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groupBy v2: Ignore timestamp completely when granularity = all, excep…
…t for the final merge. (#3740) * GroupByBenchmark: Add serde, spilling, all-gran benchmarks. Also use more iterations. * groupBy v2: Ignore timestamp completely when granularity = all, except for the final merge. Specifically: - Remove timestamp from RowBasedKey when not needed - Set timestamp to null in MapBasedRows that are not part of the final merge.
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benchmarks/src/main/java/io/druid/benchmark/query/SerializingQueryRunner.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * Licensed to Metamarkets Group Inc. (Metamarkets) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. Metamarkets 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 io.druid.benchmark.query; | ||
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|
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.google.common.base.Function; | ||
| import io.druid.java.util.common.guava.Sequence; | ||
| import io.druid.java.util.common.guava.Sequences; | ||
| import io.druid.query.Query; | ||
| import io.druid.query.QueryRunner; | ||
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|
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| import java.util.Map; | ||
|
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| public class SerializingQueryRunner<T> implements QueryRunner<T> | ||
| { | ||
| private final ObjectMapper smileMapper; | ||
| private final QueryRunner<T> baseRunner; | ||
| private final Class<T> clazz; | ||
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|
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| public SerializingQueryRunner( | ||
| ObjectMapper smileMapper, | ||
| Class<T> clazz, | ||
| QueryRunner<T> baseRunner | ||
| ) | ||
| { | ||
| this.smileMapper = smileMapper; | ||
| this.clazz = clazz; | ||
| this.baseRunner = baseRunner; | ||
| } | ||
|
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| @Override | ||
| public Sequence<T> run( | ||
| final Query<T> query, | ||
| final Map<String, Object> responseContext | ||
| ) | ||
| { | ||
| return Sequences.map( | ||
| baseRunner.run(query, responseContext), | ||
| new Function<T, T>() | ||
| { | ||
| @Override | ||
| public T apply(T input) | ||
| { | ||
| try { | ||
| return smileMapper.readValue(smileMapper.writeValueAsBytes(input), clazz); | ||
| } | ||
| catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
| ); | ||
| } | ||
| } |
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