morningman commented on PR #69571:
URL: https://github.com/apache/doris/pull/69571#issuecomment-6385140803

   Addressed the first review round in `65a1682d334`. Per finding:
   
   - 4366822772 (P2, deletion vectors of data files at external paths): fixed. 
On a table with `index-file-in-data-file-dir = true`, every deletion vector of 
a split with a non-NULL binary partition value must exist, whether or not its 
data file has an external path; a missing one fails planning and names the 
deletion vector file. A BE-side change that makes a missing Paimon deletion 
vector an error instead of a skipped range is tracked separately.
   - 4366822776 (P2, the schema ID does not prove how a file was named): fixed. 
A file whose schema uses legacy names fails planning only if it is also missing 
at its planned path, so a file written with a dynamic `partition.legacy-name = 
false` stays readable once the table uses those names. The inverse, a dynamic 
`true` over a `false` schema, is not covered, as on master and branch-4.2.
   
   Three new tests in `PaimonScanPlanProviderTest`; the 851 tests of 
fe-connector-paimon run without failures (1 skipped, as before). The PR 
description is updated.
   


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