aokolnychyi commented on a change in pull request #3069:
URL: https://github.com/apache/iceberg/pull/3069#discussion_r706540247
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File path: core/src/main/java/org/apache/iceberg/BaseOverwriteFiles.java
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@@ -129,6 +119,7 @@ protected void validate(TableMetadata base) {
if (conflictDetectionFilter != null && base.currentSnapshot() != null) {
validateAddedDataFiles(base, startingSnapshotId,
conflictDetectionFilter, caseSensitive);
+ validateAddedDeleteFiles(base, startingSnapshotId,
conflictDetectionFilter, caseSensitive);
Review comment:
Consider we have a data file A and have a copy-on-write operation that
overwrites it with a data file B. If a concurrent operation adds a delete file
that references records from the data file A, committing the original
copy-on-write operation (i.e. overwrite) would undelete the rows that were
deleted concurrently.
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