1 files changed, 124 insertions, 0 deletions
diff --git a/bigtop-tests/spec-tests/runtime/src/main/java/org/odpi/specs/runtime/hive/HCatalogMR.java b/bigtop-tests/spec-tests/runtime/src/main/java/org/odpi/specs/runtime/hive/HCatalogMR.java
new file mode 100644
index 00000000..4a733d67
--- /dev/null
+++ b/bigtop-tests/spec-tests/runtime/src/main/java/org/odpi/specs/runtime/hive/HCatalogMR.java
@@ -0,0 +1,124 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.odpi.specs.runtime.hive;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.conf.Configured;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.WritableComparable;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.Mapper;
+import org.apache.hadoop.mapreduce.Reducer;
+import org.apache.hadoop.util.GenericOptionsParser;
+import org.apache.hadoop.util.Tool;
+import org.apache.hive.hcatalog.data.DefaultHCatRecord;
+import org.apache.hive.hcatalog.data.HCatRecord;
+import org.apache.hive.hcatalog.data.schema.HCatSchema;
+import org.apache.hive.hcatalog.data.schema.HCatSchemaUtils;
+import org.apache.hive.hcatalog.mapreduce.HCatInputFormat;
+import org.apache.hive.hcatalog.mapreduce.HCatOutputFormat;
+import org.apache.hive.hcatalog.mapreduce.OutputJobInfo;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.StringTokenizer;
+
+public class HCatalogMR extends Configured implements Tool {
+  private final static String INPUT_SCHEMA = "odpi.test.hcat.schema.input";
+  private final static String OUTPUT_SCHEMA = "odpi.test.hcat.schema.output";
+
+  @Override
+  public int run(String[] args) throws Exception {
+    Configuration conf = getConf();
+    args = new GenericOptionsParser(conf, args).getRemainingArgs();
+
+    String inputTable = args[0];
+    String outputTable = args[1];
+    String inputSchemaStr = args[2];
+    String outputSchemaStr = args[3];
+
+    conf.set(INPUT_SCHEMA, inputSchemaStr);
+    conf.set(OUTPUT_SCHEMA, outputSchemaStr);
+
+    Job job = new Job(conf, "odpi_hcat_test");
+    HCatInputFormat.setInput(job, "default", inputTable);
+
+    job.setInputFormatClass(HCatInputFormat.class);
+    job.setJarByClass(HCatalogMR.class);
+    job.setMapperClass(Map.class);
+    job.setReducerClass(Reduce.class);
+    job.setMapOutputKeyClass(Text.class);
+    job.setMapOutputValueClass(IntWritable.class);
+    job.setOutputKeyClass(WritableComparable.class);
+    job.setOutputValueClass(HCatRecord.class);
+    HCatOutputFormat.setOutput(job, OutputJobInfo.create("default", outputTable, null));
+    HCatOutputFormat.setSchema(job, HCatSchemaUtils.getHCatSchema(outputSchemaStr));
+    job.setOutputFormatClass(HCatOutputFormat.class);
+
+    job.addCacheArchive(new URI("hdfs:/user/gates/hive-hcatalog-core-1.2.1.jar"));
+    job.addCacheArchive(new URI("hdfs:/user/gates/hive-metastore-1.2.1.jar"));
+    job.addCacheArchive(new URI("hdfs:/user/gates/hive-exec-1.2.1.jar"));
+
+    return job.waitForCompletion(true) ? 0 : 1;
+
+
+  }
+  public static class Map extends Mapper<WritableComparable,
+          HCatRecord, Text, IntWritable> {
+    private final static IntWritable one = new IntWritable(1);
+    private Text word = new Text();
+    private HCatSchema inputSchema = null;
+
+    @Override
+    protected void map(WritableComparable key, HCatRecord value, Context context)
+        throws IOException, InterruptedException {
+      if (inputSchema == null) {
+        inputSchema =
+            HCatSchemaUtils.getHCatSchema(context.getConfiguration().get(INPUT_SCHEMA));
+      }
+      String line = value.getString("line", inputSchema);
+      StringTokenizer tokenizer = new StringTokenizer(line);
+      while (tokenizer.hasMoreTokens()) {
+        word.set(tokenizer.nextToken());
+        context.write(word, one);
+      }
+    }
+  }
+
+  public static class Reduce extends Reducer<Text, IntWritable, WritableComparable, HCatRecord> {
+    private HCatSchema outputSchema = null;
+
+    @Override
+    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws
+        IOException, InterruptedException {
+      if (outputSchema == null) {
+        outputSchema =
+            HCatSchemaUtils.getHCatSchema(context.getConfiguration().get(OUTPUT_SCHEMA));
+      }
+      int sum = 0;
+      for (IntWritable i : values) {
+        sum += i.get();
+      }
+      HCatRecord output = new DefaultHCatRecord(2);
+      output.set("word", outputSchema, key);
+      output.set("count", outputSchema, sum);
+      context.write(null, output);
+    }
+  }
+ }