wangwei1025 commented on a change in pull request #15939: URL: https://github.com/apache/flink/pull/15939#discussion_r640348545
########## File path: flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/data/ColumnarMapData.java ########## @@ -0,0 +1,67 @@ +/* + * 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.flink.table.data; + +import org.apache.flink.table.data.vector.ColumnVector; + +/** Columnar map to support access to vector column data. */ +public final class ColumnarMapData implements MapData { + + private final ColumnVector keyColumnVector; + private final ColumnVector valueColumnVector; + private final int offset; + private final int numElements; + + public ColumnarMapData( + ColumnVector keyColumnVector, + ColumnVector valueColumnVector, + int offset, + int numElements) { + this.keyColumnVector = keyColumnVector; + this.valueColumnVector = valueColumnVector; + this.offset = offset; + this.numElements = numElements; + } + + @Override + public int size() { + return numElements; + } + + @Override + public ArrayData keyArray() { + return new ColumnarArrayData(keyColumnVector, offset, numElements); + } + + @Override + public ArrayData valueArray() { + return new ColumnarArrayData(valueColumnVector, offset, numElements); + } + + @Override + public boolean equals(Object o) { + throw new UnsupportedOperationException( Review comment: I don't support _equals_ and _hashCode_ because ColumnarRowData and ColumnarArrayData don't support it. And I think it's appropriate because ColumnarRowData don't decode data from vector before reading data. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
