lilei1128 opened a new pull request, #9594:
URL: https://github.com/apache/paimon/pull/9594
### Purpose
Support Parquet predicate pushdown for Paimon's `StartsWith` predicates.
A prefix predicate is converted into a Parquet binary range:
`[prefix, nextPrefix)`
### Tests
- Verify StartsWith is converted to a Parquet FilterPredicate.
- Verify the generated lower and upper binary bounds.
- Verify EndsWith remains unsupported and returns FilterCompat.NOOP.
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