3428

Build # 3428

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<a href="https://github.com/apache/carbondata/commit/<a class=hub.com/apache/carbondata/commit/2960d1f55e291028ddbb1700ec394eed5a163ae5">2960d1f55<a href="https://github.com/apache/carbondata/commit/2960d1f55e291028ddbb1700ec394eed5a163ae5">">Merge </a><a class="double-link" href="https://github.com/apache/carbondata/commit/<a class="double-link" href="https://github.com/apache/carbondata/commit/5e42386176cd32221fbf1a43cd70197176a9d793">5e4238617</a>">5e4238617</a><a href="https://github.com/apache/carbondata/commit/2960d1f55e291028ddbb1700ec394eed5a163ae5"> into 5a4684f7f">5a4684f7f</a>

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87.5

/integration/spark2/src/main/java/org/apache/carbondata/datamap/IndexDataMapProvider.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.datamap;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.carbondata.common.annotations.InterfaceAudience;
import org.apache.carbondata.common.exceptions.MetadataProcessException;
import org.apache.carbondata.common.exceptions.sql.MalformedDataMapCommandException;
import org.apache.carbondata.core.datamap.DataMapProvider;
import org.apache.carbondata.core.datamap.DataMapRegistry;
import org.apache.carbondata.core.datamap.DataMapStoreManager;
import org.apache.carbondata.core.datamap.dev.DataMap;
import org.apache.carbondata.core.datamap.dev.DataMapFactory;
import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
import org.apache.carbondata.core.metadata.schema.table.RelationIdentifier;
import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;

import org.apache.spark.sql.SparkSession;

/**
 * Index type DataMap, all index datamap should implement this interface.
 */
@InterfaceAudience.Internal
public class IndexDataMapProvider extends DataMapProvider {

  private SparkSession sparkSession;
  private DataMapFactory<? extends DataMap> dataMapFactory;
  private List<CarbonColumn> indexedColumns;

  IndexDataMapProvider(CarbonTable table, DataMapSchema schema, SparkSession sparkSession)
      throws MalformedDataMapCommandException {
    super(table, schema);
    this.sparkSession = sparkSession;
    this.dataMapFactory = createDataMapFactory();
    dataMapFactory.validate();
    this.indexedColumns = table.getIndexedColumns(schema);
  }

  public List<CarbonColumn> getIndexedColumns() {
    return indexedColumns;
  }

  @Override
  public void initMeta(String ctasSqlStatement)
      throws MalformedDataMapCommandException, IOException {
    CarbonTable mainTable = getMainTable();
    DataMapSchema dataMapSchema = getDataMapSchema();
    if (mainTable == null) {
      throw new MalformedDataMapCommandException(
          "Parent table is required to create index datamap");
    }
    ArrayList<RelationIdentifier> relationIdentifiers = new ArrayList<>();
    RelationIdentifier relationIdentifier =
        new RelationIdentifier(mainTable.getDatabaseName(), mainTable.getTableName(),
            mainTable.getTableInfo().getFactTable().getTableId());
    relationIdentifiers.add(relationIdentifier);
    dataMapSchema.setRelationIdentifier(relationIdentifier);
    dataMapSchema.setParentTables(relationIdentifiers);
    DataMapStoreManager.getInstance().registerDataMap(mainTable, dataMapSchema, dataMapFactory);
    DataMapStoreManager.getInstance().saveDataMapSchema(dataMapSchema);
  }

  @Override
  public void cleanMeta() throws IOException {
    if (getMainTable() == null) {
      throw new UnsupportedOperationException("Table need to be specified in index datamaps");
    }
    DataMapStoreManager.getInstance().dropDataMapSchema(getDataMapSchema().getDataMapName());
  }

  @Override
  public void cleanData() {
    CarbonTable mainTable = getMainTable();
    if (mainTable == null) {
      throw new UnsupportedOperationException("Table need to be specified in index datamaps");
    }
    DataMapStoreManager.getInstance().clearDataMap(
        mainTable.getAbsoluteTableIdentifier(), getDataMapSchema().getDataMapName());
  }

  @Override
  public void rebuild() {
    IndexDataMapRebuildRDD.rebuildDataMap(sparkSession, getMainTable(), getDataMapSchema());
  }

  private DataMapFactory<? extends DataMap> createDataMapFactory()
      throws MalformedDataMapCommandException {
    CarbonTable mainTable = getMainTable();
    DataMapSchema dataMapSchema = getDataMapSchema();
    DataMapFactory<? extends DataMap> dataMapFactory;
    try {
      // try to create DataMapClassProvider instance by taking providerName as class name
      dataMapFactory = (DataMapFactory<? extends DataMap>)
          Class.forName(dataMapSchema.getProviderName()).getConstructors()[0]
              .newInstance(mainTable, dataMapSchema);
    } catch (ClassNotFoundException e) {
      // try to create DataMapClassProvider instance by taking providerName as short name
      dataMapFactory =
          DataMapRegistry.getDataMapFactoryByShortName(mainTable, dataMapSchema);
    } catch (Throwable e) {
      throw new MetadataProcessException(
          "failed to create DataMapClassProvider '" + dataMapSchema.getProviderName() + "'", e);
    }
    return dataMapFactory;
  }

  @Override
  public DataMapFactory getDataMapFactory() {
    return dataMapFactory;
  }

  @Override
  public boolean supportRebuild() {
    return dataMapFactory.supportRebuild();
  }
}

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.datamap;
19
20	import java.io.IOException;
21	import java.util.ArrayList;
22	import java.util.List;
23
24	import org.apache.carbondata.common.annotations.InterfaceAudience;
25	import org.apache.carbondata.common.exceptions.MetadataProcessException;
26	import org.apache.carbondata.common.exceptions.sql.MalformedDataMapCommandException;
27	import org.apache.carbondata.core.datamap.DataMapProvider;
28	import org.apache.carbondata.core.datamap.DataMapRegistry;
29	import org.apache.carbondata.core.datamap.DataMapStoreManager;
30	import org.apache.carbondata.core.datamap.dev.DataMap;
31	import org.apache.carbondata.core.datamap.dev.DataMapFactory;
32	import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
33	import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
34	import org.apache.carbondata.core.metadata.schema.table.RelationIdentifier;
35	import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;
36
37	import org.apache.spark.sql.SparkSession;
38
39	/**
40	* Index type DataMap, all index datamap should implement this interface.
41	*/
42	@InterfaceAudience.Internal
43	public class IndexDataMapProvider extends DataMapProvider {
44
45	private SparkSession sparkSession;
46	private DataMapFactory<? extends DataMap> dataMapFactory;
47	private List<CarbonColumn> indexedColumns;
48
49	IndexDataMapProvider(CarbonTable table, DataMapSchema schema, SparkSession sparkSession)
50	throws MalformedDataMapCommandException {
51	super(table, schema);	2✔
52	this.sparkSession = sparkSession;	2✔
53	this.dataMapFactory = createDataMapFactory();	2✔
54	dataMapFactory.validate();	2✔
55	this.indexedColumns = table.getIndexedColumns(schema);	2✔
56	}	2✔
57
58	public List<CarbonColumn> getIndexedColumns() {
59	return indexedColumns;	2✔
60	}
61
62	@Override
63	public void initMeta(String ctasSqlStatement)
64	throws MalformedDataMapCommandException, IOException {
65	CarbonTable mainTable = getMainTable();	2✔
66	DataMapSchema dataMapSchema = getDataMapSchema();	2✔
67	if (mainTable == null) {	2✔
68	throw new MalformedDataMapCommandException(	×
69	"Parent table is required to create index datamap");
70	}
71	ArrayList<RelationIdentifier> relationIdentifiers = new ArrayList<>();	2✔
72	RelationIdentifier relationIdentifier =	2✔
73	new RelationIdentifier(mainTable.getDatabaseName(), mainTable.getTableName(),	2✔
74	mainTable.getTableInfo().getFactTable().getTableId());	2✔
75	relationIdentifiers.add(relationIdentifier);	2✔
76	dataMapSchema.setRelationIdentifier(relationIdentifier);	2✔
77	dataMapSchema.setParentTables(relationIdentifiers);	2✔
78	DataMapStoreManager.getInstance().registerDataMap(mainTable, dataMapSchema, dataMapFactory);	2✔
79	DataMapStoreManager.getInstance().saveDataMapSchema(dataMapSchema);	2✔
80	}	2✔
81
82	@Override
83	public void cleanMeta() throws IOException {
84	if (getMainTable() == null) {	2✔
85	throw new UnsupportedOperationException("Table need to be specified in index datamaps");	×
86	}
87	DataMapStoreManager.getInstance().dropDataMapSchema(getDataMapSchema().getDataMapName());	2✔
88	}	2✔
89
90	@Override
91	public void cleanData() {
92	CarbonTable mainTable = getMainTable();	2✔
93	if (mainTable == null) {	2✔
94	throw new UnsupportedOperationException("Table need to be specified in index datamaps");	×
95	}
96	DataMapStoreManager.getInstance().clearDataMap(	2✔
97	mainTable.getAbsoluteTableIdentifier(), getDataMapSchema().getDataMapName());	2✔
98	}	2✔
99
100	@Override
101	public void rebuild() {
102	IndexDataMapRebuildRDD.rebuildDataMap(sparkSession, getMainTable(), getDataMapSchema());	2✔
103	}	2✔
104
105	private DataMapFactory<? extends DataMap> createDataMapFactory()
106	throws MalformedDataMapCommandException {
107	CarbonTable mainTable = getMainTable();	2✔
108	DataMapSchema dataMapSchema = getDataMapSchema();	2✔
109	DataMapFactory<? extends DataMap> dataMapFactory;
110	try {
111	// try to create DataMapClassProvider instance by taking providerName as class name
112	dataMapFactory = (DataMapFactory<? extends DataMap>)	2✔
113	Class.forName(dataMapSchema.getProviderName()).getConstructors()[0]	1✔
114	.newInstance(mainTable, dataMapSchema);	1✔
115	} catch (ClassNotFoundException e) {	2✔
116	// try to create DataMapClassProvider instance by taking providerName as short name
117	dataMapFactory =	2✔
118	DataMapRegistry.getDataMapFactoryByShortName(mainTable, dataMapSchema);	2✔
119	} catch (Throwable e) {	×
120	throw new MetadataProcessException(	×
121	"failed to create DataMapClassProvider '" + dataMapSchema.getProviderName() + "'", e);	×
122	}	2✔
123	return dataMapFactory;	2✔
124	}
125
126	@Override
127	public DataMapFactory getDataMapFactory() {
128	return dataMapFactory;	2✔
129	}
130
131	@Override
132	public boolean supportRebuild() {
133	return dataMapFactory.supportRebuild();	2✔
134	}
135	}

apache / carbondata / 3428

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