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From: Paul S. O. <ps...@us...> - 2002-02-11 18:22:39
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Update of /cvsroot/phpbb/phpBB2/includes In directory usw-pr-cvs1:/tmp/cvs-serv13312/includes Modified Files: search.php Log Message: Further updates to decrease queries/increase speed ... under MySQL and MSSQL ... haven't checked compatibility with other DB's yet ... Index: search.php =================================================================== RCS file: /cvsroot/phpbb/phpBB2/includes/search.php,v retrieving revision 1.6 retrieving revision 1.7 diff -C2 -r1.6 -r1.7 *** search.php 11 Feb 2002 00:28:17 -0000 1.6 --- search.php 11 Feb 2002 18:22:35 -0000 1.7 *************** *** 20,42 **** ***************************************************************************/ - // - // This charset data is borrowed from mnoGoSearch 1.x (http://www.mnogosearch.com/ ) - // - $charset_all = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; - - $charset = array(); - $charset['usacii'] = array(); - $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 */ - $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 */ - $charset['iso88594'] = array(); /* Baltic */ - $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 */ - $charset['iso88596'] = array(); /* Arabic */ - $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 */ - $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 */ - $charset['iso88599'] = array(); /* Turkish */ - $charset['iso885913'] = array(); /* Baltic 2 */ - $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); - $charset[''] = array(); - function clean_words($mode, &$entry, &$synonym_list) { --- 20,23 ---- *************** *** 134,252 **** $search_raw_words['title'] = split_words(clean_words("post", $post_title, $synonym_array)); while( list($word_in, $search_matches) = @each($search_raw_words) ) { - $title_match = ( $word_in == 'title' ) ? 1 : 0; - $value_sql = ""; - if( !empty($search_matches) ) { ! sort($search_matches); ! ! $word = array(); ! $prev_word = ""; ! $word_text_sql = ""; ! for ($i = 0; $i < count($search_matches); $i++) { $search_matches[$i] = trim($search_matches[$i]); ! if( $search_matches[$i] != "" && $search_matches[$i] != $prev_word ) { $word[] = $search_matches[$i]; ! $word_text_sql .= ( ( $word_text_sql != "" ) ? ", " : "" ) . "'" . $search_matches[$i] . "'"; } - - $prev_word = $search_matches[$i]; } ! $sql = "SELECT word_id, word_text, word_common ! FROM " . SEARCH_WORD_TABLE . " ! WHERE word_text IN ($word_text_sql)"; ! if( !($result = $db->sql_query($sql)) ) ! { ! message_die(GENERAL_ERROR, "Couldn't select words", "", __LINE__, __FILE__, $sql); ! } ! $check_words = array(); ! $word_id_list = array(); ! while( $row = $db->sql_fetchrow($result) ) { ! $check_words[$row['word_text']] = $row['word_common']; ! $word_id_list[] = $row['word_id']; } ! $match_word = array(); ! for ($i = 0; $i < count($word); $i++) ! { ! $new_match = true; ! $word_common = false; ! ! if( isset($check_words[$word[$i]]) ) ! { ! $new_match = false; ! } ! else if( empty($check_words[$word[$i]]) ) { ! $match_word[] = "'" . $word[$i] . "'"; } ! if( $new_match ) { ! switch( SQL_LAYER ) ! { ! case 'mysql': ! case 'mysql4': ! $value_sql .= ( ( $value_sql != "" ) ? ", " : "" ) . "('" . $word[$i] . "', 0)"; ! break; ! case 'mssql': ! case 'mssql-odbc': ! $value_sql .= ( ( $value_sql != "" ) ? " UNION ALL " : "" ) . "SELECT '" . $word[$i] . "', 0"; ! break; ! default: ! $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common) ! VALUES ('" . $word[$i] . "', 0)"; ! if( !($result = $db->sql_query($sql)) ) ! { ! message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql); ! } ! break; ! } } } ! if ( $value_sql != "" ) { ! switch ( SQL_LAYER ) { case 'mysql': case 'mysql4': ! $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common) ! VALUES $value_sql"; break; case 'mssql': case 'mssql-odbc': ! $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common) ! $value_sql"; break; } ! if( !($result = $db->sql_query($sql)) ) ! { ! message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql); ! } } - $sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match) - SELECT $post_id, word_id, $title_match - FROM " . SEARCH_WORD_TABLE . " - WHERE word_text IN ($word_text_sql)"; if( !($result = $db->sql_query($sql)) ) { ! message_die(GENERAL_ERROR, "Couldn't insert new word matches", "", __LINE__, __FILE__, $sql); } } } ! remove_common("single", 0.4, $word_id_list); return; --- 115,248 ---- $search_raw_words['title'] = split_words(clean_words("post", $post_title, $synonym_array)); + $word = array(); + $word_text_sql = array(); while( list($word_in, $search_matches) = @each($search_raw_words) ) { if( !empty($search_matches) ) { ! $word_text_sql[$word_in] = ""; for ($i = 0; $i < count($search_matches); $i++) { $search_matches[$i] = trim($search_matches[$i]); ! if( $search_matches[$i] != "" ) { $word[] = $search_matches[$i]; ! $word_text_sql[$word_in] .= ( ( $word_text_sql[$word_in] != "" ) ? ", " : "" ) . "'" . $search_matches[$i] . "'"; } } + } + } ! if( count($word) ) ! { ! sort($word); ! $prev_word = ""; ! $temp_word = array(); ! for($i = 0; $i < count($word); $i++) ! { ! if ( $word[$i] != $prev_word ) { ! $temp_word[] = $word[$i]; } + $prev_word = $word[$i]; + } + $word = $temp_word; ! $check_words = array(); ! switch( SQL_LAYER ) ! { ! case 'postgresql': ! case 'msaccess': ! case 'oracle': ! case 'db2': ! $sql = "SELECT word_id, word_text, word_common ! FROM " . SEARCH_WORD_TABLE . " ! WHERE word_text IN ($word_text_sql)"; ! if( !($result = $db->sql_query($sql)) ) { ! message_die(GENERAL_ERROR, "Couldn't select words", "", __LINE__, __FILE__, $sql); } ! while( $row = $db->sql_fetchrow($result) ) { ! $check_words[$row['word_text']] = $row['word_common']; } + break; + } + + $value_sql = ""; + $match_word = array(); + for ($i = 0; $i < count($word); $i++) + { + $new_match = true; + if( isset($check_words[$word[$i]]) ) + { + $new_match = false; } ! if( $new_match ) { ! switch( SQL_LAYER ) { case 'mysql': case 'mysql4': ! $value_sql .= ( ( $value_sql != "" ) ? ", " : "" ) . "('" . $word[$i] . "')"; break; case 'mssql': case 'mssql-odbc': ! $value_sql .= ( ( $value_sql != "" ) ? " UNION ALL " : "" ) . "SELECT '" . $word[$i] . "'"; ! break; ! default: ! $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text) ! VALUES ('" . $word[$i] . "', 0)"; ! if( !($result = $db->sql_query($sql)) ) ! { ! message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql); ! } break; } + } + } ! if ( $value_sql != "" ) ! { ! switch ( SQL_LAYER ) ! { ! case 'mysql': ! case 'mysql4': ! $sql = "INSERT IGNORE INTO " . SEARCH_WORD_TABLE . " (word_text) ! VALUES $value_sql"; ! break; ! case 'mssql': ! case 'mssql-odbc': ! $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text) ! $value_sql"; ! break; } if( !($result = $db->sql_query($sql)) ) { ! message_die(GENERAL_ERROR, "Couldn't insert new word", "", __LINE__, __FILE__, $sql); } } } ! while( list($word_in, $match_sql) = @each($word_text_sql) ) ! { ! $title_match = ( $word_in == 'title' ) ? 1 : 0; ! ! $sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match) ! SELECT $post_id, word_id, $title_match ! FROM " . SEARCH_WORD_TABLE . " ! WHERE word_text IN ($match_sql)"; ! if( !($result = $db->sql_query($sql)) ) ! { ! message_die(GENERAL_ERROR, "Couldn't insert new word matches", "", __LINE__, __FILE__, $sql); ! } ! } ! ! remove_common('single', 0.4, $word); return; *************** *** 272,286 **** $common_threshold = floor($row['total_posts'] * $fraction); - $word_id_sql = ""; if( $mode == "single" && count($word_id_list) ) { ! $word_id_sql = "WHERE word_id IN (" . implode(", ", $word_id_list) . ") "; } - $sql = "SELECT word_id - FROM " . SEARCH_MATCH_TABLE . " - $word_id_sql - GROUP BY word_id - HAVING COUNT(word_id) > $common_threshold"; if( !($result = $db->sql_query($sql)) ) { --- 268,294 ---- $common_threshold = floor($row['total_posts'] * $fraction); if( $mode == "single" && count($word_id_list) ) { ! $word_id_sql = ""; ! for($i = 0; $i < count($word_id_list); $i++) ! { ! $word_id_sql .= ( ( $word_id_sql != "" ) ? ", " : "" ) . "'" . $word_id_list[$i] . "'"; ! } ! ! $sql = "SELECT m.word_id ! FROM " . SEARCH_MATCH_TABLE . " m, " . SEARCH_WORD_TABLE . " w ! WHERE w.word_text IN ($word_id_sql) ! AND m.word_id = w.word_id ! GROUP BY m.word_id ! HAVING COUNT(m.word_id) > $common_threshold"; ! } ! else ! { ! $sql = "SELECT word_id ! FROM " . SEARCH_MATCH_TABLE . " ! GROUP BY word_id ! HAVING COUNT(word_id) > $common_threshold"; } if( !($result = $db->sql_query($sql)) ) { |