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adding zend project folders into old campcaster.

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naomiaro 2010-12-07 14:19:27 -05:00
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library/Zend/Db/Table/Select.php Normal file
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Db
* @subpackage Select
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Select.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Db_Select
*/
require_once 'Zend/Db/Select.php';
/**
* @see Zend_Db_Table_Abstract
*/
require_once 'Zend/Db/Table/Abstract.php';
/**
* Class for SQL SELECT query manipulation for the Zend_Db_Table component.
*
* @category Zend
* @package Zend_Db
* @subpackage Table
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Db_Table_Select extends Zend_Db_Select
{
/**
* Table schema for parent Zend_Db_Table.
*
* @var array
*/
protected $_info;
/**
* Table integrity override.
*
* @var array
*/
protected $_integrityCheck = true;
/**
* Table instance that created this select object
*
* @var Zend_Db_Table_Abstract
*/
protected $_table;
/**
* Class constructor
*
* @param Zend_Db_Table_Abstract $adapter
*/
public function __construct(Zend_Db_Table_Abstract $table)
{
parent::__construct($table->getAdapter());
$this->setTable($table);
}
/**
* Return the table that created this select object
*
* @return Zend_Db_Table_Abstract
*/
public function getTable()
{
return $this->_table;
}
/**
* Sets the primary table name and retrieves the table schema.
*
* @param Zend_Db_Table_Abstract $adapter
* @return Zend_Db_Select This Zend_Db_Select object.
*/
public function setTable(Zend_Db_Table_Abstract $table)
{
$this->_adapter = $table->getAdapter();
$this->_info = $table->info();
$this->_table = $table;
return $this;
}
/**
* Sets the integrity check flag.
*
* Setting this flag to false skips the checks for table joins, allowing
* 'hybrid' table rows to be created.
*
* @param Zend_Db_Table_Abstract $adapter
* @return Zend_Db_Select This Zend_Db_Select object.
*/
public function setIntegrityCheck($flag = true)
{
$this->_integrityCheck = $flag;
return $this;
}
/**
* Tests query to determine if expressions or aliases columns exist.
*
* @return boolean
*/
public function isReadOnly()
{
$readOnly = false;
$fields = $this->getPart(Zend_Db_Table_Select::COLUMNS);
$cols = $this->_info[Zend_Db_Table_Abstract::COLS];
if (!count($fields)) {
return $readOnly;
}
foreach ($fields as $columnEntry) {
$column = $columnEntry[1];
$alias = $columnEntry[2];
if ($alias !== null) {
$column = $alias;
}
switch (true) {
case ($column == self::SQL_WILDCARD):
break;
case ($column instanceof Zend_Db_Expr):
case (!in_array($column, $cols)):
$readOnly = true;
break 2;
}
}
return $readOnly;
}
/**
* Adds a FROM table and optional columns to the query.
*
* The table name can be expressed
*
* @param array|string|Zend_Db_Expr|Zend_Db_Table_Abstract $name The table name or an
associative array relating
table name to correlation
name.
* @param array|string|Zend_Db_Expr $cols The columns to select from this table.
* @param string $schema The schema name to specify, if any.
* @return Zend_Db_Table_Select This Zend_Db_Table_Select object.
*/
public function from($name, $cols = self::SQL_WILDCARD, $schema = null)
{
if ($name instanceof Zend_Db_Table_Abstract) {
$info = $name->info();
$name = $info[Zend_Db_Table_Abstract::NAME];
if (isset($info[Zend_Db_Table_Abstract::SCHEMA])) {
$schema = $info[Zend_Db_Table_Abstract::SCHEMA];
}
}
return $this->joinInner($name, null, $cols, $schema);
}
/**
* Performs a validation on the select query before passing back to the parent class.
* Ensures that only columns from the primary Zend_Db_Table are returned in the result.
*
* @return string|null This object as a SELECT string (or null if a string cannot be produced)
*/
public function assemble()
{
$fields = $this->getPart(Zend_Db_Table_Select::COLUMNS);
$primary = $this->_info[Zend_Db_Table_Abstract::NAME];
$schema = $this->_info[Zend_Db_Table_Abstract::SCHEMA];
if (count($this->_parts[self::UNION]) == 0) {
// If no fields are specified we assume all fields from primary table
if (!count($fields)) {
$this->from($primary, self::SQL_WILDCARD, $schema);
$fields = $this->getPart(Zend_Db_Table_Select::COLUMNS);
}
$from = $this->getPart(Zend_Db_Table_Select::FROM);
if ($this->_integrityCheck !== false) {
foreach ($fields as $columnEntry) {
list($table, $column) = $columnEntry;
// Check each column to ensure it only references the primary table
if ($column) {
if (!isset($from[$table]) || $from[$table]['tableName'] != $primary) {
require_once 'Zend/Db/Table/Select/Exception.php';
throw new Zend_Db_Table_Select_Exception('Select query cannot join with another table');
}
}
}
}
}
return parent::assemble();
}
}