pvary commented on code in PR #8803:
URL: https://github.com/apache/iceberg/pull/8803#discussion_r1365195690
##########
api/src/main/java/org/apache/iceberg/ContentFile.java:
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@@ -177,4 +191,26 @@ default Long fileSequenceNumber() {
default F copy(boolean withStats) {
return withStats ? copy() : copyWithoutStats();
}
+
+ /**
+ * Copies this file (potentially with or without specific column stats).
Manifest readers can
+ * reuse file instances; use this method to copy data when collecting files
from tasks.
+ *
+ * @param withStats Will copy this file without file stats if set to
<code>false</code>.
+ * @param statsToKeep Will keep stats only for these columns. Not used if
<code>withStats</code>
+ * is set to <code>false</code>.
+ * @return a copy of this data file. If "withStats" is set to
<code>false</code> the file will not
+ * contain lower bounds, upper bounds, value counts, null value counts,
or nan value counts.
+ * If "withStats" is set to <code>true</code> and the "statsToKeep" is
not empty then only
+ * specific column stats will be kept.
+ */
+ default F copy(boolean withStats, Collection<Integer> statsToKeep) {
Review Comment:
Done
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