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Question

Returning duplicates

  • April 18, 2013
  • 4 replies
  • 90 views

ebygomm
Evangelist
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Any simple ways of using FME to return all duplicates? The duplicate remover passes the 1st instance of a duplicate to the unique port but I would like a list of all records where the attribute isn't unique in the table.
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4 replies

david_r
Celebrity
  • April 18, 2013
Hi,

 

 

have you looked at the Duplicates output port of the DuplicateRemover?

 

 

From the help: "The first feature with a unique key value is output via the UNIQUE port – and subsequent features that have the same key value are output via the DUPLICATE port."

 

 

It should give you all the duplicate features. Or am I missing something here?

 

 

David

ebygomm
Evangelist
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  • Author
  • Evangelist
  • April 18, 2013
You're missing something :-)

 

 

If for example you have 3 features with a value of  ABC

 

 

The first feature to pass through the duplicate remover is output via the unique port and the second and third features are output via the duplicate port. I want to be able to see all 3 features with the value ABC, not just the 2 output as duplicates.

takashi
Celebrity
  • April 18, 2013
Hi,

 

 

Matcher transformer might help you.

 

 

Takashi

ebygomm
Evangelist
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  • Author
  • Evangelist
  • April 18, 2013
Matcher transformer does the job nicely, thanks.

 

 

Never appreciated that you could use the matcher to match within a table, I always thought it was just for matching two separate inputs.