simonaubertbd commented on issue #447:
URL: https://github.com/apache/parquet-format/issues/447#issuecomment-2380620886
@gaborcsardi Because it means asking the user of ETL a key name and the user
of the dataviz the key name. This means another place (a file, a mail, an
issue...) where the users have to share the information "hey guys, I put the
field description in the key label". But since in most ETL or dataviz tool, you
don't have the ability to retrieve metadata by key, users of each tools have
to ask the tool editor a way to retrieve a value by key description. The whole
process isn't user friendly.
Since it's a very common metadata and a lot of file format already have it,
I think this is way better to have it in the file format specification. As of
today, this is probably my main pain point with Parquet.
Best regards,
Simon
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