manuzhang commented on code in PR #17018:
URL: https://github.com/apache/iceberg/pull/17018#discussion_r3502988689
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flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/maintenance/operator/EqualityConvertReader.java:
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@@ -194,17 +193,20 @@ private void processDeleteFile(
ContentFile<?> file = task.file();
int specId = file.specId();
+ // An unpartitioned equality delete applies globally; a partitioned one
applies only within its
+ // own spec. Scope accordingly, so the index resolves correctly across
specs.
+ int deleteSpecId =
+ table.specs().get(specId).isUnpartitioned() ?
IndexCommand.GLOBAL_DELETE_SPEC_ID : specId;
Review Comment:
In a long-running converter, a partition spec added after reader startup may
not be in that stale table, even though the planner already serialized the
correct PartitionSpec in EqualityDeleteFileScanTask. Use
`task.spec().isUnpartitioned()` here to avoid failing or mis-scoping deletes
after partition evolution.
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