XiaoHongbo-Hope opened a new pull request, #7997:
URL: https://github.com/apache/paimon/pull/7997
### Purpose
A single plan issues 2 GET /snapshot round-trips to the metastore because
file_scanner.manifest_scanner and GlobalIndexScanner.create independently
fetch latest snapshot.
This PR fixes the issue by fetching snapshot once in file_scanner and
threading it through _eval_global_index -> GlobalIndexScanner.create.
### Backward compatible — no design break
`GlobalIndexScanner.create()` stays self-contained for ad-hoc / standalone
use. The new `snapshot` argument is **optional**.
Tests
`PlanSnapshotFetchRegressionTest.test_plan_fetches_latest_snapshot_only_once`
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