eu.stratosphere.example.java.record.relational

Class TPCHQueryAsterix

java.lang.Object

eu.stratosphere.example.java.record.relational.TPCHQueryAsterix

All Implemented Interfaces:

Program, ProgramDescription

public class TPCHQueryAsterix
extends Object
implements Program, ProgramDescription

The TPC-H is a decision support benchmark on relational data. Its documentation and the data generator (DBGEN) can be found on http://www.tpc.org/tpch/ .This implementation is tested with the DB2 data format. This PACT program implements a query on the TPC-H schema including one join and an aggregation. This query is used as example in the Asterix project (http://asterix.ics.uci.edu/). SELECT c_mktsegment, COUNT(o_orderkey) FROM orders, customer WHERE c_custkey = o_custkey GROUP BY c_mktsegment;

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TPCHQueryAsterix.AggCO Reduce PACT implements the aggregation of the results.
static class	TPCHQueryAsterix.JoinCO Realizes the join between Customers and Order table.

Constructor Summary

Constructors

Constructor and Description
TPCHQueryAsterix()

Method Summary

Methods

Modifier and Type	Method and Description
String	getDescription()
Plan	getPlan(String... args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TPCHQueryAsterix

public TPCHQueryAsterix()

Method Detail

getPlan

public Plan getPlan(String... args)

Specified by:

getPlan in interface Program

getDescription

public String getDescription()

Specified by:

getDescription in interface ProgramDescription