wgtmac commented on code in PR #194:
URL: https://github.com/apache/parquet-format/pull/194#discussion_r1134163134
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src/main/thrift/parquet.thrift:
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@@ -753,6 +753,9 @@ struct ColumnMetaData {
/** Byte offset from beginning of file to Bloom filter data. **/
14: optional i64 bloom_filter_offset;
+
+ /** Size of Bloom filter data, in bytes. **/
+ 15: optional i32 bloom_filter_length;
Review Comment:
On the writer side:
- Old writer only writes offset.
- New writer should write length as well.
On the reader side:
- Old reader only checks offset.
- New reader checks offset and then checks if length exists.
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