simple-machines-forum/Sources/DbSearch-mysql.php

81 lines
No EOL
2 KiB
PHP

<?php
/**
* This file contains database functions specific to search related activity.
*
* Simple Machines Forum (SMF)
*
* @package SMF
* @author Simple Machines https://www.simplemachines.org
* @copyright 2023 Simple Machines and individual contributors
* @license https://www.simplemachines.org/about/smf/license.php BSD
*
* @version 2.1.4
*/
if (!defined('SMF'))
die('No direct access...');
/**
* Add the file functions to the $smcFunc array.
*/
function db_search_init()
{
global $smcFunc;
if (!isset($smcFunc['db_search_query']) || $smcFunc['db_search_query'] != 'smf_db_query')
$smcFunc += array(
'db_search_query' => 'smf_db_query',
'db_search_support' => 'smf_db_search_support',
'db_create_word_search' => 'smf_db_create_word_search',
'db_support_ignore' => true,
);
db_extend();
$version = $smcFunc['db_get_version']();
$smcFunc['db_supports_pcre'] = version_compare($version, strpos($version, 'MariaDB') !== false ? '10.0.5' : '8.0.4', '>=');
}
/**
* This function will tell you whether this database type supports this search type.
*
* @param string $search_type The search type.
* @return boolean Whether or not the specified search type is supported by this db system
*/
function smf_db_search_support($search_type)
{
$supported_types = array('fulltext');
return in_array($search_type, $supported_types);
}
/**
* Highly specific function, to create the custom word index table.
*
* @param string $size The size of the desired index.
*/
function smf_db_create_word_search($size)
{
global $smcFunc;
if ($size == 'small')
$size = 'smallint(5)';
elseif ($size == 'medium')
$size = 'mediumint(8)';
else
$size = 'int(10)';
$smcFunc['db_query']('', '
CREATE TABLE {db_prefix}log_search_words (
id_word {raw:size} unsigned NOT NULL default {string:string_zero},
id_msg int(10) unsigned NOT NULL default {string:string_zero},
PRIMARY KEY (id_word, id_msg)
) ENGINE=InnoDB',
array(
'string_zero' => '0',
'size' => $size,
)
);
}
?>