Joris Van den Bossche created ARROW-5915:
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             Summary: [C++] [Python] Set up testing for backwards compatibility 
of the parquet reader
                 Key: ARROW-5915
                 URL: https://issues.apache.org/jira/browse/ARROW-5915
             Project: Apache Arrow
          Issue Type: Test
          Components: C++, Python
            Reporter: Joris Van den Bossche


Given the recent parquet compat problems, we should have better testing for 
this.

For easy testing of backwards compatibility, we could add some files (with 
different types) written with older versions, add them to 
/pyarrow/tests/data/parquet (we already have some files from 0.7 there) and 
ensure they are read correctly with the current version.

Similarly as what Kartothek is doing: 
https://github.com/JDASoftwareGroup/kartothek/tree/master/reference-data/arrow-compat





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