Column bloom filter: Show bloom filters in tools

apache / parquet-java

Apache Parquet Java

https://parquet.apache.org/

Apache License 2.0

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Open asfimport opened 2 years ago

asfimport commented 2 years ago

command result as follow:

parquet-tools bloom-filter BloomFilter.snappy.parquet row-group 0: bloom filter for column id: NONE

bloom filter for column uuid: Hash strategy: block Algorithm: block Compression: uncompressed Bitset size: 1048576

Reporter: BingKun Pan / @panbingkun

_{Note: This issue was originally created as PARQUET-2156. Please see the migration documentation for further details.}

arthurpassos commented 1 month ago

I am also interested on this

wgtmac commented 1 month ago

@arthurpassos Good to see you again! Looking forward to your PR.

arthurpassos commented 1 month ago

@arthurpassos Good to see you again! Looking forward to your PR.

I still lack knowledge on parquet internals and the ecosystem to implement such features, but hopefully I'll be able to contribute some day

wgtmac commented 1 month ago

NP. Take your time