fenfeng9 commented on code in PR #49334:
URL: https://github.com/apache/arrow/pull/49334#discussion_r2965654993
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cpp/src/parquet/bloom_filter_reader.cc:
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@@ -76,10 +83,39 @@ std::unique_ptr<BloomFilter>
RowGroupBloomFilterReaderImpl::GetColumnBloomFilter
"bloom filter length + bloom filter offset greater than file size");
}
}
- auto stream = ::arrow::io::RandomAccessFile::GetStream(
- input_, *bloom_filter_offset, file_size - *bloom_filter_offset);
+ std::unique_ptr<ColumnCryptoMetaData> crypto_metadata =
col_chunk->crypto_metadata();
+ std::unique_ptr<Decryptor> header_decryptor =
+
InternalFileDecryptor::GetColumnMetaDecryptorFactory(file_decryptor_.get(),
+
crypto_metadata.get())();
+ std::unique_ptr<Decryptor> bitset_decryptor =
+
InternalFileDecryptor::GetColumnDataDecryptorFactory(file_decryptor_.get(),
Review Comment:
> Why keeping two decryptors while they are the same? This looks odd and may
mislead readers that they are different.
Sorry for the accidental review re-request.
You are right that this is unnecessary here. I’ll simplify it.
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