse()
- elasticnet()
- end s
- enum()
- env()
- eq()
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- es_close()
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- es_head()
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- exec()
- execute()
- exists()
- exp()
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- exportavro()
- eye()
- f@o(…)
- Faccrint()
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- filename()
- fill()
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- Fintrate()
- finv()
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- freq ()
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- func()
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- get()
- gcd()
- gcs_bucket()
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- gcs_copy()
- gcs_file()
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- goto C
- group()
- groupc()
- groupi()
- groupn()
- groups()
- groupx()
- hash()
- hbase_close()
- hbase_cmp()
- hbase_filter()
- hbase_filterlist()
- hbase_get()
- hbase_open()
- hbase_rest()
- hbase_scan()
- hdfs_open()
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- hdfs_dir()
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- hdfs_import()
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- hive_open()
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- hive_cursor()
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- I()
- i()
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- index()
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- ln()
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- m()
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- max()
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- mcumsum()
- md5()
- median()
- memory()
- merge()
- mergex()
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- 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.(x,...)
- r.F
- r.F=x
- r2dbc_close()
- r2dbc_exec()
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- r2dbc_query()
- rand()
- rands()
- range()
- rank()
- ranki()
- rankm()
- ranks()
- read()
- record()
- redis_close()
- redis_command()
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- 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()
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- rmmiss()
- rmmissdim()
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- round()
- rsa()
- 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()
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- spark_read()
- spearman()
- splinemthd()
- split()
- splserver()
- sqlparse()
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- 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()
- var(V)
- var(x)
- 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()
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- xlscell()
- xlsclose()
- xlsexport()
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- xml()
- xor()
- xunion()
- year()
- ym2_close()
- ym2_env()
- ym2_mcfload()
- ym2_model()
- ym2_pcfload()
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- ym2_predict()
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- zeros()
- zip()
- zip_add()
- zip_close()
- zip_compress()
- zip_del()
- zip_encrypt()
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- zip_open()
- Intersection of sequences
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cuboid()
Here’s how to use cuboid() function.
T.cuboid(f,F i ,…;y,…)
Description:
Generate preaggregation file for a composite table/multizone composite table.
Syntax:
T.cuboid(f,Fi,…;y,…)
Note:
The function generates preaggregation file f for composite table/multizone composite table T. The preaggregation file will not update itself accordingly when the composite table is updated.
Parameter:
|
T |
A composite table/multizone composite table |
|
f |
Preaggregation file object |
|
Fi |
Grouping field |
|
y |
Aggregate expression; aggregate functions supported are sum/count/avg/max/min/top |
Return value:
Preaggregation file name
Example:
|
|
A |
|
|
1 |
=file("empcub.ctx") |
|
|
2 |
=A1.create@y(#EID,NAME,GENDER,DEPT,SALARY,BIRTHDAY) |
Create a composite table file. |
|
3 |
=demo.cursor("select EID,NAME,GENDER,DEPT,SALARY,BIRTHDAY from employee ") |
Return a table sequence:
|
|
4 |
=A2.append(A3) |
Append table sequence A3’s data to the composite table. |
|
5 |
=file("cub1") |
Preaggregation file object. |
|
6 |
=A2.cuboid(A5,DEPT,GENDER;avg(age(BIRTHDAY)),count(EID)) |
Generate preaggregation file cub1 for the composite table file, where DEPT and GENDER are grouping fields, and compute average age and find the number of employees in each group. |
|
7 |
=A2.cgroups(DEPT,GENDER;avg(age(BIRTHDAY)):AvgAge,count(EID):IdNum;;A5) |
Use the preaggregation file to perform grouping & aggregation on the composite table and return following result:
|
