Class CI_DB_Cache

##Class CI_DB_Cache

Database Cache Class

Category: Database
Author: ExpressionEngine Dev Team
Link: http://codeigniter.com/user_guide/database/
Located at system/database/DB_cache.php

##Methods summary

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public __construct ( mixed & $db )

Constructor

Grabs the CI super object instance so we can access it.

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public boolean check_path ( string $path = '' )

Set Cache Directory Path

Parameters

$path string
the path to the cache directory

Returns boolean

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public string read ( mixed $sql )

Retrieve a cached query

The URI being requested will become the name of the cache sub-folder. An MD5 hash of the SQL statement will become the cache file name

Returns string

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public boolean write ( mixed $sql, mixed $object )

Write a query to a cache file

Returns boolean

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public boolean delete ( mixed $segment_one = '', mixed $segment_two = '' )

Delete cache files within a particular directory

Returns boolean

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public boolean delete_all ( )

Delete all existing cache files

Returns boolean

<table class="summary" id="properties">
<caption>Properties summary</caption>
<tr data-order="CI" id="$CI">
	<td class="attributes"><code>
		public  
		mixed
	</code></td>

	<td class="name">

$CI

#

		<div class="description detailed">
			

		</div>
	</div></td>
</tr>
<tr data-order="db" id="$db">
	<td class="attributes"><code>
		public  
		mixed
	</code></td>

	<td class="name">

$db

#

		<div class="description detailed">
			

		</div>
	</div></td>
</tr>
</table>