[jira] [Created] (PARQUET-2222) [Format] RLE encoding spec incorrect for v2 data pages

["Antoine Pitrou (Jira)" <ji...@apache.org>]

Antoine Pitrou created PARQUET-2222:
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             Summary: [Format] RLE encoding spec incorrect for v2 data pages
                 Key: PARQUET-2222
                 URL: https://issues.apache.org/jira/browse/PARQUET-2222
             Project: Parquet
          Issue Type: Bug
          Components: parquet-format
            Reporter: Antoine Pitrou
             Fix For: format-2.10.0


The spec (https://github.com/apache/parquet-format/blob/master/Encodings.md#run-length-encoding--bit-packing-hybrid-rle--3) has this:
{code}
rle-bit-packed-hybrid: <length> <encoded-data>
length := length of the <encoded-data> in bytes stored as 4 bytes little endian (unsigned int32)
{code}

But the length is actually prepended only in v1 data pages, not in v2 data pages.





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