devanbenz commented on code in PR #10153:
URL: https://github.com/apache/arrow-rs/pull/10153#discussion_r3425014681
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parquet/src/basic.rs:
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@@ -449,6 +449,12 @@ enum Encoding {
/// afterwards. Note that the use of this encoding with
FIXED_LEN_BYTE_ARRAY(N) data may
/// perform poorly for large values of N.
BYTE_STREAM_SPLIT = 9;
+ /// Compressed string encoding using a Fast Static Symbol Table (FSST).
+ ///
+ /// Frequently occurring substrings (up to 8 bytes) are replaced with
+ /// single-byte codes drawn from a per-page symbol table, enabling random
+ /// access to individual compressed values. Applies to BYTE_ARRAY data.
+ FSST = 10;
Review Comment:
This will probably need to be `FSST = 11` once ALP lands.
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