sql.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * @todo    we must handle the case if sql.php is called directly with a query
   5  *          that returns 0 rows - to prevent cyclic redirects or includes
   6  * @package phpMyAdmin
   7  */
   8
   9 /**
  10  * Gets some core libraries
  11  */
  12 require_once './libraries/common.inc.php';
  13 require_once './libraries/Table.class.php';
  14 require_once './libraries/check_user_privileges.lib.php';
  15 require_once './libraries/bookmark.lib.php';
  16
  17 $GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.custom.js';
  18 $GLOBALS['js_include'][] = 'tbl_change.js';
  19
  20 if (isset($_SESSION['profiling'])) {
  21     $GLOBALS['js_include'][] = 'highcharts/highcharts.js';
  22     /* Files required for chart exporting */
  23     $GLOBALS['js_include'][] = 'highcharts/exporting.js';
  24     /* < IE 9 doesn't support canvas natively */
  25     if (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER < 9) {
  26         $GLOBALS['js_include'][] = 'canvg/flashcanvas.js';
  27     }
  28     $GLOBALS['js_include'][] = 'canvg/canvg.js';
  29 }
  30
  31 /**
  32  * Defines the url to return to in case of error in a sql statement
  33  */
  34 // Security checkings
  35 if (! empty($goto)) {
  36     $is_gotofile     = preg_replace('@^([^?]+).*$@s', '\\1', $goto);
  37     if (! @file_exists('./' . $is_gotofile)) {
  38         unset($goto);
  39     } else {
  40         $is_gotofile = ($is_gotofile == $goto);
  41     }
  42 } else {
  43     $goto = (! strlen($table)) ? $cfg['DefaultTabDatabase'] : $cfg['DefaultTabTable'];
  44     $is_gotofile  = true;
  45 } // end if
  46
  47 if (! isset($err_url)) {
  48     $err_url = (!empty($back) ? $back : $goto)
  49              . '?' . PMA_generate_common_url($db)
  50              . ((strpos(' ' . $goto, 'db_') != 1 && strlen($table)) ? '&amp;table=' . urlencode($table) : '');
  51 } // end if
  52
  53 // Coming from a bookmark dialog
  54 if (isset($fields['query'])) {
  55     $sql_query = $fields['query'];
  56 }
  57
  58 // This one is just to fill $db
  59 if (isset($fields['dbase'])) {
  60     $db = $fields['dbase'];
  61 }
  62
  63 /**
  64  * During grid edit, if we have a relational field, show the dropdown for it
  65  *
  66  * Logic taken from libraries/display_tbl_lib.php
  67  *
  68  * This doesn't seem to be the right place to do this, but I can't think of any
  69  * better place either.
  70  */
  71 if (isset($_REQUEST['get_relational_values']) && $_REQUEST['get_relational_values'] == true) {
  72     require_once 'libraries/relation.lib.php';
  73
  74     $column = $_REQUEST['column'];
  75     $foreigners = PMA_getForeigners($db, $table, $column);
  76
  77     $display_field = PMA_getDisplayField($foreigners[$column]['foreign_db'], $foreigners[$column]['foreign_table']);
  78
  79     $foreignData = PMA_getForeignData($foreigners, $column, false, '', '');
  80
  81     if ($_SESSION['tmp_user_values']['relational_display'] == 'D'
  82         && (isset($display_field) && strlen($display_field)
  83         && (isset($_REQUEST['relation_key_or_display_column']) && $_REQUEST['relation_key_or_display_column']))) {
  84             $curr_value = $_REQUEST['relation_key_or_display_column'];
  85     } else {
  86         $curr_value = $_REQUEST['curr_value'];
  87     }
  88     if ($foreignData['disp_row'] == null) {
  89         //Handle the case when number of values is more than $cfg['ForeignKeyMaxLimit']
  90         $_url_params = array(
  91                 'db' => $db,
  92                 'table' => $table,
  93                 'field' => $column
  94         );
  95
  96         $dropdown = '<span class="curr_value">' . htmlspecialchars($_REQUEST['curr_value']) . '</span> <a href="browse_foreigners.php' . PMA_generate_common_url($_url_params) . '"'
  97                     . ' target="_blank" class="browse_foreign" '
  98                     .'>' . __('Browse foreign values') . '</a>';
  99     } else {
 100         $dropdown = PMA_foreignDropdown($foreignData['disp_row'], $foreignData['foreign_field'], $foreignData['foreign_display'], $curr_value, $cfg['ForeignKeyMaxLimit']);
 101         $dropdown = '<select>' . $dropdown . '</select>';
 102     }
 103
 104     $extra_data['dropdown'] = $dropdown;
 105     PMA_ajaxResponse(NULL, true, $extra_data);
 106 }
 107
 108 /**
 109  * Just like above, find possible values for enum fields during grid edit.
 110  *
 111  * Logic taken from libraries/display_tbl_lib.php
 112  */
 113 if (isset($_REQUEST['get_enum_values']) && $_REQUEST['get_enum_values'] == true) {
 114     $field_info_query = 'SHOW FIELDS FROM `' . $db . '`.`' . $table . '` LIKE \'' . $_REQUEST['column'] . '\' ;';
 115
 116     $field_info_result = PMA_DBI_fetch_result($field_info_query, null, null, null, PMA_DBI_QUERY_STORE);
 117
 118     $search = array('enum', '(', ')', "'");
 119
 120     $values = explode(',', str_replace($search, '', $field_info_result[0]['Type']));
 121
 122     $dropdown = '<option value="">&nbsp;</option>';
 123     foreach ($values as $value) {
 124         $dropdown .= '<option value="' . htmlspecialchars($value) . '"';
 125         if ($value == $_REQUEST['curr_value']) {
 126             $dropdown .= ' selected="selected"';
 127         }
 128         $dropdown .= '>' . $value . '</option>';
 129     }
 130
 131     $dropdown = '<select>' . $dropdown . '</select>';
 132
 133     $extra_data['dropdown'] = $dropdown;
 134     PMA_ajaxResponse(NULL, true, $extra_data);
 135 }
 136
 137 /**
 138  * Find possible values for set fields during grid edit.
 139  */
 140 if (isset($_REQUEST['get_set_values']) && $_REQUEST['get_set_values'] == true) {
 141     $field_info_query = 'SHOW FIELDS FROM `' . $db . '`.`' . $table . '` LIKE \'' . $_REQUEST['column'] . '\' ;';
 142
 143     $field_info_result = PMA_DBI_fetch_result($field_info_query, null, null, null, PMA_DBI_QUERY_STORE);
 144
 145     $selected_values = explode(',', $_REQUEST['curr_value']);
 146
 147     $search = array('set', '(', ')', "'");
 148     $values = explode(',', str_replace($search, '', $field_info_result[0]['Type']));
 149
 150     $select = '';
 151     foreach ($values as $value) {
 152         $select .= '<option value="' . htmlspecialchars($value) . '"';
 153         if (in_array($value, $selected_values, true)) {
 154             $select .= ' selected="selected"';
 155         }
 156         $select .= '>' . $value . '</option>';
 157     }
 158
 159     $select_size = (sizeof($values) > 10) ? 10 : sizeof($values);
 160     $select = '<select multiple="multiple" size="' . $select_size . '">' . $select . '</select>';
 161
 162     $extra_data['select'] = $select;
 163     PMA_ajaxResponse(NULL, true, $extra_data);
 164 }
 165
 166 /**
 167  * Check ajax request to set the column order
 168  */
 169 if (isset($_REQUEST['set_col_prefs']) && $_REQUEST['set_col_prefs'] == true) {
 170     $pmatable = new PMA_Table($table, $db);
 171     $retval = false;
 172
 173     // set column order
 174     if (isset($_REQUEST['col_order'])) {
 175         $col_order = explode(',', $_REQUEST['col_order']);
 176         $retval = $pmatable->setUiProp(PMA_Table::PROP_COLUMN_ORDER, $col_order, $_REQUEST['table_create_time']);
 177         if ($retval !== true) {
 178             PMA_ajaxResponse($retval->getString(), false);
 179         }
 180     }
 181
 182
 183     // set column visibility
 184     if (isset($_REQUEST['col_visib'])) {
 185         $col_visib = explode(',', $_REQUEST['col_visib']);
 186         $retval = $pmatable->setUiProp(PMA_Table::PROP_COLUMN_VISIB, $col_visib, $_REQUEST['table_create_time']);
 187         if ($retval !== true) {
 188             PMA_ajaxResponse($retval->getString(), false);
 189         }
 190     }
 191
 192     PMA_ajaxResponse(NULL, ($retval == true));
 193 }
 194
 195 // Default to browse if no query set and we have table
 196 // (needed for browsing from DefaultTabTable)
 197 if (empty($sql_query) && strlen($table) && strlen($db)) {
 198     require_once './libraries/bookmark.lib.php';
 199     $book_sql_query = PMA_Bookmark_get($db, '\'' . PMA_sqlAddSlashes($table) . '\'',
 200         'label', false, true);
 201
 202     if (! empty($book_sql_query)) {
 203         $GLOBALS['using_bookmark_message'] = PMA_message::notice(__('Using bookmark "%s" as default browse query.'));
 204         $GLOBALS['using_bookmark_message']->addParam($table);
 205         $GLOBALS['using_bookmark_message']->addMessage(PMA_showDocu('faq6_22'));
 206         $sql_query = $book_sql_query;
 207     } else {
 208         $sql_query = 'SELECT * FROM ' . PMA_backquote($table);
 209     }
 210     unset($book_sql_query);
 211
 212     // set $goto to what will be displayed if query returns 0 rows
 213     $goto = 'tbl_structure.php';
 214 } else {
 215     // Now we can check the parameters
 216     PMA_checkParameters(array('sql_query'));
 217 }
 218
 219 // instead of doing the test twice
 220 $is_drop_database = preg_match('/DROP[[:space:]]+(DATABASE|SCHEMA)[[:space:]]+/i',
 221     $sql_query);
 222
 223 /**
 224  * Check rights in case of DROP DATABASE
 225  *
 226  * This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
 227  * but since a malicious user may pass this variable by url/form, we don't take
 228  * into account this case.
 229  */
 230 if (!defined('PMA_CHK_DROP')
 231  && !$cfg['AllowUserDropDatabase']
 232  && $is_drop_database
 233  && !$is_superuser) {
 234     require_once './libraries/header.inc.php';
 235     PMA_mysqlDie(__('"DROP DATABASE" statements are disabled.'), '', '', $err_url);
 236 } // end if
 237
 238 require_once './libraries/display_tbl.lib.php';
 239 PMA_displayTable_checkConfigParams();
 240
 241 /**
 242  * Need to find the real end of rows?
 243  */
 244 if (isset($find_real_end) && $find_real_end) {
 245     $unlim_num_rows = PMA_Table::countRecords($db, $table, $force_exact = true);
 246     $_SESSION['tmp_user_values']['pos'] = @((ceil($unlim_num_rows / $_SESSION['tmp_user_values']['max_rows']) - 1) * $_SESSION['tmp_user_values']['max_rows']);
 247 }
 248
 249
 250 /**
 251  * Bookmark add
 252  */
 253 if (isset($store_bkm)) {
 254     PMA_Bookmark_save($fields, (isset($bkm_all_users) && $bkm_all_users == 'true' ? true : false));
 255     // go back to sql.php to redisplay query; do not use &amp; in this case:
 256     PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto . '&label=' . $fields['label']);
 257 } // end if
 258
 259 /**
 260  * Parse and analyze the query
 261  */
 262 require_once './libraries/parse_analyze.lib.php';
 263
 264 /**
 265  * Sets or modifies the $goto variable if required
 266  */
 267 if ($goto == 'sql.php') {
 268     $is_gotofile = false;
 269     $goto = 'sql.php?'
 270           . PMA_generate_common_url($db, $table)
 271           . '&amp;sql_query=' . urlencode($sql_query);
 272 } // end if
 273
 274
 275 /**
 276  * Go back to further page if table should not be dropped
 277  */
 278 if (isset($btnDrop) && $btnDrop == __('No')) {
 279     if (!empty($back)) {
 280         $goto = $back;
 281     }
 282     if ($is_gotofile) {
 283         if (strpos($goto, 'db_') === 0 && strlen($table)) {
 284             $table = '';
 285         }
 286         $active_page = $goto;
 287         require './' . PMA_securePath($goto);
 288     } else {
 289         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto));
 290     }
 291     exit();
 292 } // end if
 293
 294
 295 /**
 296  * Displays the confirm page if required
 297  *
 298  * This part of the script is bypassed if $is_js_confirmed = 1 (already checked
 299  * with js) because possible security issue is not so important here: at most,
 300  * the confirm message isn't displayed.
 301  *
 302  * Also bypassed if only showing php code.or validating a SQL query
 303  */
 304 if (! $cfg['Confirm'] || isset($_REQUEST['is_js_confirmed']) || isset($btnDrop)
 305  // if we are coming from a "Create PHP code" or a "Without PHP Code"
 306  // dialog, we won't execute the query anyway, so don't confirm
 307  || isset($GLOBALS['show_as_php'])
 308  || !empty($GLOBALS['validatequery'])) {
 309     $do_confirm = false;
 310 } else {
 311     $do_confirm = isset($analyzed_sql[0]['queryflags']['need_confirm']);
 312 }
 313
 314 if ($do_confirm) {
 315     $stripped_sql_query = $sql_query;
 316     require_once './libraries/header.inc.php';
 317     if ($is_drop_database) {
 318         echo '<h1 class="error">' . __('You are about to DESTROY a complete database!') . '</h1>';
 319     }
 320     echo '<form action="sql.php" method="post">' . "\n"
 321         .PMA_generate_common_hidden_inputs($db, $table);
 322     ?>
 323     <input type="hidden" name="sql_query" value="<?php echo htmlspecialchars($sql_query); ?>" />
 324     <input type="hidden" name="message_to_show" value="<?php echo isset($message_to_show) ? PMA_sanitize($message_to_show, true) : ''; ?>" />
 325     <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
 326     <input type="hidden" name="back" value="<?php echo isset($back) ? PMA_sanitize($back, true) : ''; ?>" />
 327     <input type="hidden" name="reload" value="<?php echo isset($reload) ? PMA_sanitize($reload, true) : 0; ?>" />
 328     <input type="hidden" name="purge" value="<?php echo isset($purge) ? PMA_sanitize($purge, true) : ''; ?>" />
 329     <input type="hidden" name="dropped_column" value="<?php echo isset($dropped_column) ? PMA_sanitize($dropped_column, true) : ''; ?>" />
 330     <input type="hidden" name="show_query" value="<?php echo isset($show_query) ? PMA_sanitize($show_query, true) : ''; ?>" />
 331     <?php
 332     echo '<fieldset class="confirmation">' . "\n"
 333         .'    <legend>' . __('Do you really want to ') . '</legend>'
 334         .'    <tt>' . htmlspecialchars($stripped_sql_query) . '</tt>' . "\n"
 335         .'</fieldset>' . "\n"
 336         .'<fieldset class="tblFooters">' . "\n";
 337     ?>
 338     <input type="submit" name="btnDrop" value="<?php echo __('Yes'); ?>" id="buttonYes" />
 339     <input type="submit" name="btnDrop" value="<?php echo __('No'); ?>" id="buttonNo" />
 340     <?php
 341     echo '</fieldset>' . "\n"
 342        . '</form>' . "\n";
 343
 344     /**
 345      * Displays the footer and exit
 346      */
 347     require './libraries/footer.inc.php';
 348 } // end if $do_confirm
 349
 350
 351 // Defines some variables
 352 // A table has to be created, renamed, dropped -> navi frame should be reloaded
 353 /**
 354  * @todo use the parser/analyzer
 355  */
 356
 357 if (empty($reload)
 358     && preg_match('/^(CREATE|ALTER|DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
 359     $reload = 1;
 360 }
 361
 362 // SK -- Patch: $is_group added for use in calculation of total number of
 363 //              rows.
 364 //              $is_count is changed for more correct "LIMIT" clause
 365 //              appending in queries like
 366 //                "SELECT COUNT(...) FROM ... GROUP BY ..."
 367
 368 /**
 369  * @todo detect all this with the parser, to avoid problems finding
 370  * those strings in comments or backquoted identifiers
 371  */
 372
 373 $is_explain = $is_count = $is_export = $is_delete = $is_insert = $is_affected = $is_show = $is_maint = $is_analyse = $is_group = $is_func = $is_replace = false;
 374 if ($is_select) { // see line 141
 375     $is_group = preg_match('@(GROUP[[:space:]]+BY|HAVING|SELECT[[:space:]]+DISTINCT)[[:space:]]+@i', $sql_query);
 376     $is_func =  !$is_group && (preg_match('@[[:space:]]+(SUM|AVG|STD|STDDEV|MIN|MAX|BIT_OR|BIT_AND)\s*\(@i', $sql_query));
 377     $is_count = !$is_group && (preg_match('@^SELECT[[:space:]]+COUNT\((.*\.+)?.*\)@i', $sql_query));
 378     $is_export   = (preg_match('@[[:space:]]+INTO[[:space:]]+OUTFILE[[:space:]]+@i', $sql_query));
 379     $is_analyse  = (preg_match('@[[:space:]]+PROCEDURE[[:space:]]+ANALYSE@i', $sql_query));
 380 } elseif (preg_match('@^EXPLAIN[[:space:]]+@i', $sql_query)) {
 381     $is_explain  = true;
 382 } elseif (preg_match('@^DELETE[[:space:]]+@i', $sql_query)) {
 383     $is_delete   = true;
 384     $is_affected = true;
 385 } elseif (preg_match('@^(INSERT|LOAD[[:space:]]+DATA|REPLACE)[[:space:]]+@i', $sql_query)) {
 386     $is_insert   = true;
 387     $is_affected = true;
 388     if (preg_match('@^(REPLACE)[[:space:]]+@i', $sql_query)) {
 389         $is_replace = true;
 390     }
 391 } elseif (preg_match('@^UPDATE[[:space:]]+@i', $sql_query)) {
 392     $is_affected = true;
 393 } elseif (preg_match('@^[[:space:]]*SHOW[[:space:]]+@i', $sql_query)) {
 394     $is_show     = true;
 395 } elseif (preg_match('@^(CHECK|ANALYZE|REPAIR|OPTIMIZE)[[:space:]]+TABLE[[:space:]]+@i', $sql_query)) {
 396     $is_maint    = true;
 397 }
 398
 399 // assign default full_sql_query
 400 $full_sql_query = $sql_query;
 401
 402 // Handle remembered sorting order, only for single table query
 403 if ($GLOBALS['cfg']['RememberSorting']
 404  && ! ($is_count || $is_export || $is_func || $is_analyse)
 405  && count($analyzed_sql[0]['select_expr']) == 0
 406  && isset($analyzed_sql[0]['queryflags']['select_from'])
 407  && count($analyzed_sql[0]['table_ref']) == 1
 408  ) {
 409     $pmatable = new PMA_Table($table, $db);
 410     if (empty($analyzed_sql[0]['order_by_clause'])) {
 411         $sorted_col = $pmatable->getUiProp(PMA_Table::PROP_SORTED_COLUMN);
 412         if ($sorted_col) {
 413             // retrieve the remembered sorting order for current table
 414             $sql_order_to_append = ' ORDER BY ' . $sorted_col . ' ';
 415             $full_sql_query = $analyzed_sql[0]['section_before_limit'] . $sql_order_to_append . $analyzed_sql[0]['section_after_limit'];
 416
 417             // update the $analyzed_sql
 418             $analyzed_sql[0]['section_before_limit'] .= $sql_order_to_append;
 419             $analyzed_sql[0]['order_by_clause'] = $sorted_col;
 420         }
 421     } else {
 422         // store the remembered table into session
 423         $pmatable->setUiProp(PMA_Table::PROP_SORTED_COLUMN, $analyzed_sql[0]['order_by_clause']);
 424     }
 425 }
 426
 427 // Do append a "LIMIT" clause?
 428 if ((! $cfg['ShowAll'] || $_SESSION['tmp_user_values']['max_rows'] != 'all')
 429  && ! ($is_count || $is_export || $is_func || $is_analyse)
 430  && isset($analyzed_sql[0]['queryflags']['select_from'])
 431  && ! isset($analyzed_sql[0]['queryflags']['offset'])
 432  && empty($analyzed_sql[0]['limit_clause'])
 433  ) {
 434     $sql_limit_to_append = ' LIMIT ' . $_SESSION['tmp_user_values']['pos'] . ', ' . $_SESSION['tmp_user_values']['max_rows'] . " ";
 435
 436     $full_sql_query  = $analyzed_sql[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_sql[0]['section_after_limit'];
 437     /**
 438      * @todo pretty printing of this modified query
 439      */
 440     if (isset($display_query)) {
 441         // if the analysis of the original query revealed that we found
 442         // a section_after_limit, we now have to analyze $display_query
 443         // to display it correctly
 444
 445         if (!empty($analyzed_sql[0]['section_after_limit']) && trim($analyzed_sql[0]['section_after_limit']) != ';') {
 446             $analyzed_display_query = PMA_SQP_analyze(PMA_SQP_parse($display_query));
 447             $display_query  = $analyzed_display_query[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_display_query[0]['section_after_limit'];
 448         }
 449     }
 450
 451 }
 452
 453 if (strlen($db)) {
 454     PMA_DBI_select_db($db);
 455 }
 456
 457 //  E x e c u t e    t h e    q u e r y
 458
 459 // Only if we didn't ask to see the php code (mikebeck)
 460 if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
 461     unset($result);
 462     $num_rows = 0;
 463 } else {
 464     if (isset($_SESSION['profiling']) && PMA_profilingSupported()) {
 465         PMA_DBI_query('SET PROFILING=1;');
 466     }
 467
 468     // Measure query time.
 469     $querytime_before = array_sum(explode(' ', microtime()));
 470
 471     $result   = @PMA_DBI_try_query($full_sql_query, null, PMA_DBI_QUERY_STORE);
 472
 473     // If a stored procedure was called, there may be more results that are
 474     // queued up and waiting to be flushed from the buffer. So let's do that.
 475     while (true) {
 476         if (! PMA_DBI_more_results()) {
 477             break;
 478         }
 479         PMA_DBI_next_result();
 480     }
 481
 482     $querytime_after = array_sum(explode(' ', microtime()));
 483
 484     $GLOBALS['querytime'] = $querytime_after - $querytime_before;
 485
 486     // Displays an error message if required and stop parsing the script
 487     if ($error        = PMA_DBI_getError()) {
 488         if ($is_gotofile) {
 489             if (strpos($goto, 'db_') === 0 && strlen($table)) {
 490                 $table = '';
 491             }
 492             $active_page = $goto;
 493             $message = PMA_Message::rawError($error);
 494
 495             if ($GLOBALS['is_ajax_request'] == true) {
 496                 PMA_ajaxResponse($message, false);
 497             }
 498
 499             /**
 500              * Go to target path.
 501              */
 502             require './' . PMA_securePath($goto);
 503         } else {
 504             $full_err_url = (preg_match('@^(db|tbl)_@', $err_url))
 505                           ? $err_url . '&amp;show_query=1&amp;sql_query=' . urlencode($sql_query)
 506                           : $err_url;
 507             PMA_mysqlDie($error, $full_sql_query, '', $full_err_url);
 508         }
 509         exit;
 510     }
 511     unset($error);
 512
 513     // Gets the number of rows affected/returned
 514     // (This must be done immediately after the query because
 515     // mysql_affected_rows() reports about the last query done)
 516
 517     if (!$is_affected) {
 518         $num_rows = ($result) ? @PMA_DBI_num_rows($result) : 0;
 519     } elseif (! isset($num_rows)) {
 520         $num_rows = @PMA_DBI_affected_rows();
 521     }
 522
 523     // Grabs the profiling results
 524     if (isset($_SESSION['profiling']) && PMA_profilingSupported()) {
 525         $profiling_results = PMA_DBI_fetch_result('SHOW PROFILE;');
 526     }
 527
 528     // Checks if the current database has changed
 529     // This could happen if the user sends a query like "USE `database`;"
 530     /**
 531      * commented out auto-switching to active database - really required?
 532      * bug #1814718 win: table list disappears (mixed case db names)
 533      * https://sourceforge.net/support/tracker.php?aid=1814718
 534      * @todo RELEASE test and comit or rollback before release
 535     $current_db = PMA_DBI_fetch_value('SELECT DATABASE()');
 536     if ($db !== $current_db) {
 537         $db     = $current_db;
 538         $reload = 1;
 539     }
 540     unset($current_db);
 541      */
 542
 543     // tmpfile remove after convert encoding appended by Y.Kawada
 544     if (function_exists('PMA_kanji_file_conv')
 545         && (isset($textfile) && file_exists($textfile))) {
 546         unlink($textfile);
 547     }
 548
 549     // Counts the total number of rows for the same 'SELECT' query without the
 550     // 'LIMIT' clause that may have been programatically added
 551
 552     if (empty($sql_limit_to_append)) {
 553         $unlim_num_rows         = $num_rows;
 554         // if we did not append a limit, set this to get a correct
 555         // "Showing rows..." message
 556         //$_SESSION['tmp_user_values']['max_rows'] = 'all';
 557     } elseif ($is_select) {
 558
 559         //    c o u n t    q u e r y
 560
 561         // If we are "just browsing", there is only one table,
 562         // and no WHERE clause (or just 'WHERE 1 '),
 563         // we do a quick count (which uses MaxExactCount) because
 564         // SQL_CALC_FOUND_ROWS is not quick on large InnoDB tables
 565
 566         // However, do not count again if we did it previously
 567         // due to $find_real_end == true
 568
 569         if (!$is_group
 570          && ! isset($analyzed_sql[0]['queryflags']['union'])
 571          && ! isset($analyzed_sql[0]['table_ref'][1]['table_name'])
 572          && (empty($analyzed_sql[0]['where_clause'])
 573            || $analyzed_sql[0]['where_clause'] == '1 ')
 574          && ! isset($find_real_end)
 575         ) {
 576
 577             // "j u s t   b r o w s i n g"
 578             $unlim_num_rows = PMA_Table::countRecords($db, $table);
 579
 580         } else { // n o t   " j u s t   b r o w s i n g "
 581
 582             // add select expression after the SQL_CALC_FOUND_ROWS
 583
 584             // for UNION, just adding SQL_CALC_FOUND_ROWS
 585             // after the first SELECT works.
 586
 587             // take the left part, could be:
 588             // SELECT
 589             // (SELECT
 590             $count_query = PMA_SQP_formatHtml($parsed_sql, 'query_only', 0, $analyzed_sql[0]['position_of_first_select'] + 1);
 591             $count_query .= ' SQL_CALC_FOUND_ROWS ';
 592             // add everything that was after the first SELECT
 593             $count_query .= PMA_SQP_formatHtml($parsed_sql, 'query_only', $analyzed_sql[0]['position_of_first_select']+1);
 594             // ensure there is no semicolon at the end of the
 595             // count query because we'll probably add
 596             // a LIMIT 1 clause after it
 597             $count_query = rtrim($count_query);
 598             $count_query = rtrim($count_query, ';');
 599
 600             // if using SQL_CALC_FOUND_ROWS, add a LIMIT to avoid
 601             // long delays. Returned count will be complete anyway.
 602             // (but a LIMIT would disrupt results in an UNION)
 603
 604             if (! isset($analyzed_sql[0]['queryflags']['union'])) {
 605                 $count_query .= ' LIMIT 1';
 606             }
 607
 608             // run the count query
 609
 610             PMA_DBI_try_query($count_query);
 611             // if (mysql_error()) {
 612             // void.
 613             // I tried the case
 614             // (SELECT `User`, `Host`, `Db`, `Select_priv` FROM `db`)
 615             // UNION (SELECT `User`, `Host`, "%" AS "Db",
 616             // `Select_priv`
 617             // FROM `user`) ORDER BY `User`, `Host`, `Db`;
 618             // and although the generated count_query is wrong
 619             // the SELECT FOUND_ROWS() work! (maybe it gets the
 620             // count from the latest query that worked)
 621             //
 622             // another case where the count_query is wrong:
 623             // SELECT COUNT(*), f1 from t1 group by f1
 624             // and you click to sort on count(*)
 625             // }
 626             $unlim_num_rows = PMA_DBI_fetch_value('SELECT FOUND_ROWS()');
 627         } // end else "just browsing"
 628
 629     } else { // not $is_select
 630          $unlim_num_rows         = 0;
 631     } // end rows total count
 632
 633     // if a table or database gets dropped, check column comments.
 634     if (isset($purge) && $purge == '1') {
 635         /**
 636          * Cleanup relations.
 637          */
 638         require_once './libraries/relation_cleanup.lib.php';
 639
 640         if (strlen($table) && strlen($db)) {
 641             PMA_relationsCleanupTable($db, $table);
 642         } elseif (strlen($db)) {
 643             PMA_relationsCleanupDatabase($db);
 644         } else {
 645             // VOID. No DB/Table gets deleted.
 646         } // end if relation-stuff
 647     } // end if ($purge)
 648
 649     // If a column gets dropped, do relation magic.
 650     if (isset($dropped_column) && strlen($db) && strlen($table) && !empty($dropped_column)) {
 651         require_once './libraries/relation_cleanup.lib.php';
 652         PMA_relationsCleanupColumn($db, $table, $dropped_column);
 653
 654     } // end if column was dropped
 655 } // end else "didn't ask to see php code"
 656
 657 // No rows returned -> move back to the calling page
 658 if (0 == $num_rows || $is_affected) {
 659     if ($is_delete) {
 660         $message = PMA_Message::deleted_rows($num_rows);
 661     } elseif ($is_insert) {
 662         if ($is_replace) {
 663             /* For replace we get DELETED + INSERTED row count, so we have to call it affected */
 664             $message = PMA_Message::affected_rows($num_rows);
 665         } else {
 666             $message = PMA_Message::inserted_rows($num_rows);
 667         }
 668         $insert_id = PMA_DBI_insert_id();
 669         if ($insert_id != 0) {
 670             // insert_id is id of FIRST record inserted in one insert, so if we inserted multiple rows, we had to increment this
 671             $message->addMessage('[br]');
 672             // need to use a temporary because the Message class
 673             // currently supports adding parameters only to the first
 674             // message
 675             $_inserted = PMA_Message::notice(__('Inserted row id: %1$d'));
 676             $_inserted->addParam($insert_id + $num_rows - 1);
 677             $message->addMessage($_inserted);
 678         }
 679     } elseif ($is_affected) {
 680         $message = PMA_Message::affected_rows($num_rows);
 681
 682         // Ok, here is an explanation for the !$is_select.
 683         // The form generated by sql_query_form.lib.php
 684         // and db_sql.php has many submit buttons
 685         // on the same form, and some confusion arises from the
 686         // fact that $message_to_show is sent for every case.
 687         // The $message_to_show containing a success message and sent with
 688         // the form should not have priority over errors
 689     } elseif (!empty($message_to_show) && !$is_select) {
 690         $message = PMA_Message::rawSuccess(htmlspecialchars($message_to_show));
 691     } elseif (!empty($GLOBALS['show_as_php'])) {
 692         $message = PMA_Message::success(__('Showing as PHP code'));
 693     } elseif (isset($GLOBALS['show_as_php'])) {
 694         /* User disable showing as PHP, query is only displayed */
 695         $message = PMA_Message::notice(__('Showing SQL query'));
 696     } elseif (!empty($GLOBALS['validatequery'])) {
 697         $message = PMA_Message::notice(__('Validated SQL'));
 698     } else {
 699         $message = PMA_Message::success(__('MySQL returned an empty result set (i.e. zero rows).'));
 700     }
 701
 702     if (isset($GLOBALS['querytime'])) {
 703         $_querytime = PMA_Message::notice(__('Query took %01.4f sec'));
 704         $_querytime->addParam($GLOBALS['querytime']);
 705         $message->addMessage('(');
 706         $message->addMessage($_querytime);
 707         $message->addMessage(')');
 708     }
 709
 710     if ($GLOBALS['is_ajax_request'] == true) {
 711         if ($cfg['ShowSQL']) {
 712             $extra_data['sql_query'] = PMA_showMessage($message, $GLOBALS['sql_query'], 'success');
 713         }
 714         if (isset($GLOBALS['reload']) && $GLOBALS['reload'] == 1) {
 715             $extra_data['reload'] = 1;
 716             $extra_data['db'] = $GLOBALS['db'];
 717         }
 718         PMA_ajaxResponse($message, $message->isSuccess(), (isset($extra_data) ? $extra_data : ''));
 719     }
 720
 721     if ($is_gotofile) {
 722         $goto = PMA_securePath($goto);
 723         // Checks for a valid target script
 724         $is_db = $is_table = false;
 725         if (isset($_REQUEST['purge']) && $_REQUEST['purge'] == '1') {
 726             $table = '';
 727             unset($url_params['table']);
 728         }
 729         include 'libraries/db_table_exists.lib.php';
 730
 731         if (strpos($goto, 'tbl_') === 0 && ! $is_table) {
 732             if (strlen($table)) {
 733                 $table = '';
 734             }
 735             $goto = 'db_sql.php';
 736         }
 737         if (strpos($goto, 'db_') === 0 && ! $is_db) {
 738             if (strlen($db)) {
 739                 $db = '';
 740             }
 741             $goto = 'main.php';
 742         }
 743         // Loads to target script
 744         if ($goto != 'main.php') {
 745             require_once './libraries/header.inc.php';
 746         }
 747         $active_page = $goto;
 748         require './' . $goto;
 749     } else {
 750         // avoid a redirect loop when last record was deleted
 751         if (0 == $num_rows && 'sql.php' == $cfg['DefaultTabTable']) {
 752             $goto = str_replace('sql.php','tbl_structure.php',$goto);
 753         }
 754         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto) . '&message=' . urlencode($message));
 755     } // end else
 756     exit();
 757 } // end no rows returned
 758
 759 // At least one row is returned -> displays a table with results
 760 else {
 761     //If we are retrieving the full value of a truncated field or the original
 762     // value of a transformed field, show it here and exit
 763     if ($GLOBALS['grid_edit'] == true && $GLOBALS['cfg']['AjaxEnable']) {
 764         $row = PMA_DBI_fetch_row($result);
 765         $extra_data = array();
 766         $extra_data['value'] = $row[0];
 767         PMA_ajaxResponse(NULL, true, $extra_data);
 768     }
 769
 770     if (isset($_REQUEST['ajax_request']) && isset($_REQUEST['table_maintenance'])) {
 771         $GLOBALS['js_include'][] = 'functions.js';
 772         $GLOBALS['js_include'][] = 'makegrid.js';
 773         $GLOBALS['js_include'][] = 'sql.js';
 774
 775         // Gets the list of fields properties
 776         if (isset($result) && $result) {
 777             $fields_meta = PMA_DBI_get_fields_meta($result);
 778             $fields_cnt  = count($fields_meta);
 779         }
 780
 781         if (empty($disp_mode)) {
 782             // see the "PMA_setDisplayMode()" function in
 783             // libraries/display_tbl.lib.php
 784             $disp_mode = 'urdr111101';
 785         }
 786
 787         // hide edit and delete links for information_schema
 788         if ($db == 'information_schema') {
 789             $disp_mode = 'nnnn110111';
 790         }
 791
 792         $message = PMA_Message::success($message);
 793         echo PMA_showMessage($message, $GLOBALS['sql_query'], 'success');
 794         PMA_displayTable($result, $disp_mode, $analyzed_sql);
 795         exit();
 796     }
 797
 798     // Displays the headers
 799     if (isset($show_query)) {
 800         unset($show_query);
 801     }
 802     if (isset($printview) && $printview == '1') {
 803         require_once './libraries/header_printview.inc.php';
 804     } else {
 805
 806         $GLOBALS['js_include'][] = 'functions.js';
 807         $GLOBALS['js_include'][] = 'makegrid.js';
 808         $GLOBALS['js_include'][] = 'sql.js';
 809
 810         unset($message);
 811
 812         if (! $GLOBALS['is_ajax_request'] || ! $GLOBALS['cfg']['AjaxEnable']) {
 813             if (strlen($table)) {
 814                 require './libraries/tbl_common.php';
 815                 $url_query .= '&amp;goto=tbl_sql.php&amp;back=tbl_sql.php';
 816                 require './libraries/tbl_info.inc.php';
 817                 require './libraries/tbl_links.inc.php';
 818             } elseif (strlen($db)) {
 819                 require './libraries/db_common.inc.php';
 820                 require './libraries/db_info.inc.php';
 821             } else {
 822                 require './libraries/server_common.inc.php';
 823                 require './libraries/server_links.inc.php';
 824             }
 825         } else {
 826             require_once './libraries/header.inc.php';
 827             //we don't need to buffer the output in PMA_showMessage here.
 828             //set a global variable and check against it in the function
 829             $GLOBALS['buffer_message'] = false;
 830         }
 831     }
 832
 833     if (strlen($db)) {
 834         $cfgRelation = PMA_getRelationsParam();
 835     }
 836
 837     // Gets the list of fields properties
 838     if (isset($result) && $result) {
 839         $fields_meta = PMA_DBI_get_fields_meta($result);
 840         $fields_cnt  = count($fields_meta);
 841     }
 842
 843     if (! $GLOBALS['is_ajax_request']) {
 844         //begin the sqlqueryresults div here. container div
 845         echo '<div id="sqlqueryresults"';
 846         if ($GLOBALS['cfg']['AjaxEnable']) {
 847             echo ' class="ajax"';
 848         }
 849         echo '>';
 850     }
 851
 852     // Display previous update query (from tbl_replace)
 853     if (isset($disp_query) && $cfg['ShowSQL'] == true) {
 854         PMA_showMessage($disp_message, $disp_query, 'success');
 855     }
 856
 857     if (isset($profiling_results)) {
 858         // pma_token/url_query needed for chart export
 859 ?>
 860 <script type="text/javascript">
 861 pma_token = '<?php echo $_SESSION[' PMA_token ']; ?>';
 862 url_query = '<?php echo isset($url_query)?$url_query:PMA_generate_common_url($db);?>';
 863 $(document).ready(makeProfilingChart);
 864 </script>
 865 <?php
 866         echo '<fieldset><legend>' . __('Profiling') . '</legend>' . "\n";
 867         echo '<div style="float: left;">';
 868         echo '<table>' . "\n";
 869         echo ' <tr>' .  "\n";
 870         echo '  <th>' . __('Status') . PMA_showMySQLDocu('general-thread-states','general-thread-states') .  '</th>' . "\n";
 871         echo '  <th>' . __('Time') . '</th>' . "\n";
 872         echo ' </tr>' .  "\n";
 873
 874         $chart_json = Array();
 875         foreach ($profiling_results as $one_result) {
 876             echo ' <tr>' .  "\n";
 877             echo '<td>' . ucwords($one_result['Status']) . '</td>' .  "\n";
 878             echo '<td align="right">' . (PMA_formatNumber($one_result['Duration'],3,1)) . 's</td>' .  "\n";
 879             $chart_json[ucwords($one_result['Status'])] = $one_result['Duration'];
 880         }
 881
 882         echo '</table>' . "\n";
 883         echo '</div>';
 884         //require_once './libraries/chart.lib.php';
 885         echo '<div id="profilingchart" style="display:none;">';
 886         //PMA_chart_profiling($profiling_results);
 887         echo json_encode($chart_json);
 888         echo '</div>';
 889         echo '</fieldset>' . "\n";
 890     }
 891
 892     // Displays the results in a table
 893     if (empty($disp_mode)) {
 894         // see the "PMA_setDisplayMode()" function in
 895         // libraries/display_tbl.lib.php
 896         $disp_mode = 'urdr111101';
 897     }
 898
 899     // hide edit and delete links for information_schema
 900     if ($db == 'information_schema') {
 901         $disp_mode = 'nnnn110111';
 902     }
 903
 904     if (isset($label)) {
 905         $message = PMA_message::success(__('Bookmark %s created'));
 906         $message->addParam($label);
 907         $message->display();
 908     }
 909
 910     PMA_displayTable($result, $disp_mode, $analyzed_sql);
 911     PMA_DBI_free_result($result);
 912
 913     // BEGIN INDEX CHECK See if indexes should be checked.
 914     if (isset($query_type) && $query_type == 'check_tbl' && isset($selected) && is_array($selected)) {
 915         foreach ($selected as $idx => $tbl_name) {
 916             $check = PMA_Index::findDuplicates($tbl_name, $db);
 917             if (! empty($check)) {
 918                 printf(__('Problems with indexes of table `%s`'), $tbl_name);
 919                 echo $check;
 920             }
 921         }
 922     } // End INDEX CHECK
 923
 924     // Bookmark support if required
 925     if ($disp_mode[7] == '1'
 926         && (! empty($cfg['Bookmark']) && empty($id_bookmark))
 927         && !empty($sql_query)) {
 928         echo "\n";
 929
 930         $goto = 'sql.php?'
 931               . PMA_generate_common_url($db, $table)
 932               . '&amp;sql_query=' . urlencode($sql_query)
 933               . '&amp;id_bookmark=1';
 934
 935         ?>
 936 <form action="sql.php" method="post" onsubmit="return emptyFormElements(this, 'fields[label]');">
 937 <?php echo PMA_generate_common_hidden_inputs(); ?>
 938 <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
 939 <input type="hidden" name="fields[dbase]" value="<?php echo htmlspecialchars($db); ?>" />
 940 <input type="hidden" name="fields[user]" value="<?php echo $cfg['Bookmark']['user']; ?>" />
 941 <input type="hidden" name="fields[query]" value="<?php echo urlencode(isset($complete_query) ? $complete_query : $sql_query); ?>" />
 942 <fieldset>
 943     <legend><?php
 944     echo PMA_getIcon('b_bookmark.png', __('Bookmark this SQL query'));
 945 ?>
 946     </legend>
 947
 948     <div class="formelement">
 949         <label for="fields_label_"><?php echo __('Label'); ?>:</label>
 950         <input type="text" id="fields_label_" name="fields[label]" value="" />
 951     </div>
 952
 953     <div class="formelement">
 954         <input type="checkbox" name="bkm_all_users" id="bkm_all_users" value="true" />
 955         <label for="bkm_all_users"><?php echo __('Let every user access this bookmark'); ?></label>
 956     </div>
 957
 958     <div class="clearfloat"></div>
 959 </fieldset>
 960 <fieldset class="tblFooters">
 961     <input type="submit" name="store_bkm" value="<?php echo __('Bookmark this SQL query'); ?>" />
 962 </fieldset>
 963 </form>
 964         <?php
 965     } // end bookmark support
 966
 967     // Do print the page if required
 968     if (isset($printview) && $printview == '1') {
 969         ?>
 970 <script type="text/javascript">
 971 //<![CDATA[
 972 // Do print the page
 973 window.onload = function()
 974 {
 975     if (typeof(window.print) != 'undefined') {
 976         window.print();
 977     }
 978 }
 979 //]]>
 980 </script>
 981         <?php
 982     } // end print case
 983
 984     if ($GLOBALS['is_ajax_request'] != true) {
 985         echo '</div>'; // end sqlqueryresults div
 986     }
 987 } // end rows returned
 988
 989 /**
 990  * Displays the footer
 991  */
 992 if (! isset($_REQUEST['table_maintenance'])) {
 993     require './libraries/footer.inc.php';
 994 }
 995 ?>