website_jukni/forum/Sources/DbSearch-sqlite.php
2017-12-29 15:51:59 +01:00

106 lines
No EOL
2.7 KiB
PHP

<?php
/**
* Simple Machines Forum (SMF)
*
* @package SMF
* @author Simple Machines http://www.simplemachines.org
* @copyright 2011 Simple Machines
* @license http://www.simplemachines.org/about/smf/license.php BSD
*
* @version 2.0.7
*/
if (!defined('SMF'))
die('Hacking attempt...');
/* This file contains database functions specific to search related activity.
void db_search_init()
- adds the functions in this file to the $smcFunc array
boolean smf_db_search_support($search_type)
- whether this database type support the search type $search_type
void smf_db_create_word_search($size)
- create the custom word index table
resource smf_db_search_query($identifier, $db_string, $db_values = array(), $connection = null)
- returns the correct query for this search type.
*/
// 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_search_query')
$smcFunc += array(
'db_search_query' => 'smf_db_search_query',
'db_search_support' => 'smf_db_search_support',
'db_create_word_search' => 'smf_db_create_word_search',
'db_support_ignore' => false,
);
}
// Does this database type support this search type?
function smf_db_search_support($search_type)
{
$supported_types = array('custom');
return in_array($search_type, $supported_types);
}
// Returns the correct query for this search type.
function smf_db_search_query($identifier, $db_string, $db_values = array(), $connection = null)
{
global $smcFunc;
$replacements = array(
'create_tmp_log_search_topics' => array(
'~mediumint\(\d\)~i' => 'int',
'~ENGINE=MEMORY~i' => '',
),
'create_tmp_log_search_messages' => array(
'~mediumint\(\d\)~i' => 'int',
'~TYPE=HEAP~i' => '',
),
);
if (isset($replacements[$identifier]))
$db_string = preg_replace(array_keys($replacements[$identifier]), array_values($replacements[$identifier]), $db_string);
elseif (preg_match('~^\s*INSERT\sIGNORE~i', $db_string) != 0)
{
$db_string = preg_replace('~^\s*INSERT\sIGNORE~i', 'INSERT', $db_string);
// Don't error on multi-insert.
$db_values['db_error_skip'] = true;
}
$return = $smcFunc['db_query']('', $db_string,
$db_values, $connection
);
return $return;
}
// Highly specific - create the custom word index table!
function smf_db_create_word_search($size)
{
global $smcFunc;
$size = 'int';
$smcFunc['db_query']('', '
CREATE TABLE {db_prefix}log_search_words (
id_word {raw:size} NOT NULL default {string:string_zero},
id_msg int(10) NOT NULL default {string:string_zero},
PRIMARY KEY (id_word, id_msg)
)',
array(
'size' => $size,
'string_zero' => '0',
)
);
}
?>