pvary commented on code in PR #8803:
URL: https://github.com/apache/iceberg/pull/8803#discussion_r1365197840
##########
core/src/main/java/org/apache/iceberg/BaseFile.java:
##########
@@ -186,12 +189,23 @@ public PartitionData copy() {
this.recordCount = toCopy.recordCount;
this.fileSizeInBytes = toCopy.fileSizeInBytes;
if (fullCopy) {
- this.columnSizes = SerializableMap.copyOf(toCopy.columnSizes);
- this.valueCounts = SerializableMap.copyOf(toCopy.valueCounts);
- this.nullValueCounts = SerializableMap.copyOf(toCopy.nullValueCounts);
- this.nanValueCounts = SerializableMap.copyOf(toCopy.nanValueCounts);
- this.lowerBounds =
SerializableByteBufferMap.wrap(SerializableMap.copyOf(toCopy.lowerBounds));
- this.upperBounds =
SerializableByteBufferMap.wrap(SerializableMap.copyOf(toCopy.upperBounds));
+ if (statsToKeep == null || statsToKeep.isEmpty()) {
Review Comment:
I did it this way, to save 5 checks, but the code is much nicer if we hide
the checks in the method, so refactored
##########
core/src/main/java/org/apache/iceberg/TableScanContext.java:
##########
@@ -59,6 +60,11 @@ public boolean returnColumnStats() {
return false;
}
+ @Value.Default
+ public Collection<Integer> returnColumnStatsToInclude() {
Review Comment:
done
##########
core/src/main/java/org/apache/iceberg/TableScanContext.java:
##########
@@ -125,6 +131,16 @@ TableScanContext shouldReturnColumnStats(boolean
returnColumnStats) {
.build();
}
+ TableScanContext shouldReturnSpecificColumnStats(Collection<Integer>
columStatsToInclude) {
Review Comment:
done
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