[PR] [vortex] Do not push nanosecond timestamp literals that overflow int64 [paimon]

["jackylee-ch (via GitHub)" <gi...@apache.org>]

jackylee-ch opened a new pull request, #9810:
URL: https://github.com/apache/paimon/pull/9810

   ### Purpose
   
   For `TIMESTAMP(7..9)`, `toTimestampLiteral` computes `ts.getMillisecond() * 1_000_000 + ts.getNanoOfMillisecond()`. A `TIMESTAMP` reaches year 9999, so a literal outside roughly `[1677-09-21, 2262-04-11]` overflows int64: `9999-12-31 00:00:00`, a common open upper bound, becomes `-4852202631933722624` ns — year 1816.
   
   A wrapped bound turns `>`/`>=` into a superset the post-scan filter repairs, so only `<`, `<=` and `=` silently lose rows — hence unnoticed.
   
   #9675 added the grain checks just above; this extends the same refuse-to-push contract to representability, returning `null` so the caller drops the leaf.
   
   ### Tests
   
   `VortexPredicateConverterTest#testTimestampNanosOverflowingLiteralNotPushed`. Reverting the fix:
   
   ```
   expected: <null> but was: <de...@69c93ca4>
   ```
   
   Written with Claude Code; verification is mine.
   


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Re: [PR] [vortex] Do not push nanosecond timestamp literals that overflow int64 [paimon]

["JingsongLi (via GitHub)" <gi...@apache.org>]

JingsongLi merged PR #9810:
URL: https://github.com/apache/paimon/pull/9810


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