pvary commented on code in PR #18338:
URL: https://github.com/apache/iceberg/pull/18338#discussion_r4183542940
##########
core/src/main/java/org/apache/iceberg/ManifestReader.java:
##########
@@ -413,6 +413,16 @@ private static boolean requireStatsProjection(Expression
rowFilter, Collection<S
&& !columns.containsAll(STATS_COLUMNS);
}
+ private F withFilterableStats(F contentFile) {
+ if (contentFile.content() == FileContent.EQUALITY_DELETES
+ && !contentFile.equalityFieldIds().isEmpty()) {
+ // only equality delete's equality-field stats are relevant for pruning
+ return
contentFile.copyWithStats(Set.copyOf(contentFile.equalityFieldIds()));
Review Comment:
I'm not a big fan of copying every equality delete file.
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