pvary commented on code in PR #8803:
URL: https://github.com/apache/iceberg/pull/8803#discussion_r1392385312
##########
core/src/main/java/org/apache/iceberg/GenericDataFile.java:
##########
@@ -66,23 +67,31 @@ class GenericDataFile extends BaseFile<DataFile> implements
DataFile {
* Copy constructor.
*
* @param toCopy a generic data file to copy.
- * @param fullCopy whether to copy all fields or to drop column-level stats
+ * @param copyStats whether to copy all fields or to drop column-level stats.
+ * @param requestedColumnIds column ids for which to keep stats. If
<code>null</code> then every
+ * column stat is kept.
*/
- private GenericDataFile(GenericDataFile toCopy, boolean fullCopy) {
- super(toCopy, fullCopy);
+ private GenericDataFile(
+ GenericDataFile toCopy, boolean copyStats, Set<Integer>
requestedColumnIds) {
+ super(toCopy, copyStats, requestedColumnIds);
}
/** Constructor for Java serialization. */
GenericDataFile() {}
@Override
public DataFile copyWithoutStats() {
- return new GenericDataFile(this, false /* drop stats */);
+ return new GenericDataFile(this, false /* drop stats */, null);
+ }
+
+ @Override
+ public DataFile copyWithStats(Set<Integer> requestedColumnIds) {
+ return new GenericDataFile(this, true, requestedColumnIds);
}
@Override
public DataFile copy() {
- return new GenericDataFile(this, true /* full copy */);
+ return new GenericDataFile(this, true /* full copy */, null);
Review Comment:
I think this usage is straightforward, and adding a new constructor would
not help too much.
So I did not apply this change
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