sql.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4 /**
   5  * @todo    we must handle the case if sql.php is called directly with a query
   6  *          what returns 0 rows - to prevent cyclic redirects or includes
   7  */
   8
   9 /**
  10  * Gets some core libraries
  11  */
  12 require_once './libraries/common.lib.php';
  13 require_once './libraries/Table.class.php';
  14 require_once './libraries/tbl_indexes.lib.php';
  15 require_once './libraries/check_user_privileges.lib.php';
  16 require_once './libraries/bookmark.lib.php';
  17
  18 /**
  19  * Could be coming from a subform ("T" column expander)
  20  */
  21 if (isset($_REQUEST['dontlimitchars'])) {
  22     $dontlimitchars = $_REQUEST['dontlimitchars'];
  23 }
  24
  25 /**
  26  * Defines the url to return to in case of error in a sql statement
  27  */
  28 // Security checkings
  29 if (!empty($goto)) {
  30     $is_gotofile     = preg_replace('@^([^?]+).*$@s', '\\1', $goto);
  31     if (!@file_exists('./' . $is_gotofile)) {
  32         unset($goto);
  33     } else {
  34         $is_gotofile = ($is_gotofile == $goto);
  35     }
  36 } // end if (security checkings)
  37
  38 if (empty($goto)) {
  39     $goto = (! isset($table) || ! strlen($table)) ? $cfg['DefaultTabDatabase'] : $cfg['DefaultTabTable'];
  40     $is_gotofile  = true;
  41 } // end if
  42 if (!isset($err_url)) {
  43     $err_url = (!empty($back) ? $back : $goto)
  44              . '?' . PMA_generate_common_url(isset($db) ? $db : '')
  45              . ((strpos(' ' . $goto, 'db_details') != 1 && isset($table)) ? '&amp;table=' . urlencode($table) : '');
  46 } // end if
  47
  48 // Coming from a bookmark dialog
  49 if (isset($fields['query'])) {
  50     $sql_query = $fields['query'];
  51 }
  52
  53 // This one is just to fill $db
  54 if (isset($fields['dbase'])) {
  55     $db = $fields['dbase'];
  56 }
  57
  58 // Default to browse if no query set an we have table
  59 // (needed for browsing from DefaultTabTable)
  60 if (! isset($sql_query) && isset($table) && isset($db)) {
  61     require_once './libraries/bookmark.lib.php';
  62     $book_sql_query = PMA_queryBookmarks($db,
  63         $GLOBALS['cfg']['Bookmark'], '\'' . PMA_sqlAddslashes($table) . '\'',
  64         'label');
  65
  66     if (! empty($book_sql_query)) {
  67         $sql_query = $book_sql_query;
  68     } else {
  69         $sql_query = 'SELECT * FROM ' . PMA_backquote($table);
  70     }
  71     unset($book_sql_query);
  72
  73     // set $goto to what will be displayed if query returns 0 rows
  74     $goto = 'tbl_properties_structure.php';
  75 } else {
  76     // Now we can check the parameters
  77     PMA_checkParameters(array('sql_query'));
  78 }
  79
  80 // instead of doing the test twice
  81 $is_drop_database = preg_match('/DROP[[:space:]]+(DATABASE|SCHEMA)[[:space:]]+/i',
  82     $sql_query);
  83
  84 /**
  85  * Check rights in case of DROP DATABASE
  86  *
  87  * This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
  88  * but since a malicious user may pass this variable by url/form, we don't take
  89  * into account this case.
  90  */
  91 if (!defined('PMA_CHK_DROP')
  92     && !$cfg['AllowUserDropDatabase']
  93     && $is_drop_database
  94     && !$is_superuser) {
  95     require_once './libraries/header.inc.php';
  96     PMA_mysqlDie($strNoDropDatabases, '', '', $err_url);
  97 } // end if
  98
  99
 100 /**
 101  * Need to find the real end of rows?
 102  */
 103
 104 if (isset($find_real_end) && $find_real_end) {
 105     $unlim_num_rows = PMA_Table::countRecords($db, $table, true, true);
 106     $pos = @((ceil($unlim_num_rows / $session_max_rows) - 1) * $session_max_rows);
 107 }
 108 /**
 109  * Avoids undefined variables
 110  */
 111 elseif (!isset($pos)) {
 112     $pos = 0;
 113 }
 114
 115 /**
 116  * Bookmark add
 117  */
 118 if (isset($store_bkm)) {
 119     PMA_addBookmarks($fields, $cfg['Bookmark'], (isset($bkm_all_users) && $bkm_all_users == 'true' ? true : false));
 120     PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto);
 121 } // end if
 122
 123
 124 /**
 125  * Gets the true sql query
 126  */
 127 // $sql_query has been urlencoded in the confirmation form for drop/delete
 128 // queries or in the navigation bar for browsing among records
 129 if (isset($btnDrop) || isset($navig)) {
 130     $sql_query = urldecode($sql_query);
 131 }
 132
 133 /**
 134  * Reformat the query
 135  */
 136
 137 $GLOBALS['unparsed_sql'] = $sql_query;
 138 $parsed_sql = PMA_SQP_parse($sql_query);
 139 $analyzed_sql = PMA_SQP_analyze($parsed_sql);
 140
 141 // Bug #641765 - Robbat2 - 12 January 2003, 10:49PM
 142 // Reverted - Robbat2 - 13 January 2003, 2:40PM
 143
 144 // lem9: for bug 780516: now that we use case insensitive preg_match
 145 // or flags from the analyser, do not put back the reformatted query
 146 // into $sql_query, to make this kind of query work without
 147 // capitalizing keywords:
 148 //
 149 // CREATE TABLE SG_Persons (
 150 //  id int(10) unsigned NOT NULL auto_increment,
 151 //  first varchar(64) NOT NULL default '',
 152 //  PRIMARY KEY  (`id`)
 153 // )
 154 //
 155 // Note: now we probably do not need to fill and use $GLOBALS['unparsed_sql']
 156 // but I let this intact for now.
 157 //
 158 //$sql_query = PMA_SQP_formatHtml($parsed_sql, 'query_only');
 159
 160
 161 // check for a real SELECT ... FROM
 162 $is_select = isset($analyzed_sql[0]['queryflags']['select_from']);
 163
 164 // If the query is a Select, extract the db and table names and modify
 165 // $db and $table, to have correct page headers, links and left frame.
 166 // db and table name may be enclosed with backquotes, db is optionnal,
 167 // query may contain aliases.
 168
 169 // (TODO: if there are more than one table name in the Select:
 170 // - do not extract the first table name
 171 // - do not show a table name in the page header
 172 // - do not display the sub-pages links)
 173
 174 if ($is_select) {
 175     $prev_db = $db;
 176     if (isset($analyzed_sql[0]['table_ref'][0]['table_true_name'])) {
 177         $table = $analyzed_sql[0]['table_ref'][0]['table_true_name'];
 178     }
 179     if (isset($analyzed_sql[0]['table_ref'][0]['db'])
 180       && strlen($analyzed_sql[0]['table_ref'][0]['db'])) {
 181         $db    = $analyzed_sql[0]['table_ref'][0]['db'];
 182     } else {
 183         $db = $prev_db;
 184     }
 185     // Nijel: don't change reload, if we already decided to reload in import
 186     if (empty($reload)) {
 187         $reload  = ($db == $prev_db) ? 0 : 1;
 188     }
 189 }
 190
 191 /**
 192  * Sets or modifies the $goto variable if required
 193  */
 194 if ($goto == 'sql.php') {
 195     $is_gotofile = false;
 196     $goto = 'sql.php?'
 197           . PMA_generate_common_url($db, $table)
 198           . '&amp;pos=' . $pos
 199           . '&amp;sql_query=' . urlencode($sql_query);
 200 } // end if
 201
 202
 203 /**
 204  * Go back to further page if table should not be dropped
 205  */
 206 if (isset($btnDrop) && $btnDrop == $strNo) {
 207     if (!empty($back)) {
 208         $goto = $back;
 209     }
 210     if ($is_gotofile) {
 211         if (strpos(' ' . $goto, 'db_details') == 1 && isset($table) && strlen($table)) {
 212             unset($table);
 213         }
 214         $active_page = $goto;
 215         require './' . PMA_securePath($goto);
 216     } else {
 217         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto));
 218     }
 219     exit();
 220 } // end if
 221
 222
 223 /**
 224  * Displays the confirm page if required
 225  *
 226  * This part of the script is bypassed if $is_js_confirmed = 1 (already checked
 227  * with js) because possible security issue is not so important here: at most,
 228  * the confirm message isn't displayed.
 229  *
 230  * Also bypassed if only showing php code.or validating a SQL query
 231  */
 232 if (!$cfg['Confirm']
 233     || (isset($is_js_confirmed) && $is_js_confirmed)
 234     || isset($btnDrop)
 235
 236     // if we are coming from a "Create PHP code" or a "Without PHP Code"
 237     // dialog, we won't execute the query anyway, so don't confirm
 238     //|| !empty($GLOBALS['show_as_php'])
 239     || isset($GLOBALS['show_as_php'])
 240
 241     || !empty($GLOBALS['validatequery'])) {
 242     $do_confirm = false;
 243 } else {
 244     $do_confirm = isset($analyzed_sql[0]['queryflags']['need_confirm']);
 245 }
 246
 247 if ($do_confirm) {
 248     $stripped_sql_query = $sql_query;
 249     require_once './libraries/header.inc.php';
 250     if ($is_drop_database) {
 251         echo '<h1 class="warning">' . $strDropDatabaseStrongWarning . '</h1>';
 252     }
 253     echo '<form action="sql.php" method="post">' . "\n"
 254         .PMA_generate_common_hidden_inputs($db, (isset($table)?$table:''));
 255     ?>
 256     <input type="hidden" name="sql_query" value="<?php echo urlencode($sql_query); ?>" />
 257     <input type="hidden" name="zero_rows" value="<?php echo isset($zero_rows) ? PMA_sanitize($zero_rows) : ''; ?>" />
 258     <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
 259     <input type="hidden" name="back" value="<?php echo isset($back) ? PMA_sanitize($back) : ''; ?>" />
 260     <input type="hidden" name="reload" value="<?php echo isset($reload) ? PMA_sanitize($reload) : 0; ?>" />
 261     <input type="hidden" name="purge" value="<?php echo isset($purge) ? PMA_sanitize($purge) : ''; ?>" />
 262     <input type="hidden" name="cpurge" value="<?php echo isset($cpurge) ? PMA_sanitize($cpurge) : ''; ?>" />
 263     <input type="hidden" name="purgekey" value="<?php echo isset($purgekey) ? PMA_sanitize($purgekey) : ''; ?>" />
 264     <input type="hidden" name="show_query" value="<?php echo isset($show_query) ? PMA_sanitize($show_query) : ''; ?>" />
 265     <?php
 266     echo '<fieldset class="confirmation">' . "\n"
 267         .'    <legend>' . $strDoYouReally . '</legend>'
 268         .'    <tt>' . htmlspecialchars($stripped_sql_query) . '</tt>' . "\n"
 269         .'</fieldset>' . "\n"
 270         .'<fieldset class="tblFooters">' . "\n";
 271     ?>
 272     <input type="submit" name="btnDrop" value="<?php echo $strYes; ?>" id="buttonYes" />
 273     <input type="submit" name="btnDrop" value="<?php echo $strNo; ?>" id="buttonNo" />
 274     <?php
 275     echo '</fieldset>' . "\n"
 276        . '</form>' . "\n";
 277 } // end if $do_confirm
 278
 279
 280 /**
 281  * Executes the query and displays results
 282  */
 283 else {
 284     if (!isset($sql_query)) {
 285         $sql_query = '';
 286     }
 287     // Defines some variables
 288     // A table has to be created or renamed -> left frame should be reloaded
 289     // TODO: use the parser/analyzer
 290
 291     if (empty($reload)
 292         && preg_match('/^(CREATE|ALTER|DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
 293         $reload           = 1;
 294     }
 295     // Gets the number of rows per page
 296     if (empty($session_max_rows)) {
 297         $session_max_rows = $cfg['MaxRows'];
 298     } elseif ($session_max_rows != 'all') {
 299         $cfg['MaxRows']   = $session_max_rows;
 300     }
 301     // Defines the display mode (horizontal/vertical) and header "frequency"
 302     if (empty($disp_direction)) {
 303         $disp_direction   = $cfg['DefaultDisplay'];
 304     }
 305     if (empty($repeat_cells)) {
 306         $repeat_cells     = $cfg['RepeatCells'];
 307     }
 308
 309     // SK -- Patch: $is_group added for use in calculation of total number of
 310     //              rows.
 311     //              $is_count is changed for more correct "LIMIT" clause
 312     //              appending in queries like
 313     //                "SELECT COUNT(...) FROM ... GROUP BY ..."
 314
 315     // TODO: detect all this with the parser, to avoid problems finding
 316     // those strings in comments or backquoted identifiers
 317
 318     $is_explain = $is_count = $is_export = $is_delete = $is_insert = $is_affected = $is_show = $is_maint = $is_analyse = $is_group = $is_func = $is_replace = false;
 319     if ($is_select) { // see line 141
 320         $is_group = preg_match('@(GROUP[[:space:]]+BY|HAVING|SELECT[[:space:]]+DISTINCT)[[:space:]]+@i', $sql_query);
 321         $is_func =  !$is_group && (preg_match('@[[:space:]]+(SUM|AVG|STD|STDDEV|MIN|MAX|BIT_OR|BIT_AND)\s*\(@i', $sql_query));
 322         $is_count = !$is_group && (preg_match('@^SELECT[[:space:]]+COUNT\((.*\.+)?.*\)@i', $sql_query));
 323         $is_export   = (preg_match('@[[:space:]]+INTO[[:space:]]+OUTFILE[[:space:]]+@i', $sql_query));
 324         $is_analyse  = (preg_match('@[[:space:]]+PROCEDURE[[:space:]]+ANALYSE@i', $sql_query));
 325     } elseif (preg_match('@^EXPLAIN[[:space:]]+@i', $sql_query)) {
 326         $is_explain  = true;
 327     } elseif (preg_match('@^DELETE[[:space:]]+@i', $sql_query)) {
 328         $is_delete   = true;
 329         $is_affected = true;
 330     } elseif (preg_match('@^(INSERT|LOAD[[:space:]]+DATA|REPLACE)[[:space:]]+@i', $sql_query)) {
 331         $is_insert   = true;
 332         $is_affected = true;
 333         if (preg_match('@^(REPLACE)[[:space:]]+@i', $sql_query)) {
 334             $is_replace = true;
 335         }
 336     } elseif (preg_match('@^UPDATE[[:space:]]+@i', $sql_query)) {
 337         $is_affected = true;
 338     } elseif (preg_match('@^SHOW[[:space:]]+@i', $sql_query)) {
 339         $is_show     = true;
 340     } elseif (preg_match('@^(CHECK|ANALYZE|REPAIR|OPTIMIZE)[[:space:]]+TABLE[[:space:]]+@i', $sql_query)) {
 341         $is_maint    = true;
 342     }
 343
 344     // Do append a "LIMIT" clause?
 345     if (isset($pos)
 346         && (!$cfg['ShowAll'] || $session_max_rows != 'all')
 347         && !($is_count || $is_export || $is_func || $is_analyse)
 348         && isset($analyzed_sql[0]['queryflags']['select_from'])
 349         && !isset($analyzed_sql[0]['queryflags']['offset'])
 350         && !preg_match('@[[:space:]]LIMIT[[:space:]0-9,-]+(;)?$@i', $sql_query)) {
 351         $sql_limit_to_append = " LIMIT $pos, ".$cfg['MaxRows'] . " ";
 352
 353         $full_sql_query  = $analyzed_sql[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_sql[0]['section_after_limit'];
 354         // FIXME: pretty printing of this modified query
 355
 356         if (isset($display_query)) {
 357             // if the analysis of the original query revealed that we found
 358             // a section_after_limit, we now have to analyze $display_query
 359             // to display it correctly
 360
 361             if (!empty($analyzed_sql[0]['section_after_limit']) && trim($analyzed_sql[0]['section_after_limit']) != ';') {
 362                 $analyzed_display_query = PMA_SQP_analyze(PMA_SQP_parse($display_query));
 363                 $display_query  = $analyzed_display_query[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_display_query[0]['section_after_limit'];
 364             }
 365         }
 366
 367     } else {
 368         $full_sql_query      = $sql_query;
 369     } // end if...else
 370
 371     if (isset($db)) {
 372         PMA_DBI_select_db($db);
 373     }
 374
 375     // If the query is a DELETE query with no WHERE clause, get the number of
 376     // rows that will be deleted (mysql_affected_rows will always return 0 in
 377     // this case)
 378     // Note: testing shows that this no longer applies since MySQL 4.0.x
 379
 380     if (PMA_MYSQL_INT_VERSION < 40000) {
 381         if ($is_delete
 382             && preg_match('@^DELETE([[:space:]].+)?(FROM[[:space:]](.+))$@i', $sql_query, $parts)
 383             && !preg_match('@[[:space:]]WHERE[[:space:]]@i', $parts[3])) {
 384             $cnt_all_result = @PMA_DBI_try_query('SELECT COUNT(*) as count ' .  $parts[2]);
 385             if ($cnt_all_result) {
 386                 list($num_rows) = PMA_DBI_fetch_row($cnt_all_result);
 387                 PMA_DBI_free_result($cnt_all_result);
 388             } else {
 389                 $num_rows   = 0;
 390             }
 391         }
 392     }
 393
 394     //  E x e c u t e    t h e    q u e r y
 395
 396     // Only if we didn't ask to see the php code (mikebeck)
 397     if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
 398         unset($result);
 399         $num_rows = 0;
 400     } else {
 401         // garvin: Measure query time.
 402         // TODO-Item http://sourceforge.net/tracker/index.php?func=detail&aid=571934&group_id=23067&atid=377411
 403         $querytime_before = array_sum(explode(' ', microtime()));
 404
 405         $result   = @PMA_DBI_try_query($full_sql_query, null, PMA_DBI_QUERY_STORE);
 406
 407         $querytime_after = array_sum(explode(' ', microtime()));
 408
 409         $GLOBALS['querytime'] = $querytime_after - $querytime_before;
 410
 411         // Displays an error message if required and stop parsing the script
 412         if ($error        = PMA_DBI_getError()) {
 413             require_once './libraries/header.inc.php';
 414             $full_err_url = (preg_match('@^(db_details|tbl_properties)@', $err_url))
 415                           ? $err_url . '&amp;show_query=1&amp;sql_query=' . urlencode($sql_query)
 416                           : $err_url;
 417             PMA_mysqlDie($error, $full_sql_query, '', $full_err_url);
 418         }
 419         unset($error);
 420
 421         // Gets the number of rows affected/returned
 422         // (This must be done immediately after the query because
 423         // mysql_affected_rows() reports about the last query done)
 424
 425         if (!$is_affected) {
 426             $num_rows = ($result) ? @PMA_DBI_num_rows($result) : 0;
 427         } elseif (!isset($num_rows)) {
 428             $num_rows = @PMA_DBI_affected_rows();
 429         }
 430
 431         // Checks if the current database has changed
 432         // This could happen if the user sends a query like "USE `database`;"
 433         $res = PMA_DBI_query('SELECT DATABASE() AS \'db\';');
 434         $row = PMA_DBI_fetch_row($res);
 435         if (is_array($row) && isset($row[0]) && (strcasecmp($db, $row[0]) != 0)) {
 436             $db     = $row[0];
 437             $reload = 1;
 438         }
 439         @PMA_DBI_free_result($res);
 440         unset($res, $row);
 441
 442         // tmpfile remove after convert encoding appended by Y.Kawada
 443         if (function_exists('PMA_kanji_file_conv')
 444             && (isset($textfile) && file_exists($textfile))) {
 445             unlink($textfile);
 446         }
 447
 448         // Counts the total number of rows for the same 'SELECT' query without the
 449         // 'LIMIT' clause that may have been programatically added
 450
 451         if (empty($sql_limit_to_append)) {
 452             $unlim_num_rows         = $num_rows;
 453             // if we did not append a limit, set this to get a correct
 454             // "Showing rows..." message
 455             $GLOBALS['session_max_rows'] = 'all';
 456         } elseif ($is_select) {
 457
 458                 //    c o u n t    q u e r y
 459
 460                 // If we are "just browsing", there is only one table,
 461                 // and no where clause (or just 'WHERE 1 '),
 462                 // so we do a quick count (which uses MaxExactCount)
 463                 // because SQL_CALC_FOUND_ROWS
 464                 // is not quick on large InnoDB tables
 465
 466                 // but do not count again if we did it previously
 467                 // due to $find_real_end == true
 468
 469                 if (!$is_group
 470                  && !isset($analyzed_sql[0]['queryflags']['union'])
 471                  && !isset($analyzed_sql[0]['table_ref'][1]['table_name'])
 472                  && (empty($analyzed_sql[0]['where_clause'])
 473                    || $analyzed_sql[0]['where_clause'] == '1 ')
 474                  && !isset($find_real_end)
 475                  ) {
 476
 477                     // "j u s t   b r o w s i n g"
 478                     $unlim_num_rows = PMA_Table::countRecords($db, $table, true);
 479
 480                 } else { // n o t   " j u s t   b r o w s i n g "
 481
 482                     if (PMA_MYSQL_INT_VERSION < 40000) {
 483
 484                         // detect this case:
 485                         // SELECT DISTINCT x AS foo, y AS bar FROM sometable
 486
 487                         if (isset($analyzed_sql[0]['queryflags']['distinct'])) {
 488                             $count_what = 'DISTINCT ';
 489                             $first_expr = true;
 490                             foreach ($analyzed_sql[0]['select_expr'] as $part) {
 491                                 $count_what .= (!$first_expr ? ', ' : '') . $part['expr'];
 492                                 $first_expr = false;
 493                             }
 494                          } else {
 495                              $count_what = '*';
 496                          }
 497                         // this one does not apply to VIEWs
 498                         $count_query = 'SELECT COUNT(' . $count_what . ') AS count';
 499                     }
 500
 501                     // add the remaining of select expression if there is
 502                     // a GROUP BY or HAVING clause
 503                     if (PMA_MYSQL_INT_VERSION < 40000
 504                      && $count_what =='*'
 505                      && (!empty($analyzed_sql[0]['group_by_clause'])
 506                         || !empty($analyzed_sql[0]['having_clause']))) {
 507                         $count_query .= ' ,' . $analyzed_sql[0]['select_expr_clause'];
 508                     }
 509
 510                     if (PMA_MYSQL_INT_VERSION >= 40000) {
 511                          // add select expression after the SQL_CALC_FOUND_ROWS
 512
 513                             // for UNION, just adding SQL_CALC_FOUND_ROWS
 514                             // after the first SELECT works.
 515
 516                             // take the left part, could be:
 517                             // SELECT
 518                             // (SELECT
 519                             $count_query = PMA_SQP_formatHtml($parsed_sql, 'query_only', 0, $analyzed_sql[0]['position_of_first_select'] + 1);
 520                             $count_query .= ' SQL_CALC_FOUND_ROWS ';
 521                             // add everything that was after the first SELECT
 522                             $count_query .= PMA_SQP_formatHtml($parsed_sql, 'query_only', $analyzed_sql[0]['position_of_first_select']+1);
 523                     } else { // PMA_MYSQL_INT_VERSION < 40000
 524
 525                         if (!empty($analyzed_sql[0]['from_clause'])) {
 526                             $count_query .= ' FROM ' . $analyzed_sql[0]['from_clause'];
 527                         }
 528                         if (!empty($analyzed_sql[0]['where_clause'])) {
 529                             $count_query .= ' WHERE ' . $analyzed_sql[0]['where_clause'];
 530                         }
 531                         if (!empty($analyzed_sql[0]['group_by_clause'])) {
 532                             $count_query .= ' GROUP BY ' . $analyzed_sql[0]['group_by_clause'];
 533                         }
 534                         if (!empty($analyzed_sql[0]['having_clause'])) {
 535                             $count_query .= ' HAVING ' . $analyzed_sql[0]['having_clause'];
 536                         }
 537                     } // end if
 538
 539                     // if using SQL_CALC_FOUND_ROWS, add a LIMIT to avoid
 540                     // long delays. Returned count will be complete anyway.
 541                     // (but a LIMIT would disrupt results in an UNION)
 542
 543                     if (PMA_MYSQL_INT_VERSION >= 40000
 544                     && !isset($analyzed_sql[0]['queryflags']['union'])) {
 545                         $count_query .= ' LIMIT 1';
 546                     }
 547
 548                     // run the count query
 549
 550                     if (PMA_MYSQL_INT_VERSION < 40000) {
 551                         if ($cnt_all_result = PMA_DBI_try_query($count_query)) {
 552                             if ($is_group && $count_what == '*') {
 553                                 $unlim_num_rows = @PMA_DBI_num_rows($cnt_all_result);
 554                             } else {
 555                                 $unlim_num_rows = PMA_DBI_fetch_assoc($cnt_all_result);
 556                                 $unlim_num_rows = $unlim_num_rows['count'];
 557                             }
 558                             PMA_DBI_free_result($cnt_all_result);
 559                         } else {
 560                             if (PMA_DBI_getError()) {
 561
 562                                 // there are some cases where the generated
 563                                 // count_query (for MySQL 3) is wrong,
 564                                 // so we get here.
 565                                 //TODO: use a big unlimited query to get
 566                                 // the correct number of rows (depending
 567                                 // on a config variable?)
 568                                 $unlim_num_rows = 0;
 569                             }
 570                         }
 571                     } else {
 572                         PMA_DBI_try_query($count_query);
 573                         // if (mysql_error()) {
 574                         // void.
 575                         // I tried the case
 576                         // (SELECT `User`, `Host`, `Db`, `Select_priv` FROM `db`)
 577                         // UNION (SELECT `User`, `Host`, "%" AS "Db",
 578                         // `Select_priv`
 579                         // FROM `user`) ORDER BY `User`, `Host`, `Db`;
 580                         // and although the generated count_query is wrong
 581                         // the SELECT FOUND_ROWS() work! (maybe it gets the
 582                         // count from the latest query that worked)
 583                         //
 584                         // another case where the count_query is wrong:
 585                         // SELECT COUNT(*), f1 from t1 group by f1
 586                         // and you click to sort on count(*)
 587                         // }
 588                         $cnt_all_result       = PMA_DBI_query('SELECT FOUND_ROWS() as count;');
 589                         list($unlim_num_rows) = PMA_DBI_fetch_row($cnt_all_result);
 590                         @PMA_DBI_free_result($cnt_all_result);
 591                     }
 592             } // end else "just browsing"
 593
 594         } else { // not $is_select
 595              $unlim_num_rows         = 0;
 596         } // end rows total count
 597
 598         // garvin: if a table or database gets dropped, check column comments.
 599         if (isset($purge) && $purge == '1') {
 600             require_once './libraries/relation_cleanup.lib.php';
 601
 602             if (isset($table) && isset($db) && strlen($table) && strlen($db)) {
 603                 PMA_relationsCleanupTable($db, $table);
 604             } elseif (isset($db) && strlen($db)) {
 605                 PMA_relationsCleanupDatabase($db);
 606             } else {
 607                 // garvin: VOID. No DB/Table gets deleted.
 608             } // end if relation-stuff
 609          } // end if ($purge)
 610
 611         // garvin: If a column gets dropped, do relation magic.
 612         if (isset($cpurge) && $cpurge == '1' && isset($purgekey)
 613           && isset($db) && isset($table)
 614           && strlen($db) && strlen($table) && !empty($purgekey)) {
 615             require_once './libraries/relation_cleanup.lib.php';
 616             PMA_relationsCleanupColumn($db, $table, $purgekey);
 617
 618         } // end if column PMA_* purge
 619     } // end else "didn't ask to see php code"
 620
 621     // No rows returned -> move back to the calling page
 622     if ($num_rows < 1 || $is_affected) {
 623         if ($is_delete) {
 624             $message = $strDeletedRows . '&nbsp;' . $num_rows;
 625         } elseif ($is_insert) {
 626             if ($is_replace) {
 627                 /* For replace we get DELETED + INSERTED row count, so we have to call it affected */
 628                 $message = $strAffectedRows . '&nbsp;' . $num_rows;
 629             } else {
 630                 $message = $strInsertedRows . '&nbsp;' . $num_rows;
 631             }
 632             $insert_id = PMA_DBI_insert_id();
 633             if ($insert_id != 0) {
 634                 // insert_id is id of FIRST record inserted in one insert, so if we inserted multiple rows, we had to increment this
 635                 $message .= '[br]'.$strInsertedRowId . '&nbsp;' . ($insert_id + $num_rows - 1);
 636             }
 637         } elseif ($is_affected) {
 638             $message = $strAffectedRows . '&nbsp;' . $num_rows;
 639
 640             // Ok, here is an explanation for the !$is_select.
 641             // The form generated by sql_query_form.lib.php
 642             // and db_details.php has many submit buttons
 643             // on the same form, and some confusion arises from the
 644             // fact that $zero_rows is sent for every case.
 645             // The $zero_rows containing $strSuccess and sent with
 646             // the form should not have priority over
 647             // errors like $strEmptyResultSet
 648         } elseif (!empty($zero_rows) && !$is_select) {
 649             $message = $zero_rows;
 650         } elseif (!empty($GLOBALS['show_as_php'])) {
 651             $message = $strPhp;
 652         } elseif (!empty($GLOBALS['validatequery'])) {
 653             $message = $strValidateSQL;
 654         } else {
 655             $message = $strEmptyResultSet;
 656         }
 657
 658         $message .= ' ' . (isset($GLOBALS['querytime']) ? '(' . sprintf($strQueryTime, $GLOBALS['querytime']) . ')' : '');
 659
 660         if ($is_gotofile) {
 661             $goto = PMA_securePath($goto);
 662             // Checks for a valid target script
 663             $is_db = $is_table = false;
 664             include 'libraries/db_table_exists.lib.php';
 665             if (strpos($goto, 'tbl_properties') === 0 && ! $is_table) {
 666                 if (isset($table)) {
 667                     unset($table);
 668                 }
 669                 $goto = 'db_details.php';
 670             }
 671             if (strpos($goto, 'db_details') === 0 && ! $is_db) {
 672                 if (isset($db)) {
 673                     unset($db);
 674                 }
 675                 $goto = 'main.php';
 676             }
 677             // Loads to target script
 678             if (strpos($goto, 'db_details') === 0
 679              || strpos($goto, 'tbl_properties') === 0) {
 680                 $js_to_run = 'functions.js';
 681             }
 682             if ($goto != 'main.php') {
 683                 require_once './libraries/header.inc.php';
 684             }
 685             $active_page = $goto;
 686             require './' . $goto;
 687         } else {
 688             PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto) . '&message=' . urlencode($message));
 689         } // end else
 690         exit();
 691     } // end no rows returned
 692
 693     // At least one row is returned -> displays a table with results
 694     else {
 695         // Displays the headers
 696         if (isset($show_query)) {
 697             unset($show_query);
 698         }
 699         if (isset($printview) && $printview == '1') {
 700             require_once './libraries/header_printview.inc.php';
 701         } else {
 702             $js_to_run = 'functions.js';
 703             unset($message);
 704             if (isset($table) && strlen($table)) {
 705                 require './libraries/tbl_properties_common.php';
 706                 $url_query .= '&amp;goto=tbl_properties.php&amp;back=tbl_properties.php';
 707                 require './libraries/tbl_properties_table_info.inc.php';
 708                 require './libraries/tbl_properties_links.inc.php';
 709             } elseif (isset($db) && strlen($db)) {
 710                 require './libraries/db_details_common.inc.php';
 711                 require './libraries/db_details_db_info.inc.php';
 712             } else {
 713                 require './libraries/server_common.inc.php';
 714                 require './libraries/server_links.inc.php';
 715             }
 716         }
 717
 718         if (isset($db) && strlen($db)) {
 719             require_once './libraries/relation.lib.php';
 720             $cfgRelation = PMA_getRelationsParam();
 721         }
 722
 723         // Gets the list of fields properties
 724         if (isset($result) && $result) {
 725             $fields_meta = PMA_DBI_get_fields_meta($result);
 726             $fields_cnt  = count($fields_meta);
 727         }
 728
 729         // Display previous update query (from tbl_replace)
 730         if (isset($disp_query) && $cfg['ShowSQL'] == true) {
 731             $tmp_sql_query = $GLOBALS['sql_query'];
 732             $GLOBALS['sql_query'] = $disp_query;
 733             PMA_showMessage($disp_message);
 734             $GLOBALS['sql_query'] = $tmp_sql_query;
 735         }
 736
 737         // Displays the results in a table
 738         require_once './libraries/display_tbl.lib.php';
 739         if (empty($disp_mode)) {
 740             // see the "PMA_setDisplayMode()" function in
 741             // libraries/display_tbl.lib.php
 742             $disp_mode = 'urdr111101';
 743         }
 744         if (!isset($dontlimitchars)) {
 745             $dontlimitchars = 0;
 746         }
 747
 748         // hide edit and delete links for information_schema
 749         if (PMA_MYSQL_INT_VERSION >= 50002 && isset($db) && $db == 'information_schema') {
 750             $disp_mode = 'nnnn110111';
 751         }
 752
 753         PMA_displayTable($result, $disp_mode, $analyzed_sql);
 754         PMA_DBI_free_result($result);
 755
 756         // BEGIN INDEX CHECK See if indexes should be checked.
 757         if (isset($query_type) && $query_type == 'check_tbl' && isset($selected) && is_array($selected)) {
 758             foreach ($selected AS $idx => $tbl_name) {
 759                 $indexes        = $indexes_info = $indexes_data = array();
 760                 $tbl_ret_keys   = PMA_get_indexes(urldecode($tbl_name), $err_url_0);
 761
 762                 PMA_extract_indexes($tbl_ret_keys, $indexes, $indexes_info, $indexes_data);
 763
 764                 $idx_collection = PMA_show_indexes(urldecode($tbl_name), $indexes, $indexes_info, $indexes_data, false);
 765                 $check          = PMA_check_indexes($idx_collection);
 766                 if (!empty($check)) {
 767                 ?>
 768 <table border="0" cellpadding="2" cellspacing="0">
 769     <tr>
 770         <td class="tblHeaders" colspan="7"><?php printf($strIndexWarningTable, urldecode($tbl_name)); ?></td>
 771     </tr>
 772     <?php echo $check; ?>
 773 </table>
 774                 <?php
 775                 }
 776             }
 777         } // End INDEX CHECK
 778
 779         // Bookmark Support if required
 780         if ($disp_mode[7] == '1'
 781             && (isset($cfg['Bookmark']) && $cfg['Bookmark']['db'] && $cfg['Bookmark']['table'] && empty($id_bookmark))
 782             && !empty($sql_query)) {
 783             echo "\n";
 784
 785             $goto = 'sql.php?'
 786                   . PMA_generate_common_url($db, $table)
 787                   . '&amp;pos=' . $pos
 788                   . '&amp;session_max_rows=' . $session_max_rows
 789                   . '&amp;disp_direction=' . $disp_direction
 790                   . '&amp;repeat_cells=' . $repeat_cells
 791                   . '&amp;dontlimitchars=' . $dontlimitchars
 792                   . '&amp;sql_query=' . urlencode($sql_query)
 793                   . '&amp;id_bookmark=1';
 794
 795             ?>
 796 <form action="sql.php" method="post" onsubmit="return emptyFormElements(this, 'fields[label]');">
 797 <?php echo PMA_generate_common_hidden_inputs(); ?>
 798 <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
 799 <input type="hidden" name="fields[dbase]" value="<?php echo htmlspecialchars($db); ?>" />
 800 <input type="hidden" name="fields[user]" value="<?php echo $cfg['Bookmark']['user']; ?>" />
 801 <input type="hidden" name="fields[query]" value="<?php echo urlencode(isset($complete_query) ? $complete_query : $sql_query); ?>" />
 802 <fieldset>
 803     <legend><?php
 804      echo ($cfg['PropertiesIconic'] ? '<img class="icon" src="' . $pmaThemeImage . 'b_bookmark.png" width="16" height="16" alt="' . $strBookmarkThis . '" />' : '')
 805         . $strBookmarkThis;
 806 ?>
 807     </legend>
 808
 809     <div class="formelement">
 810         <label for="fields_label_"><?php echo $strBookmarkLabel; ?>:</label>
 811         <input type="text" id="fields_label_" name="fields[label]" value="" />
 812     </div>
 813
 814     <div class="formelement">
 815         <input type="checkbox" name="bkm_all_users" id="bkm_all_users" value="true" />
 816         <label for="bkm_all_users"><?php echo $strBookmarkAllUsers; ?></label>
 817     </div>
 818
 819     <div class="clearfloat"></div>
 820 </fieldset>
 821 <fieldset class="tblFooters">
 822     <input type="submit" name="store_bkm" value="<?php echo $strBookmarkThis; ?>" />
 823 </fieldset>
 824 </form>
 825             <?php
 826         } // end bookmark support
 827
 828         // Do print the page if required
 829         if (isset($printview) && $printview == '1') {
 830             ?>
 831 <script type="text/javascript" language="javascript">
 832 //<![CDATA[
 833 // Do print the page
 834 window.onload = function()
 835 {
 836     if (typeof(window.print) != 'undefined') {
 837         window.print();
 838     }
 839 }
 840 //]]>
 841 </script>
 842             <?php
 843         } // end print case
 844     } // end rows returned
 845
 846 } // end executes the query
 847
 848 /**
 849  * Displays the footer
 850  */
 851 require_once './libraries/footer.inc.php';
 852 ?>