George Godik created ARROW-17274:
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             Summary: [GO] Remove panic from 
parquet.file.RowGroupReader.Column(index int)
                 Key: ARROW-17274
                 URL: https://issues.apache.org/jira/browse/ARROW-17274
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Go
    Affects Versions: 9.0.0
            Reporter: George Godik


parquet.file.RowGroupReader.Column(index int) panics if the the provided column 
index is invalid. Return an error as the rest of the functions in the codebase 
return an error as well.  For example GetColumnPageReader returns (PageReader, 
error) 

https://github.com/apache/arrow/blob/master/go/parquet/file/row_group_reader.go#L58



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