zjpzlz opened a new pull request #10537:
URL: https://github.com/apache/arrow/pull/10537
In some contexts it is useful to be able to retrieve encoding information
separately instead of decoding. This introduces new apis in RowGroupReader,
ColumnReader, TypedColumnReader, and DictDecoder to support reading batches of
dictionary indices. Given that a column chunk only has one dictionary page, the
dictionary is read along with the 1st batch.
@emkornfield Could you please review this pr?
Thanks.
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