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1 <?php 2 /** 3 * 4 * This file is part of the phpBB Forum Software package. 5 * 6 * @copyright (c) phpBB Limited <https://www.phpbb.com> 7 * @license GNU General Public License, version 2 (GPL-2.0) 8 * 9 * For full copyright and license information, please see 10 * the docs/CREDITS.txt file. 11 * 12 */ 13 14 namespace phpbb\db\driver; 15 16 /** 17 * Database Abstraction Layer 18 */ 19 abstract class driver implements driver_interface 20 { 21 var $db_connect_id; 22 var $query_result; 23 var $return_on_error = false; 24 var $transaction = false; 25 var $sql_time = 0; 26 var $num_queries = array(); 27 var $open_queries = array(); 28 29 var $curtime = 0; 30 var $query_hold = ''; 31 var $html_hold = ''; 32 var $sql_report = ''; 33 34 var $persistency = false; 35 var $user = ''; 36 var $server = ''; 37 var $dbname = ''; 38 39 // Set to true if error triggered 40 var $sql_error_triggered = false; 41 42 // Holding the last sql query on sql error 43 var $sql_error_sql = ''; 44 // Holding the error information - only populated if sql_error_triggered is set 45 var $sql_error_returned = array(); 46 47 // Holding transaction count 48 var $transactions = 0; 49 50 // Supports multi inserts? 51 var $multi_insert = false; 52 53 /** 54 * Current sql layer 55 */ 56 var $sql_layer = ''; 57 58 /** 59 * Wildcards for matching any (%) or exactly one (_) character within LIKE expressions 60 */ 61 var $any_char; 62 var $one_char; 63 64 /** 65 * Exact version of the DBAL, directly queried 66 */ 67 var $sql_server_version = false; 68 69 /** 70 * Constructor 71 */ 72 function __construct() 73 { 74 $this->num_queries = array( 75 'cached' => 0, 76 'normal' => 0, 77 'total' => 0, 78 ); 79 80 // Fill default sql layer based on the class being called. 81 // This can be changed by the specified layer itself later if needed. 82 $this->sql_layer = substr(get_class($this), strlen('phpbb\db\driver\\')); 83 84 // Do not change this please! This variable is used to easy the use of it - and is hardcoded. 85 $this->any_char = chr(0) . '%'; 86 $this->one_char = chr(0) . '_'; 87 } 88 89 /** 90 * {@inheritdoc} 91 */ 92 public function get_sql_layer() 93 { 94 return $this->sql_layer; 95 } 96 97 /** 98 * {@inheritdoc} 99 */ 100 public function get_db_name() 101 { 102 return $this->dbname; 103 } 104 105 /** 106 * {@inheritdoc} 107 */ 108 public function get_any_char() 109 { 110 return $this->any_char; 111 } 112 113 /** 114 * {@inheritdoc} 115 */ 116 public function get_one_char() 117 { 118 return $this->one_char; 119 } 120 121 /** 122 * {@inheritdoc} 123 */ 124 public function get_db_connect_id() 125 { 126 return $this->db_connect_id; 127 } 128 129 /** 130 * {@inheritdoc} 131 */ 132 public function get_sql_error_triggered() 133 { 134 return $this->sql_error_triggered; 135 } 136 137 /** 138 * {@inheritdoc} 139 */ 140 public function get_sql_error_sql() 141 { 142 return $this->sql_error_sql; 143 } 144 145 /** 146 * {@inheritdoc} 147 */ 148 public function get_transaction() 149 { 150 return $this->transaction; 151 } 152 153 /** 154 * {@inheritdoc} 155 */ 156 public function get_sql_time() 157 { 158 return $this->sql_time; 159 } 160 161 /** 162 * {@inheritdoc} 163 */ 164 public function get_sql_error_returned() 165 { 166 return $this->sql_error_returned; 167 } 168 169 /** 170 * {@inheritdoc} 171 */ 172 public function get_multi_insert() 173 { 174 return $this->multi_insert; 175 } 176 177 /** 178 * {@inheritdoc} 179 */ 180 public function set_multi_insert($multi_insert) 181 { 182 $this->multi_insert = $multi_insert; 183 } 184 185 /** 186 * {@inheritDoc} 187 */ 188 function sql_return_on_error($fail = false) 189 { 190 $this->sql_error_triggered = false; 191 $this->sql_error_sql = ''; 192 193 $this->return_on_error = $fail; 194 } 195 196 /** 197 * {@inheritDoc} 198 */ 199 function sql_num_queries($cached = false) 200 { 201 return ($cached) ? $this->num_queries['cached'] : $this->num_queries['normal']; 202 } 203 204 /** 205 * {@inheritDoc} 206 */ 207 function sql_add_num_queries($cached = false) 208 { 209 $this->num_queries['cached'] += ($cached !== false) ? 1 : 0; 210 $this->num_queries['normal'] += ($cached !== false) ? 0 : 1; 211 $this->num_queries['total'] += 1; 212 } 213 214 /** 215 * {@inheritDoc} 216 */ 217 function sql_close() 218 { 219 if (!$this->db_connect_id) 220 { 221 return false; 222 } 223 224 if ($this->transaction) 225 { 226 do 227 { 228 $this->sql_transaction('commit'); 229 } 230 while ($this->transaction); 231 } 232 233 foreach ($this->open_queries as $query_id) 234 { 235 $this->sql_freeresult($query_id); 236 } 237 238 // Connection closed correctly. Set db_connect_id to false to prevent errors 239 if ($result = $this->_sql_close()) 240 { 241 $this->db_connect_id = false; 242 } 243 244 return $result; 245 } 246 247 /** 248 * {@inheritDoc} 249 */ 250 function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) 251 { 252 if (empty($query)) 253 { 254 return false; 255 } 256 257 // Never use a negative total or offset 258 $total = ($total < 0) ? 0 : $total; 259 $offset = ($offset < 0) ? 0 : $offset; 260 261 return $this->_sql_query_limit($query, $total, $offset, $cache_ttl); 262 } 263 264 /** 265 * {@inheritDoc} 266 */ 267 function sql_fetchrowset($query_id = false) 268 { 269 if ($query_id === false) 270 { 271 $query_id = $this->query_result; 272 } 273 274 if ($query_id !== false) 275 { 276 $result = array(); 277 while ($row = $this->sql_fetchrow($query_id)) 278 { 279 $result[] = $row; 280 } 281 282 return $result; 283 } 284 285 return false; 286 } 287 288 /** 289 * {@inheritDoc} 290 */ 291 function sql_rowseek($rownum, &$query_id) 292 { 293 global $cache; 294 295 if ($query_id === false) 296 { 297 $query_id = $this->query_result; 298 } 299 300 if ($cache && $cache->sql_exists($query_id)) 301 { 302 return $cache->sql_rowseek($rownum, $query_id); 303 } 304 305 if ($query_id === false) 306 { 307 return false; 308 } 309 310 $this->sql_freeresult($query_id); 311 $query_id = $this->sql_query($this->last_query_text); 312 313 if ($query_id === false) 314 { 315 return false; 316 } 317 318 // We do not fetch the row for rownum == 0 because then the next resultset would be the second row 319 for ($i = 0; $i < $rownum; $i++) 320 { 321 if (!$this->sql_fetchrow($query_id)) 322 { 323 return false; 324 } 325 } 326 327 return true; 328 } 329 330 /** 331 * {@inheritDoc} 332 */ 333 function sql_fetchfield($field, $rownum = false, $query_id = false) 334 { 335 global $cache; 336 337 if ($query_id === false) 338 { 339 $query_id = $this->query_result; 340 } 341 342 if ($query_id !== false) 343 { 344 if ($rownum !== false) 345 { 346 $this->sql_rowseek($rownum, $query_id); 347 } 348 349 if ($cache && !is_object($query_id) && $cache->sql_exists($query_id)) 350 { 351 return $cache->sql_fetchfield($query_id, $field); 352 } 353 354 $row = $this->sql_fetchrow($query_id); 355 return (isset($row[$field])) ? $row[$field] : false; 356 } 357 358 return false; 359 } 360 361 /** 362 * {@inheritDoc} 363 */ 364 function sql_like_expression($expression) 365 { 366 $expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression); 367 $expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression); 368 369 return $this->_sql_like_expression('LIKE \'' . $this->sql_escape($expression) . '\''); 370 } 371 372 /** 373 * {@inheritDoc} 374 */ 375 function sql_not_like_expression($expression) 376 { 377 $expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression); 378 $expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression); 379 380 return $this->_sql_not_like_expression('NOT LIKE \'' . $this->sql_escape($expression) . '\''); 381 } 382 383 /** 384 * {@inheritDoc} 385 */ 386 public function sql_case($condition, $action_true, $action_false = false) 387 { 388 $sql_case = 'CASE WHEN ' . $condition; 389 $sql_case .= ' THEN ' . $action_true; 390 $sql_case .= ($action_false !== false) ? ' ELSE ' . $action_false : ''; 391 $sql_case .= ' END'; 392 return $sql_case; 393 } 394 395 /** 396 * {@inheritDoc} 397 */ 398 public function sql_concatenate($expr1, $expr2) 399 { 400 return $expr1 . ' || ' . $expr2; 401 } 402 403 /** 404 * {@inheritDoc} 405 */ 406 function sql_buffer_nested_transactions() 407 { 408 return false; 409 } 410 411 /** 412 * {@inheritDoc} 413 */ 414 function sql_transaction($status = 'begin') 415 { 416 switch ($status) 417 { 418 case 'begin': 419 // If we are within a transaction we will not open another one, but enclose the current one to not loose data (preventing auto commit) 420 if ($this->transaction) 421 { 422 $this->transactions++; 423 return true; 424 } 425 426 $result = $this->_sql_transaction('begin'); 427 428 if (!$result) 429 { 430 $this->sql_error(); 431 } 432 433 $this->transaction = true; 434 break; 435 436 case 'commit': 437 // If there was a previously opened transaction we do not commit yet... 438 // but count back the number of inner transactions 439 if ($this->transaction && $this->transactions) 440 { 441 $this->transactions--; 442 return true; 443 } 444 445 // Check if there is a transaction (no transaction can happen if 446 // there was an error, with a combined rollback and error returning enabled) 447 // This implies we have transaction always set for autocommit db's 448 if (!$this->transaction) 449 { 450 return false; 451 } 452 453 $result = $this->_sql_transaction('commit'); 454 455 if (!$result) 456 { 457 $this->sql_error(); 458 } 459 460 $this->transaction = false; 461 $this->transactions = 0; 462 break; 463 464 case 'rollback': 465 $result = $this->_sql_transaction('rollback'); 466 $this->transaction = false; 467 $this->transactions = 0; 468 break; 469 470 default: 471 $result = $this->_sql_transaction($status); 472 break; 473 } 474 475 return $result; 476 } 477 478 /** 479 * {@inheritDoc} 480 */ 481 function sql_build_array($query, $assoc_ary = false) 482 { 483 if (!is_array($assoc_ary)) 484 { 485 return false; 486 } 487 488 $fields = $values = array(); 489 490 if ($query == 'INSERT' || $query == 'INSERT_SELECT') 491 { 492 foreach ($assoc_ary as $key => $var) 493 { 494 $fields[] = $key; 495 496 if (is_array($var) && is_string($var[0])) 497 { 498 // This is used for INSERT_SELECT(s) 499 $values[] = $var[0]; 500 } 501 else 502 { 503 $values[] = $this->_sql_validate_value($var); 504 } 505 } 506 507 $query = ($query == 'INSERT') ? ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')' : ' (' . implode(', ', $fields) . ') SELECT ' . implode(', ', $values) . ' '; 508 } 509 else if ($query == 'MULTI_INSERT') 510 { 511 trigger_error('The MULTI_INSERT query value is no longer supported. Please use sql_multi_insert() instead.', E_USER_ERROR); 512 } 513 else if ($query == 'UPDATE' || $query == 'SELECT' || $query == 'DELETE') 514 { 515 $values = array(); 516 foreach ($assoc_ary as $key => $var) 517 { 518 $values[] = "$key = " . $this->_sql_validate_value($var); 519 } 520 $query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values); 521 } 522 523 return $query; 524 } 525 526 /** 527 * {@inheritDoc} 528 */ 529 function sql_in_set($field, $array, $negate = false, $allow_empty_set = false) 530 { 531 if (!sizeof($array)) 532 { 533 if (!$allow_empty_set) 534 { 535 // Print the backtrace to help identifying the location of the problematic code 536 $this->sql_error('No values specified for SQL IN comparison'); 537 } 538 else 539 { 540 // NOT IN () actually means everything so use a tautology 541 if ($negate) 542 { 543 return '1=1'; 544 } 545 // IN () actually means nothing so use a contradiction 546 else 547 { 548 return '1=0'; 549 } 550 } 551 } 552 553 if (!is_array($array)) 554 { 555 $array = array($array); 556 } 557 558 if (sizeof($array) == 1) 559 { 560 @reset($array); 561 $var = current($array); 562 563 return $field . ($negate ? ' <> ' : ' = ') . $this->_sql_validate_value($var); 564 } 565 else 566 { 567 return $field . ($negate ? ' NOT IN ' : ' IN ') . '(' . implode(', ', array_map(array($this, '_sql_validate_value'), $array)) . ')'; 568 } 569 } 570 571 /** 572 * {@inheritDoc} 573 */ 574 function sql_bit_and($column_name, $bit, $compare = '') 575 { 576 if (method_exists($this, '_sql_bit_and')) 577 { 578 return $this->_sql_bit_and($column_name, $bit, $compare); 579 } 580 581 return $column_name . ' & ' . (1 << $bit) . (($compare) ? ' ' . $compare : ''); 582 } 583 584 /** 585 * {@inheritDoc} 586 */ 587 function sql_bit_or($column_name, $bit, $compare = '') 588 { 589 if (method_exists($this, '_sql_bit_or')) 590 { 591 return $this->_sql_bit_or($column_name, $bit, $compare); 592 } 593 594 return $column_name . ' | ' . (1 << $bit) . (($compare) ? ' ' . $compare : ''); 595 } 596 597 /** 598 * {@inheritDoc} 599 */ 600 function cast_expr_to_bigint($expression) 601 { 602 return $expression; 603 } 604 605 /** 606 * {@inheritDoc} 607 */ 608 function cast_expr_to_string($expression) 609 { 610 return $expression; 611 } 612 613 /** 614 * {@inheritDoc} 615 */ 616 function sql_lower_text($column_name) 617 { 618 return "LOWER($column_name)"; 619 } 620 621 /** 622 * {@inheritDoc} 623 */ 624 function sql_multi_insert($table, $sql_ary) 625 { 626 if (!sizeof($sql_ary)) 627 { 628 return false; 629 } 630 631 if ($this->multi_insert) 632 { 633 $ary = array(); 634 foreach ($sql_ary as $id => $_sql_ary) 635 { 636 // If by accident the sql array is only one-dimensional we build a normal insert statement 637 if (!is_array($_sql_ary)) 638 { 639 return $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $sql_ary)); 640 } 641 642 $values = array(); 643 foreach ($_sql_ary as $key => $var) 644 { 645 $values[] = $this->_sql_validate_value($var); 646 } 647 $ary[] = '(' . implode(', ', $values) . ')'; 648 } 649 650 return $this->sql_query('INSERT INTO ' . $table . ' ' . ' (' . implode(', ', array_keys($sql_ary[0])) . ') VALUES ' . implode(', ', $ary)); 651 } 652 else 653 { 654 foreach ($sql_ary as $ary) 655 { 656 if (!is_array($ary)) 657 { 658 return false; 659 } 660 661 $result = $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $ary)); 662 663 if (!$result) 664 { 665 return false; 666 } 667 } 668 } 669 670 return true; 671 } 672 673 /** 674 * Function for validating values 675 * @access private 676 */ 677 function _sql_validate_value($var) 678 { 679 if (is_null($var)) 680 { 681 return 'NULL'; 682 } 683 else if (is_string($var)) 684 { 685 return "'" . $this->sql_escape($var) . "'"; 686 } 687 else 688 { 689 return (is_bool($var)) ? intval($var) : $var; 690 } 691 } 692 693 /** 694 * {@inheritDoc} 695 */ 696 function sql_build_query($query, $array) 697 { 698 $sql = ''; 699 switch ($query) 700 { 701 case 'SELECT': 702 case 'SELECT_DISTINCT'; 703 704 $sql = str_replace('_', ' ', $query) . ' ' . $array['SELECT'] . ' FROM '; 705 706 // Build table array. We also build an alias array for later checks. 707 $table_array = $aliases = array(); 708 $used_multi_alias = false; 709 710 foreach ($array['FROM'] as $table_name => $alias) 711 { 712 if (is_array($alias)) 713 { 714 $used_multi_alias = true; 715 716 foreach ($alias as $multi_alias) 717 { 718 $table_array[] = $table_name . ' ' . $multi_alias; 719 $aliases[] = $multi_alias; 720 } 721 } 722 else 723 { 724 $table_array[] = $table_name . ' ' . $alias; 725 $aliases[] = $alias; 726 } 727 } 728 729 // We run the following code to determine if we need to re-order the table array. ;) 730 // The reason for this is that for multi-aliased tables (two equal tables) in the FROM statement the last table need to match the first comparison. 731 // DBMS who rely on this: Oracle, PostgreSQL and MSSQL. For all other DBMS it makes absolutely no difference in which order the table is. 732 if (!empty($array['LEFT_JOIN']) && sizeof($array['FROM']) > 1 && $used_multi_alias !== false) 733 { 734 // Take first LEFT JOIN 735 $join = current($array['LEFT_JOIN']); 736 737 // Determine the table used there (even if there are more than one used, we only want to have one 738 preg_match('/(' . implode('|', $aliases) . ')\.[^\s]+/U', str_replace(array('(', ')', 'AND', 'OR', ' '), '', $join['ON']), $matches); 739 740 // If there is a first join match, we need to make sure the table order is correct 741 if (!empty($matches[1])) 742 { 743 $first_join_match = trim($matches[1]); 744 $table_array = $last = array(); 745 746 foreach ($array['FROM'] as $table_name => $alias) 747 { 748 if (is_array($alias)) 749 { 750 foreach ($alias as $multi_alias) 751 { 752 ($multi_alias === $first_join_match) ? $last[] = $table_name . ' ' . $multi_alias : $table_array[] = $table_name . ' ' . $multi_alias; 753 } 754 } 755 else 756 { 757 ($alias === $first_join_match) ? $last[] = $table_name . ' ' . $alias : $table_array[] = $table_name . ' ' . $alias; 758 } 759 } 760 761 $table_array = array_merge($table_array, $last); 762 } 763 } 764 765 $sql .= $this->_sql_custom_build('FROM', implode(' CROSS JOIN ', $table_array)); 766 767 if (!empty($array['LEFT_JOIN'])) 768 { 769 foreach ($array['LEFT_JOIN'] as $join) 770 { 771 $sql .= ' LEFT JOIN ' . key($join['FROM']) . ' ' . current($join['FROM']) . ' ON (' . $join['ON'] . ')'; 772 } 773 } 774 775 if (!empty($array['WHERE'])) 776 { 777 $sql .= ' WHERE ' . $this->_sql_custom_build('WHERE', $array['WHERE']); 778 } 779 780 if (!empty($array['GROUP_BY'])) 781 { 782 $sql .= ' GROUP BY ' . $array['GROUP_BY']; 783 } 784 785 if (!empty($array['ORDER_BY'])) 786 { 787 $sql .= ' ORDER BY ' . $array['ORDER_BY']; 788 } 789 790 break; 791 } 792 793 return $sql; 794 } 795 796 /** 797 * {@inheritDoc} 798 */ 799 function sql_error($sql = '') 800 { 801 global $auth, $user, $config; 802 803 // Set var to retrieve errored status 804 $this->sql_error_triggered = true; 805 $this->sql_error_sql = $sql; 806 807 $this->sql_error_returned = $this->_sql_error(); 808 809 if (!$this->return_on_error) 810 { 811 $message = 'SQL ERROR [ ' . $this->sql_layer . ' ]<br /><br />' . $this->sql_error_returned['message'] . ' [' . $this->sql_error_returned['code'] . ']'; 812 813 // Show complete SQL error and path to administrators only 814 // Additionally show complete error on installation or if extended debug mode is enabled 815 // The DEBUG constant is for development only! 816 if ((isset($auth) && $auth->acl_get('a_')) || defined('IN_INSTALL') || defined('DEBUG')) 817 { 818 $message .= ($sql) ? '<br /><br />SQL<br /><br />' . htmlspecialchars($sql) : ''; 819 } 820 else 821 { 822 // If error occurs in initiating the session we need to use a pre-defined language string 823 // This could happen if the connection could not be established for example (then we are not able to grab the default language) 824 if (!isset($user->lang['SQL_ERROR_OCCURRED'])) 825 { 826 $message .= '<br /><br />An sql error occurred while fetching this page. Please contact an administrator if this problem persists.'; 827 } 828 else 829 { 830 if (!empty($config['board_contact'])) 831 { 832 $message .= '<br /><br />' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>'); 833 } 834 else 835 { 836 $message .= '<br /><br />' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '', ''); 837 } 838 } 839 } 840 841 if ($this->transaction) 842 { 843 $this->sql_transaction('rollback'); 844 } 845 846 if (strlen($message) > 1024) 847 { 848 // We need to define $msg_long_text here to circumvent text stripping. 849 global $msg_long_text; 850 $msg_long_text = $message; 851 852 trigger_error(false, E_USER_ERROR); 853 } 854 855 trigger_error($message, E_USER_ERROR); 856 } 857 858 if ($this->transaction) 859 { 860 $this->sql_transaction('rollback'); 861 } 862 863 return $this->sql_error_returned; 864 } 865 866 /** 867 * {@inheritDoc} 868 */ 869 function sql_report($mode, $query = '') 870 { 871 global $cache, $starttime, $phpbb_root_path, $phpbb_path_helper, $user; 872 global $request; 873 874 if (is_object($request) && !$request->variable('explain', false)) 875 { 876 return false; 877 } 878 879 if (!$query && $this->query_hold != '') 880 { 881 $query = $this->query_hold; 882 } 883 884 switch ($mode) 885 { 886 case 'display': 887 if (!empty($cache)) 888 { 889 $cache->unload(); 890 } 891 $this->sql_close(); 892 893 $mtime = explode(' ', microtime()); 894 $totaltime = $mtime[0] + $mtime[1] - $starttime; 895 896 echo '<!DOCTYPE html> 897 <html dir="ltr"> 898 <head> 899 <meta charset="utf-8"> 900 <meta http-equiv="X-UA-Compatible" content="IE=edge"> 901 <title>SQL Report</title> 902 <link href="' . htmlspecialchars($phpbb_path_helper->update_web_root_path($phpbb_root_path) . $phpbb_path_helper->get_adm_relative_path()) . 'style/admin.css" rel="stylesheet" type="text/css" media="screen" /> 903 </head> 904 <body id="errorpage"> 905 <div id="wrap"> 906 <div id="page-header"> 907 <a href="' . build_url('explain') . '">Return to previous page</a> 908 </div> 909 <div id="page-body"> 910 <div id="acp"> 911 <div class="panel"> 912 <span class="corners-top"><span></span></span> 913 <div id="content"> 914 <h1>SQL Report</h1> 915 <br /> 916 <p><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries['normal']} queries" . (($this->num_queries['cached']) ? " + {$this->num_queries['cached']} " . (($this->num_queries['cached'] == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></p> 917 918 <p>Time spent on ' . $this->sql_layer . ' queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></p> 919 920 <br /><br /> 921 ' . $this->sql_report . ' 922 </div> 923 <span class="corners-bottom"><span></span></span> 924 </div> 925 </div> 926 </div> 927 <div id="page-footer"> 928 Powered by <a href="https://www.phpbb.com/">phpBB</a>® Forum Software © phpBB Limited 929 </div> 930 </div> 931 </body> 932 </html>'; 933 934 exit_handler(); 935 936 break; 937 938 case 'stop': 939 $endtime = explode(' ', microtime()); 940 $endtime = $endtime[0] + $endtime[1]; 941 942 $this->sql_report .= ' 943 944 <table cellspacing="1"> 945 <thead> 946 <tr> 947 <th>Query #' . $this->num_queries['total'] . '</th> 948 </tr> 949 </thead> 950 <tbody> 951 <tr> 952 <td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td> 953 </tr> 954 </tbody> 955 </table> 956 957 ' . $this->html_hold . ' 958 959 <p style="text-align: center;"> 960 '; 961 962 if ($this->query_result) 963 { 964 if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query)) 965 { 966 $this->sql_report .= 'Affected rows: <b>' . $this->sql_affectedrows() . '</b> | '; 967 } 968 $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $this->curtime) . 's</b>'; 969 } 970 else 971 { 972 $error = $this->sql_error(); 973 $this->sql_report .= '<b style="color: red">FAILED</b> - ' . $this->sql_layer . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']); 974 } 975 976 $this->sql_report .= '</p><br /><br />'; 977 978 $this->sql_time += $endtime - $this->curtime; 979 break; 980 981 case 'start': 982 $this->query_hold = $query; 983 $this->html_hold = ''; 984 985 $this->_sql_report($mode, $query); 986 987 $this->curtime = explode(' ', microtime()); 988 $this->curtime = $this->curtime[0] + $this->curtime[1]; 989 990 break; 991 992 case 'add_select_row': 993 994 $html_table = func_get_arg(2); 995 $row = func_get_arg(3); 996 997 if (!$html_table && sizeof($row)) 998 { 999 $html_table = true; 1000 $this->html_hold .= '<table cellspacing="1"><tr>'; 1001 1002 foreach (array_keys($row) as $val) 1003 { 1004 $this->html_hold .= '<th>' . (($val) ? ucwords(str_replace('_', ' ', $val)) : ' ') . '</th>'; 1005 } 1006 $this->html_hold .= '</tr>'; 1007 } 1008 $this->html_hold .= '<tr>'; 1009 1010 $class = 'row1'; 1011 foreach (array_values($row) as $val) 1012 { 1013 $class = ($class == 'row1') ? 'row2' : 'row1'; 1014 $this->html_hold .= '<td class="' . $class . '">' . (($val) ? $val : ' ') . '</td>'; 1015 } 1016 $this->html_hold .= '</tr>'; 1017 1018 return $html_table; 1019 1020 break; 1021 1022 case 'fromcache': 1023 1024 $this->_sql_report($mode, $query); 1025 1026 break; 1027 1028 case 'record_fromcache': 1029 1030 $endtime = func_get_arg(2); 1031 $splittime = func_get_arg(3); 1032 1033 $time_cache = $endtime - $this->curtime; 1034 $time_db = $splittime - $endtime; 1035 $color = ($time_db > $time_cache) ? 'green' : 'red'; 1036 1037 $this->sql_report .= '<table cellspacing="1"><thead><tr><th>Query results obtained from the cache</th></tr></thead><tbody><tr>'; 1038 $this->sql_report .= '<td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></tbody></table>'; 1039 $this->sql_report .= '<p style="text-align: center;">'; 1040 $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p><br /><br />'; 1041 1042 // Pad the start time to not interfere with page timing 1043 $starttime += $time_db; 1044 1045 break; 1046 1047 default: 1048 1049 $this->_sql_report($mode, $query); 1050 1051 break; 1052 } 1053 1054 return true; 1055 } 1056 1057 /** 1058 * {@inheritDoc} 1059 */ 1060 function get_estimated_row_count($table_name) 1061 { 1062 return $this->get_row_count($table_name); 1063 } 1064 1065 /** 1066 * {@inheritDoc} 1067 */ 1068 function get_row_count($table_name) 1069 { 1070 $sql = 'SELECT COUNT(*) AS rows_total 1071 FROM ' . $this->sql_escape($table_name); 1072 $result = $this->sql_query($sql); 1073 $rows_total = $this->sql_fetchfield('rows_total'); 1074 $this->sql_freeresult($result); 1075 1076 return $rows_total; 1077 } 1078 }
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| Generated: Thu Jan 11 00:25:41 2018 | Cross-referenced by PHPXref 0.7.1 |