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Add support for first/last for double/float/long #10702
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82 changes: 82 additions & 0 deletions
82
...main/java/org/apache/druid/query/aggregation/AbstractSerializableLongObjectPairSerde.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * 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; | ||
|
|
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| import org.apache.druid.collections.SerializablePair; | ||
| import org.apache.druid.data.input.InputRow; | ||
| import org.apache.druid.segment.GenericColumnSerializer; | ||
| import org.apache.druid.segment.column.ColumnBuilder; | ||
| import org.apache.druid.segment.data.GenericIndexed; | ||
| import org.apache.druid.segment.serde.ComplexColumnPartSupplier; | ||
| import org.apache.druid.segment.serde.ComplexMetricExtractor; | ||
| import org.apache.druid.segment.serde.ComplexMetricSerde; | ||
| import org.apache.druid.segment.serde.LargeColumnSupportedComplexColumnSerializer; | ||
| import org.apache.druid.segment.writeout.SegmentWriteOutMedium; | ||
|
|
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| import javax.annotation.Nullable; | ||
| import java.nio.ByteBuffer; | ||
|
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| public abstract class AbstractSerializableLongObjectPairSerde<T extends SerializablePair<Long, ?>> extends | ||
| ComplexMetricSerde | ||
| { | ||
| private final Class<T> pairClass; | ||
|
|
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| public AbstractSerializableLongObjectPairSerde(Class<T> pairClass) | ||
| { | ||
| this.pairClass = pairClass; | ||
| } | ||
|
|
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| @Override | ||
| public ComplexMetricExtractor<?> getExtractor() | ||
| { | ||
| return new ComplexMetricExtractor<Object>() | ||
| { | ||
| @Override | ||
| public Class<T> extractedClass() | ||
| { | ||
| return pairClass; | ||
| } | ||
|
|
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| @Nullable | ||
| @Override | ||
| public Object extractValue(InputRow inputRow, String metricName) | ||
| { | ||
| return inputRow.getMetric(metricName); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public void deserializeColumn(ByteBuffer buffer, ColumnBuilder columnBuilder) | ||
| { | ||
| final GenericIndexed<?> column = GenericIndexed.read(buffer, getObjectStrategy(), columnBuilder.getFileMapper()); | ||
| columnBuilder.setComplexColumnSupplier(new ComplexColumnPartSupplier(getTypeName(), column)); | ||
| } | ||
|
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| @Override | ||
| public GenericColumnSerializer<T> getSerializer(SegmentWriteOutMedium segmentWriteOutMedium, String column) | ||
| { | ||
| return LargeColumnSupportedComplexColumnSerializer.create( | ||
| segmentWriteOutMedium, | ||
| column, | ||
| getObjectStrategy() | ||
| ); | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
processing/src/main/java/org/apache/druid/query/aggregation/SerializablePairLongDouble.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.druid.query.aggregation; | ||
|
|
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| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import org.apache.druid.collections.SerializablePair; | ||
|
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| import javax.annotation.Nullable; | ||
|
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| public class SerializablePairLongDouble extends SerializablePair<Long, Double> | ||
| { | ||
| @JsonCreator | ||
| public SerializablePairLongDouble(@JsonProperty("lhs") Long lhs, @JsonProperty("rhs") @Nullable Double rhs) | ||
| { | ||
| super(lhs, rhs); | ||
| } | ||
| } |
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