JingsongLi opened a new pull request, #9607:
URL: https://github.com/apache/paimon/pull/9607
## Purpose
Add an experimental RESTCatalog API for atomically publishing APPEND and
OVERWRITE snapshots across multiple Paimon tables.
## Implementation
- split FileStoreCommitImpl into prepare, publish, and completion phases
- add the /v1/{prefix}/transactions/commit REST request and client API
- validate transaction data files through TableCommitImpl
- exclude COMPACT from the transaction and commit it best-effort afterwards
- run normal table maintenance after successful publication
- keep prepared metadata as orphan files on failed transactions
- disable automatic HTTP replay for an ambiguous transaction response
- translate REST transaction errors to catalog exceptions
## Tests
- mvn -pl paimon-core -am -Pfast-build -DfailIfNoTests=false
-DwildcardSuites=none -Dtest=MockRESTCatalogTest transaction methods test
- mvn -pl paimon-api -Pfast-build -DwildcardSuites=none
-Dtest=HttpClientRetrySafetyTest test
- mvn -pl paimon-api -Pfast-build -DwildcardSuites=none
-Dtest=RequestJacksonCompatibilityTest test
- mvn -pl paimon-core -am -Pfast-build -DfailIfNoTests=false
-DwildcardSuites=none -Dtest=FileStoreCommitTest test
- mvn -pl paimon-core -am -DskipTests compile
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