Examples with StructDataType org.apache.carbondata.processing.datatypes.StructDataType used on opensource projects

Example 1 with StructDataType

use of org.apache.carbondata.processing.datatypes.StructDataType in project carbondata by apache.

the class FieldEncoderFactory method createComplexType.

/**
   * This method may be called recursively if the carbon column is complex type.
   *
   * @return GenericDataType
   */
private static GenericDataType createComplexType(CarbonColumn carbonColumn, String parentName, Cache<DictionaryColumnUniqueIdentifier, Dictionary> cache, CarbonTableIdentifier carbonTableIdentifier, DictionaryClient client, Boolean useOnePass, String storePath, boolean tableInitialize, Map<Object, Integer> localCache) {
    switch(carbonColumn.getDataType()) {
        case ARRAY:
            List<CarbonDimension> listOfChildDimensions = ((CarbonDimension) carbonColumn).getListOfChildDimensions();
            // Create array parser with complex delimiter
            ArrayDataType arrayDataType = new ArrayDataType(carbonColumn.getColName(), parentName, carbonColumn.getColumnId());
            for (CarbonDimension dimension : listOfChildDimensions) {
                arrayDataType.addChildren(createComplexType(dimension, carbonColumn.getColName(), cache, carbonTableIdentifier, client, useOnePass, storePath, tableInitialize, localCache));
            }
            return arrayDataType;
        case STRUCT:
            List<CarbonDimension> dimensions = ((CarbonDimension) carbonColumn).getListOfChildDimensions();
            // Create struct parser with complex delimiter
            StructDataType structDataType = new StructDataType(carbonColumn.getColName(), parentName, carbonColumn.getColumnId());
            for (CarbonDimension dimension : dimensions) {
                structDataType.addChildren(createComplexType(dimension, carbonColumn.getColName(), cache, carbonTableIdentifier, client, useOnePass, storePath, tableInitialize, localCache));
            }
            return structDataType;
        case MAP:
            throw new UnsupportedOperationException("Complex type Map is not supported yet");
        default:
            return new PrimitiveDataType(carbonColumn.getColName(), parentName, carbonColumn.getColumnId(), (CarbonDimension) carbonColumn, cache, carbonTableIdentifier, client, useOnePass, storePath, tableInitialize, localCache);
    }
}

Example 2 with StructDataType

use of org.apache.carbondata.processing.datatypes.StructDataType in project carbondata by apache.

the class CarbonDataProcessorUtil method getComplexTypesMap.

// TODO: need to simplify it. Not required create string first.
public static Map<String, GenericDataType> getComplexTypesMap(DataField[] dataFields) {
    String complexTypeString = getComplexTypeString(dataFields);
    if (null == complexTypeString || complexTypeString.equals("")) {
        return new LinkedHashMap<>();
    }
    Map<String, GenericDataType> complexTypesMap = new LinkedHashMap<String, GenericDataType>();
    String[] hierarchies = complexTypeString.split(CarbonCommonConstants.SEMICOLON_SPC_CHARACTER);
    for (int i = 0; i < hierarchies.length; i++) {
        String[] levels = hierarchies[i].split(CarbonCommonConstants.HASH_SPC_CHARACTER);
        String[] levelInfo = levels[0].split(CarbonCommonConstants.COLON_SPC_CHARACTER);
        GenericDataType g = levelInfo[1].equals(CarbonCommonConstants.ARRAY) ? new ArrayDataType(levelInfo[0], "", levelInfo[3]) : new StructDataType(levelInfo[0], "", levelInfo[3]);
        complexTypesMap.put(levelInfo[0], g);
        for (int j = 1; j < levels.length; j++) {
            levelInfo = levels[j].split(CarbonCommonConstants.COLON_SPC_CHARACTER);
            switch(levelInfo[1]) {
                case CarbonCommonConstants.ARRAY:
                    g.addChildren(new ArrayDataType(levelInfo[0], levelInfo[2], levelInfo[3]));
                    break;
                case CarbonCommonConstants.STRUCT:
                    g.addChildren(new StructDataType(levelInfo[0], levelInfo[2], levelInfo[3]));
                    break;
                default:
                    g.addChildren(new PrimitiveDataType(levelInfo[0], levelInfo[2], levelInfo[3], Integer.parseInt(levelInfo[4])));
            }
        }
    }
    return complexTypesMap;
}