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- [a1,...an]
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- E()
- E()
- elapse()
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- end s
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- es_close()
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- goto C
- group()
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- groupx()
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- mongo_open()
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- month()
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- name()
- new()
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- norm()
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- not()
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- nvl()
- o()
- olap_close()
- olap_open()
- olap_query()
- ones()
- open()
- or()
- oss_bucket()
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- oss_copy()
- oss_file()
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- output()
- p()
- pad()
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- pchipmthd()
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- periods()
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- pi()
- pivot()
- pjoin()
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- polyfit()
- pos()
- power()
- prior()
- proc()
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- pseudo()
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- push()
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- r.(x,...)
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- rank()
- ranki()
- rankm()
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- sap_client()
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- sap_cursor()
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- sap_getparam()
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- second()
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- spearman()
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- sqlparse()
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- sqrt()
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- string()
- structure
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- 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()
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- v()
- var()
- var(V)
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- was_bucket()
- was_close()
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- was_file()
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- web_crawl()
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- words()
- workday()
- workdays()
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- xlsexport()
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- year()
- ym2_close()
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- ym2_model()
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- zeros()
- zip()
- zip_add()
- zip_close()
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- zip_del()
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- 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:
|
