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  * @version $Id$
   7  * @package phpMyAdmin
   8  */
   9 if (! defined('PHPMYADMIN')) {
  10     exit;
  11 }
  12
  13 /**
  14  *
  15  */
  16 require_once './libraries/Table.class.php';
  17
  18 /**
  19  * Executes a query as controluser if possible, otherwise as normal user
  20  *
  21  * @param   string    the query to execute
  22  * @param   boolean   whether to display SQL error messages or not
  23  *
  24  * @return  integer   the result set, or false if no result set
  25  *
  26  * @access  public
  27  *
  28  */
  29 function PMA_query_as_controluser($sql, $show_error = true, $options = 0)
  30 {
  31     if ($show_error) {
  32         $result = PMA_DBI_query($sql, $GLOBALS['controllink'], $options);
  33     } else {
  34         $result = @PMA_DBI_try_query($sql, $GLOBALS['controllink'], $options);
  35     } // end if... else...
  36
  37     if ($result) {
  38         return $result;
  39     } else {
  40         return false;
  41     }
  42 } // end of the "PMA_query_as_controluser()" function
  43
  44 /**
  45  * @uses    $_SESSION['relation'][$GLOBALS['server']] for caching
  46  * @uses    $GLOBALS['cfgRelation'] to set it
  47  * @uses    $GLOBALS['server'] to ensure we are using server-specific pmadb
  48  * @uses    PMA__getRelationsParam()
  49  * @uses    PMA_printRelationsParamDiagnostic()
  50  * @param   bool    $verbose    whether to print diagnostic info
  51  * @return  array   $cfgRelation
  52  */
  53 function PMA_getRelationsParam($verbose = false)
  54 {
  55     if (empty($_SESSION['relation'][$GLOBALS['server']])) {
  56         $_SESSION['relation'][$GLOBALS['server']] = PMA__getRelationsParam();
  57     }
  58
  59     // just for BC but needs to be before PMA_printRelationsParamDiagnostic()
  60     // which uses it
  61     $GLOBALS['cfgRelation'] = $_SESSION['relation'][$GLOBALS['server']];
  62
  63     if ($verbose) {
  64         PMA_printRelationsParamDiagnostic($_SESSION['relation'][$GLOBALS['server']]);
  65     }
  66
  67     return $_SESSION['relation'][$GLOBALS['server']];
  68 }
  69
  70 /**
  71  * prints out diagnostic info for pma relation feature
  72  *
  73  * @uses    $GLOBALS['server']
  74  * @uses    $GLOBALS['controllink']
  75  * @uses    __('not OK')
  76  * @uses    __('Documentation')
  77  * @uses    __('General relation features')
  78  * @uses    __('Disabled')
  79  * @uses    __('Enabled')
  80  * @uses    __('Display Features')
  81  * @uses    __('Creation of PDFs')
  82  * @uses    __('Displaying Column Comments')
  83  * @uses    __('Bookmarked SQL query')
  84  * @uses    __('Please see the documentation on how to update your column_comments table')
  85  * @uses    __('SQL history')
  86  * @uses    __('Designer')
  87  * @uses    $cfg['Server']['pmadb']
  88  * @uses    sprintf()
  89  * @uses    PMA_printDiagMessageForFeature()
  90  * @uses    PMA_printDiagMessageForParameter()
  91  * @param   array   $cfgRelation
  92  */
  93 function PMA_printRelationsParamDiagnostic($cfgRelation)
  94 {
  95     $messages['error'] = '<font color="red"><strong>' . __('not OK')
  96                    . '</strong></font> [ <a href="Documentation.html#%s" target="documentation">'
  97                    . __('Documentation') . '</a> ]';
  98
  99     $messages['ok'] = '<font color="green"><strong>' . __('OK') . '</strong></font>';
 100     $messages['enabled']  = '<font color="green">' . __('Enabled') . '</font>';
 101     $messages['disabled'] = '<font color="red">'   . __('Disabled') . '</font>';
 102
 103     if (false === $GLOBALS['cfg']['Server']['pmadb']) {
 104         echo 'PMA Database ... '
 105              . sprintf($messages['error'], 'pmadb')
 106              . '<br />' . "\n"
 107              . __('General relation features')
 108              . ' <font color="green">' . __('Disabled')
 109              . '</font>' . "\n";
 110         return;
 111     }
 112
 113     echo '<table>' . "\n";
 114
 115     PMA_printDiagMessageForParameter('pmadb', $GLOBALS['cfg']['Server']['pmadb'], $messages, 'pmadb');
 116
 117     PMA_printDiagMessageForParameter('relation', isset($cfgRelation['relation']), $messages, 'relation');
 118
 119     PMA_printDiagMessageForFeature('strGeneralRelationFeat', 'relwork', $messages);
 120
 121     PMA_printDiagMessageForParameter('table_info', isset($cfgRelation['table_info']), $messages, 'table_info');
 122
 123     PMA_printDiagMessageForFeature('strDisplayFeat', 'displaywork', $messages);
 124
 125     PMA_printDiagMessageForParameter('table_coords', isset($cfgRelation['table_coords']), $messages, 'table_coords');
 126
 127     PMA_printDiagMessageForParameter('pdf_pages', isset($cfgRelation['pdf_pages']), $messages, 'table_coords');
 128
 129     PMA_printDiagMessageForFeature('strCreatePdfFeat', 'pdfwork', $messages);
 130
 131     PMA_printDiagMessageForParameter('column_info', isset($cfgRelation['column_info']), $messages, 'col_com');
 132
 133     PMA_printDiagMessageForFeature('strColComFeat', 'commwork', $messages, false);
 134
 135     PMA_printDiagMessageForFeature('strMIME_transformation', 'mimework', $messages);
 136
 137     if ($cfgRelation['commwork'] && ! $cfgRelation['mimework']) {
 138         echo '<tr><td colspan=2 align="left">' . __('Please see the documentation on how to update your column_comments table') . '</td></tr>' . "\n";
 139     }
 140
 141     PMA_printDiagMessageForParameter('bookmarktable', isset($cfgRelation['bookmark']), $messages, 'bookmark');
 142
 143     PMA_printDiagMessageForFeature('strBookmarkQuery', 'bookmarkwork', $messages);
 144
 145     PMA_printDiagMessageForParameter('history', isset($cfgRelation['history']), $messages, 'history');
 146
 147     PMA_printDiagMessageForFeature('strQuerySQLHistory', 'historywork', $messages);
 148
 149     PMA_printDiagMessageForParameter('designer_coords', isset($cfgRelation['designer_coords']), $messages, 'designer_coords');
 150
 151     PMA_printDiagMessageForFeature('strDesigner', 'designerwork', $messages);
 152
 153     PMA_printDiagMessageForParameter('tracking', isset($cfgRelation['tracking']), $messages, 'tracking');
 154
 155     PMA_printDiagMessageForFeature('strTracking', 'trackingwork', $messages);
 156
 157     echo '</table>' . "\n";
 158
 159     echo '<p>' . __('Quick steps to setup advanced features:') . '</p>';
 160     echo '<ul>';
 161     echo '<li>' . __('Create the needed tables with the <code>script/create_tables.sql</code>.') . ' ' . PMA_showDocu('linked-tables') . '</li>';
 162     echo '<li>' . __('Create a pma user and give access to these tables.') . ' ' . PMA_showDocu('pmausr') . '</li>';
 163     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>';
 164     echo '<li>' . __('Re-login to phpMyAdmin to load the updated configuration file.') . '</li>';
 165     echo '</ul>';
 166 }
 167
 168 /**
 169  * prints out one diagnostic message for a feature
 170  *
 171  * @param   string  feature name in a message string
 172  * @param   string  the $GLOBALS['cfgRelation'] parameter to check
 173  * @param   array   utility messages
 174  * @param   boolean whether to skip a line after the message
 175  */
 176 function PMA_printDiagMessageForFeature($feature_name, $relation_parameter, $messages, $skip_line=true)
 177 {
 178     echo '    <tr><td colspan=2 align="right">' . $GLOBALS[$feature_name] . ': '
 179          . ($GLOBALS['cfgRelation'][$relation_parameter] ? $messages['enabled'] : $messages['disabled'])
 180          . '</td></tr>' . "\n";
 181     if ($skip_line) {
 182         echo '    <tr><td>&nbsp;</td></tr>' . "\n";
 183     }
 184 }
 185
 186 /**
 187  * prints out one diagnostic message for a configuration parameter
 188  *
 189  * @param   string  config parameter name to display
 190  * @param   boolean whether this parameter is set
 191  * @param   array   utility messages
 192  * @param   string  anchor in Documentation.html
 193  */
 194 function PMA_printDiagMessageForParameter($parameter, $relation_parameter_set, $messages, $doc_anchor)
 195 {
 196     echo '    <tr><th align="left">';
 197     echo '$cfg[\'Servers\'][$i][\'' . $parameter . '\']  ... </th><td align="right">';
 198     echo ($relation_parameter_set ? $messages['ok'] : sprintf($messages['error'], $doc_anchor)) . '</td></tr>' . "\n";
 199 }
 200
 201
 202 /**
 203  * Defines the relation parameters for the current user
 204  * just a copy of the functions used for relations ;-)
 205  * but added some stuff to check what will work
 206  *
 207  * @uses    $cfg['Server']['user']
 208  * @uses    $cfg['Server']['pmadb']
 209  * @uses    $cfg['Server']['verbose_check']
 210  * @uses    $GLOBALS['server']
 211  * @uses    $GLOBALS['controllink']
 212  * @uses    PMA_DBI_QUERY_STORE
 213  * @uses    PMA_DBI_select_db()
 214  * @uses    PMA_backquote()
 215  * @uses    PMA_query_as_controluser()
 216  * @uses    PMA_DBI_fetch_row()
 217  * @uses    PMA_DBI_free_result()
 218  * @access  protected
 219  * @return  array    the relation parameters for the current user
 220  */
 221 function PMA__getRelationsParam()
 222 {
 223     $cfgRelation                = array();
 224     $cfgRelation['relwork']     = false;
 225     $cfgRelation['displaywork'] = false;
 226     $cfgRelation['bookmarkwork']= false;
 227     $cfgRelation['pdfwork']     = false;
 228     $cfgRelation['commwork']    = false;
 229     $cfgRelation['mimework']    = false;
 230     $cfgRelation['historywork'] = false;
 231     $cfgRelation['trackingwork'] = false;
 232     $cfgRelation['designerwork'] = false;
 233     $cfgRelation['allworks']    = false;
 234     $cfgRelation['user']        = null;
 235     $cfgRelation['db']          = null;
 236
 237     if ($GLOBALS['server'] == 0 || empty($GLOBALS['cfg']['Server']['pmadb'])
 238      || ! PMA_DBI_select_db($GLOBALS['cfg']['Server']['pmadb'], $GLOBALS['controllink'])) {
 239         // No server selected -> no bookmark table
 240         // we return the array with the falses in it,
 241         // to avoid some 'Unitialized string offset' errors later
 242         $GLOBALS['cfg']['Server']['pmadb'] = false;
 243         return $cfgRelation;
 244     }
 245
 246
 247     $cfgRelation['user']  = $GLOBALS['cfg']['Server']['user'];
 248     $cfgRelation['db']    = $GLOBALS['cfg']['Server']['pmadb'];
 249
 250     //  Now I just check if all tables that i need are present so I can for
 251     //  example enable relations but not pdf...
 252     //  I was thinking of checking if they have all required columns but I
 253     //  fear it might be too slow
 254
 255     $tab_query = 'SHOW TABLES FROM ' . PMA_backquote($GLOBALS['cfg']['Server']['pmadb']);
 256     $tab_rs    = PMA_query_as_controluser($tab_query, false, PMA_DBI_QUERY_STORE);
 257
 258     if (! $tab_rs) {
 259         // query failed ... ?
 260         //$GLOBALS['cfg']['Server']['pmadb'] = false;
 261         return $cfgRelation;
 262     }
 263
 264     while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
 265         if ($curr_table[0] == $GLOBALS['cfg']['Server']['bookmarktable']) {
 266             $cfgRelation['bookmark']        = $curr_table[0];
 267         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['relation']) {
 268             $cfgRelation['relation']        = $curr_table[0];
 269         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_info']) {
 270             $cfgRelation['table_info']      = $curr_table[0];
 271         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_coords']) {
 272             $cfgRelation['table_coords']    = $curr_table[0];
 273         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['designer_coords']) {
 274             $cfgRelation['designer_coords']    = $curr_table[0];
 275         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['column_info']) {
 276             $cfgRelation['column_info'] = $curr_table[0];
 277         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['pdf_pages']) {
 278             $cfgRelation['pdf_pages']       = $curr_table[0];
 279         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['history']) {
 280             $cfgRelation['history'] = $curr_table[0];
 281         } elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['tracking']) {
 282             $cfgRelation['tracking'] = $curr_table[0];
 283         }
 284     } // end while
 285     PMA_DBI_free_result($tab_rs);
 286
 287     if (isset($cfgRelation['relation'])) {
 288         $cfgRelation['relwork']         = true;
 289         if (isset($cfgRelation['table_info'])) {
 290                 $cfgRelation['displaywork'] = true;
 291         }
 292     }
 293     if (isset($cfgRelation['table_coords']) && isset($cfgRelation['pdf_pages'])) {
 294         $cfgRelation['pdfwork']     = true;
 295     }
 296     if (isset($cfgRelation['column_info'])) {
 297         $cfgRelation['commwork']    = true;
 298
 299         if ($GLOBALS['cfg']['Server']['verbose_check']) {
 300             $mime_query  = 'SHOW FIELDS FROM '
 301                 . PMA_backquote($cfgRelation['db']) . '.'
 302                 . PMA_backquote($cfgRelation['column_info']);
 303             $mime_rs     = PMA_query_as_controluser($mime_query, false);
 304
 305             $mime_field_mimetype                = false;
 306             $mime_field_transformation          = false;
 307             $mime_field_transformation_options  = false;
 308             while ($curr_mime_field = @PMA_DBI_fetch_row($mime_rs)) {
 309                 if ($curr_mime_field[0] == 'mimetype') {
 310                     $mime_field_mimetype               = true;
 311                 } elseif ($curr_mime_field[0] == 'transformation') {
 312                     $mime_field_transformation         = true;
 313                 } elseif ($curr_mime_field[0] == 'transformation_options') {
 314                     $mime_field_transformation_options = true;
 315                 }
 316             }
 317             PMA_DBI_free_result($mime_rs);
 318
 319             if ($mime_field_mimetype
 320              && $mime_field_transformation
 321              && $mime_field_transformation_options) {
 322                 $cfgRelation['mimework'] = true;
 323             }
 324         } else {
 325             $cfgRelation['mimework'] = true;
 326         }
 327     }
 328
 329     if (isset($cfgRelation['history'])) {
 330         $cfgRelation['historywork']     = true;
 331     }
 332
 333     if (isset($cfgRelation['tracking'])) {
 334         $cfgRelation['trackingwork']     = true;
 335     }
 336
 337     // we do not absolutely need that the internal relations or the PDF
 338     // schema feature be activated
 339     if (isset($cfgRelation['designer_coords'])) {
 340         $cfgRelation['designerwork']     = true;
 341     }
 342
 343     if (isset($cfgRelation['bookmark'])) {
 344         $cfgRelation['bookmarkwork']     = true;
 345     }
 346
 347     if ($cfgRelation['relwork'] && $cfgRelation['displaywork']
 348      && $cfgRelation['pdfwork'] && $cfgRelation['commwork']
 349      && $cfgRelation['mimework'] && $cfgRelation['historywork']
 350      && $cfgRelation['trackingwork']
 351      && $cfgRelation['bookmarkwork'] && $cfgRelation['designerwork']) {
 352         $cfgRelation['allworks'] = true;
 353     }
 354
 355     return $cfgRelation;
 356 } // end of the 'PMA_getRelationsParam()' function
 357
 358 /**
 359  * Gets all Relations to foreign tables for a given table or
 360  * optionally a given column in a table
 361  *
 362  * @access  public
 363  * @uses    $GLOBALS['controllink']
 364  * @uses    $GLOBALS['information_schema_relations']
 365  * @uses    PMA_getRelationsParam()
 366  * @uses    PMA_backquote()
 367  * @uses    PMA_sqlAddslashes()
 368  * @uses    PMA_DBI_fetch_result()
 369  * @uses    PMA_DBI_fetch_value()
 370  * @uses    PMA_SQP_analyze()
 371  * @uses    PMA_SQP_parse()
 372  * @uses    count()
 373  * @uses    strlen()
 374  * @param   string   $db        the name of the db to check for
 375  * @param   string   $table     the name of the table to check for
 376  * @param   string   $column    the name of the column to check for
 377  * @param   string   $source    the source for foreign key information
 378  * @return  array    db,table,column
 379  */
 380 function PMA_getForeigners($db, $table, $column = '', $source = 'both')
 381 {
 382     $cfgRelation = PMA_getRelationsParam();
 383     $foreign = array();
 384
 385     if ($cfgRelation['relwork'] && ($source == 'both' || $source == 'internal')) {
 386         $rel_query = '
 387              SELECT `master_field`,
 388                     `foreign_db`,
 389                     `foreign_table`,
 390                     `foreign_field`
 391                FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation']) . '
 392               WHERE `master_db`    = \'' . PMA_sqlAddslashes($db) . '\'
 393                 AND `master_table` = \'' . PMA_sqlAddslashes($table) . '\' ';
 394         if (strlen($column)) {
 395             $rel_query .= ' AND `master_field` = \'' . PMA_sqlAddslashes($column) . '\'';
 396         }
 397         $foreign = PMA_DBI_fetch_result($rel_query, 'master_field', null, $GLOBALS['controllink']);
 398     }
 399
 400     if (($source == 'both' || $source == 'foreign') && strlen($table)) {
 401         $show_create_table_query = 'SHOW CREATE TABLE '
 402             . PMA_backquote($db) . '.' . PMA_backquote($table);
 403         $show_create_table = PMA_DBI_fetch_value($show_create_table_query, 0, 1);
 404         $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
 405
 406         foreach ($analyzed_sql[0]['foreign_keys'] as $one_key) {
 407             // The analyzer may return more than one column name in the
 408             // index list or the ref_index_list; if this happens,
 409             // the current logic just discards the whole index; having
 410             // more than one index field is currently unsupported (see FAQ 3.6)
 411             if (count($one_key['index_list']) == 1) {
 412                 foreach ($one_key['index_list'] as $i => $field) {
 413                     // If a foreign key is defined in the 'internal' source (pmadb)
 414                     // and as a native foreign key, we won't get it twice
 415                     // if $source='both' because we use $field as key
 416
 417                     // The parser looks for a CONSTRAINT clause just before
 418                     // the FOREIGN KEY clause. It finds it (as output from
 419                     // SHOW CREATE TABLE) in MySQL 4.0.13, but not in older
 420                     // versions like 3.23.58.
 421                     // In those cases, the FOREIGN KEY parsing will put numbers
 422                     // like -1, 0, 1... instead of the constraint number.
 423
 424                     if (isset($one_key['constraint'])) {
 425                         $foreign[$field]['constraint'] = $one_key['constraint'];
 426                     }
 427
 428                     if (isset($one_key['ref_db_name'])) {
 429                         $foreign[$field]['foreign_db'] = $one_key['ref_db_name'];
 430                     } else {
 431                         $foreign[$field]['foreign_db'] = $db;
 432                     }
 433                     $foreign[$field]['foreign_table'] = $one_key['ref_table_name'];
 434                     $foreign[$field]['foreign_field'] = $one_key['ref_index_list'][$i];
 435                     if (isset($one_key['on_delete'])) {
 436                         $foreign[$field]['on_delete'] = $one_key['on_delete'];
 437                     }
 438                     if (isset($one_key['on_update'])) {
 439                         $foreign[$field]['on_update'] = $one_key['on_update'];
 440                     }
 441                 }
 442             }
 443         }
 444     }
 445
 446     /**
 447      * Emulating relations for some information_schema tables
 448      */
 449     if ($db == 'information_schema'
 450      && ($source == 'internal' || $source == 'both')) {
 451         require_once './libraries/information_schema_relations.lib.php';
 452
 453         if (isset($GLOBALS['information_schema_relations'][$table])) {
 454             foreach ($GLOBALS['information_schema_relations'][$table] as $field => $relations) {
 455                 if ((! strlen($column) || $column == $field)
 456                  && (! isset($foreign[$field]) || ! strlen($foreign[$field]))) {
 457                     $foreign[$field] = $relations;
 458                 }
 459             }
 460         }
 461     }
 462
 463     return $foreign;
 464 } // end of the 'PMA_getForeigners()' function
 465
 466 /**
 467  * Gets the display field of a table
 468  *
 469  * @access  public
 470  * @uses    $GLOBALS['controllink']
 471  * @uses    PMA_getRelationsParam()
 472  * @uses    PMA_backquote()
 473  * @uses    PMA_sqlAddslashes()
 474  * @uses    PMA_DBI_fetch_single_row()
 475  * @uses    trim()
 476  * @param   string   $db    the name of the db to check for
 477  * @param   string   $table the name of the table to check for
 478  * @return  string   field name
 479  */
 480 function PMA_getDisplayField($db, $table)
 481 {
 482     $cfgRelation = PMA_getRelationsParam();
 483
 484     /**
 485      * Try to fetch the display field from DB.
 486      */
 487     if ($cfgRelation['displaywork']) {
 488         $disp_query = '
 489              SELECT `display_field`
 490                FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . '
 491               WHERE `db_name`    = \'' . PMA_sqlAddslashes($db) . '\'
 492                 AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'';
 493
 494         $row = PMA_DBI_fetch_single_row($disp_query, 'ASSOC', $GLOBALS['controllink']);
 495         if (isset($row['display_field'])) {
 496             return $row['display_field'];
 497         }
 498     }
 499
 500     /**
 501      * Emulating the display field for some information_schema tables.
 502      */
 503     if ($db == 'information_schema') {
 504         switch ($table) {
 505             case 'CHARACTER_SETS': return 'DESCRIPTION';
 506             case 'TABLES':         return 'TABLE_COMMENT';
 507         }
 508     }
 509
 510     /**
 511      * No Luck...
 512      */
 513     return false;
 514
 515 } // end of the 'PMA_getDisplayField()' function
 516
 517 /**
 518  * Gets the comments for all rows of a table or the db itself
 519  *
 520  * @access  public
 521  * @uses    PMA_DBI_get_fields()
 522  * @uses    PMA_getDbComment()
 523  * @param   string   the name of the db to check for
 524  * @param   string   the name of the table to check for
 525  * @return  array    [field_name] = comment
 526  */
 527 function PMA_getComments($db, $table = '')
 528 {
 529     $comments = array();
 530
 531     if ($table != '') {
 532         // MySQL native column comments
 533         $fields = PMA_DBI_get_fields($db, $table);
 534         if ($fields) {
 535             foreach ($fields as $key => $field) {
 536                 if (! empty($field['Comment'])) {
 537                     $comments[$field['Field']] = $field['Comment'];
 538                 }
 539             }
 540         }
 541     } else {
 542         $comments[] = PMA_getDbComment($db);
 543     }
 544
 545     return $comments;
 546 } // end of the 'PMA_getComments()' function
 547
 548 /**
 549  * Gets the comment for a db
 550  *
 551  * @access  public
 552  * @uses    PMA_DBI_QUERY_STORE
 553  * @uses    PMA_DBI_num_rows()
 554  * @uses    PMA_DBI_fetch_assoc()
 555  * @uses    PMA_DBI_free_result()
 556  * @uses    PMA_getRelationsParam()
 557  * @uses    PMA_backquote()
 558  * @uses    PMA_sqlAddslashes()
 559  * @uses    PMA_query_as_controluser()
 560  * @uses    strlen()
 561  * @param   string   the name of the db to check for
 562  * @return  string   comment
 563  */
 564 function PMA_getDbComment($db)
 565 {
 566     $cfgRelation = PMA_getRelationsParam();
 567     $comment = '';
 568
 569     if ($cfgRelation['commwork']) {
 570         // pmadb internal db comment
 571         $com_qry = "
 572              SELECT `comment`
 573                FROM " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 574               WHERE db_name     = '" . PMA_sqlAddslashes($db) . "'
 575                 AND table_name  = ''
 576                 AND column_name = '(db_comment)'";
 577         $com_rs = PMA_query_as_controluser($com_qry, true, PMA_DBI_QUERY_STORE);
 578
 579         if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
 580             $row = PMA_DBI_fetch_assoc($com_rs);
 581             $comment = $row['comment'];
 582         }
 583         PMA_DBI_free_result($com_rs);
 584     }
 585
 586     return $comment;
 587 } // end of the 'PMA_getDbComment()' function
 588
 589 /**
 590  * Gets the comment for a db
 591  *
 592  * @access  public
 593  * @uses    PMA_DBI_QUERY_STORE
 594  * @uses    PMA_DBI_num_rows()
 595  * @uses    PMA_DBI_fetch_assoc()
 596  * @uses    PMA_DBI_free_result()
 597  * @uses    PMA_getRelationsParam()
 598  * @uses    PMA_backquote()
 599  * @uses    PMA_sqlAddslashes()
 600  * @uses    PMA_query_as_controluser()
 601  * @uses    strlen()
 602  * @param   string   the name of the db to check for
 603  * @return  string   comment
 604  */
 605 function PMA_getDbComments()
 606 {
 607     $cfgRelation = PMA_getRelationsParam();
 608     $comments = array();
 609
 610     if ($cfgRelation['commwork']) {
 611         // pmadb internal db comment
 612         $com_qry = "
 613              SELECT `db_name`, `comment`
 614                FROM " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 615               WHERE `column_name` = '(db_comment)'";
 616         $com_rs = PMA_query_as_controluser($com_qry, true, PMA_DBI_QUERY_STORE);
 617
 618         if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
 619             while ($row = PMA_DBI_fetch_assoc($com_rs)) {
 620                 $comments[$row['db_name']] = $row['comment'];
 621             }
 622         }
 623         PMA_DBI_free_result($com_rs);
 624     }
 625
 626     return $comments;
 627 } // end of the 'PMA_getDbComments()' function
 628
 629 /**
 630  * Set a database comment to a certain value.
 631  *
 632  * @uses    PMA_getRelationsParam()
 633  * @uses    PMA_backquote()
 634  * @uses    PMA_sqlAddslashes()
 635  * @uses    PMA_query_as_controluser()
 636  * @uses    strlen()
 637  * @access  public
 638  * @param   string   $db        the name of the db
 639  * @param   string   $comment   the value of the column
 640  * @return  boolean  true, if comment-query was made.
 641  */
 642 function PMA_setDbComment($db, $comment = '')
 643 {
 644     $cfgRelation = PMA_getRelationsParam();
 645
 646     if (! $cfgRelation['commwork']) {
 647         return false;
 648     }
 649
 650     if (strlen($comment)) {
 651         $upd_query = "
 652              INSERT INTO
 653                     " . PMA_backquote($cfgRelation['db']) . "." . PMA_backquote($cfgRelation['column_info']) . "
 654                     (`db_name`, `table_name`, `column_name`, `comment`)
 655              VALUES (
 656                    '" . PMA_sqlAddslashes($db) . "',
 657                    '',
 658                    '(db_comment)',
 659                    '" . PMA_sqlAddslashes($comment) . "')
 660              ON DUPLICATE KEY UPDATE
 661                 `comment` = '" . PMA_sqlAddslashes($comment) . "'";
 662     } else {
 663         $upd_query = '
 664              DELETE FROM
 665                     ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
 666               WHERE `db_name`     = \'' . PMA_sqlAddslashes($db) . '\'
 667                 AND `table_name`  = \'\'
 668                 AND `column_name` = \'(db_comment)\'';
 669     }
 670
 671     if (isset($upd_query)){
 672         return PMA_query_as_controluser($upd_query);
 673     }
 674
 675     return false;
 676 } // end of 'PMA_setDbComment()' function
 677
 678 /**
 679  * Set a SQL history entry
 680  *
 681  * @uses    $_SESSION['sql_history']
 682  * @uses    $cfg['QueryHistoryDB']
 683  * @uses    $cfg['QueryHistoryMax']
 684  * @uses    PMA_getRelationsParam()
 685  * @uses    PMA_query_as_controluser()
 686  * @uses    PMA_backquote()
 687  * @uses    PMA_sqlAddslashes()
 688  * @uses    count()
 689  * @uses    md5()
 690  * @uses    array_shift()
 691  * @param   string   $db        the name of the db
 692  * @param   string   $table     the name of the table
 693  * @param   string   $username  the username
 694  * @param   string   $sqlquery  the sql query
 695  * @access  public
 696  */
 697 function PMA_setHistory($db, $table, $username, $sqlquery)
 698 {
 699     if (strlen($sqlquery) > $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
 700         return;
 701     }
 702
 703     $cfgRelation = PMA_getRelationsParam();
 704
 705     if (! isset($_SESSION['sql_history'])) {
 706         $_SESSION['sql_history'] = array();
 707     }
 708
 709     $key = md5($sqlquery . $db . $table);
 710
 711     if (isset($_SESSION['sql_history'][$key])) {
 712         unset($_SESSION['sql_history'][$key]);
 713     }
 714
 715     $_SESSION['sql_history'][$key] = array(
 716         'db' => $db,
 717         'table' => $table,
 718         'sqlquery' => $sqlquery,
 719     );
 720
 721     if (count($_SESSION['sql_history']) > $GLOBALS['cfg']['QueryHistoryMax']) {
 722         // history should not exceed a maximum count
 723         array_shift($_SESSION['sql_history']);
 724     }
 725
 726     if (! $cfgRelation['historywork'] || ! $GLOBALS['cfg']['QueryHistoryDB']) {
 727         return;
 728     }
 729
 730     PMA_query_as_controluser('
 731          INSERT INTO
 732                 ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 733               (`username`,
 734                 `db`,
 735                 `table`,
 736                 `timevalue`,
 737                 `sqlquery`)
 738          VALUES
 739               (\'' . PMA_sqlAddslashes($username) . '\',
 740                \'' . PMA_sqlAddslashes($db) . '\',
 741                \'' . PMA_sqlAddslashes($table) . '\',
 742                NOW(),
 743                \'' . PMA_sqlAddslashes($sqlquery) . '\')');
 744 } // end of 'PMA_setHistory()' function
 745
 746 /**
 747  * Gets a SQL history entry
 748  *
 749  * @uses    $_SESSION['sql_history']
 750  * @uses    $GLOBALS['controllink']
 751  * @uses    PMA_getRelationsParam()
 752  * @uses    PMA_backquote()
 753  * @uses    PMA_sqlAddslashes()
 754  * @uses    PMA_DBI_fetch_result()
 755  * @uses    array_reverse()
 756  * @param   string   $username  the username
 757  * @return  array    list of history items
 758  * @access  public
 759  */
 760 function PMA_getHistory($username)
 761 {
 762     $cfgRelation = PMA_getRelationsParam();
 763
 764     if (isset($_SESSION['sql_history'])) {
 765         return array_reverse($_SESSION['sql_history']);
 766     }
 767
 768     if (! $cfgRelation['historywork']) {
 769         return false;
 770     }
 771
 772     $hist_query = '
 773          SELECT `db`,
 774                 `table`,
 775                 `sqlquery`
 776            FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 777           WHERE `username` = \'' . PMA_sqlAddslashes($username) . '\'
 778        ORDER BY `id` DESC';
 779
 780     return PMA_DBI_fetch_result($hist_query, null, null, $GLOBALS['controllink']);
 781 } // end of 'PMA_getHistory()' function
 782
 783 /**
 784  * purges SQL history
 785  *
 786  * deletes entries that exceeds $cfg['QueryHistoryMax'], oldest first, for the
 787  * given user
 788  *
 789  * @uses    $cfg['QueryHistoryMax']
 790  * @uses    $cfg['QueryHistoryDB']
 791  * @uses    $GLOBALS['controllink']
 792  * @uses    PMA_backquote()
 793  * @uses    PMA_sqlAddSlashes()
 794  * @uses    PMA_query_as_controluser()
 795  * @uses    PMA_DBI_fetch_value()
 796  * @param   string   $username  the username
 797  * @access  public
 798  */
 799 function PMA_purgeHistory($username)
 800 {
 801     $cfgRelation = PMA_getRelationsParam();
 802     if (! $GLOBALS['cfg']['QueryHistoryDB'] || ! $cfgRelation['historywork']) {
 803         return;
 804     }
 805
 806     if (! $cfgRelation['historywork']) {
 807         return;
 808     }
 809
 810     $search_query = '
 811          SELECT `timevalue`
 812            FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 813           WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
 814        ORDER BY `timevalue` DESC
 815           LIMIT ' . $GLOBALS['cfg']['QueryHistoryMax'] . ', 1';
 816
 817     if ($max_time = PMA_DBI_fetch_value($search_query, 0, 0, $GLOBALS['controllink'])) {
 818         PMA_query_as_controluser('
 819              DELETE FROM
 820                     ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
 821               WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
 822                 AND `timevalue` <= \'' . $max_time . '\'');
 823     }
 824 } // end of 'PMA_purgeHistory()' function
 825
 826 /**
 827  * Prepares the dropdown for one mode
 828  *
 829  * @uses    $cfg['LimitChars']
 830  * @uses    $cfg['NaturalOrder']
 831  * @uses    PMA_strlen()
 832  * @uses    htmlspecialchars()
 833  * @uses    substr()
 834  * @uses    uksort()
 835  * @uses    ksort()
 836  * @uses    natcasesort()
 837  * @uses    asort()
 838  * @param   array    $foreign   the keys and values for foreigns
 839  * @param   string   $data      the current data of the dropdown
 840  * @param   string   $mode      the needed mode
 841  *
 842  * @return  array   the <option value=""><option>s
 843  *
 844  * @access  protected
 845  */
 846 function PMA__foreignDropdownBuild($foreign, $data, $mode)
 847 {
 848     $reloptions = array();
 849
 850     if ($mode == 'id-content') {
 851         // sort for id-content
 852         if ($GLOBALS['cfg']['NaturalOrder']) {
 853             uksort($foreign, 'strnatcasecmp');
 854         } else {
 855             ksort($foreign);
 856         }
 857     } elseif ($mode == 'content-id') {
 858         // sort for content-id
 859         if ($GLOBALS['cfg']['NaturalOrder']) {
 860             natcasesort($foreign);
 861         } else {
 862             asort($foreign);
 863         }
 864     }
 865
 866     foreach ($foreign as $key => $value) {
 867
 868         if (PMA_strlen($value) <= $GLOBALS['cfg']['LimitChars']) {
 869             $vtitle = '';
 870             $value  = htmlspecialchars($value);
 871         } else {
 872             $vtitle  = htmlspecialchars($value);
 873             $value  = htmlspecialchars(substr($value, 0, $GLOBALS['cfg']['LimitChars']) . '...');
 874         }
 875
 876         $reloption = '                <option value="' . htmlspecialchars($key) . '"';
 877         if ($vtitle != '') {
 878             $reloption .= ' title="' . $vtitle . '"';
 879         }
 880
 881         if ((string) $key == (string) $data) {
 882            $reloption .= ' selected="selected"';
 883         }
 884
 885         if ($mode == 'content-id') {
 886             $reloptions[] = $reloption . '>' . $value . '&nbsp;-&nbsp;' . htmlspecialchars($key) .  '</option>' . "\n";
 887         } else {
 888             $reloptions[] = $reloption . '>' . htmlspecialchars($key) .  '&nbsp;-&nbsp;' . $value . '</option>' . "\n";
 889         }
 890     } // end foreach
 891
 892     return $reloptions;
 893 } // end of 'PMA__foreignDropdownBuild' function
 894
 895 /**
 896  * Outputs dropdown with values of foreign fields
 897  *
 898  * @uses    $cfg['ForeignKeyMaxLimit']
 899  * @uses    $cfg['ForeignKeyDropdownOrder']
 900  * @uses    PMA__foreignDropdownBuild()
 901  * @uses    PMA_isValid()
 902  * @uses    implode()
 903  * @param   array    array of the displayed row
 904  * @param   string   the foreign field
 905  * @param   string   the foreign field to display
 906  * @param   string   the current data of the dropdown (field in row)
 907  * @return  string   the <option value=""><option>s
 908  * @access  public
 909  */
 910 function PMA_foreignDropdown($disp_row, $foreign_field, $foreign_display, $data,
 911     $max = null)
 912 {
 913     if (null === $max) {
 914         $max = $GLOBALS['cfg']['ForeignKeyMaxLimit'];
 915     }
 916
 917     $foreign = array();
 918
 919     // collect the data
 920     foreach ($disp_row as $relrow) {
 921         $key   = $relrow[$foreign_field];
 922
 923         // if the display field has been defined for this foreign table
 924         if ($foreign_display) {
 925             $value  = $relrow[$foreign_display];
 926         } else {
 927             $value = '';
 928         } // end if ($foreign_display)
 929
 930         $foreign[$key] = $value;
 931     } // end foreach
 932
 933     // put the dropdown sections in correct order
 934     $top = array();
 935     $bot = array();
 936     if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'], 'array')) {
 937         if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][0])) {
 938             $top = PMA__foreignDropdownBuild($foreign, $data,
 939                 $GLOBALS['cfg']['ForeignKeyDropdownOrder'][0]);
 940         }
 941         if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][1])) {
 942             $bot = PMA__foreignDropdownBuild($foreign, $data,
 943                 $GLOBALS['cfg']['ForeignKeyDropdownOrder'][1]);
 944         }
 945     } else {
 946         $top = PMA__foreignDropdownBuild($foreign, $data, 'id-content');
 947         $bot = PMA__foreignDropdownBuild($foreign, $data, 'content-id');
 948     }
 949
 950     // beginning of dropdown
 951     $ret = '<option value="">&nbsp;</option>' . "\n";
 952
 953     $top_count = count($top);
 954     if ($max == -1 || $top_count < $max) {
 955         $ret .= implode('', $top);
 956         if ($top_count > 0) {
 957             $ret .= '                <option value="">&nbsp;</option>' . "\n";
 958             $ret .= '                <option value="">&nbsp;</option>' . "\n";
 959         }
 960     }
 961     $ret .= implode('', $bot);
 962
 963     return $ret;
 964 } // end of 'PMA_foreignDropdown()' function
 965
 966 /**
 967  * Gets foreign keys in preparation for a drop-down selector
 968  * Thanks to <markus@noga.de>
 969  *
 970  * @uses    PMA_Table::countRecords()
 971  * @uses    PMA_backquote()
 972  * @uses    PMA_getDisplayField()
 973  * @uses    PMA_sqlAddslashes()
 974  * @uses    PMA_DBI_fetch_value()
 975  * @uses    PMA_DBI_free_result()
 976  * @uses    PMA_DBI_query()
 977  * @uses    PMA_DBI_num_rows()
 978  * @uses    PMA_DBI_fetch_assoc()
 979  * @param   array    array of the foreign keys
 980  * @param   string   the foreign field name
 981  * @param   bool     whether to override the total
 982  * @param   string   a possible filter
 983  * @param   string   a possible LIMIT clause
 984  * @return  array    data about the foreign keys
 985  * @access  public
 986  */
 987
 988 function PMA_getForeignData($foreigners, $field, $override_total, $foreign_filter, $foreign_limit)
 989 {
 990     // we always show the foreign field in the drop-down; if a display
 991     // field is defined, we show it besides the foreign field
 992     $foreign_link = false;
 993     if ($foreigners && isset($foreigners[$field])) {
 994         $foreigner       = $foreigners[$field];
 995         $foreign_db      = $foreigner['foreign_db'];
 996         $foreign_table   = $foreigner['foreign_table'];
 997         $foreign_field   = $foreigner['foreign_field'];
 998
 999         // Count number of rows in the foreign table. Currently we do
1000         // not use a drop-down if more than 200 rows in the foreign table,
1001         // for speed reasons and because we need a better interface for this.
1002         //
1003         // We could also do the SELECT anyway, with a LIMIT, and ensure that
1004         // the current value of the field is one of the choices.
1005
1006         $the_total   = PMA_Table::countRecords($foreign_db, $foreign_table);
1007
1008         if ($override_total == true || $the_total < $GLOBALS['cfg']['ForeignKeyMaxLimit']) {
1009             // foreign_display can be FALSE if no display field defined:
1010             $foreign_display = PMA_getDisplayField($foreign_db, $foreign_table);
1011
1012             $f_query_main = 'SELECT ' . PMA_backquote($foreign_field)
1013                         . (($foreign_display == FALSE) ? '' : ', ' . PMA_backquote($foreign_display));
1014             $f_query_from = ' FROM ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table);
1015             $f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_backquote($foreign_field)
1016                             . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"'
1017                             . (($foreign_display == FALSE) ? '' : ' OR ' . PMA_backquote($foreign_display)
1018                                 . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"'
1019                                 );
1020             $f_query_order = ($foreign_display == FALSE) ? '' :' ORDER BY ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($foreign_display);
1021             $f_query_limit = isset($foreign_limit) ? $foreign_limit : '';
1022
1023             if (!empty($foreign_filter)) {
1024                 $res = PMA_DBI_query('SELECT COUNT(*)' . $f_query_from . $f_query_filter);
1025                 if ($res) {
1026                     $the_total = PMA_DBI_fetch_value($res);
1027                     @PMA_DBI_free_result($res);
1028                 } else {
1029                     $the_total = 0;
1030                 }
1031             }
1032
1033             $disp  = PMA_DBI_query($f_query_main . $f_query_from . $f_query_filter . $f_query_order . $f_query_limit);
1034             if ($disp && PMA_DBI_num_rows($disp) > 0) {
1035                 // If a resultset has been created, pre-cache it in the $disp_row array
1036                 // This helps us from not needing to use mysql_data_seek by accessing a pre-cached
1037                 // PHP array. Usually those resultsets are not that big, so a performance hit should
1038                 // not be expected.
1039                 $disp_row = array();
1040                 while ($single_disp_row = @PMA_DBI_fetch_assoc($disp)) {
1041                     $disp_row[] = $single_disp_row;
1042                 }
1043                 @PMA_DBI_free_result($disp);
1044             }
1045         } else {
1046             $disp_row = null;
1047             $foreign_link = true;
1048         }
1049     }  // end if $foreigners
1050
1051     $foreignData['foreign_link'] = $foreign_link;
1052     $foreignData['the_total'] = isset($the_total) ? $the_total : null;
1053     $foreignData['foreign_display'] = isset($foreign_display) ? $foreign_display : null;
1054     $foreignData['disp_row'] = isset($disp_row) ? $disp_row : null;
1055     $foreignData['foreign_field'] = isset($foreign_field) ? $foreign_field : null;
1056     return $foreignData;
1057 } // end of 'PMA_getForeignData()' function
1058
1059 /**
1060  * Finds all related tables
1061  *
1062  * @uses    $GLOBALS['controllink']
1063  * @uses    $GLOBALS['cfgRelation']
1064  * @uses    $GLOBALS['db']
1065  * @param   string   whether to go from master to foreign or vice versa
1066  * @return  boolean  always TRUE
1067  * @global  array    $tab_left the list of tables that we still couldn't connect
1068  * @global  array    $tab_know the list of allready connected tables
1069  * @global  string   $fromclause
1070  *
1071  * @access  private
1072  */
1073 function PMA_getRelatives($from)
1074 {
1075     global $tab_left, $tab_know, $fromclause;
1076
1077     if ($from == 'master') {
1078         $to    = 'foreign';
1079     } else {
1080         $to    = 'master';
1081     }
1082     $in_know = '(\'' . implode('\', \'', $tab_know) . '\')';
1083     $in_left = '(\'' . implode('\', \'', $tab_left) . '\')';
1084
1085     $rel_query = 'SELECT *'
1086                . '  FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db'])
1087                .       '.' . PMA_backquote($GLOBALS['cfgRelation']['relation'])
1088                . ' WHERE ' . $from . '_db = \'' . PMA_sqlAddslashes($GLOBALS['db']) . '\''
1089                . '   AND ' . $to   . '_db = \'' . PMA_sqlAddslashes($GLOBALS['db']) . '\''
1090                . '   AND ' . $from . '_table IN ' . $in_know
1091                . '   AND ' . $to   . '_table IN ' . $in_left;
1092     $relations = @PMA_DBI_query($rel_query, $GLOBALS['controllink']);
1093     while ($row = PMA_DBI_fetch_assoc($relations)) {
1094         $found_table                = $row[$to . '_table'];
1095         if (isset($tab_left[$found_table])) {
1096             $fromclause
1097                 .= "\n" . ' LEFT JOIN '
1098                 . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($row[$to . '_table']) . ' ON '
1099                 . PMA_backquote($row[$from . '_table']) . '.'
1100                 . PMA_backquote($row[$from . '_field']) . ' = '
1101                 . PMA_backquote($row[$to . '_table']) . '.'
1102                 . PMA_backquote($row[$to . '_field']) . ' ';
1103             $tab_know[$found_table] = $found_table;
1104             unset($tab_left[$found_table]);
1105         }
1106     } // end while
1107
1108     return true;
1109 } // end of the "PMA_getRelatives()" function
1110
1111 /**
1112  * Rename a field in relation tables
1113  *
1114  * usually called after a field in a table was renamed in tbl_alter.php
1115  *
1116  * @uses    PMA_getRelationsParam()
1117  * @uses    PMA_backquote()
1118  * @uses    PMA_sqlAddslashes()
1119  * @uses    PMA_query_as_controluser()
1120  * @param string $db
1121  * @param string $table
1122  * @param string $field
1123  * @param string $new_name
1124  */
1125 function PMA_REL_renameField($db, $table, $field, $new_name)
1126 {
1127     $cfgRelation = PMA_getRelationsParam();
1128
1129     if ($cfgRelation['displaywork']) {
1130         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
1131                       . '   SET display_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1132                       . ' WHERE db_name       = \'' . PMA_sqlAddslashes($db) . '\''
1133                       . '   AND table_name    = \'' . PMA_sqlAddslashes($table) . '\''
1134                       . '   AND display_field = \'' . PMA_sqlAddslashes($field) . '\'';
1135         PMA_query_as_controluser($table_query);
1136     }
1137
1138     if ($cfgRelation['relwork']) {
1139         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
1140                       . '   SET master_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1141                       . ' WHERE master_db    = \'' . PMA_sqlAddslashes($db) . '\''
1142                       . '   AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
1143                       . '   AND master_field = \'' . PMA_sqlAddslashes($field) . '\'';
1144         PMA_query_as_controluser($table_query);
1145
1146         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
1147                       . '   SET foreign_field = \'' . PMA_sqlAddslashes($new_name) . '\''
1148                       . ' WHERE foreign_db    = \'' . PMA_sqlAddslashes($db) . '\''
1149                       . '   AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
1150                       . '   AND foreign_field = \'' . PMA_sqlAddslashes($field) . '\'';
1151         PMA_query_as_controluser($table_query);
1152     } // end if relwork
1153 }
1154
1155 /**
1156  * Create a PDF page
1157  *
1158  * @uses    __('no description')
1159  * @uses    PMA_backquote()
1160  * @uses    $GLOBALS['cfgRelation']['db']
1161  * @uses    PMA_sqlAddslashes()
1162  * @uses    PMA_query_as_controluser()
1163  * @uses    PMA_DBI_insert_id()
1164  * @uses    $GLOBALS['controllink']
1165  * @param string    $newpage
1166  * @param array     $cfgRelation
1167  * @param string    $db
1168  * @param string    $query_default_option
1169  * @return string   $pdf_page_number
1170  */
1171 function PMA_REL_create_page($newpage, $cfgRelation, $db, $query_default_option) {
1172     if (! isset($newpage) || $newpage == '') {
1173         $newpage = __('no description');
1174     }
1175     $ins_query   = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
1176                  . ' (db_name, page_descr)'
1177                  . ' VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($newpage) . '\')';
1178     PMA_query_as_controluser($ins_query, FALSE, $query_default_option);
1179     return PMA_DBI_insert_id(isset($GLOBALS['controllink']) ? $GLOBALS['controllink'] : '');
1180 }
1181 ?>