fx19880617 commented on a change in pull request #5461: URL: https://github.com/apache/incubator-pinot/pull/5461#discussion_r434890598
########## File path: pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/BinaryOperatorTransformFunction.java ########## @@ -0,0 +1,320 @@ +/** + * 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.pinot.core.operator.transform.function; + +import java.math.BigDecimal; +import java.util.List; +import java.util.Map; +import org.apache.pinot.core.common.DataSource; +import org.apache.pinot.core.operator.blocks.ProjectionBlock; +import org.apache.pinot.core.operator.transform.TransformResultMetadata; +import org.apache.pinot.core.plan.DocIdSetPlanNode; +import org.apache.pinot.spi.data.FieldSpec; +import org.apache.pinot.spi.utils.ByteArray; + + +/** + * <code>BinaryOperatorTransformFunction</code> abstracts common functions for binary operators (=, !=, >=, >, <=, <) + * The results are in boolean format and stored as an integer array with 1 represents true and 0 represents false. + */ +public abstract class BinaryOperatorTransformFunction extends BaseTransformFunction { + + protected TransformFunction _leftTransformFunction; + protected TransformFunction _rightTransformFunction; + protected FieldSpec.DataType _leftDataType; + protected FieldSpec.DataType _rightDataType; + protected int[] _results; + + @Override + public void init(List<TransformFunction> arguments, Map<String, DataSource> dataSourceMap) { + // Check that there are exact 2 arguments + if (arguments.size() != 2) { + throw new IllegalArgumentException("Exact 2 arguments are required for binary operator transform function"); + } + _leftTransformFunction = arguments.get(0); + _rightTransformFunction = arguments.get(1); + _leftDataType = _leftTransformFunction.getResultMetadata().getDataType(); + _rightDataType = _rightTransformFunction.getResultMetadata().getDataType(); + switch (_leftDataType) { Review comment: Ah, this is good ;) ---------------------------------------------------------------- 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 --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
