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How to get data type of fields/attributes in a shp file

  • October 22, 2020
  • 3 replies
  • 430 views

Looking to drop a shp file into workspace and extract the data type of each field. e.g. Address.shp may have fields StreetName (text) and StreetNumber (int). I would like to be able to extract the type for each field:

StreetName - fme_char(254)

StreetNumber - fme_int32

 

I understand that FME maps the Data Types from different files based on the reader being used to an equivalent FME Data Type https://docs.safe.com/fme/html/FME_Desktop_Documentation/FME_Workbench/!FeatureTypeProperties/attribute_types.htm

Best answer by ebygomm

Another option is to use FeatureReader to read the shapefile and choose to read Schema features only. The schema is returned as a list, so you would need a list exploder to break each list element into multiple features.

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3 replies

oscard
Influencer
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  • oscardInfluencer
  • Influencer
  • October 22, 2020

There is a Reader called Schema. I think it would give you the info you are looking for.

ebygomm
Evangelist
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  • ebygommEvangelist
  • Evangelist
  • Best Answer
  • October 22, 2020

Another option is to use FeatureReader to read the shapefile and choose to read Schema features only. The schema is returned as a list, so you would need a list exploder to break each list element into multiple features.

  • timc
  • Author
  • October 22, 2020

Another option is to use FeatureReader to read the shapefile and choose to read Schema features only. The schema is returned as a list, so you would need a list exploder to break each list element into multiple features.

I think this way works the best for my use, as I can just drop in one shape file and specify a user parameter in the FeatureReader transformer to extract the schema from it.

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