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- #arg
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- $(d)dql...
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- ${macroExp}
- =expression
- >statement
- [a:b]
- @
- @x:…
- ~( i )
- A()
- A.( x,... )
- [a1,...an]
- abs()
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- age()
- align()
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- alter()
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- cuboid()
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- date()
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- dynadb.close()
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- E()
- E()
- elapse()
- elasticnet()
- end s
- enum()
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- es_close()
- es_delete()
- es_export()
- es_head()
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- exec()
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- exists()
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- exportavro()
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- for
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- gcs_bucket()
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- goto C
- group()
- groupc()
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- groups()
- groupx()
- hash()
- hbase_close()
- hbase_cmp()
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- md5()
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- memory()
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- millisecond()
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- minp()
- minute()
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- mode()
- modify()
- mongo_close()
- mongo_open()
- mongo_shell()
- month()
- movefile()
- movmthd()
- mul()
- mse()
- mstd()
- msum()
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- n.f(x)
- name()
- new()
- news()
- next{a}
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- 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()
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- polyfit()
- pos()
- power()
- prior()
- proc()
- product()
- proportion()
- property()
- pseg()
- pselect()
- pseudo()
- psort()
- ptop()
- push()
- Qconnect()
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- Qenv()
- Qfile()
- Qload()
- Qlock()
- Qmove()
- query()
- r.(x,...)
- r.F
- r.F=x
- r2dbc_close()
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- r2dbc_query()
- rand()
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- range()
- rank()
- ranki()
- rankm()
- ranks()
- read()
- record()
- redis_close()
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- regex()
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- remainder()
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- report_open()
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- result
- return xi
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- run()
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- 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()
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- shift()
- sign()
- sin()
- sinh()
- size()
- skew()
- skip()
- sleep()
- smooth()
- sort()
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- spark_open()
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- spark_cursor()
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- spark_read()
- spearman()
- splinemthd()
- split()
- splserver()
- sqlparse()
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- substr()
- stax_close()
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- stax_cursor()
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- 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()
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- web_crawl()
- webhdfs()
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- words()
- workday()
- workdays()
- write()
- ws_call()
- ws_client()
- xjoin()
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- xlscell()
- xlsclose()
- xlsexport()
- xlsimport()
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- xml()
- xor()
- xunion()
- year()
- ym2_close()
- ym2_env()
- ym2_mcfload()
- ym2_model()
- ym2_pcfload()
- ym2_pcfsave()
- ym2_predict()
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- zeros()
- zip()
- zip_add()
- zip_close()
- zip_compress()
- zip_del()
- zip_encrypt()
- zip_extract()
- zip_open()
- Intersection of sequences
- Comparison operation
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- Arithmetic operations
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- Chart Elements
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:
|
