Why is DELTA_BINARY_PACKED not supported for writing Parquet since it may be useful for some sorted int column?
Also, I was wondering if the original Parquet implementation(seems like parquet-mr) give each data type a default encoding(or fall back encoding when dictionary is enabled) other than PLAIN? It seems like for Arrow, we have to manually set the best encoding for each column. Would a default non plain encoding be beneficial? Another question is, as from the encoding section, reading is much more supported than writing Parquet, does it mean Arrow is more favored to be used as a read-only query engine rather than writing? e.g it simply uses Parquet files sourced from other applications. Thanks
