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 = $is_func = false;
 319     if ($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     } elseif (preg_match('@^UPDATE[[:space:]]+@i', $sql_query)) {
 334         $is_affected = true;
 335     } elseif (preg_match('@^SHOW[[:space:]]+@i', $sql_query)) {
 336         $is_show     = true;
 337     } elseif (preg_match('@^(CHECK|ANALYZE|REPAIR|OPTIMIZE)[[:space:]]+TABLE[[:space:]]+@i', $sql_query)) {
 338         $is_maint    = true;
 339     }
 340
 341     // Do append a "LIMIT" clause?
 342     if (isset($pos)
 343         && (!$cfg['ShowAll'] || $session_max_rows != 'all')
 344         && !($is_count || $is_export || $is_func || $is_analyse)
 345         && isset($analyzed_sql[0]['queryflags']['select_from'])
 346         && !isset($analyzed_sql[0]['queryflags']['offset'])
 347         && !preg_match('@[[:space:]]LIMIT[[:space:]0-9,-]+(;)?$@i', $sql_query)) {
 348         $sql_limit_to_append = " LIMIT $pos, ".$cfg['MaxRows'] . " ";
 349
 350         $full_sql_query  = $analyzed_sql[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_sql[0]['section_after_limit'];
 351         // FIXME: pretty printing of this modified query
 352
 353         if (isset($display_query)) {
 354             // if the analysis of the original query revealed that we found
 355             // a section_after_limit, we now have to analyze $display_query
 356             // to display it correctly
 357
 358             if (!empty($analyzed_sql[0]['section_after_limit']) && trim($analyzed_sql[0]['section_after_limit']) != ';') {
 359                 $analyzed_display_query = PMA_SQP_analyze(PMA_SQP_parse($display_query));
 360                 $display_query  = $analyzed_display_query[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_display_query[0]['section_after_limit'];
 361             }
 362         }
 363
 364     } else {
 365         $full_sql_query      = $sql_query;
 366     } // end if...else
 367
 368     if (isset($db)) {
 369         PMA_DBI_select_db($db);
 370     }
 371
 372     // If the query is a DELETE query with no WHERE clause, get the number of
 373     // rows that will be deleted (mysql_affected_rows will always return 0 in
 374     // this case)
 375     // Note: testing shows that this no longer applies since MySQL 4.0.x
 376
 377     if (PMA_MYSQL_INT_VERSION < 40000) {
 378         if ($is_delete
 379             && preg_match('@^DELETE([[:space:]].+)?(FROM[[:space:]](.+))$@i', $sql_query, $parts)
 380             && !preg_match('@[[:space:]]WHERE[[:space:]]@i', $parts[3])) {
 381             $cnt_all_result = @PMA_DBI_try_query('SELECT COUNT(*) as count ' .  $parts[2]);
 382             if ($cnt_all_result) {
 383                 list($num_rows) = PMA_DBI_fetch_row($cnt_all_result);
 384                 PMA_DBI_free_result($cnt_all_result);
 385             } else {
 386                 $num_rows   = 0;
 387             }
 388         }
 389     }
 390
 391     //  E x e c u t e    t h e    q u e r y
 392
 393     // Only if we didn't ask to see the php code (mikebeck)
 394     if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
 395         unset($result);
 396         $num_rows = 0;
 397     } else {
 398         // garvin: Measure query time.
 399         // TODO-Item http://sourceforge.net/tracker/index.php?func=detail&aid=571934&group_id=23067&atid=377411
 400         $querytime_before = array_sum(explode(' ', microtime()));
 401
 402         $result   = @PMA_DBI_try_query($full_sql_query, null, PMA_DBI_QUERY_STORE);
 403
 404         $querytime_after = array_sum(explode(' ', microtime()));
 405
 406         $GLOBALS['querytime'] = $querytime_after - $querytime_before;
 407
 408         // Displays an error message if required and stop parsing the script
 409         if ($error        = PMA_DBI_getError()) {
 410             require_once './libraries/header.inc.php';
 411             $full_err_url = (preg_match('@^(db_details|tbl_properties)@', $err_url))
 412                           ? $err_url . '&amp;show_query=1&amp;sql_query=' . urlencode($sql_query)
 413                           : $err_url;
 414             PMA_mysqlDie($error, $full_sql_query, '', $full_err_url);
 415         }
 416         unset($error);
 417
 418         // Gets the number of rows affected/returned
 419         // (This must be done immediately after the query because
 420         // mysql_affected_rows() reports about the last query done)
 421
 422         if (!$is_affected) {
 423             $num_rows = ($result) ? @PMA_DBI_num_rows($result) : 0;
 424         } elseif (!isset($num_rows)) {
 425             $num_rows = @PMA_DBI_affected_rows();
 426         }
 427
 428         // Checks if the current database has changed
 429         // This could happen if the user sends a query like "USE `database`;"
 430         $res = PMA_DBI_query('SELECT DATABASE() AS \'db\';');
 431         $row = PMA_DBI_fetch_row($res);
 432         if (is_array($row) && isset($row[0]) && (strcasecmp($db, $row[0]) != 0)) {
 433             $db     = $row[0];
 434             $reload = 1;
 435         }
 436         @PMA_DBI_free_result($res);
 437         unset($res, $row);
 438
 439         // tmpfile remove after convert encoding appended by Y.Kawada
 440         if (function_exists('PMA_kanji_file_conv')
 441             && (isset($textfile) && file_exists($textfile))) {
 442             unlink($textfile);
 443         }
 444
 445         // Counts the total number of rows for the same 'SELECT' query without the
 446         // 'LIMIT' clause that may have been programatically added
 447
 448         if (empty($sql_limit_to_append)) {
 449             $unlim_num_rows         = $num_rows;
 450             // if we did not append a limit, set this to get a correct
 451             // "Showing rows..." message
 452             $GLOBALS['session_max_rows'] = 'all';
 453         } elseif ($is_select) {
 454
 455                 //    c o u n t    q u e r y
 456
 457                 // If we are "just browsing", there is only one table,
 458                 // and no where clause (or just 'WHERE 1 '),
 459                 // so we do a quick count (which uses MaxExactCount)
 460                 // because SQL_CALC_FOUND_ROWS
 461                 // is not quick on large InnoDB tables
 462
 463                 // but do not count again if we did it previously
 464                 // due to $find_real_end == true
 465
 466                 if (!$is_group
 467                  && !isset($analyzed_sql[0]['queryflags']['union'])
 468                  && !isset($analyzed_sql[0]['table_ref'][1]['table_name'])
 469                  && (empty($analyzed_sql[0]['where_clause'])
 470                    || $analyzed_sql[0]['where_clause'] == '1 ')
 471                  && !isset($find_real_end)
 472                  ) {
 473
 474                     // "j u s t   b r o w s i n g"
 475                     $unlim_num_rows = PMA_Table::countRecords($db, $table, true);
 476
 477                 } else { // n o t   " j u s t   b r o w s i n g "
 478
 479                     if (PMA_MYSQL_INT_VERSION < 40000) {
 480
 481                         // detect this case:
 482                         // SELECT DISTINCT x AS foo, y AS bar FROM sometable
 483
 484                         if (isset($analyzed_sql[0]['queryflags']['distinct'])) {
 485                             $count_what = 'DISTINCT ';
 486                             $first_expr = true;
 487                             foreach ($analyzed_sql[0]['select_expr'] as $part) {
 488                                 $count_what .= (!$first_expr ? ', ' : '') . $part['expr'];
 489                                 $first_expr = false;
 490                             }
 491                          } else {
 492                              $count_what = '*';
 493                          }
 494                         // this one does not apply to VIEWs
 495                         $count_query = 'SELECT COUNT(' . $count_what . ') AS count';
 496                     }
 497
 498                     // add the remaining of select expression if there is
 499                     // a GROUP BY or HAVING clause
 500                     if (PMA_MYSQL_INT_VERSION < 40000
 501                      && $count_what =='*'
 502                      && (!empty($analyzed_sql[0]['group_by_clause'])
 503                         || !empty($analyzed_sql[0]['having_clause']))) {
 504                         $count_query .= ' ,' . $analyzed_sql[0]['select_expr_clause'];
 505                     }
 506
 507                     if (PMA_MYSQL_INT_VERSION >= 40000) {
 508                          // add select expression after the SQL_CALC_FOUND_ROWS
 509
 510                             // for UNION, just adding SQL_CALC_FOUND_ROWS
 511                             // after the first SELECT works.
 512
 513                             // take the left part, could be:
 514                             // SELECT
 515                             // (SELECT
 516                             $count_query = PMA_SQP_formatHtml($parsed_sql, 'query_only', 0, $analyzed_sql[0]['position_of_first_select'] + 1);
 517                             $count_query .= ' SQL_CALC_FOUND_ROWS ';
 518                             // add everything that was after the first SELECT
 519                             $count_query .= PMA_SQP_formatHtml($parsed_sql, 'query_only', $analyzed_sql[0]['position_of_first_select']+1);
 520                     } else { // PMA_MYSQL_INT_VERSION < 40000
 521
 522                         if (!empty($analyzed_sql[0]['from_clause'])) {
 523                             $count_query .= ' FROM ' . $analyzed_sql[0]['from_clause'];
 524                         }
 525                         if (!empty($analyzed_sql[0]['where_clause'])) {
 526                             $count_query .= ' WHERE ' . $analyzed_sql[0]['where_clause'];
 527                         }
 528                         if (!empty($analyzed_sql[0]['group_by_clause'])) {
 529                             $count_query .= ' GROUP BY ' . $analyzed_sql[0]['group_by_clause'];
 530                         }
 531                         if (!empty($analyzed_sql[0]['having_clause'])) {
 532                             $count_query .= ' HAVING ' . $analyzed_sql[0]['having_clause'];
 533                         }
 534                     } // end if
 535
 536                     // if using SQL_CALC_FOUND_ROWS, add a LIMIT to avoid
 537                     // long delays. Returned count will be complete anyway.
 538                     // (but a LIMIT would disrupt results in an UNION)
 539
 540                     if (PMA_MYSQL_INT_VERSION >= 40000
 541                     && !isset($analyzed_sql[0]['queryflags']['union'])) {
 542                         $count_query .= ' LIMIT 1';
 543                     }
 544
 545                     // run the count query
 546
 547                     if (PMA_MYSQL_INT_VERSION < 40000) {
 548                         if ($cnt_all_result = PMA_DBI_try_query($count_query)) {
 549                             if ($is_group && $count_what == '*') {
 550                                 $unlim_num_rows = @PMA_DBI_num_rows($cnt_all_result);
 551                             } else {
 552                                 $unlim_num_rows = PMA_DBI_fetch_assoc($cnt_all_result);
 553                                 $unlim_num_rows = $unlim_num_rows['count'];
 554                             }
 555                             PMA_DBI_free_result($cnt_all_result);
 556                         } else {
 557                             if (PMA_DBI_getError()) {
 558
 559                                 // there are some cases where the generated
 560                                 // count_query (for MySQL 3) is wrong,
 561                                 // so we get here.
 562                                 //TODO: use a big unlimited query to get
 563                                 // the correct number of rows (depending
 564                                 // on a config variable?)
 565                                 $unlim_num_rows = 0;
 566                             }
 567                         }
 568                     } else {
 569                         PMA_DBI_try_query($count_query);
 570                         // if (mysql_error()) {
 571                         // void.
 572                         // I tried the case
 573                         // (SELECT `User`, `Host`, `Db`, `Select_priv` FROM `db`)
 574                         // UNION (SELECT `User`, `Host`, "%" AS "Db",
 575                         // `Select_priv`
 576                         // FROM `user`) ORDER BY `User`, `Host`, `Db`;
 577                         // and although the generated count_query is wrong
 578                         // the SELECT FOUND_ROWS() work! (maybe it gets the
 579                         // count from the latest query that worked)
 580                         //
 581                         // another case where the count_query is wrong:
 582                         // SELECT COUNT(*), f1 from t1 group by f1
 583                         // and you click to sort on count(*)
 584                         // }
 585                         $cnt_all_result       = PMA_DBI_query('SELECT FOUND_ROWS() as count;');
 586                         list($unlim_num_rows) = PMA_DBI_fetch_row($cnt_all_result);
 587                         @PMA_DBI_free_result($cnt_all_result);
 588                     }
 589             } // end else "just browsing"
 590
 591         } else { // not $is_select
 592              $unlim_num_rows         = 0;
 593         } // end rows total count
 594
 595         // garvin: if a table or database gets dropped, check column comments.
 596         if (isset($purge) && $purge == '1') {
 597             require_once './libraries/relation_cleanup.lib.php';
 598
 599             if (isset($table) && isset($db) && strlen($table) && strlen($db)) {
 600                 PMA_relationsCleanupTable($db, $table);
 601             } elseif (isset($db) && strlen($db)) {
 602                 PMA_relationsCleanupDatabase($db);
 603             } else {
 604                 // garvin: VOID. No DB/Table gets deleted.
 605             } // end if relation-stuff
 606          } // end if ($purge)
 607
 608         // garvin: If a column gets dropped, do relation magic.
 609         if (isset($cpurge) && $cpurge == '1' && isset($purgekey)
 610           && isset($db) && isset($table)
 611           && strlen($db) && strlen($table) && !empty($purgekey)) {
 612             require_once './libraries/relation_cleanup.lib.php';
 613             PMA_relationsCleanupColumn($db, $table, $purgekey);
 614
 615         } // end if column PMA_* purge
 616     } // end else "didn't ask to see php code"
 617
 618     // No rows returned -> move back to the calling page
 619     if ($num_rows < 1 || $is_affected) {
 620         if ($is_delete) {
 621             $message = $strDeletedRows . '&nbsp;' . $num_rows;
 622         } elseif ($is_insert) {
 623             $message = $strInsertedRows . '&nbsp;' . $num_rows;
 624             $insert_id = PMA_DBI_insert_id();
 625             if ($insert_id != 0) {
 626                 // insert_id is id of FIRST record inserted in one insert, so if we inserted multiple rows, we had to increment this
 627                 $message .= '[br]'.$strInsertedRowId . '&nbsp;' . ($insert_id + $num_rows - 1);
 628             }
 629         } elseif ($is_affected) {
 630             $message = $strAffectedRows . '&nbsp;' . $num_rows;
 631
 632             // Ok, here is an explanation for the !$is_select.
 633             // The form generated by sql_query_form.lib.php
 634             // and db_details.php has many submit buttons
 635             // on the same form, and some confusion arises from the
 636             // fact that $zero_rows is sent for every case.
 637             // The $zero_rows containing $strSuccess and sent with
 638             // the form should not have priority over
 639             // errors like $strEmptyResultSet
 640         } elseif (!empty($zero_rows) && !$is_select) {
 641             $message = $zero_rows;
 642         } elseif (!empty($GLOBALS['show_as_php'])) {
 643             $message = $strPhp;
 644         } elseif (!empty($GLOBALS['validatequery'])) {
 645             $message = $strValidateSQL;
 646         } else {
 647             $message = $strEmptyResultSet;
 648         }
 649
 650         $message .= ' ' . (isset($GLOBALS['querytime']) ? '(' . sprintf($strQueryTime, $GLOBALS['querytime']) . ')' : '');
 651
 652         if ($is_gotofile) {
 653             $goto = PMA_securePath($goto);
 654             // Checks for a valid target script
 655             $is_db = $is_table = false;
 656             include 'libraries/db_table_exists.lib.php';
 657             if (strpos($goto, 'tbl_properties') === 0 && ! $is_table) {
 658                 if (isset($table)) {
 659                     unset($table);
 660                 }
 661                 $goto = 'db_details.php';
 662             }
 663             if (strpos($goto, 'db_details') === 0 && ! $is_db) {
 664                 if (isset($db)) {
 665                     unset($db);
 666                 }
 667                 $goto = 'main.php';
 668             }
 669             // Loads to target script
 670             if (strpos($goto, 'db_details') === 0
 671              || strpos($goto, 'tbl_properties') === 0) {
 672                 $js_to_run = 'functions.js';
 673             }
 674             if ($goto != 'main.php') {
 675                 require_once './libraries/header.inc.php';
 676             }
 677             $active_page = $goto;
 678             require './' . $goto;
 679         } else {
 680             PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto) . '&message=' . urlencode($message));
 681         } // end else
 682         exit();
 683     } // end no rows returned
 684
 685     // At least one row is returned -> displays a table with results
 686     else {
 687         // Displays the headers
 688         if (isset($show_query)) {
 689             unset($show_query);
 690         }
 691         if (isset($printview) && $printview == '1') {
 692             require_once './libraries/header_printview.inc.php';
 693         } else {
 694             $js_to_run = 'functions.js';
 695             unset($message);
 696             if (isset($table) && strlen($table)) {
 697                 require './libraries/tbl_properties_common.php';
 698                 $url_query .= '&amp;goto=tbl_properties.php&amp;back=tbl_properties.php';
 699                 require './libraries/tbl_properties_table_info.inc.php';
 700                 require './libraries/tbl_properties_links.inc.php';
 701             } elseif (isset($db) && strlen($db)) {
 702                 require './libraries/db_details_common.inc.php';
 703                 require './libraries/db_details_db_info.inc.php';
 704             } else {
 705                 require './libraries/server_common.inc.php';
 706                 require './libraries/server_links.inc.php';
 707             }
 708         }
 709
 710         if (isset($db) && strlen($db)) {
 711             require_once './libraries/relation.lib.php';
 712             $cfgRelation = PMA_getRelationsParam();
 713         }
 714
 715         // Gets the list of fields properties
 716         if (isset($result) && $result) {
 717             $fields_meta = PMA_DBI_get_fields_meta($result);
 718             $fields_cnt  = count($fields_meta);
 719         }
 720
 721         // Display previous update query (from tbl_replace)
 722         if (isset($disp_query) && $cfg['ShowSQL'] == true) {
 723             $tmp_sql_query = $GLOBALS['sql_query'];
 724             $GLOBALS['sql_query'] = $disp_query;
 725             PMA_showMessage($disp_message);
 726             $GLOBALS['sql_query'] = $tmp_sql_query;
 727         }
 728
 729         // Displays the results in a table
 730         require_once './libraries/display_tbl.lib.php';
 731         if (empty($disp_mode)) {
 732             // see the "PMA_setDisplayMode()" function in
 733             // libraries/display_tbl.lib.php
 734             $disp_mode = 'urdr111101';
 735         }
 736         if (!isset($dontlimitchars)) {
 737             $dontlimitchars = 0;
 738         }
 739
 740         // hide edit and delete links for information_schema
 741         if (PMA_MYSQL_INT_VERSION >= 50002 && isset($db) && $db == 'information_schema') {
 742             $disp_mode = 'nnnn110111';
 743         }
 744
 745         PMA_displayTable($result, $disp_mode, $analyzed_sql);
 746         PMA_DBI_free_result($result);
 747
 748         // BEGIN INDEX CHECK See if indexes should be checked.
 749         if (isset($query_type) && $query_type == 'check_tbl' && isset($selected) && is_array($selected)) {
 750             foreach ($selected AS $idx => $tbl_name) {
 751                 $indexes        = $indexes_info = $indexes_data = array();
 752                 $tbl_ret_keys   = PMA_get_indexes(urldecode($tbl_name), $err_url_0);
 753
 754                 PMA_extract_indexes($tbl_ret_keys, $indexes, $indexes_info, $indexes_data);
 755
 756                 $idx_collection = PMA_show_indexes(urldecode($tbl_name), $indexes, $indexes_info, $indexes_data, false);
 757                 $check          = PMA_check_indexes($idx_collection);
 758                 if (!empty($check)) {
 759                 ?>
 760 <table border="0" cellpadding="2" cellspacing="0">
 761     <tr>
 762         <td class="tblHeaders" colspan="7"><?php printf($strIndexWarningTable, urldecode($tbl_name)); ?></td>
 763     </tr>
 764     <?php echo $check; ?>
 765 </table>
 766                 <?php
 767                 }
 768             }
 769         } // End INDEX CHECK
 770
 771         // Bookmark Support if required
 772         if ($disp_mode[7] == '1'
 773             && (isset($cfg['Bookmark']) && $cfg['Bookmark']['db'] && $cfg['Bookmark']['table'] && empty($id_bookmark))
 774             && !empty($sql_query)) {
 775             echo "\n";
 776
 777             $goto = 'sql.php?'
 778                   . PMA_generate_common_url($db, $table)
 779                   . '&amp;pos=' . $pos
 780                   . '&amp;session_max_rows=' . $session_max_rows
 781                   . '&amp;disp_direction=' . $disp_direction
 782                   . '&amp;repeat_cells=' . $repeat_cells
 783                   . '&amp;dontlimitchars=' . $dontlimitchars
 784                   . '&amp;sql_query=' . urlencode($sql_query)
 785                   . '&amp;id_bookmark=1';
 786
 787             ?>
 788 <form action="sql.php" method="post" onsubmit="return emptyFormElements(this, 'fields[label]');">
 789 <?php echo PMA_generate_common_hidden_inputs(); ?>
 790 <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
 791 <input type="hidden" name="fields[dbase]" value="<?php echo htmlspecialchars($db); ?>" />
 792 <input type="hidden" name="fields[user]" value="<?php echo $cfg['Bookmark']['user']; ?>" />
 793 <input type="hidden" name="fields[query]" value="<?php echo urlencode(isset($complete_query) ? $complete_query : $sql_query); ?>" />
 794 <fieldset>
 795     <legend><?php
 796      echo ($cfg['PropertiesIconic'] ? '<img class="icon" src="' . $pmaThemeImage . 'b_bookmark.png" width="16" height="16" alt="' . $strBookmarkThis . '" />' : '')
 797         . $strBookmarkThis;
 798 ?>
 799     </legend>
 800
 801     <div class="formelement">
 802         <label for="fields_label_"><?php echo $strBookmarkLabel; ?>:</label>
 803         <input type="text" id="fields_label_" name="fields[label]" value="" />
 804     </div>
 805
 806     <div class="formelement">
 807         <input type="checkbox" name="bkm_all_users" id="bkm_all_users" value="true" />
 808         <label for="bkm_all_users"><?php echo $strBookmarkAllUsers; ?></label>
 809     </div>
 810
 811     <div class="clearfloat"></div>
 812 </fieldset>
 813 <fieldset class="tblFooters">
 814     <input type="submit" name="store_bkm" value="<?php echo $strBookmarkThis; ?>" />
 815 </fieldset>
 816 </form>
 817             <?php
 818         } // end bookmark support
 819
 820         // Do print the page if required
 821         if (isset($printview) && $printview == '1') {
 822             ?>
 823 <script type="text/javascript" language="javascript">
 824 //<![CDATA[
 825 // Do print the page
 826 window.onload = function()
 827 {
 828     if (typeof(window.print) != 'undefined') {
 829         window.print();
 830     }
 831 }
 832 //]]>
 833 </script>
 834             <?php
 835         } // end print case
 836     } // end rows returned
 837
 838 } // end executes the query
 839
 840 /**
 841  * Displays the footer
 842  */
 843 require_once './libraries/footer.inc.php';
 844 ?>