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DataLoadProcessBuilder.java
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/
DataLoadProcessBuilder.java
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/*
* 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.processing.loading;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.apache.carbondata.common.CarbonIterator;
import org.apache.carbondata.common.logging.LogServiceFactory;
import org.apache.carbondata.core.constants.CarbonCommonConstants;
import org.apache.carbondata.core.constants.CarbonLoadOptionConstants;
import org.apache.carbondata.core.constants.SortScopeOptions;
import org.apache.carbondata.core.datastore.TableSpec;
import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
import org.apache.carbondata.core.metadata.datatype.DataTypes;
import org.apache.carbondata.core.metadata.schema.SortColumnRangeInfo;
import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;
import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension;
import org.apache.carbondata.core.metadata.schema.table.column.CarbonMeasure;
import org.apache.carbondata.core.util.CarbonProperties;
import org.apache.carbondata.processing.loading.constants.DataLoadProcessorConstants;
import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingException;
import org.apache.carbondata.processing.loading.model.CarbonLoadModel;
import org.apache.carbondata.processing.loading.steps.CarbonRowDataWriterProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.DataConverterProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.DataWriterBatchProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.DataWriterProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.InputProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.InputProcessorStepWithNoConverterImpl;
import org.apache.carbondata.processing.loading.steps.JsonInputProcessorStepImpl;
import org.apache.carbondata.processing.loading.steps.SortProcessorStepImpl;
import org.apache.carbondata.processing.util.CarbonDataProcessorUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
/**
* It builds the pipe line of steps for loading data to carbon.
*/
public final class DataLoadProcessBuilder {
private static final Logger LOGGER =
LogServiceFactory.getLogService(DataLoadProcessBuilder.class.getName());
public AbstractDataLoadProcessorStep build(CarbonLoadModel loadModel, String[] storeLocation,
CarbonIterator[] inputIterators) throws Exception {
CarbonDataLoadConfiguration configuration = createConfiguration(loadModel, storeLocation);
SortScopeOptions.SortScope sortScope = CarbonDataProcessorUtil.getSortScope(configuration);
if (loadModel.isLoadWithoutConverterStep()) {
return buildInternalWithNoConverter(inputIterators, configuration, sortScope);
} else if (loadModel.isJsonFileLoad()) {
return buildInternalWithJsonInputProcessor(inputIterators, configuration, sortScope);
} else if (!configuration.isSortTable() || sortScope.equals(
SortScopeOptions.SortScope.NO_SORT)) {
return buildInternalForNoSort(inputIterators, configuration);
} else if (configuration.getBucketingInfo() != null) {
return buildInternalForBucketing(inputIterators, configuration);
} else if (sortScope.equals(SortScopeOptions.SortScope.BATCH_SORT)) {
return buildInternalForBatchSort(inputIterators, configuration);
} else {
return buildInternal(inputIterators, configuration);
}
}
private AbstractDataLoadProcessorStep buildInternal(CarbonIterator[] inputIterators,
CarbonDataLoadConfiguration configuration) {
// 1. Reads the data input iterators and parses the data.
AbstractDataLoadProcessorStep inputProcessorStep =
new InputProcessorStepImpl(configuration, inputIterators);
// 2. Converts the data like dictionary or non dictionary or complex objects depends on
// data types and configurations.
AbstractDataLoadProcessorStep converterProcessorStep =
new DataConverterProcessorStepImpl(configuration, inputProcessorStep);
// 3. Sorts the data by SortColumn
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, converterProcessorStep);
// 4. Writes the sorted data in carbondata format.
return new DataWriterProcessorStepImpl(configuration, sortProcessorStep);
}
private AbstractDataLoadProcessorStep buildInternalForNoSort(CarbonIterator[] inputIterators,
CarbonDataLoadConfiguration configuration) {
// 1. Reads the data input iterators and parses the data.
AbstractDataLoadProcessorStep inputProcessorStep =
new InputProcessorStepImpl(configuration, inputIterators);
// 2. Converts the data like dictionary or non dictionary or complex objects depends on
// data types and configurations.
AbstractDataLoadProcessorStep converterProcessorStep =
new DataConverterProcessorStepImpl(configuration, inputProcessorStep);
// 3. Writes the sorted data in carbondata format.
return new CarbonRowDataWriterProcessorStepImpl(configuration, converterProcessorStep);
}
/**
* Build pipe line for Load without Conversion Step.
*/
private AbstractDataLoadProcessorStep buildInternalWithNoConverter(
CarbonIterator[] inputIterators, CarbonDataLoadConfiguration configuration,
SortScopeOptions.SortScope sortScope) {
// Wraps with dummy processor.
AbstractDataLoadProcessorStep inputProcessorStep =
new InputProcessorStepWithNoConverterImpl(configuration, inputIterators);
if (sortScope.equals(SortScopeOptions.SortScope.LOCAL_SORT)) {
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, inputProcessorStep);
// Writes the sorted data in carbondata format.
return new DataWriterProcessorStepImpl(configuration, sortProcessorStep);
} else if (sortScope.equals(SortScopeOptions.SortScope.BATCH_SORT)) {
// Sorts the data by SortColumn or not
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, inputProcessorStep);
// Writes the sorted data in carbondata format.
return new DataWriterBatchProcessorStepImpl(configuration, sortProcessorStep);
} else {
// In all other cases like global sort and no sort uses this step
return new CarbonRowDataWriterProcessorStepImpl(configuration, inputProcessorStep);
}
}
/**
* Build pipe line for Load with json input processor.
*/
private AbstractDataLoadProcessorStep buildInternalWithJsonInputProcessor(
CarbonIterator[] inputIterators, CarbonDataLoadConfiguration configuration,
SortScopeOptions.SortScope sortScope) {
// currently row by row conversion of string json to carbon row is supported.
AbstractDataLoadProcessorStep inputProcessorStep =
new JsonInputProcessorStepImpl(configuration, inputIterators);
// 2. Converts the data like dictionary or non dictionary or complex objects depends on
// data types and configurations.
AbstractDataLoadProcessorStep converterProcessorStep =
new DataConverterProcessorStepImpl(configuration, inputProcessorStep);
if (sortScope.equals(SortScopeOptions.SortScope.LOCAL_SORT)) {
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, converterProcessorStep);
// Writes the sorted data in carbondata format.
return new DataWriterProcessorStepImpl(configuration, sortProcessorStep);
} else if (sortScope.equals(SortScopeOptions.SortScope.BATCH_SORT)) {
// Sorts the data by SortColumn or not
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, converterProcessorStep);
// Writes the sorted data in carbondata format.
return new DataWriterBatchProcessorStepImpl(configuration, sortProcessorStep);
} else {
// In all other cases like global sort and no sort uses this step
return new CarbonRowDataWriterProcessorStepImpl(configuration, converterProcessorStep);
}
}
private AbstractDataLoadProcessorStep buildInternalForBatchSort(CarbonIterator[] inputIterators,
CarbonDataLoadConfiguration configuration) {
// 1. Reads the data input iterators and parses the data.
AbstractDataLoadProcessorStep inputProcessorStep =
new InputProcessorStepImpl(configuration, inputIterators);
// 2. Converts the data like dictionary or non dictionary or complex objects depends on
// data types and configurations.
AbstractDataLoadProcessorStep converterProcessorStep =
new DataConverterProcessorStepImpl(configuration, inputProcessorStep);
// 3. Sorts the data by SortColumn or not
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, converterProcessorStep);
// 4. Writes the sorted data in carbondata format.
return new DataWriterBatchProcessorStepImpl(configuration, sortProcessorStep);
}
private AbstractDataLoadProcessorStep buildInternalForBucketing(CarbonIterator[] inputIterators,
CarbonDataLoadConfiguration configuration) throws Exception {
// 1. Reads the data input iterators and parses the data.
AbstractDataLoadProcessorStep inputProcessorStep =
new InputProcessorStepImpl(configuration, inputIterators);
// 2. Converts the data like dictionary or non dictionary or complex objects depends on
// data types and configurations.
AbstractDataLoadProcessorStep converterProcessorStep =
new DataConverterProcessorStepImpl(configuration, inputProcessorStep);
// 3. Sorts the data by SortColumn or not
AbstractDataLoadProcessorStep sortProcessorStep =
new SortProcessorStepImpl(configuration, converterProcessorStep);
// 4. Writes the sorted data in carbondata format.
return new DataWriterProcessorStepImpl(configuration, sortProcessorStep);
}
public static CarbonDataLoadConfiguration createConfiguration(CarbonLoadModel loadModel,
String[] storeLocation) {
CarbonDataProcessorUtil.createLocations(storeLocation);
String databaseName = loadModel.getDatabaseName();
String tableName = loadModel.getTableName();
String tempLocationKey = CarbonDataProcessorUtil
.getTempStoreLocationKey(databaseName, tableName, loadModel.getSegmentId(),
loadModel.getTaskNo(), false, false);
CarbonProperties.getInstance().addProperty(tempLocationKey,
StringUtils.join(storeLocation, File.pathSeparator));
return createConfiguration(loadModel);
}
public static CarbonDataLoadConfiguration createConfiguration(CarbonLoadModel loadModel) {
CarbonDataLoadConfiguration configuration = new CarbonDataLoadConfiguration();
CarbonTable carbonTable = loadModel.getCarbonDataLoadSchema().getCarbonTable();
AbsoluteTableIdentifier identifier = carbonTable.getAbsoluteTableIdentifier();
configuration.setParentTablePath(loadModel.getParentTablePath());
configuration.setTableIdentifier(identifier);
configuration.setCarbonTransactionalTable(loadModel.isCarbonTransactionalTable());
configuration.setSchemaUpdatedTimeStamp(carbonTable.getTableLastUpdatedTime());
configuration.setHeader(loadModel.getCsvHeaderColumns());
configuration.setSegmentId(loadModel.getSegmentId());
configuration.setTaskNo(loadModel.getTaskNo());
configuration.setDataLoadProperty(DataLoadProcessorConstants.COMPLEX_DELIMITERS,
new String[] { loadModel.getComplexDelimiterLevel1(),
loadModel.getComplexDelimiterLevel2() });
configuration.setDataLoadProperty(DataLoadProcessorConstants.SERIALIZATION_NULL_FORMAT,
loadModel.getSerializationNullFormat().split(",")[1]);
configuration.setDataLoadProperty(DataLoadProcessorConstants.FACT_TIME_STAMP,
loadModel.getFactTimeStamp());
configuration.setDataLoadProperty(DataLoadProcessorConstants.BAD_RECORDS_LOGGER_ENABLE,
loadModel.getBadRecordsLoggerEnable().split(",")[1]);
configuration.setDataLoadProperty(DataLoadProcessorConstants.BAD_RECORDS_LOGGER_ACTION,
loadModel.getBadRecordsAction().split(",")[1]);
configuration.setDataLoadProperty(DataLoadProcessorConstants.IS_EMPTY_DATA_BAD_RECORD,
loadModel.getIsEmptyDataBadRecord().split(",")[1]);
configuration.setDataLoadProperty(DataLoadProcessorConstants.SKIP_EMPTY_LINE,
loadModel.getSkipEmptyLine());
configuration.setDataLoadProperty(DataLoadProcessorConstants.FACT_FILE_PATH,
loadModel.getFactFilePath());
configuration.setParentTablePath(loadModel.getParentTablePath());
configuration
.setDataLoadProperty(CarbonCommonConstants.LOAD_SORT_SCOPE, loadModel.getSortScope());
configuration.setDataLoadProperty(CarbonCommonConstants.LOAD_BATCH_SORT_SIZE_INMB,
loadModel.getBatchSortSizeInMb());
configuration.setDataLoadProperty(CarbonCommonConstants.LOAD_GLOBAL_SORT_PARTITIONS,
loadModel.getGlobalSortPartitions());
configuration.setDataLoadProperty(CarbonLoadOptionConstants.CARBON_OPTIONS_BAD_RECORD_PATH,
loadModel.getBadRecordsLocation());
List<CarbonDimension> dimensions =
carbonTable.getDimensionByTableName(carbonTable.getTableName());
List<CarbonMeasure> measures =
carbonTable.getMeasureByTableName(carbonTable.getTableName());
List<DataField> dataFields = new ArrayList<>();
List<DataField> complexDataFields = new ArrayList<>();
// First add dictionary and non dictionary dimensions because these are part of mdk key.
// And then add complex data types and measures.
for (CarbonColumn column : dimensions) {
DataField dataField = new DataField(column);
if (column.getDataType() == DataTypes.DATE) {
dataField.setDateFormat(loadModel.getDateFormat());
column.setDateFormat(loadModel.getDateFormat());
} else if (column.getDataType() == DataTypes.TIMESTAMP) {
dataField.setTimestampFormat(loadModel.getTimestampformat());
column.setTimestampFormat(loadModel.getTimestampformat());
}
if (column.isComplex()) {
complexDataFields.add(dataField);
List<CarbonDimension> childDimensions =
((CarbonDimension) dataField.getColumn()).getListOfChildDimensions();
for (CarbonDimension childDimension : childDimensions) {
if (childDimension.getDataType() == DataTypes.DATE) {
childDimension.setDateFormat(loadModel.getDateFormat());
} else if (childDimension.getDataType() == DataTypes.TIMESTAMP) {
childDimension.setTimestampFormat(loadModel.getTimestampformat());
}
}
} else {
dataFields.add(dataField);
}
}
dataFields.addAll(complexDataFields);
for (CarbonColumn column : measures) {
// This dummy measure is added when no measure was present. We no need to load it.
if (!(column.getColName().equals("default_dummy_measure"))) {
dataFields.add(new DataField(column));
}
}
configuration.setDataFields(dataFields.toArray(new DataField[dataFields.size()]));
configuration.setBucketingInfo(carbonTable.getBucketingInfo(carbonTable.getTableName()));
// configuration for one pass load: dictionary server info
configuration.setUseOnePass(loadModel.getUseOnePass());
configuration.setDictionaryServerHost(loadModel.getDictionaryServerHost());
configuration.setDictionaryServerPort(loadModel.getDictionaryServerPort());
configuration.setDictionaryServerSecretKey(loadModel.getDictionaryServerSecretKey());
configuration.setDictionaryEncryptServerSecure(loadModel.getDictionaryEncryptServerSecure());
configuration.setDictionaryServiceProvider(loadModel.getDictionaryServiceProvider());
configuration.setPreFetch(loadModel.isPreFetch());
configuration.setNumberOfSortColumns(carbonTable.getNumberOfSortColumns());
configuration.setNumberOfNoDictSortColumns(carbonTable.getNumberOfNoDictSortColumns());
configuration.setDataWritePath(loadModel.getDataWritePath());
setSortColumnInfo(carbonTable, loadModel, configuration);
// For partition loading always use single core as it already runs in multiple
// threads per partition
if (carbonTable.isHivePartitionTable()) {
configuration.setWritingCoresCount((short) 1);
}
TableSpec tableSpec = new TableSpec(carbonTable);
configuration.setTableSpec(tableSpec);
if (loadModel.getSdkWriterCores() > 0) {
configuration.setWritingCoresCount(loadModel.getSdkWriterCores());
}
configuration.setNumberOfLoadingCores(CarbonProperties.getInstance().getNumberOfLoadingCores());
configuration.setColumnCompressor(loadModel.getColumnCompressor());
return configuration;
}
/**
* set sort column info in configuration
* @param carbonTable carbon table
* @param loadModel load model
* @param configuration configuration
*/
private static void setSortColumnInfo(CarbonTable carbonTable, CarbonLoadModel loadModel,
CarbonDataLoadConfiguration configuration) {
List<String> sortCols = carbonTable.getSortColumns(carbonTable.getTableName());
SortScopeOptions.SortScope sortScope = SortScopeOptions.getSortScope(loadModel.getSortScope());
if (!SortScopeOptions.SortScope.LOCAL_SORT.equals(sortScope)
|| sortCols.size() == 0
|| StringUtils.isBlank(loadModel.getSortColumnsBoundsStr())) {
if (!StringUtils.isBlank(loadModel.getSortColumnsBoundsStr())) {
LOGGER.warn("sort column bounds will be ignored");
}
configuration.setSortColumnRangeInfo(null);
return;
}
// column index for sort columns
int[] sortColIndex = new int[sortCols.size()];
boolean[] isSortColNoDict = new boolean[sortCols.size()];
DataField[] outFields = configuration.getDataFields();
int j = 0;
boolean columnExist;
for (String sortCol : sortCols) {
columnExist = false;
for (int i = 0; !columnExist && i < outFields.length; i++) {
if (outFields[i].getColumn().getColName().equalsIgnoreCase(sortCol)) {
columnExist = true;
sortColIndex[j] = i;
isSortColNoDict[j] = !outFields[i].hasDictionaryEncoding();
j++;
}
}
if (!columnExist) {
throw new CarbonDataLoadingException("Field " + sortCol + " does not exist.");
}
}
String[] sortColumnBounds = StringUtils.splitPreserveAllTokens(
loadModel.getSortColumnsBoundsStr(),
CarbonLoadOptionConstants.SORT_COLUMN_BOUNDS_ROW_DELIMITER, -1);
for (String bound : sortColumnBounds) {
String[] fieldInBounds = StringUtils.splitPreserveAllTokens(bound,
CarbonLoadOptionConstants.SORT_COLUMN_BOUNDS_FIELD_DELIMITER, -1);
if (fieldInBounds.length != sortCols.size()) {
String msg = new StringBuilder(
"The number of field in bounds should be equal to that in sort columns.")
.append(" Expected ").append(sortCols.size())
.append(", actual ").append(String.valueOf(fieldInBounds.length)).append(".")
.append(" The illegal bound is '").append(bound).append("'.").toString();
throw new CarbonDataLoadingException(msg);
}
}
SortColumnRangeInfo sortColumnRangeInfo = new SortColumnRangeInfo(sortColIndex,
isSortColNoDict,
sortColumnBounds,
CarbonLoadOptionConstants.SORT_COLUMN_BOUNDS_FIELD_DELIMITER);
configuration.setSortColumnRangeInfo(sortColumnRangeInfo);
}
}