public Job getJob() throws IOException {
Configuration conf = getConf();
Job job = new Job(conf);
conf = job.getConfiguration();
conf.set("mapreduce.job.tracker", "local");
job.setJobName("vertica test");
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(VerticaRecord.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(DoubleWritable.class);
job.setInputFormatClass(VerticaInputFormat.class);
job.setOutputFormatClass(VerticaOutputFormat.class);
job.setJarByClass(VerticaExample.class);
job.setMapperClass(Map.class);
job.setReducerClass(Reduce.class);
VerticaOutputFormat.setOutput(
job,
"mrtarget",
true,
"a int",
"b boolean",
"c char(1)",
"d date",
"f float",
"t timestamp",
"v varchar",
"z varbinary");
return job;
}
@SuppressWarnings("serial")
@Override
public int run(String[] args) throws Exception {
Job job = getJob();
VerticaOutputFormat.setOutput(
job,
"mrtarget",
true,
"a int",
"b boolean",
"c char(1)",
"d date",
"f float",
"t timestamp",
"v varchar",
"z varbinary");
VerticaInputFormat.setInput(
job, "select * from allTypes where key = ?", "select distinct key from allTypes");
job.waitForCompletion(true);
job = getJob();
Collection<List<Object>> params = new HashSet<List<Object>>() {};
List<Object> param = new ArrayList<Object>();
param.add(new Integer(0));
params.add(param);
VerticaInputFormat.setInput(job, "select * from allTypes where key = ?", params);
job.waitForCompletion(true);
job = getJob();
VerticaInputFormat.setInput(job, "select * from allTypes where key = ?", "0", "1", "2");
job.waitForCompletion(true);
return 0;
}
