Class OptimizerPlan.RowSource<D extends UniqueTupleDescriptor>

java.lang.Object

org.apache.derby.iapi.sql.compile.OptimizerPlan

org.apache.derby.iapi.sql.compile.OptimizerPlan.RowSource<D>

Direct Known Subclasses:

OptimizerPlan.ConglomerateRS, OptimizerPlan.TableFunctionRS

Enclosing class:

OptimizerPlan

public abstract static class OptimizerPlan.RowSource<D extends UniqueTupleDescriptor>
extends OptimizerPlan

Nested Class Summary

Nested classes/interfaces inherited from class OptimizerPlan

OptimizerPlan.ConglomerateRS, OptimizerPlan.DeadEnd, OptimizerPlan.Join, OptimizerPlan.RowSource<D>, OptimizerPlan.TableFunctionRS

Field Summary

Fields

Modifier and Type	Field	Description
protected D	_descriptor
protected String	_rowSourceName
protected SchemaDescriptor	_schema
protected String	_schemaName

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RowSource()
	RowSource(String schemaName, String rowSourceName)

Method Summary

Modifier and Type	Method	Description
void	bind(DataDictionary dataDictionary, LanguageConnectionContext lcc, CompilerContext cc)	Bind the conglomerate and table function names in this plan.
int	countLeafNodes()	Count the number of leaf nodes under (and including) this node.
boolean	equals(Object other)
D	getDescriptor()	Get the UniqueTupleDescriptor bound to this RowSource
boolean	isBound()	Return true if this the schema and RowSource names have been resolved.
boolean	isLeftPrefixOf(OptimizerPlan that)	Return true if this plan is a (left) leading prefix of the other plan.
OptimizerPlan	leftmostLeaf()	Get the leftmost leaf node in this plan.
String	toString()

Methods inherited from class OptimizerPlan

makeRowSource

Methods inherited from class Object

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

Field Details

_schemaName

protected String _schemaName

_rowSourceName

protected String _rowSourceName

_schema

protected SchemaDescriptor _schema

_descriptor

protected D extends UniqueTupleDescriptor _descriptor

Constructor Details

RowSource

public RowSource(String schemaName,
 String rowSourceName)

RowSource

protected RowSource()

Method Details

getDescriptor

public D getDescriptor()

Get the UniqueTupleDescriptor bound to this RowSource

bind

public void bind(DataDictionary dataDictionary,
 LanguageConnectionContext lcc,
 CompilerContext cc)
          throws StandardException

Description copied from class: OptimizerPlan

Bind the conglomerate and table function names in this plan.

Specified by:

bind in class OptimizerPlan

Parameters:

dataDictionary - DataDictionary to bind against.

Throws:

StandardException

isBound

public boolean isBound()

Description copied from class: OptimizerPlan

Return true if this the schema and RowSource names have been resolved.

Specified by:

isBound in class OptimizerPlan

countLeafNodes

public int countLeafNodes()

Description copied from class: OptimizerPlan

Count the number of leaf nodes under (and including) this node.

Specified by:

countLeafNodes in class OptimizerPlan

leftmostLeaf

public OptimizerPlan leftmostLeaf()

Description copied from class: OptimizerPlan

Get the leftmost leaf node in this plan.

Specified by:

leftmostLeaf in class OptimizerPlan

isLeftPrefixOf

public boolean isLeftPrefixOf(OptimizerPlan that)

Description copied from class: OptimizerPlan

Return true if this plan is a (left) leading prefix of the other plan.

Specified by:

isLeftPrefixOf in class OptimizerPlan

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object