1 files changed, 97 insertions, 0 deletions
diff --git a/contrib/format-ltsv/src/main/java/org/apache/drill/exec/store/ltsv/LTSVFormatPlugin.java b/contrib/format-ltsv/src/main/java/org/apache/drill/exec/store/ltsv/LTSVFormatPlugin.java
new file mode 100644
index 000000000..8ff62ed56
--- /dev/null
+++ b/contrib/format-ltsv/src/main/java/org/apache/drill/exec/store/ltsv/LTSVFormatPlugin.java
@@ -0,0 +1,97 @@
+/*
+ * 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.drill.exec.store.ltsv;
+
+import org.apache.drill.common.exceptions.ExecutionSetupException;
+import org.apache.drill.common.expression.SchemaPath;
+import org.apache.drill.common.logical.StoragePluginConfig;
+import org.apache.drill.exec.ops.FragmentContext;
+import org.apache.drill.exec.planner.common.DrillStatsTable.TableStatistics;
+import org.apache.drill.exec.proto.UserBitShared;
+import org.apache.drill.exec.server.DrillbitContext;
+import org.apache.drill.exec.store.RecordReader;
+import org.apache.drill.exec.store.RecordWriter;
+import org.apache.drill.exec.store.dfs.DrillFileSystem;
+import org.apache.drill.exec.store.dfs.easy.EasyFormatPlugin;
+import org.apache.drill.exec.store.dfs.easy.EasyWriter;
+import org.apache.drill.exec.store.dfs.easy.FileWork;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+
+import java.io.IOException;
+import java.util.List;
+
+public class LTSVFormatPlugin extends EasyFormatPlugin<LTSVFormatPluginConfig> {
+
+  private static final boolean IS_COMPRESSIBLE = false;
+
+  private static final String DEFAULT_NAME = "ltsv";
+
+  private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(LTSVFormatPlugin.class);
+
+  public LTSVFormatPlugin(String name, DrillbitContext context, Configuration fsConf, StoragePluginConfig storageConfig) {
+    this(name, context, fsConf, storageConfig, new LTSVFormatPluginConfig());
+  }
+
+  public LTSVFormatPlugin(String name, DrillbitContext context, Configuration fsConf, StoragePluginConfig config, LTSVFormatPluginConfig formatPluginConfig) {
+    super(name, context, fsConf, config, formatPluginConfig, true, false, false, IS_COMPRESSIBLE, formatPluginConfig.getExtensions(), DEFAULT_NAME);
+  }
+
+  @Override
+  public RecordReader getRecordReader(FragmentContext context, DrillFileSystem dfs, FileWork fileWork, List<SchemaPath> columns, String userName) throws ExecutionSetupException {
+    return new LTSVRecordReader(context, fileWork.getPath(), dfs, columns);
+  }
+
+
+  @Override
+  public int getReaderOperatorType() {
+    return UserBitShared.CoreOperatorType.LTSV_SUB_SCAN_VALUE;
+  }
+
+  @Override
+  public int getWriterOperatorType() {
+    throw new UnsupportedOperationException("Drill doesn't currently support writing to LTSV files.");
+  }
+
+  @Override
+  public boolean supportsPushDown() {
+    return true;
+  }
+
+  @Override
+  public RecordWriter getRecordWriter(FragmentContext context, EasyWriter writer) throws IOException {
+    throw new UnsupportedOperationException("Drill doesn't currently support writing to LTSV files.");
+  }
+
+  @Override
+  public boolean supportsStatistics() {
+    return false;
+  }
+
+  @Override
+  public TableStatistics readStatistics(FileSystem fs, Path statsTablePath) throws IOException {
+    throw new UnsupportedOperationException("unimplemented");
+  }
+
+  @Override
+  public void writeStatistics(TableStatistics statistics, FileSystem fs, Path statsTablePath) throws IOException {
+    throw new UnsupportedOperationException("unimplemented");
+  }
+
+}