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Create values from Excel Column headings
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5 years 5 months ago - 5 years 5 months ago #17779
by bruce.gibbins
Create values from Excel Column headings was created by bruce.gibbins
Hi,
I am seeking advice on the following transformation. In short we need the column headings to become part of the row data so that we can eventually push to a database table and have the column headings "FXA" and "FXB" in this case be a code that can be associated with the row data.
Sample Source Excel Layout
The end result will need to look like
Thanks
I am seeking advice on the following transformation. In short we need the column headings to become part of the row data so that we can eventually push to a database table and have the column headings "FXA" and "FXB" in this case be a code that can be associated with the row data.
Sample Source Excel Layout
Code:
Snapshot FXA FXB
17/04/2018 20:00 10 11
18/04/2018 20:00 14 15
The end result will need to look like
Code:
SnapShot Code Value
17/04/2018 20:00 FXA 10
17/04/2018 20:00 FXB 11
18/04/2018 20:00 FXA 14
18/04/2018 20:00 FXB 15
Thanks
Last edit: 5 years 5 months ago by bruce.gibbins.
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5 years 5 months ago #17780
by admin
Mike
ETL Architect
Replied by admin on topic Create values from Excel Column headings
please see attached a working example
It is using UnPivot transformation
www.etl-tools.com/wiki/aetle/processing_...working_with_unpivot
It is using UnPivot transformation
www.etl-tools.com/wiki/aetle/processing_...working_with_unpivot
Mike
ETL Architect
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5 years 5 months ago #17781
by admin
Mike
ETL Architect
Replied by admin on topic Create values from Excel Column headings
Mike
ETL Architect
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5 years 5 months ago #17782
by bruce.gibbins
Replied by bruce.gibbins on topic Create values from Excel Column headings
Thanks Mike. I have seen this example and did use it to get a result. But to be honest I am not exactly sure how and that stems from a lack of understanding of what the unpivot setup screens are asking for and how it is pieced together. There needs to be more words around the screen shots explaining what is needed and the various options that are available.
Also, in our case the GROUPS or the column headings could change without us knowing and thus break the transformation with hardcoded group names. We need this to be dynamic
Also, in our case the GROUPS or the column headings could change without us knowing and thus break the transformation with hardcoded group names. We need this to be dynamic
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5 years 5 months ago #17783
by bruce.gibbins
Replied by bruce.gibbins on topic Create values from Excel Column headings
Thanks. These are actually screen shots I sent to a coworker of my working sample. But I was unable to explain to her in any detail what is actually happening and why it worked. Plus as mentioned our column headings will probably get changed by the owner of the source spreadsheet and we don't want to keep changing the transformation.
Is there a way to dynamically create the pivot groups? in our case and these screenshots FXA and FXB
Is there a way to dynamically create the pivot groups? in our case and these screenshots FXA and FXB
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5 years 5 months ago - 5 years 5 months ago #17784
by admin
Mike
ETL Architect
Replied by admin on topic Create values from Excel Column headings
Hi Bruce
Totally agree with you the documentation has plenty of room for improvement.
(We are not the only ones in this club)
Yes, It is possible to work with files with dynamic fields positions using Field Value transformation function
www.etl-tools.com/wiki/aetle/transformat...ions/miscellaneous?s []=field&s[]=value
I have attached another example for you
In my opinion, constantly shifting fields is a data quality issue and should be addressed at the source.
Totally agree with you the documentation has plenty of room for improvement.
(We are not the only ones in this club)
Yes, It is possible to work with files with dynamic fields positions using Field Value transformation function
www.etl-tools.com/wiki/aetle/transformat...ions/miscellaneous?s []=field&s[]=value
I have attached another example for you
In my opinion, constantly shifting fields is a data quality issue and should be addressed at the source.
Mike
ETL Architect
Last edit: 5 years 5 months ago by admin.
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