weixiangsun commented on a change in pull request #7584: URL: https://github.com/apache/pinot/pull/7584#discussion_r731120375
########## File path: pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/LastWithTimeAggregationFunction.java ########## @@ -0,0 +1,222 @@ +/** + * 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.query.aggregation.function; + +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import org.apache.pinot.common.request.context.ExpressionContext; +import org.apache.pinot.common.utils.DataSchema.ColumnDataType; +import org.apache.pinot.core.common.BlockValSet; +import org.apache.pinot.core.common.ObjectSerDeUtils; +import org.apache.pinot.core.query.aggregation.AggregationResultHolder; +import org.apache.pinot.core.query.aggregation.ObjectAggregationResultHolder; +import org.apache.pinot.core.query.aggregation.groupby.GroupByResultHolder; +import org.apache.pinot.core.query.aggregation.groupby.ObjectGroupByResultHolder; +import org.apache.pinot.segment.local.customobject.LastWithTimePair; +import org.apache.pinot.segment.spi.AggregationFunctionType; +import org.apache.pinot.spi.data.FieldSpec.DataType; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public class LastWithTimeAggregationFunction extends BaseSingleInputAggregationFunction<LastWithTimePair, Double> { + private final ExpressionContext _timeCol; + + public LastWithTimeAggregationFunction(ExpressionContext dataCol, ExpressionContext timeCol) { + super(dataCol); + _timeCol = timeCol; + } + + @Override + public List<ExpressionContext> getInputExpressions() { + return Arrays.asList(_expression, _timeCol); + } + + @Override + public AggregationFunctionType getType() { + return AggregationFunctionType.LASTWITHTIME; + } + + @Override + public AggregationResultHolder createAggregationResultHolder() { + return new ObjectAggregationResultHolder(); + } + + @Override + public GroupByResultHolder createGroupByResultHolder(int initialCapacity, int maxCapacity) { + return new ObjectGroupByResultHolder(initialCapacity, maxCapacity); + } + + @Override + public void aggregate(int length, AggregationResultHolder aggregationResultHolder, + Map<ExpressionContext, BlockValSet> blockValSetMap) { + double lastData = Double.POSITIVE_INFINITY; + long lastTime = Long.MIN_VALUE; + + BlockValSet blockValSet = blockValSetMap.get(_expression); + BlockValSet blockTimeSet = blockValSetMap.get(_timeCol); + if (blockValSet.getValueType() != DataType.BYTES) { + double[] doubleValues = blockValSet.getDoubleValuesSV(); + long[] timeValues = blockTimeSet.getLongValuesSV(); + for (int i = 0; i < length; i++) { Review comment: They are not sorted. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
