Github user jackylk commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/620#discussion_r105895986
--- Diff:
processing/src/main/java/org/apache/carbondata/processing/newflow/steps/DataWriterBatchProcessorStepImpl.java
---
@@ -0,0 +1,206 @@
+/*
+ * 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.newflow.steps;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Iterator;
+
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
+import org.apache.carbondata.core.constants.IgnoreDictionary;
+import org.apache.carbondata.core.datastore.block.SegmentProperties;
+import org.apache.carbondata.core.metadata.CarbonTableIdentifier;
+import org.apache.carbondata.core.util.CarbonTimeStatisticsFactory;
+import
org.apache.carbondata.processing.newflow.AbstractDataLoadProcessorStep;
+import
org.apache.carbondata.processing.newflow.CarbonDataLoadConfiguration;
+import org.apache.carbondata.processing.newflow.DataField;
+import
org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException;
+import org.apache.carbondata.processing.newflow.row.CarbonRow;
+import org.apache.carbondata.processing.newflow.row.CarbonRowBatch;
+import org.apache.carbondata.processing.store.CarbonFactDataHandlerModel;
+import org.apache.carbondata.processing.store.CarbonFactHandler;
+import org.apache.carbondata.processing.store.CarbonFactHandlerFactory;
+import
org.apache.carbondata.processing.store.writer.exception.CarbonDataWriterException;
+import org.apache.carbondata.processing.util.CarbonDataProcessorUtil;
+
+/**
+ * It reads data from sorted files which are generated in previous sort
step.
+ * And it writes data to carbondata file. It also generates mdk key while
writing to carbondata file
+ */
+public class DataWriterBatchProcessorStepImpl extends
AbstractDataLoadProcessorStep {
+
+ private static final LogService LOGGER =
+
LogServiceFactory.getLogService(DataWriterBatchProcessorStepImpl.class.getName());
+
+ private int noDictionaryCount;
+
+ private int complexDimensionCount;
+
+ private int measureCount;
+
+ private int measureIndex =
IgnoreDictionary.MEASURES_INDEX_IN_ROW.getIndex();
+
+ private int noDimByteArrayIndex =
IgnoreDictionary.BYTE_ARRAY_INDEX_IN_ROW.getIndex();
+
+ private int dimsArrayIndex =
IgnoreDictionary.DIMENSION_INDEX_IN_ROW.getIndex();
+
+ public DataWriterBatchProcessorStepImpl(CarbonDataLoadConfiguration
configuration,
+ AbstractDataLoadProcessorStep child) {
+ super(configuration, child);
+ }
+
+ @Override public DataField[] getOutput() {
+ return child.getOutput();
+ }
+
+ @Override public void initialize() throws IOException {
+ child.initialize();
+ }
+
+ private String getStoreLocation(CarbonTableIdentifier tableIdentifier,
String partitionId) {
+ String storeLocation = CarbonDataProcessorUtil
+ .getLocalDataFolderLocation(tableIdentifier.getDatabaseName(),
+ tableIdentifier.getTableName(),
String.valueOf(configuration.getTaskNo()), partitionId,
+ configuration.getSegmentId() + "", false);
+ new File(storeLocation).mkdirs();
--- End diff --
How about if the dir already exist?
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