libraries/relation.lib.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Set of functions used with the relation and pdf feature
   5  *
   6  * @package phpMyAdmin
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 /**
  13  * Executes a query as controluser if possible, otherwise as normal user
  14  *
  15  * @param   string    the query to execute
  16  * @param   boolean   whether to display SQL error messages or not
  17  *
  18  * @return  integer   the result set, or false if no result set
  19  *
  20  * @access  public
  21  *
  22  */
  23 function PMA_query_as_controluser($sql, $show_error = true, $options = 0)
  24 {
  25     if ($show_error) {
  26         $result = PMA_DBI_query($sql, $GLOBALS['controllink'], $options);
  27     } else {
  28         $result = @PMA_DBI_try_query($sql, $GLOBALS['controllink'], $options);
  29     } // end if... else...
  30
  31     if ($result) {
  32         return $result;
  33     } else {
  34         return false;
  35     }
  36 } // end of the "PMA_query_as_controluser()" function
  37
  38 /**
  39  * @uses    $_SESSION['relation'][$GLOBALS['server']] for caching
  40  * @uses    $GLOBALS['cfgRelation'] to set it
  41  * @uses    $GLOBALS['server'] to ensure we are using server-specific pmadb
  42  * @uses    PMA__getRelationsParam()
  43  * @uses    PMA_printRelationsParamDiagnostic()
  44  * @param   bool    $verbose    whether to print diagnostic info
  45  * @return  array   $cfgRelation
  46  */
  47 function PMA_getRelationsParam($verbose = false)
  48 {
  49     if (empty($_SESSION['relation'][$GLOBALS['server']])) {
  50         $_SESSION['relation'][$GLOBALS['server']] = PMA__getRelationsParam();
  51     }
  52
  53     // just for BC but needs to be before PMA_printRelationsParamDiagnostic()
  54     // which uses it
  55     $GLOBALS['cfgRelation'] = $_SESSION['relation'][$GLOBALS['server']];
  56
  57     if ($verbose) {
  58         PMA_printRelationsParamDiagnostic($_SESSION['relation'][$GLOBALS['server']]);
  59     }
  60
  61     return $_SESSION['relation'][$GLOBALS['server']];
  62 }
  63
  64 /**
  65  * prints out diagnostic info for pma relation feature
  66  *
  67  * @uses    $GLOBALS['server']
  68  * @uses    $GLOBALS['controllink']
  69  * @uses    $cfg['Server']['pmadb']
  70  * @uses    sprintf()
  71  * @uses    PMA_printDiagMessageForFeature()
  72  * @uses    PMA_printDiagMessageForParameter()
  73  * @param   array   $cfgRelation
  74  */
  75 function PMA_printRelationsParamDiagnostic($cfgRelation)
  76 {
  77     $messages['error'] = '<font color="red"><strong>' . __('not OK')
  78                    . '</strong></font> [ <a href="Documentation.html#%s" target="documentation">'
  79                    . __('Documentation') . '</a> ]';
  80
  81     $messages['ok'] = '<font color="green"><strong>' . __('OK') . '</strong></font>';
  82     $messages['enabled']  = '<font color="green">' . __('Enabled') . '</font>';
  83     $messages['disabled'] = '<font color="red">'   . __('Disabled') . '</font>';
  84
  85     if (false === $GLOBALS['cfg']['Server']['pmadb']) {
  86         echo 'PMA Database ... '
  87              . sprintf($messages['error'], 'pmadb')
  88              . '<br />' . "\n"
  89              . __('General relation features')
  90              . ' <font color="green">' . __('Disabled')
  91              . '</font>' . "\n";
  92         return;
  93     }
  94
  95     echo '<table>' . "\n";
  96
  97     PMA_printDiagMessageForParameter('pmadb', $GLOBALS['cfg']['Server']['pmadb'], $messages, 'pmadb');
  98
  99     PMA_printDiagMessageForParameter('relation', isset($cfgRelation['relation']), $messages, 'relation');
 100
 101     PMA_printDiagMessageForFeature(__('General relation features'), 'relwork', $messages);
 102
 103     PMA_printDiagMessageForParameter('table_info', isset($cfgRelation['table_info']), $messages, 'table_info');
 104
 105     PMA_printDiagMessageForFeature(__('Display Features'), 'displaywork', $messages);
 106
 107     PMA_printDiagMessageForParameter('table_coords', isset($cfgRelation['table_coords']), $messages, 'table_coords');
 108
 109     PMA_printDiagMessageForParameter('pdf_pages', isset($cfgRelation['pdf_pages']), $messages, 'table_coords');
 110
 111     PMA_printDiagMessageForFeature(__('Creation of PDFs'), 'pdfwork', $messages);
 112
 113     PMA_printDiagMessageForParameter('column_info', isset($cfgRelation['column_info']), $messages, 'col_com');
 114
 115     PMA_printDiagMessageForFeature(__('Displaying Column Comments'), 'commwork', $messages, false);
 116
 117     PMA_printDiagMessageForFeature(__('Browser transformation'), 'mimework', $messages);
 118
 119     if ($cfgRelation['commwork'] && ! $cfgRelation['mimework']) {
 120         echo '<tr><td colspan=2 align="left">' . __('Please see the documentation on how to update your column_comments table') . '</td></tr>' . "\n";
 121     }
 122
 123     PMA_printDiagMessageForParameter('bookmarktable', isset($cfgRelation['bookmark']), $messages, 'bookmark');
 124
 125     PMA_printDiagMessageForFeature(__('Bookmarked SQL query'), 'bookmarkwork', $messages);
 126
 127     PMA_printDiagMessageForParameter('history', isset($cfgRelation['history']), $messages, 'history');
 128
 129     PMA_printDiagMessageForFeature(__('SQL history'), 'historywork', $messages);
 130
 131     PMA_printDiagMessageForParameter('designer_coords', isset($cfgRelation['designer_coords']), $messages, 'designer_coords');
 132
 133     PMA_printDiagMessageForFeature(__('Designer'), 'designerwork', $messages);
 134
 135     PMA_printDiagMessageForParameter('tracking', isset($cfgRelation['tracking']), $messages, 'tracking');
 136
 137     PMA_printDiagMessageForFeature(__('Tracking'), 'trackingwork', $messages);
 138
 139     PMA_printDiagMessageForParameter('userconfig', isset($cfgRelation['userconfig']), $messages, 'userconfig');
 140
 141     PMA_printDiagMessageForFeature(__('User preferences'), 'userconfigwork', $messages);
 142
 143     echo '</table>' . "\n";
 144
 145     echo '<p>' . __('Quick steps to setup advanced features:') . '</p>';
 146     echo '<ul>';
 147     echo '<li>' . __('Create the needed tables with the <code>script/create_tables.sql</code>.') . ' ' . PMA_showDocu('linked-tables') . '</li>';
 148     echo '<li>' . __('Create a pma user and give access to these tables.') . ' ' . PMA_showDocu('pmausr') . '</li>';
 149     echo '<li>' . __('Enable advanced features in configuration file (<code>config.inc.php</code>), for example by starting from <code>config.sample.inc.php</code>.') . ' ' . PMA_showDocu('quick_install') . '</li>';
 150     echo '<li>' . __('Re-login to phpMyAdmin to load the updated configuration file.') . '</li>';
 151     echo '</ul>';
 152 }
 153
 154 /**
 155  * prints out one diagnostic message for a feature
 156  *
 157  * @param   string  feature name in a message string
 158  * @param   string  the $GLOBALS['cfgRelation'] parameter to check
 159  * @param   array   utility messages
 160  * @param   boolean whether to skip a line after the message
 161  */
 162 function PMA_printDiagMessageForFeature($feature_name, $relation_parameter, $messages, $skip_line=true)
 163 {
 164     echo '    <tr><td colspan=2 align="right">' . $feature_name . ': '
 165          . ($GLOBALS['cfgRelation'][$relation_parameter] ? $messages['enabled'] : $messages['disabled'])
 166          . '</td></tr>' . "\n";
 167     if ($skip_line) {
 168         echo '    <tr><td>&nbsp;</td></tr>' . "\n";
 169     }
 170 }
 171
 172 /**
 173  * prints out one diagnostic message for a configuration parameter
 174  *
 175  * @param   string  config parameter name to display
 176  * @param   boolean whether this parameter is set
 177  * @param   array   utility messages
 178  * @param   string  anchor in Documentation.html
 179  */
 180 function PMA_printDiagMessageForParameter($parameter, $relation_parameter_set, $messages, $doc_anchor)
 181 {
 182     echo '    <tr><th align="left">';
 183     echo '$cfg[\'Servers\'][$i][\'' . $parameter . '\']  ... </th><td align="right">';
 184     echo ($relation_parameter_set ? $messages['ok'] : sprintf($messages['error'], $doc_anchor)) . '</td></tr>' . "\n";
 185 }
 186
 187
 188 /**
 189  * Defines the relation parameters for the current user
 190  * just a copy of the functions used for relations ;-)
 191  * but added some stuff to check what will work
 192  *
 193  * @uses    $cfg['Server']['user']
 194  * @uses    $cfg['Server']['pmadb']
 195  * @uses    $cfg['Server']['verbose_check']
 196  * @uses    $GLOBALS['server']
 197  * @uses    $GLOBALS['controllink']
 198  * @uses    PMA_DBI_QUERY_STORE
 199  * @uses    PMA_DBI_select_db()
 200  * @uses    PMA_backquote()
 201  * @uses    PMA_query_as_controluser()
 202  * @uses    PMA_DBI_fetch_row()
 203  * @uses    PMA_DBI_free_result()
 204  * @access  protected
 205  * @return  array    the relation parameters for the current user
 206  */
 207 function PMA__getRelationsParam()
 208 {
 209     $cfgRelation                = array();
 210     $cfgRelation['relwork']     = false;
 211     $cfgRelation['displaywork'] = false;
 212     $cfgRelation['bookmarkwork']= false;
 213     $cfgRelation['pdfwork']     = false;
 214     $cfgRelation['commwork']    = false;
 215     $cfgRelation['mimework']    = false;
 216     $cfgRelation['historywork'] = false;
 217     $cfgRelation['trackingwork'] = false;
 218     $cfgRelation['designerwork'] = false;
 219     $cfgRelation['userconfigwork'] = false;
 220     $cfgRelation['allworks']    = false;
 221     $cfgRelation['user']        = null;
 222     $cfgRelation['db']          = null;
 223
 224     if ($GLOBALS['server'] == 0 || empty($GLOBALS['cfg']['Server']['pmadb'])
 225      || ! PMA_DBI_select_db($GLOBALS['cfg']['Server']['pmadb'], $GLOBALS['controllink'])) {
 226         // No server selected -> no bookmark table
 227         // we return the array with the falses in it,
 228         // to avoid some 'Unitialized string offset' errors later
 229         $GLOBALS['cfg']['Server']['pmadb'] = false;
 230         return $cfgRelation;
 231     }
 232
 233
 234     $cfgRelation['user']  = $GLOBALS['cfg']['Server']['user'];
 235     $cfgRelation['db']    = $GLOBALS['cfg']['Server']['pmadb'];
 236
 237     //  Now I just check if all tables that i need are present so I can for
 238     //  example enable relations but not pdf...
 239     //  I was thinking of checking if they have all required columns but I
 240     //  fear it might be too slow
 241
 242     $tab_query = 'SHOW TABLES FROM ' . PMA_backquote($GLOBALS['cfg']['Server']['pmadb']);
 243     $tab_rs    = PMA_query_as_controluser($tab_query, false, PMA_DBI_QUERY_STORE);
 244
 245     if (! $tab_rs) {
 246         // query failed ... ?
 247         //$GLOBALS['cfg']['Server']['pmadb'] = false;
 248         return $cfgRelation;
 249     }
 250
 251     while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
 252         if ($curr_table[0] == $GLOBALS['cfg']['Server']['bookmarktable']) {
 253             $cfgRelation['bookmark']        = $curr_table[0];
 254         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['relation']) {
 255             $cfgRelation['relation']        = $curr_table[0];
 256         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_info']) {
 257             $cfgRelation['table_info']      = $curr_table[0];
 258         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_coords']) {
 259             $cfgRelation['table_coords']    = $curr_table[0];
 260         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['designer_coords']) {
 261             $cfgRelation['designer_coords']    = $curr_table[0];
 262         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['column_info']) {
 263             $cfgRelation['column_info'] = $curr_table[0];
 264         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['pdf_pages']) {
 265             $cfgRelation['pdf_pages']       = $curr_table[0];
 266         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['history']) {
 267             $cfgRelation['history'] = $curr_table[0];
 268         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['tracking']) {
 269             $cfgRelation['tracking'] = $curr_table[0];
 270         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['userconfig']) {
 271             $cfgRelation['userconfig'] = $curr_table[0];
 272         }
 273     } // end while
 274     PMA_DBI_free_result($tab_rs);
 275
 276     if (isset($cfgRelation['relation'])) {
 277         $cfgRelation['relwork']         = true;
 278         if (isset($cfgRelation['table_info'])) {
 279                 $cfgRelation['displaywork'] = true;
 280         }
 281     }
 282     if (isset($cfgRelation['table_coords']) && isset($cfgRelation['pdf_pages'])) {
 283         $cfgRelation['pdfwork']     = true;
 284     }
 285     if (isset($cfgRelation['column_info'])) {
 286         $cfgRelation['commwork']    = true;
 287
 288         if ($GLOBALS['cfg']['Server']['verbose_check']) {
 289             $mime_query  = 'SHOW FIELDS FROM '
 290                 . PMA_backquote($cfgRelation['db']) . '.'
 291                 . PMA_backquote($cfgRelation['column_info']);
 292             $mime_rs     = PMA_query_as_controluser($mime_query, false);
 293
 294             $mime_field_mimetype                = false;
 295             $mime_field_transformation          = false;
 296             $mime_field_transformation_options  = false;
 297             while ($curr_mime_field = @PMA_DBI_fetch_row($mime_rs)) {
 298                 if ($curr_mime_field[0] == 'mimetype') {
 299                     $mime_field_mimetype               = true;
 300                 } elseif ($curr_mime_field[0] == 'transformation') {
 301                     $mime_field_transformation         = true;
 302                 } elseif ($curr_mime_field[0] == 'transformation_options') {
 303                     $mime_field_transformation_options = true;
 304                 }
 305             }
 306             PMA_DBI_free_result($mime_rs);
 307
 308             if ($mime_field_mimetype
 309              && $mime_field_transformation
 310              && $mime_field_transformation_options) {
 311                 $cfgRelation['mimework'] = true;
 312             }
 313         } else {
 314             $cfgRelation['mimework'] = true;
 315         }
 316     }
 317
 318     if (isset($cfgRelation['history'])) {
 319         $cfgRelation['historywork']     = true;
 320     }
 321
 322     if (isset($cfgRelation['tracking'])) {
 323         $cfgRelation['trackingwork']     = true;
 324     }
 325
 326     if (isset($cfgRelation['userconfig'])) {
 327         $cfgRelation['userconfigwork']   = true;
 328     }
 329
 330     // we do not absolutely need that the internal relations or the PDF
 331     // schema feature be activated
 332     if (isset($cfgRelation['designer_coords'])) {
 333         $cfgRelation['designerwork']     = true;
 334     }
 335
 336     if (isset($cfgRelation['bookmark'])) {
 337         $cfgRelation['bookmarkwork']     = true;
 338     }
 339
 340     if ($cfgRelation['relwork'] && $cfgRelation['displaywork']
 341      && $cfgRelation['pdfwork'] && $cfgRelation['commwork']
 342      && $cfgRelation['mimework'] && $cfgRelation['historywork']
 343      && $cfgRelation['trackingwork'] && $cfgRelation['userconfigwork']
 344      && $cfgRelation['bookmarkwork'] && $cfgRelation['designerwork']) {
 345         $cfgRelation['allworks'] = true;
 346     }
 347
 348     return $cfgRelation;
 349 } // end of the 'PMA_getRelationsParam()' function
 350
 351 /**
 352  * Gets all Relations to foreign tables for a given table or
 353  * optionally a given column in a table
 354  *
 355  * @access  public
 356  * @uses    $GLOBALS['controllink']
 357  * @uses    $GLOBALS['information_schema_relations']
 358  * @uses    PMA_getRelationsParam()
 359  * @uses    PMA_backquote()
 360  * @uses    PMA_sqlAddslashes()
 361  * @uses    PMA_DBI_fetch_result()
 362  * @uses    PMA_DBI_fetch_value()
 363  * @uses    PMA_SQP_analyze()
 364  * @uses    PMA_SQP_parse()
 365  * @uses    count()
 366  * @uses    strlen()
 367  * @param   string   $db        the name of the db to check for
 368  * @param   string   $table     the name of the table to check for
 369  * @param   string   $column    the name of the column to check for
 370  * @param   string   $source    the source for foreign key information
 371  * @return  array    db,table,column
 372  */
 373 function PMA_getForeigners($db, $table, $column = '', $source = 'both')
 374 {
 375     $cfgRelation = PMA_getRelationsParam();
 376     $foreign = array();
 377
 378     if ($cfgRelation['relwork'] && ($source == 'both' || $source == 'internal')) {
 379         $rel_query = '
 380              SELECT `master_field`,
 381                     `foreign_db`,
 382                     `foreign_table`,
 383                     `foreign_field`
 384                FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation']) . '
 385               WHERE `master_db`    = \'' . PMA_sqlAddslashes($db) . '\'
 386                 AND `master_table` = \'' . PMA_sqlAddslashes($table) . '\' ';
 387         if (strlen($column)) {
 388             $rel_query .= ' AND `master_field` = \'' . PMA_sqlAddslashes($column) . '\'';
 389         }
 390         $foreign = PMA_DBI_fetch_result($rel_query, 'master_field', null, $GLOBALS['controllink']);
 391     }
 392
 393     if (($source == 'both' || $source == 'foreign') && strlen($table)) {
 394         $show_create_table_query = 'SHOW CREATE TABLE '
 395             . PMA_backquote($db) . '.' . PMA_backquote($table);
 396         $show_create_table = PMA_DBI_fetch_value($show_create_table_query, 0, 1);
 397         $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
 398
 399         foreach ($analyzed_sql[0]['foreign_keys'] as $one_key) {
 400             // The analyzer may return more than one column name in the
 401             // index list or the ref_index_list; if this happens,
 402             // the current logic just discards the whole index; having
 403             // more than one index field is currently unsupported (see FAQ 3.6)
 404             if (count($one_key['index_list']) == 1) {
 405                 foreach ($one_key['index_list'] as $i => $field) {
 406                     // If a foreign key is defined in the 'internal' source (pmadb)
 407                     // and as a native foreign key, we won't get it twice
 408                     // if $source='both' because we use $field as key
 409
 410                     // The parser looks for a CONSTRAINT clause just before
 411                     // the FOREIGN KEY clause. It finds it (as output from
 412                     // SHOW CREATE TABLE) in MySQL 4.0.13, but not in older
 413                     // versions like 3.23.58.
 414                     // In those cases, the FOREIGN KEY parsing will put numbers
 415                     // like -1, 0, 1... instead of the constraint number.
 416
 417                     if (isset($one_key['constraint'])) {
 418                         $foreign[$field]['constraint'] = $one_key['constraint'];
 419                     }
 420
 421                     if (isset($one_key['ref_db_name'])) {
 422                         $foreign[$field]['foreign_db'] = $one_key['ref_db_name'];
 423                     } else {
 424                         $foreign[$field]['foreign_db'] = $db;
 425                     }
 426                     $foreign[$field]['foreign_table'] = $one_key['ref_table_name'];
 427                     $foreign[$field]['foreign_field'] = $one_key['ref_index_list'][$i];
 428                     if (isset($one_key['on_delete'])) {
 429                         $foreign[$field]['on_delete'] = $one_key['on_delete'];
 430                     }
 431                     if (isset($one_key['on_update'])) {
 432                         $foreign[$field]['on_update'] = $one_key['on_update'];
 433                     }
 434                 }
 435             }
 436         }
 437     }
 438
 439     /**
 440      * Emulating relations for some information_schema tables
 441      */
 442     if ($db == 'information_schema'
 443      && ($source == 'internal' || $source == 'both')) {
 444         require_once './libraries/information_schema_relations.lib.php';
 445
 446         if (isset($GLOBALS['information_schema_relations'][$table])) {
 447             foreach ($GLOBALS['information_schema_relations'][$table] as $field => $relations) {
 448                 if ((! strlen($column) || $column == $field)
 449                  && (! isset($foreign[$field]) || ! strlen($foreign[$field]))) {
 450                     $foreign[$field] = $relations;
 451                 }
 452             }
 453         }
 454     }
 455
 456     return $foreign;
 457 } // end of the 'PMA_getForeigners()' function
 458
 459 /**
 460  * Gets the display field of a table
 461  *
 462  * @access  public
 463  * @uses    $GLOBALS['controllink']
 464  * @uses    PMA_getRelationsParam()
 465  * @uses    PMA_backquote()
 466  * @uses    PMA_sqlAddslashes()
 467  * @uses    PMA_DBI_fetch_single_row()
 468  * @uses    trim()
 469  * @param   string   $db    the name of the db to check for
 470  * @param   string   $table the name of the table to check for
 471  * @return  string   field name
 472  */
 473 function PMA_getDisplayField($db, $table)
 474 {
 475     $cfgRelation = PMA_getRelationsParam();
 476
 477     /**
 478      * Try to fetch the display field from DB.
 479      */
 480     if ($cfgRelation['displaywork']) {
 481         $disp_query = '
 482              SELECT `display_field`
 483                FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . '
 484               WHERE `db_name`    = \'' . PMA_sqlAddslashes($db) . '\'
 485                 AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'';
 486
 487         $row = PMA_DBI_fetch_single_row($disp_query, 'ASSOC', $GLOBALS['controllink']);
 488         if (isset($row['display_field'])) {
 489             return $row['display_field'];
 490         }
 491     }
 492
 493     /**
 494      * Emulating the display field for some information_schema tables.
 495      */
 496     if ($db == 'information_schema') {
 497         switch ($table) {
 498             case 'CHARACTER_SETS': return 'DESCRIPTION';
 499             case 'TABLES':         return 'TABLE_COMMENT';
 500         }
 501     }
 502
 503     /**
 504      * No Luck...
 505      */
 506     return false;
 507
 508 } // end of the 'PMA_getDisplayField()' function
 509
 510 /**
 511  * Gets the comments for all rows of a table or the db itself
 512  *
 513  * @access  public
 514  * @uses    PMA_DBI_get_fields()
 515  * @uses    PMA_getDbComment()
 516  * @param   string   the name of the db to check for
 517  * @param   string   the name of the table to check for
 518  * @return  array    [field_name] = comment
 519  */
 520 function PMA_getComments($db, $table = '')
 521 {
 522     $comments = array();
 523
 524     if ($table != '') {
 525         // MySQL native column comments
 526         $fields = PMA_DBI_get_fields($db, $table);
 527         if ($fields) {
 528             foreach ($fields as $key => $field) {
 529                 if (! empty($field['Comment'])) {
 530                     $comments[$field['Field']] = $field['Comment'];
 531                 }
 532             }
 533         }
 534     } else {
 535         $comments[] = PMA_getDbComment($db);
 536     }
 537
 538     return $comments;
 539 } // end of the 'PMA_getComments()' function
 540
 541 /**
 542  * Gets the comment for a db
 543  *
 544  * @access  public
 545  * @uses    PMA_DBI_QUERY_STORE
 546  * @uses    PMA_DBI_num_rows()
 547  * @uses    PMA_DBI_fetch_assoc()
 548  * @uses    PMA_DBI_free_result()
 549  * @uses    PMA_getRelationsParam()
 550  * @uses    PMA_backquote()
 551  * @uses    PMA_sqlAddslashes()
 552  * @uses    PMA_query_as_controluser()
 553  * @uses    strlen()
 554  * @param   string   the name of the db to check for
 555  * @return  string   comment
 556  */
 557 function PMA_getDbComment($db)
 558 {
 559     $cfgRelation = PMA_getRelationsParam();
 560     $comment = '';
 561
 562     if ($cfgRelation['commwork']) {
 563         // pmadb internal db comment
 564         $com_qry = "
 565              SELECT `comment`
 566                FROM " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 567               WHERE db_name     = '" . PMA_sqlAddslashes($db) . "'
 568                 AND table_name  = ''
 569                 AND column_name = '(db_comment)'";
 570         $com_rs = PMA_query_as_controluser($com_qry, true, PMA_DBI_QUERY_STORE);
 571
 572         if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
 573             $row = PMA_DBI_fetch_assoc($com_rs);
 574             $comment = $row['comment'];
 575         }
 576         PMA_DBI_free_result($com_rs);
 577     }
 578
 579     return $comment;
 580 } // end of the 'PMA_getDbComment()' function
 581
 582 /**
 583  * Gets the comment for a db
 584  *
 585  * @access  public
 586  * @uses    PMA_DBI_QUERY_STORE
 587  * @uses    PMA_DBI_num_rows()
 588  * @uses    PMA_DBI_fetch_assoc()
 589  * @uses    PMA_DBI_free_result()
 590  * @uses    PMA_getRelationsParam()
 591  * @uses    PMA_backquote()
 592  * @uses    PMA_sqlAddslashes()
 593  * @uses    PMA_query_as_controluser()
 594  * @uses    strlen()
 595  * @param   string   the name of the db to check for
 596  * @return  string   comment
 597  */
 598 function PMA_getDbComments()
 599 {
 600     $cfgRelation = PMA_getRelationsParam();
 601     $comments = array();
 602
 603     if ($cfgRelation['commwork']) {
 604         // pmadb internal db comment
 605         $com_qry = "
 606              SELECT `db_name`, `comment`
 607                FROM " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 608               WHERE `column_name` = '(db_comment)'";
 609         $com_rs = PMA_query_as_controluser($com_qry, true, PMA_DBI_QUERY_STORE);
 610
 611         if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
 612             while ($row = PMA_DBI_fetch_assoc($com_rs)) {
 613                 $comments[$row['db_name']] = $row['comment'];
 614             }
 615         }
 616         PMA_DBI_free_result($com_rs);
 617     }
 618
 619     return $comments;
 620 } // end of the 'PMA_getDbComments()' function
 621
 622 /**
 623  * Set a database comment to a certain value.
 624  *
 625  * @uses    PMA_getRelationsParam()
 626  * @uses    PMA_backquote()
 627  * @uses    PMA_sqlAddslashes()
 628  * @uses    PMA_query_as_controluser()
 629  * @uses    strlen()
 630  * @access  public
 631  * @param   string   $db        the name of the db
 632  * @param   string   $comment   the value of the column
 633  * @return  boolean  true, if comment-query was made.
 634  */
 635 function PMA_setDbComment($db, $comment = '')
 636 {
 637     $cfgRelation = PMA_getRelationsParam();
 638
 639     if (! $cfgRelation['commwork']) {
 640         return false;
 641     }
 642
 643     if (strlen($comment)) {
 644         $upd_query = "
 645              INSERT INTO
 646                     " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 647                     (`db_name`, `table_name`, `column_name`, `comment`)
 648              VALUES (
 649                    '" . PMA_sqlAddslashes($db) . "',
 650                    '',
 651                    '(db_comment)',
 652                    '" . PMA_sqlAddslashes($comment) . "')
 653              ON DUPLICATE KEY UPDATE
 654                 `comment` = '" . PMA_sqlAddslashes($comment) . "'";
 655     } else {
 656         $upd_query = '
 657              DELETE FROM
 658                     ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
 659               WHERE `db_name`     = \'' . PMA_sqlAddslashes($db) . '\'
 660                 AND `table_name`  = \'\'
 661                 AND `column_name` = \'(db_comment)\'';
 662     }
 663
 664     if (isset($upd_query)){
 665         return PMA_query_as_controluser($upd_query);
 666     }
 667
 668     return false;
 669 } // end of 'PMA_setDbComment()' function
 670
 671 /**
 672  * Set a SQL history entry
 673  *
 674  * @uses    $_SESSION['sql_history']
 675  * @uses    $cfg['QueryHistoryDB']
 676  * @uses    $cfg['QueryHistoryMax']
 677  * @uses    PMA_getRelationsParam()
 678  * @uses    PMA_query_as_controluser()
 679  * @uses    PMA_backquote()
 680  * @uses    PMA_sqlAddslashes()
 681  * @uses    count()
 682  * @uses    md5()
 683  * @uses    array_shift()
 684  * @param   string   $db        the name of the db
 685  * @param   string   $table     the name of the table
 686  * @param   string   $username  the username
 687  * @param   string   $sqlquery  the sql query
 688  * @access  public
 689  */
 690 function PMA_setHistory($db, $table, $username, $sqlquery)
 691 {
 692     if (strlen($sqlquery) > $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
 693         return;
 694     }
 695
 696     $cfgRelation = PMA_getRelationsParam();
 697
 698     if (! isset($_SESSION['sql_history'])) {
 699         $_SESSION['sql_history'] = array();
 700     }
 701
 702     $key = md5($sqlquery . $db . $table);
 703
 704     if (isset($_SESSION['sql_history'][$key])) {
 705         unset($_SESSION['sql_history'][$key]);
 706     }
 707
 708     $_SESSION['sql_history'][$key] = array(
 709         'db' => $db,
 710         'table' => $table,
 711         'sqlquery' => $sqlquery,
 712     );
 713
 714     if (count($_SESSION['sql_history']) > $GLOBALS['cfg']['QueryHistoryMax']) {
 715         // history should not exceed a maximum count
 716         array_shift($_SESSION['sql_history']);
 717     }
 718
 719     if (! $cfgRelation['historywork'] || ! $GLOBALS['cfg']['QueryHistoryDB']) {
 720         return;
 721     }
 722
 723     PMA_query_as_controluser('
 724          INSERT INTO
 725                 ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 726               (`username`,
 727                 `db`,
 728                 `table`,
 729                 `timevalue`,
 730                 `sqlquery`)
 731          VALUES
 732               (\'' . PMA_sqlAddslashes($username) . '\',
 733                \'' . PMA_sqlAddslashes($db) . '\',
 734                \'' . PMA_sqlAddslashes($table) . '\',
 735                NOW(),
 736                \'' . PMA_sqlAddslashes($sqlquery) . '\')');
 737 } // end of 'PMA_setHistory()' function
 738
 739 /**
 740  * Gets a SQL history entry
 741  *
 742  * @uses    $_SESSION['sql_history']
 743  * @uses    $GLOBALS['controllink']
 744  * @uses    PMA_getRelationsParam()
 745  * @uses    PMA_backquote()
 746  * @uses    PMA_sqlAddslashes()
 747  * @uses    PMA_DBI_fetch_result()
 748  * @uses    array_reverse()
 749  * @param   string   $username  the username
 750  * @return  array    list of history items
 751  * @access  public
 752  */
 753 function PMA_getHistory($username)
 754 {
 755     $cfgRelation = PMA_getRelationsParam();
 756
 757     if (isset($_SESSION['sql_history'])) {
 758         return array_reverse($_SESSION['sql_history']);
 759     }
 760
 761     if (! $cfgRelation['historywork']) {
 762         return false;
 763     }
 764
 765     $hist_query = '
 766          SELECT `db`,
 767                 `table`,
 768                 `sqlquery`
 769            FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 770           WHERE `username` = \'' . PMA_sqlAddslashes($username) . '\'
 771        ORDER BY `id` DESC';
 772
 773     return PMA_DBI_fetch_result($hist_query, null, null, $GLOBALS['controllink']);
 774 } // end of 'PMA_getHistory()' function
 775
 776 /**
 777  * purges SQL history
 778  *
 779  * deletes entries that exceeds $cfg['QueryHistoryMax'], oldest first, for the
 780  * given user
 781  *
 782  * @uses    $cfg['QueryHistoryMax']
 783  * @uses    $cfg['QueryHistoryDB']
 784  * @uses    $GLOBALS['controllink']
 785  * @uses    PMA_backquote()
 786  * @uses    PMA_sqlAddSlashes()
 787  * @uses    PMA_query_as_controluser()
 788  * @uses    PMA_DBI_fetch_value()
 789  * @param   string   $username  the username
 790  * @access  public
 791  */
 792 function PMA_purgeHistory($username)
 793 {
 794     $cfgRelation = PMA_getRelationsParam();
 795     if (! $GLOBALS['cfg']['QueryHistoryDB'] || ! $cfgRelation['historywork']) {
 796         return;
 797     }
 798
 799     if (! $cfgRelation['historywork']) {
 800         return;
 801     }
 802
 803     $search_query = '
 804          SELECT `timevalue`
 805            FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 806           WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
 807        ORDER BY `timevalue` DESC
 808           LIMIT ' . $GLOBALS['cfg']['QueryHistoryMax'] . ', 1';
 809
 810     if ($max_time = PMA_DBI_fetch_value($search_query, 0, 0, $GLOBALS['controllink'])) {
 811         PMA_query_as_controluser('
 812              DELETE FROM
 813                     ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 814               WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
 815                 AND `timevalue` <= \'' . $max_time . '\'');
 816     }
 817 } // end of 'PMA_purgeHistory()' function
 818
 819 /**
 820  * Prepares the dropdown for one mode
 821  *
 822  * @uses    $cfg['LimitChars']
 823  * @uses    $cfg['NaturalOrder']
 824  * @uses    PMA_strlen()
 825  * @uses    htmlspecialchars()
 826  * @uses    substr()
 827  * @uses    uksort()
 828  * @uses    ksort()
 829  * @uses    natcasesort()
 830  * @uses    asort()
 831  * @param   array    $foreign   the keys and values for foreigns
 832  * @param   string   $data      the current data of the dropdown
 833  * @param   string   $mode      the needed mode
 834  *
 835  * @return  array   the <option value=""><option>s
 836  *
 837  * @access  protected
 838  */
 839 function PMA__foreignDropdownBuild($foreign, $data, $mode)
 840 {
 841     $reloptions = array();
 842
 843     if ($mode == 'id-content') {
 844         // sort for id-content
 845         if ($GLOBALS['cfg']['NaturalOrder']) {
 846             uksort($foreign, 'strnatcasecmp');
 847         } else {
 848             ksort($foreign);
 849         }
 850     } elseif ($mode == 'content-id') {
 851         // sort for content-id
 852         if ($GLOBALS['cfg']['NaturalOrder']) {
 853             natcasesort($foreign);
 854         } else {
 855             asort($foreign);
 856         }
 857     }
 858
 859     foreach ($foreign as $key => $value) {
 860
 861         if (PMA_strlen($value) <= $GLOBALS['cfg']['LimitChars']) {
 862             $vtitle = '';
 863             $value  = htmlspecialchars($value);
 864         } else {
 865             $vtitle  = htmlspecialchars($value);
 866             $value  = htmlspecialchars(substr($value, 0, $GLOBALS['cfg']['LimitChars']) . '...');
 867         }
 868
 869         $reloption = '                <option value="' . htmlspecialchars($key) . '"';
 870         if ($vtitle != '') {
 871             $reloption .= ' title="' . $vtitle . '"';
 872         }
 873
 874         if ((string) $key == (string) $data) {
 875            $reloption .= ' selected="selected"';
 876         }
 877
 878         if ($mode == 'content-id') {
 879             $reloptions[] = $reloption . '>' . $value . '&nbsp;-&nbsp;' . htmlspecialchars($key) .  '</option>' . "\n";
 880         } else {
 881             $reloptions[] = $reloption . '>' . htmlspecialchars($key) .  '&nbsp;-&nbsp;' . $value . '</option>' . "\n";
 882         }
 883     } // end foreach
 884
 885     return $reloptions;
 886 } // end of 'PMA__foreignDropdownBuild' function
 887
 888 /**
 889  * Outputs dropdown with values of foreign fields
 890  *
 891  * @uses    $cfg['ForeignKeyMaxLimit']
 892  * @uses    $cfg['ForeignKeyDropdownOrder']
 893  * @uses    PMA__foreignDropdownBuild()
 894  * @uses    PMA_isValid()
 895  * @uses    implode()
 896  * @param   array    array of the displayed row
 897  * @param   string   the foreign field
 898  * @param   string   the foreign field to display
 899  * @param   string   the current data of the dropdown (field in row)
 900  * @return  string   the <option value=""><option>s
 901  * @access  public
 902  */
 903 function PMA_foreignDropdown($disp_row, $foreign_field, $foreign_display, $data,
 904     $max = null)
 905 {
 906     if (null === $max) {
 907         $max = $GLOBALS['cfg']['ForeignKeyMaxLimit'];
 908     }
 909
 910     $foreign = array();
 911
 912     // collect the data
 913     foreach ($disp_row as $relrow) {
 914         $key   = $relrow[$foreign_field];
 915
 916         // if the display field has been defined for this foreign table
 917         if ($foreign_display) {
 918             $value  = $relrow[$foreign_display];
 919         } else {
 920             $value = '';
 921         } // end if ($foreign_display)
 922
 923         $foreign[$key] = $value;
 924     } // end foreach
 925
 926     // put the dropdown sections in correct order
 927     $top = array();
 928     $bot = array();
 929     if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'], 'array')) {
 930         if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][0])) {
 931             $top = PMA__foreignDropdownBuild($foreign, $data,
 932                 $GLOBALS['cfg']['ForeignKeyDropdownOrder'][0]);
 933         }
 934         if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][1])) {
 935             $bot = PMA__foreignDropdownBuild($foreign, $data,
 936                 $GLOBALS['cfg']['ForeignKeyDropdownOrder'][1]);
 937         }
 938     } else {
 939         $top = PMA__foreignDropdownBuild($foreign, $data, 'id-content');
 940         $bot = PMA__foreignDropdownBuild($foreign, $data, 'content-id');
 941     }
 942
 943     // beginning of dropdown
 944     $ret = '<option value="">&nbsp;</option>' . "\n";
 945
 946     $top_count = count($top);
 947     if ($max == -1 || $top_count < $max) {
 948         $ret .= implode('', $top);
 949         if ($top_count > 0) {
 950             $ret .= '                <option value="">&nbsp;</option>' . "\n";
 951             $ret .= '                <option value="">&nbsp;</option>' . "\n";
 952         }
 953     }
 954     $ret .= implode('', $bot);
 955
 956     return $ret;
 957 } // end of 'PMA_foreignDropdown()' function
 958
 959 /**
 960  * Gets foreign keys in preparation for a drop-down selector
 961  *
 962  * @uses    PMA_Table::countRecords()
 963  * @uses    PMA_backquote()
 964  * @uses    PMA_getDisplayField()
 965  * @uses    PMA_sqlAddslashes()
 966  * @uses    PMA_DBI_fetch_value()
 967  * @uses    PMA_DBI_free_result()
 968  * @uses    PMA_DBI_query()
 969  * @uses    PMA_DBI_num_rows()
 970  * @uses    PMA_DBI_fetch_assoc()
 971  * @param   array    array of the foreign keys
 972  * @param   string   the foreign field name
 973  * @param   bool     whether to override the total
 974  * @param   string   a possible filter
 975  * @param   string   a possible LIMIT clause
 976  * @return  array    data about the foreign keys
 977  * @access  public
 978  */
 979
 980 function PMA_getForeignData($foreigners, $field, $override_total, $foreign_filter, $foreign_limit)
 981 {
 982     // we always show the foreign field in the drop-down; if a display
 983     // field is defined, we show it besides the foreign field
 984     $foreign_link = false;
 985     if ($foreigners && isset($foreigners[$field])) {
 986         $foreigner       = $foreigners[$field];
 987         $foreign_db      = $foreigner['foreign_db'];
 988         $foreign_table   = $foreigner['foreign_table'];
 989         $foreign_field   = $foreigner['foreign_field'];
 990
 991         // Count number of rows in the foreign table. Currently we do
 992         // not use a drop-down if more than 200 rows in the foreign table,
 993         // for speed reasons and because we need a better interface for this.
 994         //
 995         // We could also do the SELECT anyway, with a LIMIT, and ensure that
 996         // the current value of the field is one of the choices.
 997
 998         $the_total   = PMA_Table::countRecords($foreign_db, $foreign_table);
 999
1000         if ($override_total == true || $the_total < $GLOBALS['cfg']['ForeignKeyMaxLimit']) {
1001             // foreign_display can be FALSE if no display field defined:
1002             $foreign_display = PMA_getDisplayField($foreign_db, $foreign_table);
1003
1004             $f_query_main = 'SELECT ' . PMA_backquote($foreign_field)
1005                         . (($foreign_display == FALSE) ? '' : ', ' . PMA_backquote($foreign_display));
1006             $f_query_from = ' FROM ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table);
1007             $f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_backquote($foreign_field)
1008                             . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"'
1009                             . (($foreign_display == FALSE) ? '' : ' OR ' . PMA_backquote($foreign_display)
1010                                 . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"'
1011                                 );
1012             $f_query_order = ($foreign_display == FALSE) ? '' :' ORDER BY ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($foreign_display);
1013             $f_query_limit = isset($foreign_limit) ? $foreign_limit : '';
1014
1015             if (!empty($foreign_filter)) {
1016                 $res = PMA_DBI_query('SELECT COUNT(*)' . $f_query_from . $f_query_filter);
1017                 if ($res) {
1018                     $the_total = PMA_DBI_fetch_value($res);
1019                     @PMA_DBI_free_result($res);
1020                 } else {
1021                     $the_total = 0;
1022                 }
1023             }
1024
1025             $disp  = PMA_DBI_query($f_query_main . $f_query_from . $f_query_filter . $f_query_order . $f_query_limit);
1026             if ($disp && PMA_DBI_num_rows($disp) > 0) {
1027                 // If a resultset has been created, pre-cache it in the $disp_row array
1028                 // This helps us from not needing to use mysql_data_seek by accessing a pre-cached
1029                 // PHP array. Usually those resultsets are not that big, so a performance hit should
1030                 // not be expected.
1031                 $disp_row = array();
1032                 while ($single_disp_row = @PMA_DBI_fetch_assoc($disp)) {
1033                     $disp_row[] = $single_disp_row;
1034                 }
1035                 @PMA_DBI_free_result($disp);
1036             }
1037         } else {
1038             $disp_row = null;
1039             $foreign_link = true;
1040         }
1041     }  // end if $foreigners
1042
1043     $foreignData['foreign_link'] = $foreign_link;
1044     $foreignData['the_total'] = isset($the_total) ? $the_total : null;
1045     $foreignData['foreign_display'] = isset($foreign_display) ? $foreign_display : null;
1046     $foreignData['disp_row'] = isset($disp_row) ? $disp_row : null;
1047     $foreignData['foreign_field'] = isset($foreign_field) ? $foreign_field : null;
1048     return $foreignData;
1049 } // end of 'PMA_getForeignData()' function
1050
1051 /**
1052  * Finds all related tables
1053  *
1054  * @uses    $GLOBALS['controllink']
1055  * @uses    $GLOBALS['cfgRelation']
1056  * @uses    $GLOBALS['db']
1057  * @param   string   whether to go from master to foreign or vice versa
1058  * @return  boolean  always TRUE
1059  * @global  array    $tab_left the list of tables that we still couldn't connect
1060  * @global  array    $tab_know the list of allready connected tables
1061  * @global  string   $fromclause
1062  *
1063  * @access  private
1064  */
1065 function PMA_getRelatives($from)
1066 {
1067     global $tab_left, $tab_know, $fromclause;
1068
1069     if ($from == 'master') {
1070         $to    = 'foreign';
1071     } else {
1072         $to    = 'master';
1073     }
1074     $in_know = '(\'' . implode('\', \'', $tab_know) . '\')';
1075     $in_left = '(\'' . implode('\', \'', $tab_left) . '\')';
1076
1077     $rel_query = 'SELECT *'
1078                . '  FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db'])
1079                .       '.' . PMA_backquote($GLOBALS['cfgRelation']['relation'])
1080                . ' WHERE ' . $from . '_db = \'' . PMA_sqlAddslashes($GLOBALS['db']) . '\''
1081                . '   AND ' . $to   . '_db = \'' . PMA_sqlAddslashes($GLOBALS['db']) . '\''
1082                . '   AND ' . $from . '_table IN ' . $in_know
1083                . '   AND ' . $to   . '_table IN ' . $in_left;
1084     $relations = @PMA_DBI_query($rel_query, $GLOBALS['controllink']);
1085     while ($row = PMA_DBI_fetch_assoc($relations)) {
1086         $found_table                = $row[$to . '_table'];
1087         if (isset($tab_left[$found_table])) {
1088             $fromclause
1089                 .= "\n" . ' LEFT JOIN '
1090                 . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($row[$to . '_table']) . ' ON '
1091                 . PMA_backquote($row[$from . '_table']) . '.'
1092                 . PMA_backquote($row[$from . '_field']) . ' = '
1093                 . PMA_backquote($row[$to . '_table']) . '.'
1094                 . PMA_backquote($row[$to . '_field']) . ' ';
1095             $tab_know[$found_table] = $found_table;
1096             unset($tab_left[$found_table]);
1097         }
1098     } // end while
1099
1100     return true;
1101 } // end of the "PMA_getRelatives()" function
1102
1103 /**
1104  * Rename a field in relation tables
1105  *
1106  * usually called after a field in a table was renamed in tbl_alter.php
1107  *
1108  * @uses    PMA_getRelationsParam()
1109  * @uses    PMA_backquote()
1110  * @uses    PMA_sqlAddslashes()
1111  * @uses    PMA_query_as_controluser()
1112  * @param string $db
1113  * @param string $table
1114  * @param string $field
1115  * @param string $new_name
1116  */
1117 function PMA_REL_renameField($db, $table, $field, $new_name)
1118 {
1119     $cfgRelation = PMA_getRelationsParam();
1120
1121     if ($cfgRelation['displaywork']) {
1122         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
1123                       . '   SET display_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1124                       . ' WHERE db_name       = \'' . PMA_sqlAddslashes($db) . '\''
1125                       . '   AND table_name    = \'' . PMA_sqlAddslashes($table) . '\''
1126                       . '   AND display_field = \'' . PMA_sqlAddslashes($field) . '\'';
1127         PMA_query_as_controluser($table_query);
1128     }
1129
1130     if ($cfgRelation['relwork']) {
1131         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
1132                       . '   SET master_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1133                       . ' WHERE master_db    = \'' . PMA_sqlAddslashes($db) . '\''
1134                       . '   AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
1135                       . '   AND master_field = \'' . PMA_sqlAddslashes($field) . '\'';
1136         PMA_query_as_controluser($table_query);
1137
1138         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
1139                       . '   SET foreign_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1140                       . ' WHERE foreign_db    = \'' . PMA_sqlAddslashes($db) . '\''
1141                       . '   AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
1142                       . '   AND foreign_field = \'' . PMA_sqlAddslashes($field) . '\'';
1143         PMA_query_as_controluser($table_query);
1144     } // end if relwork
1145 }
1146
1147 /**
1148  * Create a PDF page
1149  *
1150  * @uses    PMA_backquote()
1151  * @uses    $GLOBALS['cfgRelation']['db']
1152  * @uses    PMA_sqlAddslashes()
1153  * @uses    PMA_query_as_controluser()
1154  * @uses    PMA_DBI_insert_id()
1155  * @uses    $GLOBALS['controllink']
1156  * @param string    $newpage
1157  * @param array     $cfgRelation
1158  * @param string    $db
1159  * @param string    $query_default_option
1160  * @return string   $pdf_page_number
1161  */
1162 function PMA_REL_create_page($newpage, $cfgRelation, $db, $query_default_option) {
1163     if (! isset($newpage) || $newpage == '') {
1164         $newpage = __('no description');
1165     }
1166     $ins_query   = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
1167                  . ' (db_name, page_descr)'
1168                  . ' VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($newpage) . '\')';
1169     PMA_query_as_controluser($ins_query, FALSE, $query_default_option);
1170     return PMA_DBI_insert_id(isset($GLOBALS['controllink']) ? $GLOBALS['controllink'] : '');
1171 }
1172 ?>