[ARROW-17274] [Go] Remove panic from parquet.file.RowGroupReader.Column(index int)

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 9.0.0
• Fix Version/s: 10.0.0
• Component/s: Go
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/32554
• Assignee: George Godik
• Reporter: George Godik
• Created: 01/Aug/22 19:05
• Updated: 11/Jan/23 11:49
• Resolved: 01/Aug/22 20:42

Description

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

Issue Links

• links to: GitHub Pull Request #13767