maytasm3 commented on a change in pull request #9187: Implement ANY aggregator URL: https://github.com/apache/druid/pull/9187#discussion_r367163512
########## File path: processing/src/main/java/org/apache/druid/query/aggregation/any/DoubleAnyBufferAggregator.java ########## @@ -0,0 +1,87 @@ +/* + * 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.druid.query.aggregation.any; + +import org.apache.druid.query.aggregation.BufferAggregator; +import org.apache.druid.query.monomorphicprocessing.RuntimeShapeInspector; +import org.apache.druid.segment.BaseDoubleColumnValueSelector; + +import java.nio.ByteBuffer; + +public class DoubleAnyBufferAggregator implements BufferAggregator +{ + private static final double NULL_VALUE = 0; + private final BaseDoubleColumnValueSelector valueSelector; + + public DoubleAnyBufferAggregator(BaseDoubleColumnValueSelector valueSelector) + { + this.valueSelector = valueSelector; + } + + @Override + public void init(ByteBuffer buf, int position) + { + buf.putDouble(position, NULL_VALUE); + } + + @Override + public void aggregate(ByteBuffer buf, int position) + { + if (buf.getDouble(position) == NULL_VALUE && !valueSelector.isNull()) { + buf.putDouble(position, valueSelector.getDouble()); + } + } + + @Override + public Object get(ByteBuffer buf, int position) + { + return buf.getDouble(position); + } + + @Override + public float getFloat(ByteBuffer buf, int position) + { + return (float) buf.getDouble(position); + } + + @Override + public long getLong(ByteBuffer buf, int position) + { + return (long) buf.getDouble(position); + } + + @Override + public double getDouble(ByteBuffer buf, int position) + { + return buf.getDouble(position); + } + + @Override + public void close() + { + Review comment: Done ---------------------------------------------------------------- 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 With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@druid.apache.org For additional commands, e-mail: commits-h...@druid.apache.org
