lidavidm commented on code in PR #43888:
URL: https://github.com/apache/arrow/pull/43888#discussion_r1764315027
##########
java/vector/src/main/java/org/apache/arrow/vector/compare/RangeEqualsVisitor.java:
##########
@@ -255,6 +266,46 @@ public Boolean visit(LargeListViewVector left, Range
range) {
return compareLargeListViewVectors(range);
}
+ protected boolean compareRunEndEncodedVectors(Range range) {
+ RunEndEncodedVector leftVector = (RunEndEncodedVector) left;
+ RunEndEncodedVector rightVector = (RunEndEncodedVector) right;
+
+ final int leftRangeEnd = range.getLeftStart() + range.getLength();
+ final int rightRangeEnd = range.getRightStart() + range.getLength();
+
+ FieldVector leftValuesVector = leftVector.getValuesVector();
+ FieldVector rightValuesVector = rightVector.getValuesVector();
+
+ RangeEqualsVisitor innerVisitor = createInnerVisitor(leftValuesVector,
rightValuesVector, null);
+
+ int leftLogicalIndex = range.getLeftStart();
+ int rightLogicalIndex = range.getRightStart();
+
+ while (leftLogicalIndex < leftRangeEnd) {
+ int leftPhysicalIndex = leftVector.getPhysicalIndex(leftLogicalIndex);
Review Comment:
We can file a new issue for it and leave a TODO here.
##########
java/vector/src/main/java/org/apache/arrow/vector/validate/ValidateVectorBufferVisitor.java:
##########
@@ -287,4 +289,37 @@ public Void visit(ExtensionTypeVector<?> vector, Void
value) {
vector.getUnderlyingVector().accept(this, value);
return null;
}
+
+ @Override
+ public Void visit(RunEndEncodedVector vector, Void value) {
+ validateVectorCommon(vector);
+ int valueCount = vector.getValueCount();
+ FieldVector runEndsVector = vector.getRunEndsVector();
+
+ if (runEndsVector != null) {
Review Comment:
Ah, good point. We can leave it then.
##########
java/vector/src/test/java/org/apache/arrow/vector/TestRunEndEncodedVector.java:
##########
@@ -0,0 +1,231 @@
+/*
+ * 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.arrow.vector;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.List;
+import java.util.function.Function;
+import org.apache.arrow.memory.BufferAllocator;
+import org.apache.arrow.vector.compare.Range;
+import org.apache.arrow.vector.compare.RangeEqualsVisitor;
+import org.apache.arrow.vector.complex.RunEndEncodedVector;
+import org.apache.arrow.vector.types.Types;
+import org.apache.arrow.vector.types.pojo.ArrowType.RunEndEncoded;
+import org.apache.arrow.vector.types.pojo.Field;
+import org.apache.arrow.vector.types.pojo.FieldType;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class TestRunEndEncodedVector {
+
+ private BufferAllocator allocator;
+
+ @BeforeEach
+ public void init() {
+ allocator = new DirtyRootAllocator(Long.MAX_VALUE, (byte) 100);
Review Comment:
Hmm, I suppose it doesn't hurt to keep it.
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