org.apache.lens.driver.jdbc

Class JDBCDriver.DummyQueryRewriter

java.lang.Object

org.apache.lens.driver.jdbc.JDBCDriver.DummyQueryRewriter

All Implemented Interfaces:

QueryRewriter

Enclosing class:

JDBCDriver

public static class JDBCDriver.DummyQueryRewriter
extends Object
implements QueryRewriter

The Class DummyQueryRewriter.

Constructor Summary

Constructors

Constructor and Description
JDBCDriver.DummyQueryRewriter()

Method Summary

Methods

Modifier and Type	Method and Description
void	init(org.apache.hadoop.conf.Configuration rewriteConf) Set conf for the rewriter
String	rewrite(String query, org.apache.hadoop.conf.Configuration queryConf, org.apache.hadoop.hive.conf.HiveConf metastoreConf) Rewrite.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCDriver.DummyQueryRewriter

public JDBCDriver.DummyQueryRewriter()

Method Detail

rewrite

public String rewrite(String query,
             org.apache.hadoop.conf.Configuration queryConf,
             org.apache.hadoop.hive.conf.HiveConf metastoreConf)
               throws LensException

Description copied from interface: QueryRewriter

Rewrite.

Specified by:

rewrite in interface QueryRewriter

Parameters:

query - the query

queryConf - the query configuration

metastoreConf - The metastore configuration. If rewriters requires to access metastore, this configuration needs to passed

Returns:

the string

Throws:

LensException - the lens exception

init

public void init(org.apache.hadoop.conf.Configuration rewriteConf)

Description copied from interface: QueryRewriter

Set conf for the rewriter

Specified by:

init in interface QueryRewriter

Parameters:

rewriteConf - Configuration required for rewriter init