org.basex.query.up
Class Delete

java.lang.Object
  org.basex.query.ExprInfo
      org.basex.query.expr.Expr
          org.basex.query.expr.Arr
              org.basex.query.up.Update
                  org.basex.query.up.Delete

public final class Delete
extends Update

Delete expression.

Author:

Workgroup DBIS, University of Konstanz 2005-10, ISC License, Lukas Kircher

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields inherited from class org.basex.query.expr.Arr

expr

Constructor Summary

Delete(Expr r)
Constructor.

Method Summary

Seq	atomic(QueryContext ctx) Evaluates the expression and returns the resulting item or a null reference.
String	toString()

Methods inherited from class org.basex.query.up.Update

uses

Methods inherited from class org.basex.query.expr.Arr

comp, duplicates, indexEquivalent, plan, removable, remove

Methods inherited from class org.basex.query.expr.Expr

addText, checkCtx, checkDbl, checkItr, e, ebv, i, indexAccessible, iter, returned, sameAs, size, test, v

Methods inherited from class org.basex.query.ExprInfo

color, info, name

Methods inherited from class java.lang.Object

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

Constructor Detail

Delete

public Delete(Expr r)

Constructor.

Parameters:

r - return expression

Method Detail

atomic

public Seq atomic(QueryContext ctx)
           throws QueryException

Description copied from class: Expr

Evaluates the expression and returns the resulting item or a null reference. If this method is not overwritten, Expr.iter(org.basex.query.QueryContext) must be implemented.

Overrides:

atomic in class Expr

Parameters:

ctx - query context

Returns:

iterator

Throws:

QueryException - query exception

toString

public String toString()

Specified by:

toString in class ExprInfo