mirror of
https://github.com/phpbb/phpbb.git
synced 2025-06-25 12:35:55 +02:00
Further updates to decrease queries/increase speed ... under MySQL and MSSQL ... haven't checked compatibility with other DB's yet ...
git-svn-id: file:///svn/phpbb/trunk@2091 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen
@ -19,25 +19,6 @@
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*
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***************************************************************************/
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//
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// This charset data is borrowed from mnoGoSearch 1.x (http://www.mnogosearch.com/ )
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//
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$charset_all = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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$charset = array();
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$charset['usacii'] = array();
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$charset['iso88591'] = array(0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xDF, 0); /* Western European */
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$charset['iso88592'] = array(193, 195, 194, 196, 161, 198, 200, 199, 207, 201, 204, 203, 202, 208, 205, 206, 197, 165, 163, 209, 210, 211, 212, 214, 213, 192, 216, 166, 169, 170, 171, 222, 218, 220, 219, 217, 221, 175, 172, 174, 223, 225, 227, 226, 228, 177, 230, 232, 231, 239, 233, 236, 235, 234, 240, 237, 238, 229, 181, 179, 241, 242, 243, 244, 246, 245, 224, 248, 182, 185, 186, 187, 254, 250, 252, 251, 249, 253, 191, 188, 190, 223, 0); /* Central European */
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$charset['iso88594'] = array(); /* Baltic */
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$charset['iso88595'] = array(0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xA1, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xF1, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0); /* Cyrillic */
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$charset['iso88596'] = array(); /* Arabic */
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$charset['iso88597'] = array(0xc1, 0xb6, 0xdc, 0xc2, 0xc3, 0xc4, 0xc5, 0xb8, 0xdd, 0xc6, 0xc7, 0xb9, 0xde, 0xc8, 0xc9, 0xba, 0xda, 0xdf, 0xc0, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xbc, 0xfc, 0xd0, 0xd1, 0xd3, 0xf2, 0xd4, 0xd5, 0xbe, 0xdb, 0xfd, 0xfb, 0xe0, 0xd6, 0xd7, 0xd8, 0xd9, 0xbf, 0xfe, 0xe1, 0xe1, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe5, 0xe5, 0xe6, 0xe7, 0xe7, 0xe7, 0xe8, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xef, 0xef, 0xf0, 0xf1, 0xf3, 0xf3, 0xf4, 0xf5, 0xf5, 0xf5, 0xf5, 0xf5, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xf9, 0xf9, 0); /* Greek */
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$charset['iso88598'] = array(0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0x00); /* Hebrew */
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$charset['iso88599'] = array(); /* Turkish */
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$charset['iso885913'] = array(); /* Baltic 2 */
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$charset['cp1256'] = array(0x8d, 0x8e, 0x90, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xde, 0xdf, 0xe1, 0xe3, 0xe4, 0xe5, 0xe6, 0xec, 0xed, 0);
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$charset[''] = array();
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function clean_words($mode, &$entry, &$synonym_list)
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{
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// Weird, $init_match doesn't work with static when double quotes (") are used...
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@ -133,121 +114,136 @@ function add_search_words($post_id, $post_text, $post_title = "")
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$search_raw_words['text'] = split_words(clean_words("post", $post_text, $synonym_array));
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$search_raw_words['title'] = split_words(clean_words("post", $post_title, $synonym_array));
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$word = array();
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$word_text_sql = array();
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while( list($word_in, $search_matches) = @each($search_raw_words) )
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{
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$title_match = ( $word_in == 'title' ) ? 1 : 0;
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$value_sql = "";
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if( !empty($search_matches) )
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{
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sort($search_matches);
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$word = array();
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$prev_word = "";
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$word_text_sql = "";
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$word_text_sql[$word_in] = "";
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for ($i = 0; $i < count($search_matches); $i++)
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{
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$search_matches[$i] = trim($search_matches[$i]);
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if( $search_matches[$i] != "" && $search_matches[$i] != $prev_word )
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if( $search_matches[$i] != "" )
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{
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$word[] = $search_matches[$i];
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$word_text_sql .= ( ( $word_text_sql != "" ) ? ", " : "" ) . "'" . $search_matches[$i] . "'";
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$word_text_sql[$word_in] .= ( ( $word_text_sql[$word_in] != "" ) ? ", " : "" ) . "'" . $search_matches[$i] . "'";
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}
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$prev_word = $search_matches[$i];
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}
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$sql = "SELECT word_id, word_text, word_common
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FROM " . SEARCH_WORD_TABLE . "
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WHERE word_text IN ($word_text_sql)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't select words", "", __LINE__, __FILE__, $sql);
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}
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$check_words = array();
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$word_id_list = array();
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while( $row = $db->sql_fetchrow($result) )
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{
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$check_words[$row['word_text']] = $row['word_common'];
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$word_id_list[] = $row['word_id'];
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}
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$match_word = array();
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for ($i = 0; $i < count($word); $i++)
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{
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$new_match = true;
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$word_common = false;
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if( isset($check_words[$word[$i]]) )
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{
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$new_match = false;
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}
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else if( empty($check_words[$word[$i]]) )
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{
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$match_word[] = "'" . $word[$i] . "'";
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}
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if( $new_match )
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{
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switch( SQL_LAYER )
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{
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case 'mysql':
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case 'mysql4':
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$value_sql .= ( ( $value_sql != "" ) ? ", " : "" ) . "('" . $word[$i] . "', 0)";
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break;
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case 'mssql':
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case 'mssql-odbc':
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$value_sql .= ( ( $value_sql != "" ) ? " UNION ALL " : "" ) . "SELECT '" . $word[$i] . "', 0";
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break;
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default:
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$sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
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VALUES ('" . $word[$i] . "', 0)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql);
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}
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break;
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}
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}
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}
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if ( $value_sql != "" )
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{
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switch ( SQL_LAYER )
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{
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case 'mysql':
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case 'mysql4':
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$sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
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VALUES $value_sql";
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break;
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case 'mssql':
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case 'mssql-odbc':
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$sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
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$value_sql";
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break;
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}
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql);
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}
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}
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$sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match)
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SELECT $post_id, word_id, $title_match
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FROM " . SEARCH_WORD_TABLE . "
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WHERE word_text IN ($word_text_sql)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word matches", "", __LINE__, __FILE__, $sql);
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}
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}
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}
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remove_common("single", 0.4, $word_id_list);
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if( count($word) )
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{
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sort($word);
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$prev_word = "";
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$temp_word = array();
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for($i = 0; $i < count($word); $i++)
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{
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if ( $word[$i] != $prev_word )
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{
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$temp_word[] = $word[$i];
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}
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$prev_word = $word[$i];
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}
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$word = $temp_word;
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$check_words = array();
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switch( SQL_LAYER )
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{
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case 'postgresql':
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case 'msaccess':
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case 'oracle':
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case 'db2':
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$sql = "SELECT word_id, word_text, word_common
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FROM " . SEARCH_WORD_TABLE . "
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WHERE word_text IN ($word_text_sql)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't select words", "", __LINE__, __FILE__, $sql);
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}
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while( $row = $db->sql_fetchrow($result) )
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{
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$check_words[$row['word_text']] = $row['word_common'];
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}
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break;
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}
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$value_sql = "";
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$match_word = array();
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for ($i = 0; $i < count($word); $i++)
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{
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$new_match = true;
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if( isset($check_words[$word[$i]]) )
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{
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$new_match = false;
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}
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if( $new_match )
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{
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switch( SQL_LAYER )
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{
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case 'mysql':
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case 'mysql4':
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$value_sql .= ( ( $value_sql != "" ) ? ", " : "" ) . "('" . $word[$i] . "')";
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break;
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case 'mssql':
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case 'mssql-odbc':
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$value_sql .= ( ( $value_sql != "" ) ? " UNION ALL " : "" ) . "SELECT '" . $word[$i] . "'";
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break;
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default:
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$sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text)
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VALUES ('" . $word[$i] . "', 0)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql);
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}
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break;
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}
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}
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}
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if ( $value_sql != "" )
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{
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switch ( SQL_LAYER )
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{
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case 'mysql':
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case 'mysql4':
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$sql = "INSERT IGNORE INTO " . SEARCH_WORD_TABLE . " (word_text)
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VALUES $value_sql";
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break;
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case 'mssql':
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case 'mssql-odbc':
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$sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text)
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$value_sql";
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break;
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}
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql);
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}
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}
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}
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while( list($word_in, $match_sql) = @each($word_text_sql) )
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{
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$title_match = ( $word_in == 'title' ) ? 1 : 0;
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$sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match)
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SELECT $post_id, word_id, $title_match
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FROM " . SEARCH_WORD_TABLE . "
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WHERE word_text IN ($match_sql)";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't insert new word matches", "", __LINE__, __FILE__, $sql);
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}
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}
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remove_common('single', 0.4, $word);
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return;
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}
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@ -271,17 +267,29 @@ function remove_common($mode, $fraction, $word_id_list = array())
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{
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$common_threshold = floor($row['total_posts'] * $fraction);
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$word_id_sql = "";
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if( $mode == "single" && count($word_id_list) )
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{
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$word_id_sql = "WHERE word_id IN (" . implode(", ", $word_id_list) . ") ";
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$word_id_sql = "";
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for($i = 0; $i < count($word_id_list); $i++)
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{
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$word_id_sql .= ( ( $word_id_sql != "" ) ? ", " : "" ) . "'" . $word_id_list[$i] . "'";
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}
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$sql = "SELECT m.word_id
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FROM " . SEARCH_MATCH_TABLE . " m, " . SEARCH_WORD_TABLE . " w
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WHERE w.word_text IN ($word_id_sql)
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AND m.word_id = w.word_id
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GROUP BY m.word_id
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HAVING COUNT(m.word_id) > $common_threshold";
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}
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else
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{
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$sql = "SELECT word_id
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FROM " . SEARCH_MATCH_TABLE . "
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GROUP BY word_id
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HAVING COUNT(word_id) > $common_threshold";
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}
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$sql = "SELECT word_id
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FROM " . SEARCH_MATCH_TABLE . "
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$word_id_sql
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GROUP BY word_id
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HAVING COUNT(word_id) > $common_threshold";
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if( !($result = $db->sql_query($sql)) )
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{
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message_die(GENERAL_ERROR, "Couldn't obtain common word list", "", __LINE__, __FILE__, $sql);
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