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From Vlad-Storona <...@git.apache.org>
Subject [GitHub] drill pull request #774: DRILL-5337: OpenTSDB storage plugin
Date Thu, 02 Nov 2017 15:31:16 GMT
Github user Vlad-Storona commented on a diff in the pull request:

    https://github.com/apache/drill/pull/774#discussion_r148568871
  
    --- Diff: contrib/storage-opentsdb/src/main/java/org/apache/drill/exec/store/openTSDB/client/query/Query.java
---
    @@ -0,0 +1,182 @@
    +/*
    + * 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.drill.exec.store.openTSDB.client.query;
    +
    +import java.util.HashMap;
    +import java.util.Map;
    +
    +import static org.apache.drill.exec.store.openTSDB.Constants.SUM_AGGREGATOR;
    +
    +/**
    + * Query is an abstraction of openTSDB subQuery
    + * and it is integral part of DBQuery
    + * <p>
    + * Each sub query can retrieve individual or groups of timeseries data,
    + * performing aggregation on each set.
    + */
    +public class Query {
    +
    +  /**
    +   * The name of an aggregation function to use.
    +   */
    +  private String aggregator;
    +  /**
    +   * The name of a metric stored in the system
    +   */
    +  private String metric;
    +  /**
    +   * Whether or not the data should be converted into deltas before returning.
    +   * This is useful if the metric is a continuously incrementing counter
    +   * and you want to view the rate of change between data points.
    +   */
    +  private String rate;
    +  /**
    +   * An optional downsampling function to reduce the amount of data returned.
    +   */
    +  private String downsample;
    +  /**
    +   * To drill down to specific timeseries or group results by tag,
    +   * supply one or more map values in the same format as the query string.
    +   */
    +  private Map<String, String> tags;
    +
    +  private Query(Builder builder) {
    +    this.aggregator = builder.aggregator;
    +    this.metric = builder.metric;
    +    this.rate = builder.rate;
    +    this.downsample = builder.downsample;
    +    this.tags = builder.tags;
    +  }
    +
    +  public String getAggregator() {
    +    return aggregator;
    +  }
    +
    +  public String getMetric() {
    +    return metric;
    +  }
    +
    +  public String getRate() {
    +    return rate;
    +  }
    +
    +  public String getDownsample() {
    +    return downsample;
    +  }
    +
    +  public Map<String, String> getTags() {
    +    return tags;
    +  }
    +
    +  public static class Builder {
    +
    +    private String aggregator = SUM_AGGREGATOR;
    --- End diff --
    
    Sure, I will remove support for these type of queries.


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