Examples with DictionaryColumnUniqueIdentifier org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier used on opensource projects

Example 21 with DictionaryColumnUniqueIdentifier

use of org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier in project carbondata by apache.

the class CarbonDictionaryReaderImplTest method setUp.

@BeforeClass
public static void setUp() throws Exception {
    columnIdentifier = new ColumnIdentifier("1", null, null);
    absoluteTableIdentifier = AbsoluteTableIdentifier.from("tablePath", new CarbonTableIdentifier("dbName", "tableName", UUID.randomUUID().toString()));
    DictionaryColumnUniqueIdentifier dictionaryColumnUniqueIdentifier = new DictionaryColumnUniqueIdentifier(absoluteTableIdentifier, columnIdentifier, columnIdentifier.getDataType());
    carbonDictionaryReaderImpl = new CarbonDictionaryReaderImpl(dictionaryColumnUniqueIdentifier);
}

Example 22 with DictionaryColumnUniqueIdentifier

use of org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier in project carbondata by apache.

the class QueryUtil method getDictionaryMap.

/**
 * Below method will be used to get the column id to its dictionary mapping
 *
 * @param dictionaryColumnIdList  dictionary column list
 * @param absoluteTableIdentifier absolute table identifier
 * @return dictionary mapping
 * @throws IOException
 */
private static Map<String, Dictionary> getDictionaryMap(List<String> dictionaryColumnIdList, AbsoluteTableIdentifier absoluteTableIdentifier, TableProvider tableProvider) throws IOException {
    // if any complex dimension not present in query then return the empty map
    if (dictionaryColumnIdList.size() == 0) {
        return new HashMap<>();
    }
    // this for dictionary unique identifier
    List<DictionaryColumnUniqueIdentifier> dictionaryColumnUniqueIdentifiers = getDictionaryColumnUniqueIdentifierList(dictionaryColumnIdList, absoluteTableIdentifier.getCarbonTableIdentifier(), tableProvider);
    CacheProvider cacheProvider = CacheProvider.getInstance();
    Cache<DictionaryColumnUniqueIdentifier, Dictionary> forwardDictionaryCache = cacheProvider.createCache(CacheType.FORWARD_DICTIONARY);
    List<Dictionary> columnDictionaryList = forwardDictionaryCache.getAll(dictionaryColumnUniqueIdentifiers);
    Map<String, Dictionary> columnDictionaryMap = new HashMap<>(columnDictionaryList.size());
    for (int i = 0; i < dictionaryColumnUniqueIdentifiers.size(); i++) {
        // TODO: null check for column dictionary, if cache size is less it
        // might return null here, in that case throw exception
        columnDictionaryMap.put(dictionaryColumnUniqueIdentifiers.get(i).getColumnIdentifier().getColumnId(), columnDictionaryList.get(i));
    }
    return columnDictionaryMap;
}