anuragmantri commented on code in PR #16285:
URL: https://github.com/apache/iceberg/pull/16285#discussion_r3439470768
##########
core/src/main/java/org/apache/iceberg/TrackedFileStruct.java:
##########
@@ -160,6 +164,10 @@ private TrackedFileStruct(TrackedFileStruct toCopy,
boolean withStats, Set<Integ
toCopy.equalityIds != null
? Arrays.copyOf(toCopy.equalityIds, toCopy.equalityIds.length)
: null;
+ this.columnFiles =
+ toCopy.columnFiles != null
+ ?
toCopy.columnFiles.stream().map(ColumnFile::copy).collect(Collectors.toList())
Review Comment:
This can NPE in `.map(ColumnFile::copy)`, do we ensure that it's non null?
##########
core/src/main/java/org/apache/iceberg/ColumnFileStruct.java:
##########
@@ -0,0 +1,171 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.iceberg;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.List;
+import org.apache.iceberg.avro.SupportsIndexProjection;
+import org.apache.iceberg.relocated.com.google.common.base.MoreObjects;
+import org.apache.iceberg.relocated.com.google.common.base.Preconditions;
+import org.apache.iceberg.types.Types;
+import org.apache.iceberg.util.ArrayUtil;
+
+/** Mutable {@link StructLike} implementation of {@link ColumnFile}. */
+class ColumnFileStruct extends SupportsIndexProjection implements ColumnFile,
Serializable {
+ private static final Types.StructType BASE_TYPE =
+ Types.StructType.of(ColumnFile.FIELD_IDS, ColumnFile.LOCATION,
ColumnFile.FILE_SIZE_IN_BYTES);
+
+ private int[] fieldIds = null;
+ private String location = null;
+ private long fileSizeInBytes = -1L;
+
+ /** Used by internal readers to instantiate this class with a projection
schema. */
+ ColumnFileStruct(Types.StructType projection) {
+ super(BASE_TYPE, projection);
+ }
+
+ private ColumnFileStruct(int[] fieldIds, String location, long
fileSizeInBytes) {
+ super(BASE_TYPE.fields().size());
+ this.fieldIds = fieldIds;
+ this.location = location;
+ this.fileSizeInBytes = fileSizeInBytes;
+ }
+
+ /** Copy constructor. */
+ private ColumnFileStruct(ColumnFileStruct toCopy) {
+ super(toCopy);
+ this.fieldIds =
+ toCopy.fieldIds != null ? Arrays.copyOf(toCopy.fieldIds,
toCopy.fieldIds.length) : null;
+ this.location = toCopy.location;
+ this.fileSizeInBytes = toCopy.fileSizeInBytes;
+ }
+
+ /** Constructor for Java serialization. */
+ ColumnFileStruct() {
+ super(BASE_TYPE.fields().size());
+ }
+
+ @Override
+ public List<Integer> fieldIds() {
+ return fieldIds != null ? ArrayUtil.toUnmodifiableIntList(fieldIds) : null;
+ }
+
+ @Override
+ public String location() {
+ return location;
+ }
+
+ @Override
+ public long fileSizeInBytes() {
+ return fileSizeInBytes;
+ }
+
+ @Override
+ public ColumnFile copy() {
+ return new ColumnFileStruct(this);
+ }
+
+ @Override
+ protected <T> T internalGet(int pos, Class<T> javaClass) {
+ return javaClass.cast(getByPos(pos));
+ }
+
+ private Object getByPos(int pos) {
+ switch (pos) {
+ case 0:
+ return fieldIds();
+ case 1:
+ return location;
+ case 2:
+ return fileSizeInBytes;
+ default:
+ throw new UnsupportedOperationException("Unknown field ordinal: " +
pos);
+ }
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ protected <T> void internalSet(int pos, T value) {
+ switch (pos) {
+ case 0:
+ this.fieldIds = ArrayUtil.toIntArray((List<Integer>) value);
+ break;
+ case 1:
+ // always coerce to String for Serializable
+ this.location = value.toString();
+ break;
+ case 2:
+ this.fileSizeInBytes = (long) value;
+ break;
+ default:
+ // ignore the object, it must be from a newer version of the format
+ }
+ }
+
+ static Builder builder() {
+ return new Builder();
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("field_ids", fieldIds)
Review Comment:
Nit: Does this print the list object instead of values?
##########
core/src/main/java/org/apache/iceberg/TrackingBuilder.java:
##########
@@ -111,10 +115,27 @@ TrackingBuilder dvUpdated() {
return this;
}
+ /** Indicates that the column files list has been updated for the new
Tracking. */
+ TrackingBuilder columnFilesUpdated() {
+ Preconditions.checkState(
+ deletedPositions == null && replacedPositions == null,
+ "Cannot mark column files updated on a manifest entry
(deleted/replaced positions are set)");
+ this.latestColumnFileSnapshotId = newSnapshotId;
+ if (status == EntryStatus.EXISTING) {
Review Comment:
Should we add preconditions here to check status should never be DELETED or
REPLACED?
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