Package se.liu.ida.hefquin.engine.queryproc.impl.compiler

Class IteratorBasedQueryPlanCompilerImpl

java.lang.Object

se.liu.ida.hefquin.engine.queryproc.impl.compiler.QueryPlanCompilerBase

se.liu.ida.hefquin.engine.queryproc.impl.compiler.IteratorBasedQueryPlanCompilerImpl

All Implemented Interfaces:

QueryPlanCompiler

public class IteratorBasedQueryPlanCompilerImpl
extends QueryPlanCompilerBase

Field Summary

Fields inherited from class se.liu.ida.hefquin.engine.queryproc.impl.compiler.QueryPlanCompilerBase

ctxt

Constructor Summary

Constructors

Constructor	Description
IteratorBasedQueryPlanCompilerImpl(QueryProcContext ctxt)

Method Summary

Modifier and Type	Method	Description
ExecutablePlan	compile(PhysicalPlan qep)
protected ResultElementIterator	compile(PhysicalPlan qep, ExecutionContext execCxt)
protected ResultBlockIterator	createBlockIterator(ResultElementIterator elmtIter, int preferredBlockSize)

Methods inherited from class se.liu.ida.hefquin.engine.queryproc.impl.compiler.QueryPlanCompilerBase

createExecContext

Methods inherited from class java.lang.Object

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

Constructor Details

IteratorBasedQueryPlanCompilerImpl

public IteratorBasedQueryPlanCompilerImpl(QueryProcContext ctxt)

Method Details

compile

public ExecutablePlan compile(PhysicalPlan qep)
                       throws QueryCompilationException

Throws:

QueryCompilationException

compile

protected ResultElementIterator compile(PhysicalPlan qep,
 ExecutionContext execCxt)

createBlockIterator

protected ResultBlockIterator createBlockIterator(ResultElementIterator elmtIter,
 int preferredBlockSize)