gr.uoa.di.madgik.hive

Class HiveQLPlanner

java.lang.Object

gr.uoa.di.madgik.hive.HiveQLPlanner

public class HiveQLPlanner
extends Object

This class after parsing a HiveQL query creates an abstract plan.

Author:

john.gerbesiotis - DI NKUA

Constructor Summary

Constructors

Constructor and Description
HiveQLPlanner()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	comressedContentOfFile(File file)
PlanNode	getCreatedPlan()
static List<String>	getNodes(org.antlr.runtime.tree.CommonTree tree, String... path)
static TableDesc	getTablesSource(String table)
void	processLine(String line) Process each HiveQL command separately.
protected static String	removeQuotes(String str)

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveQLPlanner

public HiveQLPlanner()

Method Detail

processLine

public void processLine(String line)
                 throws Exception

Process each HiveQL command separately. Line is split to multiple commands before processing.

Parameters:

line - Multiple queries line

Throws:

Exception - if parsing fails

getCreatedPlan

public PlanNode getCreatedPlan()

getTablesSource

public static TableDesc getTablesSource(String table)

removeQuotes

protected static String removeQuotes(String str)

getNodes

public static List<String> getNodes(org.antlr.runtime.tree.CommonTree tree,
                    String... path)

comressedContentOfFile

public byte[] comressedContentOfFile(File file)