use of org.apache.carbondata.processing.csvload.BlockDetails in project carbondata by apache.
the class StoreCreator method executeGraph.
/**
* Execute graph which will further load data
*
* @param loadModel
* @param storeLocation
* @throws Exception
*/
public static void executeGraph(CarbonLoadModel loadModel, String storeLocation) throws Exception {
new File(storeLocation).mkdirs();
String outPutLoc = storeLocation + "/etl";
String databaseName = loadModel.getDatabaseName();
String tableName = loadModel.getTableName();
String tempLocationKey = databaseName + '_' + tableName + "_1";
CarbonProperties.getInstance().addProperty(tempLocationKey, storeLocation);
CarbonProperties.getInstance().addProperty("store_output_location", outPutLoc);
CarbonProperties.getInstance().addProperty("send.signal.load", "false");
CarbonProperties.getInstance().addProperty("carbon.is.columnar.storage", "true");
CarbonProperties.getInstance().addProperty("carbon.dimension.split.value.in.columnar", "1");
CarbonProperties.getInstance().addProperty("carbon.is.fullyfilled.bits", "true");
CarbonProperties.getInstance().addProperty("is.int.based.indexer", "true");
CarbonProperties.getInstance().addProperty("aggregate.columnar.keyblock", "true");
CarbonProperties.getInstance().addProperty("high.cardinality.value", "100000");
CarbonProperties.getInstance().addProperty("is.compressed.keyblock", "false");
CarbonProperties.getInstance().addProperty("carbon.leaf.node.size", "120000");
String graphPath = outPutLoc + File.separator + loadModel.getDatabaseName() + File.separator + tableName + File.separator + 0 + File.separator + 1 + File.separator + tableName + ".ktr";
File path = new File(graphPath);
if (path.exists()) {
path.delete();
}
SchemaInfo info = new SchemaInfo();
BlockDetails blockDetails = new BlockDetails(new Path(loadModel.getFactFilePath()), 0, new File(loadModel.getFactFilePath()).length(), new String[] { "localhost" });
Configuration configuration = new Configuration();
CSVInputFormat.setCommentCharacter(configuration, loadModel.getCommentChar());
CSVInputFormat.setCSVDelimiter(configuration, loadModel.getCsvDelimiter());
CSVInputFormat.setEscapeCharacter(configuration, loadModel.getEscapeChar());
CSVInputFormat.setHeaderExtractionEnabled(configuration, true);
CSVInputFormat.setQuoteCharacter(configuration, loadModel.getQuoteChar());
CSVInputFormat.setReadBufferSize(configuration, CarbonProperties.getInstance().getProperty(CarbonCommonConstants.CSV_READ_BUFFER_SIZE, CarbonCommonConstants.CSV_READ_BUFFER_SIZE_DEFAULT));
CSVInputFormat.setMaxColumns(configuration, "10");
CSVInputFormat.setNumberOfColumns(configuration, "7");
TaskAttemptContextImpl hadoopAttemptContext = new TaskAttemptContextImpl(configuration, new TaskAttemptID("", 1, TaskType.MAP, 0, 0));
CSVInputFormat format = new CSVInputFormat();
RecordReader<NullWritable, StringArrayWritable> recordReader = format.createRecordReader(blockDetails, hadoopAttemptContext);
CSVRecordReaderIterator readerIterator = new CSVRecordReaderIterator(recordReader, blockDetails, hadoopAttemptContext);
new DataLoadExecutor().execute(loadModel, storeLocation, new CarbonIterator[] { readerIterator });
info.setDatabaseName(databaseName);
info.setTableName(tableName);
writeLoadMetadata(loadModel.getCarbonDataLoadSchema(), loadModel.getTableName(), loadModel.getTableName(), new ArrayList<LoadMetadataDetails>());
String segLocation = storeLocation + "/" + databaseName + "/" + tableName + "/Fact/Part0/Segment_0";
File file = new File(segLocation);
File factFile = null;
File[] folderList = file.listFiles();
File folder = null;
for (int i = 0; i < folderList.length; i++) {
if (folderList[i].isDirectory()) {
folder = folderList[i];
}
}
if (folder.isDirectory()) {
File[] files = folder.listFiles();
for (int i = 0; i < files.length; i++) {
if (!files[i].isDirectory() && files[i].getName().startsWith("part")) {
factFile = files[i];
break;
}
}
factFile.renameTo(new File(segLocation + "/" + factFile.getName()));
CarbonUtil.deleteFoldersAndFiles(folder);
}
}
use of org.apache.carbondata.processing.csvload.BlockDetails in project carbondata by apache.
the class StoreCreator method executeGraph.
/**
* Execute graph which will further load data
*
* @param loadModel
* @param storeLocation
* @throws Exception
*/
public static void executeGraph(CarbonLoadModel loadModel, String storeLocation) throws Exception {
new File(storeLocation).mkdirs();
String outPutLoc = storeLocation + "/etl";
String databaseName = loadModel.getDatabaseName();
String tableName = loadModel.getTableName();
String tempLocationKey = databaseName + '_' + tableName + "_1";
CarbonProperties.getInstance().addProperty(tempLocationKey, storeLocation);
CarbonProperties.getInstance().addProperty("store_output_location", outPutLoc);
CarbonProperties.getInstance().addProperty("send.signal.load", "false");
CarbonProperties.getInstance().addProperty("carbon.is.columnar.storage", "true");
CarbonProperties.getInstance().addProperty("carbon.dimension.split.value.in.columnar", "1");
CarbonProperties.getInstance().addProperty("carbon.is.fullyfilled.bits", "true");
CarbonProperties.getInstance().addProperty("is.int.based.indexer", "true");
CarbonProperties.getInstance().addProperty("aggregate.columnar.keyblock", "true");
CarbonProperties.getInstance().addProperty("high.cardinality.value", "100000");
CarbonProperties.getInstance().addProperty("is.compressed.keyblock", "false");
CarbonProperties.getInstance().addProperty("carbon.leaf.node.size", "120000");
String graphPath = outPutLoc + File.separator + loadModel.getDatabaseName() + File.separator + tableName + File.separator + 0 + File.separator + 1 + File.separator + tableName + ".ktr";
File path = new File(graphPath);
if (path.exists()) {
path.delete();
}
SchemaInfo info = new SchemaInfo();
BlockDetails blockDetails = new BlockDetails(new Path(loadModel.getFactFilePath()), 0, new File(loadModel.getFactFilePath()).length(), new String[] { "localhost" });
Configuration configuration = new Configuration();
CSVInputFormat.setCommentCharacter(configuration, loadModel.getCommentChar());
CSVInputFormat.setCSVDelimiter(configuration, loadModel.getCsvDelimiter());
CSVInputFormat.setEscapeCharacter(configuration, loadModel.getEscapeChar());
CSVInputFormat.setHeaderExtractionEnabled(configuration, true);
CSVInputFormat.setQuoteCharacter(configuration, loadModel.getQuoteChar());
CSVInputFormat.setReadBufferSize(configuration, CarbonProperties.getInstance().getProperty(CarbonCommonConstants.CSV_READ_BUFFER_SIZE, CarbonCommonConstants.CSV_READ_BUFFER_SIZE_DEFAULT));
CSVInputFormat.setNumberOfColumns(configuration, String.valueOf(loadModel.getCsvHeaderColumns().length));
CSVInputFormat.setMaxColumns(configuration, "10");
TaskAttemptContextImpl hadoopAttemptContext = new TaskAttemptContextImpl(configuration, new TaskAttemptID("", 1, TaskType.MAP, 0, 0));
CSVInputFormat format = new CSVInputFormat();
RecordReader<NullWritable, StringArrayWritable> recordReader = format.createRecordReader(blockDetails, hadoopAttemptContext);
CSVRecordReaderIterator readerIterator = new CSVRecordReaderIterator(recordReader, blockDetails, hadoopAttemptContext);
new DataLoadExecutor().execute(loadModel, storeLocation, new CarbonIterator[] { readerIterator });
info.setDatabaseName(databaseName);
info.setTableName(tableName);
writeLoadMetadata(loadModel.getCarbonDataLoadSchema(), loadModel.getTableName(), loadModel.getTableName(), new ArrayList<LoadMetadataDetails>());
String segLocation = storeLocation + "/" + databaseName + "/" + tableName + "/Fact/Part0/Segment_0";
File file = new File(segLocation);
File factFile = null;
File[] folderList = file.listFiles();
File folder = null;
for (int i = 0; i < folderList.length; i++) {
if (folderList[i].isDirectory()) {
folder = folderList[i];
}
}
if (folder.isDirectory()) {
File[] files = folder.listFiles();
for (int i = 0; i < files.length; i++) {
if (!files[i].isDirectory() && files[i].getName().startsWith("part")) {
factFile = files[i];
break;
}
}
// Files.copy(factFile.toPath(), file.toPath(), REPLACE_EXISTING);
factFile.renameTo(new File(segLocation + "/" + factFile.getName()));
CarbonUtil.deleteFoldersAndFiles(folder);
}
}
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