<?php
/*
=============================================================================================================================================
| This file is part of a project released under the terms of the Xyndravandria PHP License (XyndravandriaPHPLicense.txt). |
| |
| You should be given a copy of the Xyndravandria PHP License (XyndravandriaPHPLicense.txt) within the same directory as the README.md; |
| if not, you can get a copy at http://Xyndravandria.ohost.de/XyndravandriaPHPLicense.txt . |
| |
| The copyright (c) of this project is owned by Mauro Di Girolamo <maurodigirolamo@.web.de>. |
============================================================================================================================================|
Xyndravandria Dyverath
----------------------
Alpha 0.0.0
Xyndravandria is the name of a collection of projects designed and developed by Mauro Di Girolamo (maurodigirolamo@web.de); he is therefore the copyright (c) owner of Xyndravandria itself and all of its projects.
Xyndravandria Dyverath is released under the terms of the Xyndravandria PHP License (XyndravandriaPHPLicense.txt). You should be given a copy of the Xyndravandria PHP License (XyndravandriaPHPLicense.txt) within the same directory as the README.md; if not, you can get a copy at http://Xyndravandria.ohost.de/XyndravandriaPHPLicense.txt . There might be a release under a freer license for a later, more stable version.
The documentation is either included in ./admin_media/Documentation/ or can be read at http://Xyndravandria.ohost.de/Dyverath/Documentation/.
All projects:
Xyndravandria Averazain
http://github.com/MauroDiGirolamo/Xyndravandria_Averazain
PHP
Averazain is an Ajax framework supporting also JavaScript disabled clients perfectly - including search engines like Google.
Xyndravandria Dyverath
http://github.com/MauroDiGirolamo/Xyndravandria_Dyverath
PHP
Dyverath is a database access wrapper.
Xyndravandria Erozaver
http://github.com/MauroDiGirolamo/Xyndravandria_Erozaver
PHP
Erozaver is a class extending the type hinting given by the PHP engine (additional support for basic type hinting and size constraints).
Xyndravandria Mondraviel
http://github.com/MauroDiGirolamo/Xyndravandria_Mondraviel
PHP
Mondraviel is a class used to separate HTML from PHP code by firstly register models - files containing place holders embedded in HTML code - and then later fill them dynamically with content by passing values for the place holders.
*/
namespace Xyndravandria\Dyverath\Query;
use Xyndravandria\Dyverath\Table;
use Xyndravandria\Dyverath\Query\Component\Statement\StatementListing\UpdateStatement;
use Xyndravandria\Dyverath\Query\Component\Statement\StatementListing\Where;
use Xyndravandria\Erozaver\XyndravandriaDyverathException;
/// A class representing an UPDATE statement.
class Update extends Query {
/// The UpdateStatement assigning new values for the
/// columns.
/// <dl class = "type"><dt><b>%Type:</b></dt>
/// <dd>UpdateStatement</dd></dl>
/// @private
private $UpdateStatement;
/// The Where which constrains the Query.
/// <dl class = "type"><dt><b>%Type:</b></dt>
/// <dd>Where</dd></dl>
/// @private
private $Where;
/// Creates a new Update.
/// @public
/// @param Table $Table: The Table this Query is
/// executed in.
/// @param UpdateStatement $UpdateStatement: The
/// UpdateStatement assigning new values for the
/// columns.
/// @param Where $Where: The Where which constrains
/// the Query.
public function __construct( Table $Table, UpdateStatement $UpdateStatement, Where $Where = null ) {
$this->Table = $Table;
$this->UpdateStatement = $UpdateStatement;
$this->Where = $Where;
$this->Optimise( );
return;
}
/// Optimises an Update.
/// @public
public function Optimise( ) {
\is_null( $this->UpdateStatement ) || $this->UpdateStatement->Optimise( $this->Table );
\is_null( $this->Where ) || $this->Where->Optimise( $this->Table );
return;
}
/// Returns the complete statement.
/// @public
/// @returns string
public function __ToString( ) {
return 'UPDATE ' . $this->Table . ' SET ' . $this->UpdateStatement . ( \is_null( $this->Where ) ? '' : ' WHERE ' . $this->Where );
}
}
?>
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