95 lines
1.6 KiB
PHP
95 lines
1.6 KiB
PHP
![]() |
<?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Database query wrapper.
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*
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* $Id: Database_Query.php 4679 2009-11-10 01:45:52Z isaiah $
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*
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* @package Kohana
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* @author Kohana Team
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* @copyright (c) 2008-2009 Kohana Team
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* @license http://kohanaphp.com/license
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*/
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class Database_Query_Core {
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protected $sql;
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protected $params;
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protected $ttl = FALSE;
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public function __construct($sql = NULL)
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{
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$this->sql = $sql;
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}
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public function __toString()
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{
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// Return the SQL of this query
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return $this->sql;
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}
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public function sql($sql)
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{
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$this->sql = $sql;
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return $this;
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}
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public function value($key, $value)
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{
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$this->params[$key] = $value;
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return $this;
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}
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public function bind($key, & $value)
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{
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$this->params[$key] =& $value;
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return $this;
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}
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public function execute($db = 'default')
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{
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if ( ! is_object($db))
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{
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// Get the database instance
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$db = Database::instance($db);
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}
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// Import the SQL locally
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$sql = $this->sql;
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if ( ! empty($this->params))
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{
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// Quote all of the values
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$params = array_map(array($db, 'quote'), $this->params);
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// Replace the values in the SQL
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$sql = strtr($sql, $params);
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}
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if ($this->ttl !== FALSE)
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{
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// Load the result from the cache
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return $db->query_cache($sql, $this->ttl);
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}
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else
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{
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// Load the result (no caching)
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return $db->query($sql);
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}
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}
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/**
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* Set caching for the query
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*
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* @param mixed Time-to-live (FALSE to disable, NULL for Cache default, seconds otherwise)
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* @return Database_Query
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*/
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public function cache($ttl = NULL)
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{
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$this->ttl = $ttl;
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return $this;
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}
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} // End Database_Query
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