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These aren't the search files you're looking for ... I can go about my business ... move along ...
git-svn-id: file:///svn/phpbb/trunk@5060 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen
189
phpBB/includes/search/fulltext_mysql.php
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189
phpBB/includes/search/fulltext_mysql.php
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<?php
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// -------------------------------------------------------------
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//
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// $Id$
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//
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// FILENAME : mysql.php
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// STARTED : Fri Nov 19, 2004
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// COPYRIGHT : <20> 2004 phpBB Group
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// WWW : http://www.phpbb.com/
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// LICENCE : GPL vs2.0 [ see /docs/COPYING ]
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//
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// -------------------------------------------------------------
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class fulltext_mysql
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{
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var $version = 4;
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function fulltext_mysql(&$error)
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{
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global $db;
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$result = $db->sql_query('SELECT VERSION() AS mysql_version');
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$version = ($row = $db->sql_fetchrow($result)) ? $row['mysql_version'] : '';
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$db->sql_freeresult($result);
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// Need to check for fulltext indexes ... maybe all of thise is best left in acp?
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$error = (!preg_match('#^4|5|6#s', $version)) ? true : false;
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}
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function search($type, &$fields, &$fid_ary, &$keywords, &$author, &$pid_ary)
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{
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global $phpbb_root_path, $phpEx, $config, $db, $user, $SID;
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// Are we looking for words
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if ($keywords)
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{
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$author = ($author) ? ' AND ' . $author : '';
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$split_words = $stopped_words = $smllrg_words = array();
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$drop_char_match = array('^', '$', ';', '#', '&', '(', ')', '<', '>', '`', '\'', '"', '|', ',', '@', '_', '?', '%', '~', '.', '[', ']', '{', '}', ':', '\\', '/', '=', '\'', '!', '*');
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$drop_char_replace = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '', '', ' ', ' ', ' ', ' ', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '' , ' ', ' ', ' ', ' ', ' ');
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if ($fp = @fopen($user->lang_path . '/search_stopwords.txt', 'rb'))
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{
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$stopwords = explode("\n", str_replace("\r\n", "\n", fread($fp, filesize($user->lang_path . '/search_stopwords.txt'))));
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}
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fclose($fp);
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if ($fp = @fopen($user->lang_path . '/search_synonyms.txt', 'rb'))
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{
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preg_match_all('#^(.*?) (.*?)$#ms', fread($fp, filesize($user->lang_path . '/search_synonyms.txt')), $match);
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$replace_synonym = &$match[1];
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$match_synonym = &$match[2];
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}
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fclose($fp);
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$match = array('#\sand\s#i', '#\sor\s#i', '#\snot\s#i', '#\+#', '#-#', '#\|#');
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$replace = array(' +', ' |', ' -', ' +', ' -', ' |');
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$keywords = preg_replace($match, $replace, $keywords);
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$match = array();
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// Comments for hardcoded bbcode elements (urls, smilies, html)
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$match[] = '#<!\-\- .* \-\->(.*?)<!\-\- .* \-\->#is';
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// New lines, carriage returns
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$match[] = "#[\n\r]+#";
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// NCRs like etc.
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$match[] = '#(&|&)[\#a-z0-9]+?;#i';
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// BBcode
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$match[] = '#\[\/?[a-z\*\+\-]+(=.*)?(\:?[0-9a-z]{5,})\]#';
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// Filter out as above
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$keywords = preg_replace($match, ' ', strtolower(trim($keywords)));
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$keywords = str_replace($drop_char_match, $drop_char_replace, $keywords);
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// Split words
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$split_words = explode(' ', preg_replace('#\s+#', ' ', $keywords));
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if (sizeof($stopwords))
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{
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$stopped_words = array_intersect($split_words, $stopwords);
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$split_words = array_diff($split_words, $stopwords);
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}
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if (sizeof($replace_synonym))
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{
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$split_words = str_replace($replace_synonym, $match_synonym, $split_words);
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}
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}
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if (isset($old_split_words) && sizeof($old_split_words))
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{
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$split_words = (sizeof($split_words)) ? array_diff($split_words, $old_split_words) : $old_split_words;
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}
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if (sizeof($split_words))
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{
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// Build some display specific variable strings
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$sql_select = ($type == 'posts') ? 'p.post_id' : 'DISTINCT t.topic_id';
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$sql_from = ($type == 'posts') ? '' : TOPICS_TABLE . ' t, ';
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switch ($fields)
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{
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case 'titleonly':
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$sql_match = 'p.post_subject';
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break;
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case 'msgonly':
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$sql_match = 'p.post_text';
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break;
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default:
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$sql_match = 'p.post_text,p.post_subject';
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}
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$sql_topic = ($type == 'posts') ? '' : 'AND t.topic_id = p.topic_id';
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// Are we searching within an existing search set? Yes, then include the old ids
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$sql_find_in = (sizeof($pid_ary)) ? 'AND ' . (($type == 'topics') ? 't.topic_id' : 'p.post_id') . ' IN (' . implode(', ', $pid_ary) . ')' : '';
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$sql_fora = (sizeof($fid_ary)) ? ' AND p.forum_id IN (' . implode(',', $fid_ary) . ')' : '';
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$sql_author = ($author) ? 'AND p.poster_id = ' . $author : '';
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$sql_time = ($sort_days) ? 'AND p.post_time >= ' . ($current_time - ($sort_days * 86400)) : '';
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$sql = "SELECT $sql_select
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FROM $sql_from" . POSTS_TABLE . " p
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WHERE MATCH ($sql_match) AGAINST ('+" . implode(' ', $split_words) . "' IN BOOLEAN MODE)
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$sql_topic
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$sql_find_in
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$sql_fora
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$sql_author
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$sql_time
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LIMIT 1000";
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$result = $db->sql_query($sql);
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if ($db->sql_numrows() > 999)
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{
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trigger_error($user->lang['TOO_MANY_SEARCH_RESULTS']);
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}
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$pid_ary = array();
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while ($row = $db->sql_fetchrow($result))
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{
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$pid_ary[] = ($type == 'topics') ? $row['topic_id'] : $row['post_id'];
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}
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$db->sql_freeresult($result);
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$pid_ary = array_unique($pid_ary);
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if (!sizeof($pid_ary))
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{
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trigger_error($user->lang['NO_SEARCH_RESULTS']);
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}
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}
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else if ($author)
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{
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$sql_author = ($author) ? 'p.poster_id = ' . $author : '';
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$sql_fora = (sizeof($fid_ary)) ? ' AND p.forum_id IN (' . implode(',', $fid_ary) . ')' : '';
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if ($type == 'posts')
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{
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$sql = 'SELECT p.post_id
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FROM ' . POSTS_TABLE . " p
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WHERE $sql_author
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$sql_fora
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LIMIT 1000";
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$field = 'post_id';
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}
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else
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{
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$sql = 'SELECT t.topic_id
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FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p
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WHERE $sql_author
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$sql_fora
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AND t.topic_id = p.topic_id
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GROUP BY t.topic_id
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LIMIT 1000";
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$field = 'topic_id';
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}
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$pid_ary[] = $row[$field];
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}
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$db->sql_freeresult($result);
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}
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return false;
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}
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}
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?>
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