fannie/classlib2.0/data/models/SpanningViewModel.php
<?php
/*******************************************************************************
Copyright 2014 Whole Foods Co-op
This file is part of CORE-POS.
IT CORE is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
IT CORE is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
in the file license.txt along with IT CORE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*********************************************************************************/
/**
@class SpannigViewModel
*/
class SpanningViewModel extends ViewModel
{
/**
Name(s) of other databases the view
makes use of
*/
protected $extra_db_names = array();
/**
Add another database name
@param $name [string] database name
*/
public function addExtraDB($name)
{
$this->extra_db_names[] = $name;
}
/**
Locate a table in one of the extra databases
@param $table [string] name of table/view
@return database_name.table_name or [boolean] false
*/
public function findExtraTable($table)
{
foreach ($this->extra_db_names as $db) {
$fq_name = $this->connection->identifierEscape($db)
. $this->connection->sep()
. $this->connection->identifierEscape($table);
/**
Underlying tableExists function does not
cope with identifier escapes correctly. Omitting
backticks (etc) is not ideal but works in
most cases.
*/
$fq_name = $db . $this->connection->sep() . $table;
if ($this->connection->tableExists($fq_name)) {
return $fq_name;
}
}
return false;
}
}