3502

Build # 3502

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push

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Committed by GitHub

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<a href="https://github.com/apache/carbondata/commit/<a class=hub.com/apache/carbondata/commit/7905740d9d52ffa848d819e8ad040854f9a4f909">7905740d9<a href="https://github.com/apache/carbondata/commit/7905740d9d52ffa848d819e8ad040854f9a4f909">">Merge </a><a class="double-link" href="https://github.com/apache/carbondata/commit/<a class="double-link" href="https://github.com/apache/carbondata/commit/a9a04a27f620389336af8a40aaa7031b0b1d51da">a9a04a27f</a>">a9a04a27f</a><a href="https://github.com/apache/carbondata/commit/7905740d9d52ffa848d819e8ad040854f9a4f909"> into 4d7c8ada9">4d7c8ada9</a>

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/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapSegmentStatusUtil.java

/*
 * 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.carbondata.core.datamap.status;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.carbondata.core.constants.CarbonCommonConstants;
import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
import org.apache.carbondata.core.metadata.schema.table.RelationIdentifier;
import org.apache.carbondata.core.statusmanager.LoadMetadataDetails;
import org.apache.carbondata.core.statusmanager.SegmentStatus;

import com.google.gson.Gson;

/**
 * Utility class to get updated segment mapping for datamap table
 */
public class DataMapSegmentStatusUtil {

  /**
   * This method will convert string to map and return segmentMap
   */
  public static Map<String, List<String>> getSegmentMap(String segmentMap) {
    Gson gson = new Gson();
    return gson.fromJson(segmentMap, Map.class);
  }

  /**
   * In case of compaction on dataMap table,this method will merge the segment list of main table
   * and return updated segment mapping
   *
   * @param mergedLoadName      to find which all segments are merged to new compacted segment
   * @param dataMapSchema       of datamap table
   * @param loadMetadataDetails of datamap table
   * @return updated segment map after merging segment list
   */
  public static String getUpdatedSegmentMap(String mergedLoadName, DataMapSchema dataMapSchema,
      LoadMetadataDetails[] loadMetadataDetails) {
    Map<String, List<String>> segmentMapping = new HashMap<>();
    List<RelationIdentifier> relationIdentifiers = dataMapSchema.getParentTables();
    for (RelationIdentifier relationIdentifier : relationIdentifiers) {
      for (LoadMetadataDetails loadMetadataDetail : loadMetadataDetails) {
        if (loadMetadataDetail.getSegmentStatus() == SegmentStatus.COMPACTED) {
          if (mergedLoadName.equalsIgnoreCase(loadMetadataDetail.getMergedLoadName())) {
            if (segmentMapping.isEmpty()) {
              segmentMapping.putAll(getSegmentMap(loadMetadataDetail.getExtraInfo()));
            } else {
              segmentMapping.get(relationIdentifier.getDatabaseName() + CarbonCommonConstants.POINT
                  + relationIdentifier.getTableName()).addAll(
                  getSegmentMap(loadMetadataDetail.getExtraInfo()).get(
                      relationIdentifier.getDatabaseName() + CarbonCommonConstants.POINT
                          + relationIdentifier.getTableName()));
            }
          }
        }
      }
    }
    Gson gson = new Gson();
    return gson.toJson(segmentMapping);
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one or more
3	* contributor license agreements. See the NOTICE file distributed with
4	* this work for additional information regarding copyright ownership.
5	* The ASF licenses this file to You under the Apache License, Version 2.0
6	* (the "License"); you may not use this file except in compliance with
7	* the License. You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	package org.apache.carbondata.core.datamap.status;
19
20	import java.util.HashMap;
21	import java.util.List;
22	import java.util.Map;
23
24	import org.apache.carbondata.core.constants.CarbonCommonConstants;
25	import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
26	import org.apache.carbondata.core.metadata.schema.table.RelationIdentifier;
27	import org.apache.carbondata.core.statusmanager.LoadMetadataDetails;
28	import org.apache.carbondata.core.statusmanager.SegmentStatus;
29
30	import com.google.gson.Gson;
31
32	/**
33	* Utility class to get updated segment mapping for datamap table
34	*/
35	public class DataMapSegmentStatusUtil {	×
36
37	/**
38	* This method will convert string to map and return segmentMap
39	*/
40	public static Map<String, List<String>> getSegmentMap(String segmentMap) {
41	Gson gson = new Gson();	×
42	return gson.fromJson(segmentMap, Map.class);	×
43	}
44
45	/**
46	* In case of compaction on dataMap table,this method will merge the segment list of main table
47	* and return updated segment mapping
48	*
49	* @param mergedLoadName to find which all segments are merged to new compacted segment
50	* @param dataMapSchema of datamap table
51	* @param loadMetadataDetails of datamap table
52	* @return updated segment map after merging segment list
53	*/
54	public static String getUpdatedSegmentMap(String mergedLoadName, DataMapSchema dataMapSchema,
55	LoadMetadataDetails[] loadMetadataDetails) {
56	Map<String, List<String>> segmentMapping = new HashMap<>();	×
57	List<RelationIdentifier> relationIdentifiers = dataMapSchema.getParentTables();	×
58	for (RelationIdentifier relationIdentifier : relationIdentifiers) {	×
59	for (LoadMetadataDetails loadMetadataDetail : loadMetadataDetails) {	×
60	if (loadMetadataDetail.getSegmentStatus() == SegmentStatus.COMPACTED) {	×
61	if (mergedLoadName.equalsIgnoreCase(loadMetadataDetail.getMergedLoadName())) {	×
62	if (segmentMapping.isEmpty()) {	×
63	segmentMapping.putAll(getSegmentMap(loadMetadataDetail.getExtraInfo()));	×
64	} else {
65	segmentMapping.get(relationIdentifier.getDatabaseName() + CarbonCommonConstants.POINT	×
66	+ relationIdentifier.getTableName()).addAll(	×
67	getSegmentMap(loadMetadataDetail.getExtraInfo()).get(	×
68	relationIdentifier.getDatabaseName() + CarbonCommonConstants.POINT	×
69	+ relationIdentifier.getTableName()));	×
70	}
71	}
72	}
73	}
74	}	×
75	Gson gson = new Gson();	×
76	return gson.toJson(segmentMapping);	×
77	}
78	}

apache / carbondata / 3502

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