public AbstractDetailQueryResultIterator(
List<BlockExecutionInfo> infos,
QueryExecutorProperties executerProperties,
QueryModel queryModel,
InternalQueryExecutor queryExecutor) {
int recordSize = 0;
String defaultInMemoryRecordsSize =
CarbonProperties.getInstance().getProperty(CarbonCommonConstants.INMEMORY_REOCRD_SIZE);
if (null != defaultInMemoryRecordsSize) {
try {
recordSize = Integer.parseInt(defaultInMemoryRecordsSize);
} catch (NumberFormatException ne) {
LOGGER.error("Invalid inmemory records size. Using default value");
recordSize = CarbonCommonConstants.INMEMORY_REOCRD_SIZE_DEFAULT;
}
}
this.numberOfCores =
recordSize
/ Integer.parseInt(
CarbonProperties.getInstance()
.getProperty(
CarbonCommonConstants.BLOCKLET_SIZE,
CarbonCommonConstants.BLOCKLET_SIZE_DEFAULT_VAL));
if (numberOfCores == 0) {
numberOfCores++;
}
executor = queryExecutor;
this.blockExecutionInfos = infos;
this.blockIndexToBeExecuted = new int[(int) numberOfCores];
intialiseInfos();
}
@Override
public void readFields(DataInput in) throws IOException {
int sizeLoc = in.readInt();
for (int i = 0; i < sizeLoc; i++) {
byte[] b = new byte[in.readInt()];
in.readFully(b);
locations.add(new String(b, Charset.defaultCharset()));
}
byte[] buf = new byte[in.readInt()];
in.readFully(buf);
ByteArrayInputStream bis = new ByteArrayInputStream(buf);
ObjectInputStream ois = new ObjectInputStream(bis);
try {
partition = (Partition) ois.readObject();
} catch (ClassNotFoundException e) {
LOGGER.error(e, e.getMessage());
}
ois.close();
}
@Override
public BatchResult prepareQueryResult(
Result<List<ListBasedResultWrapper>, Object> scannedResult) {
if ((null == scannedResult || scannedResult.size() < 1)) {
return new BatchRawResult();
}
QueryDimension[] queryDimensions = querySchemaInfo.getQueryDimensions();
int msrSize = queryExecuterProperties.measureDataTypes.length;
int dimSize = queryDimensions.length;
int[] order = querySchemaInfo.getQueryReverseOrder();
Object[][] resultData = new Object[scannedResult.size()][];
Object[] value;
Object[] row;
int counter = 0;
if (queryModel.isRawBytesDetailQuery()) {
while (scannedResult.hasNext()) {
value = scannedResult.getValue();
row = new Object[msrSize + 1];
row[0] = scannedResult.getKey();
if (value != null) {
assert (value.length == msrSize);
System.arraycopy(value, 0, row, 1, msrSize);
}
resultData[counter] = row;
counter++;
}
} else {
while (scannedResult.hasNext()) {
value = scannedResult.getValue();
row = new Object[msrSize + dimSize];
ByteArrayWrapper key = scannedResult.getKey();
if (key != null) {
long[] surrogateResult =
querySchemaInfo
.getKeyGenerator()
.getKeyArray(key.getDictionaryKey(), querySchemaInfo.getMaskedByteIndexes());
int noDictionaryColumnIndex = 0;
for (int i = 0; i < dimSize; i++) {
if (!queryDimensions[i].getDimension().hasEncoding(Encoding.DICTIONARY)) {
row[order[i]] =
DataTypeUtil.getDataBasedOnDataType(
new String(key.getNoDictionaryKeyByIndex(noDictionaryColumnIndex++)),
queryDimensions[i].getDimension().getDataType());
} else if (queryDimensions[i].getDimension().hasEncoding(Encoding.DIRECT_DICTIONARY)) {
DirectDictionaryGenerator directDictionaryGenerator =
DirectDictionaryKeyGeneratorFactory.getDirectDictionaryGenerator(
queryDimensions[i].getDimension().getDataType());
if (directDictionaryGenerator != null) {
row[order[i]] =
directDictionaryGenerator.getValueFromSurrogate(
(int) surrogateResult[queryDimensions[i].getDimension().getKeyOrdinal()]);
}
} else {
row[order[i]] =
(int) surrogateResult[queryDimensions[i].getDimension().getKeyOrdinal()];
}
}
}
for (int i = 0; i < msrSize; i++) {
row[order[i + queryDimensions.length]] = value[i];
}
resultData[counter] = row;
counter++;
}
}
LOGGER.info("###########################---- Total Number of records" + scannedResult.size());
BatchRawResult result = new BatchRawResult();
result.setRows(resultData);
return result;
}