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From ravipesala <...@git.apache.org>
Subject [GitHub] carbondata pull request #1464: [CARBONDATA-1523]Pre Aggregate table selectio...
Date Mon, 13 Nov 2017 06:21:01 GMT
Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1464#discussion_r150454937
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapSchemaFactory.java
---
    @@ -0,0 +1,41 @@
    +/*
    + * 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.metadata.schema.table;
    +
    +import java.util.Map;
    +
    +import static org.apache.carbondata.core.constants.CarbonCommonConstants.AGGREGATIONDATAMAPSCHEMA;
    +
    +public class DataMapSchemaFactory {
    +  public static final DataMapSchemaFactory INSTANCE = new DataMapSchemaFactory();
    +
    +  /**
    +   * Below class will be used to get data map schema object
    +   * based on class name
    +   * @param className
    +   * @return data map schema
    +   */
    +  public DataMapSchema getDataMapSchema(String className, Map<String, String> properties,
    +      TableSchema tableSchema, RelationIdentifier relationIdentifier) {
    +    switch (className) {
    +      case AGGREGATIONDATAMAPSCHEMA:
    +        return new AggregationDataMapSchema(className, properties, tableSchema, relationIdentifier);
    +      default:
    +        throw new IllegalArgumentException("Invalid Class Name");
    --- End diff --
    
    Don't throw exception, return new DataMapSchema by default


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