com.orientechnologies.orient.core.sql.parser

Class OFunctionCall

java.lang.Object

com.orientechnologies.orient.core.sql.parser.SimpleNode

com.orientechnologies.orient.core.sql.parser.OFunctionCall

All Implemented Interfaces:

Node

public class OFunctionCall
extends SimpleNode

Field Summary

Fields

Modifier and Type	Field and Description
protected OIdentifier	name
protected List<OExpression>	params
protected boolean	star

Fields inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

children, firstToken, id, lastToken, parent, parser, value

Constructor Summary

Constructors

Constructor and Description
OFunctionCall(int id)
OFunctionCall(OrientSql p, int id)

Method Summary

Modifier and Type	Method and Description
long	estimateIndexedFunction(OFromClause target, OCommandContext ctx, OBinaryCompareOperator operator, Object rightValue)
Object	execute(Object targetObjects, OCommandContext ctx)
Iterable<OIdentifiable>	executeIndexedFunction(OFromClause target, OCommandContext ctx, OBinaryCompareOperator operator, Object rightValue) see OIndexableSQLFunction.searchFromTarget()
static ODatabaseDocumentInternal	getDatabase()
List<OExpression>	getParams()
boolean	isIndexedFunctionCall()
boolean	isStar()
Object	jjtAccept(OrientSqlVisitor visitor, Object data) Accept the visitor.
void	setParams(List<OExpression> params)
void	setStar(boolean star)
void	toString(Map<Object,Object> params, StringBuilder builder)

Methods inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

childrenAccept, dump, getValue, jjtAddChild, jjtClose, jjtGetChild, jjtGetFirstToken, jjtGetLastToken, jjtGetNumChildren, jjtGetParent, jjtGetValue, jjtOpen, jjtSetFirstToken, jjtSetLastToken, jjtSetParent, jjtSetValue, toString, toString

Methods inherited from class java.lang.Object

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

Field Detail

name

protected OIdentifier name

star

protected boolean star

params

protected List<OExpression> params

Constructor Detail

OFunctionCall

public OFunctionCall(int id)

OFunctionCall

public OFunctionCall(OrientSql p,
                     int id)

Method Detail

jjtAccept

public Object jjtAccept(OrientSqlVisitor visitor,
                        Object data)

Accept the visitor. *

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

isStar

public boolean isStar()

setStar

public void setStar(boolean star)

getParams

public List<OExpression> getParams()

setParams

public void setParams(List<OExpression> params)

toString

public void toString(Map<Object,Object> params,
                     StringBuilder builder)

Overrides:

toString in class SimpleNode

execute

public Object execute(Object targetObjects,
                      OCommandContext ctx)

getDatabase

public static ODatabaseDocumentInternal getDatabase()

isIndexedFunctionCall

public boolean isIndexedFunctionCall()

executeIndexedFunction

public Iterable<OIdentifiable> executeIndexedFunction(OFromClause target,
                                                      OCommandContext ctx,
                                                      OBinaryCompareOperator operator,
                                                      Object rightValue)

see OIndexableSQLFunction.searchFromTarget()

Parameters:

target -

ctx -

operator -

rightValue -

Returns:

estimateIndexedFunction

public long estimateIndexedFunction(OFromClause target,
                                    OCommandContext ctx,
                                    OBinaryCompareOperator operator,
                                    Object rightValue)

Parameters:

target - query target

ctx - execution context

operator - operator at the right of the function

rightValue - value to compare to funciton result

Returns:

the approximate number of items returned by the condition execution, -1 if the extimation cannot be executed