libraries/Table.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @version $Id$
   6  * @package phpMyAdmin
   7  */
   8
   9 /**
  10  * @todo make use of PMA_Message and PMA_Error
  11  * @package phpMyAdmin
  12  */
  13 class PMA_Table
  14 {
  15
  16     static $cache = array();
  17
  18     /**
  19      * @var string  table name
  20      */
  21     var $name = '';
  22
  23     /**
  24      * @var string  database name
  25      */
  26     var $db_name = '';
  27
  28     /**
  29      * @var string  engine (innodb, myisam, bdb, ...)
  30      */
  31     var $engine = '';
  32
  33     /**
  34      * @var string  type (view, base table, system view)
  35      */
  36     var $type = '';
  37
  38     /**
  39      * @var array   settings
  40      */
  41     var $settings = array();
  42
  43     /**
  44      * @var array errors occured
  45      */
  46     var $errors = array();
  47
  48     /**
  49      * @var array messages
  50      */
  51     var $messages = array();
  52
  53     /**
  54      * Constructor
  55      *
  56      * @param   string  $table_name table name
  57      * @param   string  $db_name    database name
  58      */
  59     function __construct($table_name, $db_name)
  60     {
  61         $this->setName($table_name);
  62         $this->setDbName($db_name);
  63     }
  64
  65     /**
  66      * @see PMA_Table::getName()
  67      */
  68     function __toString()
  69     {
  70         return $this->getName();
  71     }
  72
  73     function getLastError()
  74     {
  75         return end($this->errors);
  76     }
  77
  78     function getLastMessage()
  79     {
  80         return end($this->messages);
  81     }
  82
  83     /**
  84      * sets table name
  85      *
  86      * @uses    $this->name to set it
  87      * @param   string  $table_name new table name
  88      */
  89     function setName($table_name)
  90     {
  91         $this->name = $table_name;
  92     }
  93
  94     /**
  95      * returns table name
  96      *
  97      * @uses    $this->name as return value
  98      * @param   boolean whether to quote name with backticks ``
  99      * @return  string  table name
 100      */
 101     function getName($backquoted = false)
 102     {
 103         if ($backquoted) {
 104             return PMA_backquote($this->name);
 105         }
 106         return $this->name;
 107     }
 108
 109     /**
 110      * sets database name for this table
 111      *
 112      * @uses    $this->db_name  to set it
 113      * @param   string  $db_name
 114      */
 115     function setDbName($db_name)
 116     {
 117         $this->db_name = $db_name;
 118     }
 119
 120     /**
 121      * returns database name for this table
 122      *
 123      * @uses    $this->db_name  as return value
 124      * @param   boolean whether to quote name with backticks ``
 125      * @return  string  database name for this table
 126      */
 127     function getDbName($backquoted = false)
 128     {
 129         if ($backquoted) {
 130             return PMA_backquote($this->db_name);
 131         }
 132         return $this->db_name;
 133     }
 134
 135     /**
 136      * returns full name for table, including database name
 137      *
 138      * @param   boolean whether to quote name with backticks ``
 139      */
 140     function getFullName($backquoted = false)
 141     {
 142         return $this->getDbName($backquoted) . '.' . $this->getName($backquoted);
 143     }
 144
 145     static public function isView($db = null, $table = null)
 146     {
 147         if (strlen($db) && strlen($table)) {
 148             return PMA_Table::_isView($db, $table);
 149         }
 150
 151         if (isset($this) && strpos($this->get('TABLE TYPE'), 'VIEW')) {
 152             return true;
 153         }
 154
 155         return false;
 156     }
 157
 158     /**
 159      * sets given $value for given $param
 160      *
 161      * @uses    $this->settings to add or change value
 162      * @param   string  param name
 163      * @param   mixed   param value
 164      */
 165     function set($param, $value)
 166     {
 167         $this->settings[$param] = $value;
 168     }
 169
 170     /**
 171      * returns value for given setting/param
 172      *
 173      * @uses    $this->settings to return value
 174      * @param   string  name for value to return
 175      * @return  mixed   value for $param
 176      */
 177     function get($param)
 178     {
 179         if (isset($this->settings[$param])) {
 180             return $this->settings[$param];
 181         }
 182
 183         return null;
 184     }
 185
 186     /**
 187      * loads structure data
 188      * (this function is work in progress? not yet used)
 189      */
 190     function loadStructure()
 191     {
 192         $table_info = PMA_DBI_get_tables_full($this->getDbName(), $this->getName());
 193
 194         if (false === $table_info) {
 195             return false;
 196         }
 197
 198         $this->settings = $table_info;
 199
 200         if ($this->get('TABLE_ROWS') === null) {
 201             $this->set('TABLE_ROWS', PMA_Table::countRecords($this->getDbName(),
 202                 $this->getName(), true));
 203         }
 204
 205         $create_options = explode(' ', $this->get('TABLE_ROWS'));
 206
 207         // export create options by its name as variables into gloabel namespace
 208         // f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
 209         foreach ($create_options as $each_create_option) {
 210             $each_create_option = explode('=', $each_create_option);
 211             if (isset($each_create_option[1])) {
 212                 $this->set($$each_create_option[0], $each_create_option[1]);
 213             }
 214         }
 215     }
 216
 217     /**
 218      * Checks if this "table" is a view
 219      *
 220      * @deprecated
 221      * @todo see what we could do with the possible existence of $table_is_view
 222      * @param   string   the database name
 223      * @param   string   the table name
 224      *
 225      * @return  boolean  whether this is a view
 226      *
 227      * @access  public
 228      */
 229     static protected function _isView($db, $table)
 230     {
 231         // maybe we already know if the table is a view
 232         if (isset($GLOBALS['tbl_is_view']) && $GLOBALS['tbl_is_view']) {
 233             return true;
 234         }
 235
 236         // Since phpMyAdmin 3.2 the field TABLE_TYPE is properly filled by PMA_DBI_get_tables_full()
 237         $type = PMA_Table::sGetStatusInfo($db, $table, 'TABLE_TYPE');
 238         return $type == 'VIEW';
 239     }
 240
 241     /**
 242      * Checks if this is a merge table
 243      *
 244      * If the ENGINE of the table is MERGE or MRG_MYISAM (alias), this is a merge table.
 245      *
 246      * @param   string   the database name
 247      * @param   string   the table name
 248      * @return  boolean  true if it is a merge table
 249      * @access  public
 250      */
 251     static public function isMerge($db = null, $table = null)
 252     {
 253         // if called static, with parameters
 254         if (! empty($db) && ! empty($table)) {
 255             $engine = PMA_Table::sGetStatusInfo($db, $table, 'ENGINE', null, true);
 256         }
 257         // if called as an object
 258         // does not work yet, because $this->settings[] is not filled correctly
 259         else if (! empty($this)) {
 260             $engine = $this->get('ENGINE');
 261         }
 262
 263         return (! empty($engine) && ((strtoupper($engine) == 'MERGE') || (strtoupper($engine) == 'MRG_MYISAM')));
 264     }
 265
 266     static public function sGetToolTip($db, $table)
 267     {
 268         return PMA_Table::sGetStatusInfo($db, $table, 'Comment')
 269             . ' (' . PMA_Table::countRecords($db, $table) . ')';
 270     }
 271
 272     /**
 273      * Returns full table status info, or specific if $info provided
 274      *
 275      * this info is collected from information_schema
 276      *
 277      * @todo PMA_DBI_get_tables_full needs to be merged somehow into this class or at least better documented
 278      * @param string $db
 279      * @param string $table
 280      * @param string $info
 281      * @param boolean $force_read
 282      * @param boolean if true, disables error message
 283      * @return mixed
 284      */
 285     static public function sGetStatusInfo($db, $table, $info = null, $force_read = false, $disable_error = false)
 286     {
 287         if (! isset(PMA_Table::$cache[$db][$table]) || $force_read) {
 288             PMA_DBI_get_tables_full($db, $table);
 289         }
 290
 291         if (! isset(PMA_Table::$cache[$db][$table])) {
 292             // happens when we enter the table creation dialog
 293             // or when we really did not get any status info, for example
 294             // when $table == 'TABLE_NAMES' after the user tried SHOW TABLES
 295             return '';
 296         }
 297
 298         if (null === $info) {
 299             return PMA_Table::$cache[$db][$table];
 300         }
 301
 302         if (! isset(PMA_Table::$cache[$db][$table][$info])) {
 303             if (! $disable_error) {
 304                 trigger_error('unknown table status: ' . $info, E_USER_WARNING);
 305             }
 306             return false;
 307         }
 308
 309         return PMA_Table::$cache[$db][$table][$info];
 310     }
 311
 312     /**
 313      * generates column/field specification for ALTER or CREATE TABLE syntax
 314      *
 315      * @todo    move into class PMA_Column
 316      * @todo on the interface, some js to clear the default value when the default
 317      * current_timestamp is checked
 318      * @static
 319      * @param   string  $name       name
 320      * @param   string  $type       type ('INT', 'VARCHAR', 'BIT', ...)
 321      * @param   string  $length     length ('2', '5,2', '', ...)
 322      * @param   string  $attribute
 323      * @param   string  $collation
 324      * @param   string  $null       with 'NULL' or 'NOT NULL'
 325      * @param   string  $default_type   whether default is CURRENT_TIMESTAMP,
 326      *                                  NULL, NONE, USER_DEFINED
 327      * @param   boolean $default_value  default value for USER_DEFINED default type
 328      * @param   string  $extra      'AUTO_INCREMENT'
 329      * @param   string  $comment    field comment
 330      * @param   array   &$field_primary list of fields for PRIMARY KEY
 331      * @param   string  $index
 332      * @return  string  field specification
 333      */
 334     static function generateFieldSpec($name, $type, $length = '', $attribute = '',
 335         $collation = '', $null = false, $default_type = 'USER_DEFINED',
 336         $default_value = '', $extra = '', $comment = '',
 337         &$field_primary, $index, $default_orig = false)
 338     {
 339
 340         $is_timestamp = strpos(' ' . strtoupper($type), 'TIMESTAMP') == 1;
 341
 342         /**
 343          * @todo include db-name
 344          */
 345         $query = PMA_backquote($name) . ' ' . $type;
 346
 347         if ($length != ''
 348             && !preg_match('@^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$@i', $type)) {
 349             $query .= '(' . $length . ')';
 350         }
 351
 352         if ($attribute != '') {
 353             $query .= ' ' . $attribute;
 354         }
 355
 356         if (!empty($collation) && $collation != 'NULL'
 357           && preg_match('@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i', $type)) {
 358             $query .= PMA_generateCharsetQueryPart($collation);
 359         }
 360
 361         if ($null !== false) {
 362             if ($null == 'NULL') {
 363                 $query .= ' NULL';
 364             } else {
 365                 $query .= ' NOT NULL';
 366             }
 367         }
 368
 369         switch ($default_type) {
 370             case 'USER_DEFINED' :
 371                 if ($is_timestamp && $default_value === '0') {
 372                     // a TIMESTAMP does not accept DEFAULT '0'
 373                     // but DEFAULT 0 works
 374                     $query .= ' DEFAULT 0';
 375                 } elseif ($type == 'BIT') {
 376                     $query .= ' DEFAULT b\'' . preg_replace('/[^01]/', '0', $default_value) . '\'';
 377                 } else {
 378                     $query .= ' DEFAULT \'' . PMA_sqlAddslashes($default_value) . '\'';
 379                 }
 380                 break;
 381             case 'NULL' :
 382             case 'CURRENT_TIMESTAMP' :
 383                 $query .= ' DEFAULT ' . $default_type;
 384                 break;
 385             case 'NONE' :
 386             default :
 387                 break;
 388         }
 389
 390         if (!empty($extra)) {
 391             $query .= ' ' . $extra;
 392             // Force an auto_increment field to be part of the primary key
 393             // even if user did not tick the PK box;
 394             if ($extra == 'AUTO_INCREMENT') {
 395                 $primary_cnt = count($field_primary);
 396                 if (1 == $primary_cnt) {
 397                     for ($j = 0; $j < $primary_cnt && $field_primary[$j] != $index; $j++) {
 398                         //void
 399                     }
 400                     if (isset($field_primary[$j]) && $field_primary[$j] == $index) {
 401                         $query .= ' PRIMARY KEY';
 402                         unset($field_primary[$j]);
 403                     }
 404                 // but the PK could contain other columns so do not append
 405                 // a PRIMARY KEY clause, just add a member to $field_primary
 406                 } else {
 407                     $found_in_pk = false;
 408                     for ($j = 0; $j < $primary_cnt; $j++) {
 409                         if ($field_primary[$j] == $index) {
 410                             $found_in_pk = true;
 411                             break;
 412                         }
 413                     } // end for
 414                     if (! $found_in_pk) {
 415                         $field_primary[] = $index;
 416                     }
 417                 }
 418             } // end if (auto_increment)
 419         }
 420         if (!empty($comment)) {
 421             $query .= " COMMENT '" . PMA_sqlAddslashes($comment) . "'";
 422         }
 423         return $query;
 424     } // end function
 425
 426     /**
 427      * Counts and returns (or displays) the number of records in a table
 428      *
 429      * Revision 13 July 2001: Patch for limiting dump size from
 430      * vinay@sanisoft.com & girish@sanisoft.com
 431      *
 432      * @param   string   the current database name
 433      * @param   string   the current table name
 434      * @param   boolean  whether to force an exact count
 435      *
 436      * @return  mixed    the number of records if "retain" param is true,
 437      *                   otherwise true
 438      *
 439      * @access  public
 440      */
 441     static public function countRecords($db, $table, $force_exact = false, $is_view = null)
 442     {
 443         if (isset(PMA_Table::$cache[$db][$table]['ExactRows'])) {
 444             $row_count = PMA_Table::$cache[$db][$table]['ExactRows'];
 445         } else {
 446             $row_count = false;
 447
 448             if (null === $is_view) {
 449                 $is_view = PMA_Table::isView($db, $table);
 450             }
 451
 452             if (! $force_exact) {
 453                 if (! isset(PMA_Table::$cache[$db][$table]['Rows']) && ! $is_view) {
 454                     $tmp_tables = PMA_DBI_get_tables_full($db, $table);
 455                     PMA_Table::$cache[$db][$table] = $tmp_tables[$table];
 456                 }
 457                 $row_count = PMA_Table::$cache[$db][$table]['Rows'];
 458             }
 459
 460             // for a VIEW, $row_count is always false at this point
 461             if (false === $row_count || $row_count < $GLOBALS['cfg']['MaxExactCount']) {
 462                 if (! $is_view) {
 463                     $row_count = PMA_DBI_fetch_value(
 464                         'SELECT COUNT(*) FROM ' . PMA_backquote($db) . '.'
 465                         . PMA_backquote($table));
 466                 } else {
 467                     // For complex views, even trying to get a partial record
 468                     // count could bring down a server, so we offer an
 469                     // alternative: setting MaxExactCountViews to 0 will bypass
 470                     // completely the record counting for views
 471
 472                     if ($GLOBALS['cfg']['MaxExactCountViews'] == 0) {
 473                         $row_count = 0;
 474                     } else {
 475                         // Counting all rows of a VIEW could be too long, so use
 476                         // a LIMIT clause.
 477                         // Use try_query because it can fail (when a VIEW is
 478                         // based on a table that no longer exists)
 479                         $result = PMA_DBI_try_query(
 480                             'SELECT 1 FROM ' . PMA_backquote($db) . '.'
 481                                 . PMA_backquote($table) . ' LIMIT '
 482                                 . $GLOBALS['cfg']['MaxExactCountViews'],
 483                                 null, PMA_DBI_QUERY_STORE);
 484                         if (!PMA_DBI_getError()) {
 485                             $row_count = PMA_DBI_num_rows($result);
 486                             PMA_DBI_free_result($result);
 487                         }
 488                     }
 489                 }
 490                 PMA_Table::$cache[$db][$table]['ExactRows'] = $row_count;
 491             }
 492         }
 493
 494         return $row_count;
 495     } // end of the 'PMA_Table::countRecords()' function
 496
 497     /**
 498      * @see PMA_Table::generateFieldSpec()
 499      */
 500     static public function generateAlter($oldcol, $newcol, $type, $length,
 501         $attribute, $collation, $null, $default_type, $default_value,
 502         $extra, $comment = '', &$field_primary, $index, $default_orig)
 503     {
 504         return PMA_backquote($oldcol) . ' '
 505             . PMA_Table::generateFieldSpec($newcol, $type, $length, $attribute,
 506                 $collation, $null, $default_type, $default_value, $extra,
 507                 $comment, $field_primary, $index, $default_orig);
 508     } // end function
 509
 510     /**
 511      * Inserts existing entries in a PMA_* table by reading a value from an old entry
 512      *
 513      * @param   string  The array index, which Relation feature to check
 514      *                  ('relwork', 'commwork', ...)
 515      * @param   string  The array index, which PMA-table to update
 516      *                  ('bookmark', 'relation', ...)
 517      * @param   array   Which fields will be SELECT'ed from the old entry
 518      * @param   array   Which fields will be used for the WHERE query
 519      *                  (array('FIELDNAME' => 'FIELDVALUE'))
 520      * @param   array   Which fields will be used as new VALUES. These are the important
 521      *                  keys which differ from the old entry.
 522      *                  (array('FIELDNAME' => 'NEW FIELDVALUE'))
 523
 524      * @global  string  relation variable
 525      *
 526      * @author          Garvin Hicking <me@supergarv.de>
 527      */
 528     static public function duplicateInfo($work, $pma_table, $get_fields, $where_fields,
 529       $new_fields)
 530     {
 531         $last_id = -1;
 532
 533         if (isset($GLOBALS['cfgRelation']) && $GLOBALS['cfgRelation'][$work]) {
 534             $select_parts = array();
 535             $row_fields = array();
 536             foreach ($get_fields as $get_field) {
 537                 $select_parts[] = PMA_backquote($get_field);
 538                 $row_fields[$get_field] = 'cc';
 539             }
 540
 541             $where_parts = array();
 542             foreach ($where_fields as $_where => $_value) {
 543                 $where_parts[] = PMA_backquote($_where) . ' = \''
 544                     . PMA_sqlAddslashes($_value) . '\'';
 545             }
 546
 547             $new_parts = array();
 548             $new_value_parts = array();
 549             foreach ($new_fields as $_where => $_value) {
 550                 $new_parts[] = PMA_backquote($_where);
 551                 $new_value_parts[] = PMA_sqlAddslashes($_value);
 552             }
 553
 554             $table_copy_query = '
 555                 SELECT ' . implode(', ', $select_parts) . '
 556                   FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
 557                   . PMA_backquote($GLOBALS['cfgRelation'][$pma_table]) . '
 558                  WHERE ' . implode(' AND ', $where_parts);
 559
 560             // must use PMA_DBI_QUERY_STORE here, since we execute another
 561             // query inside the loop
 562             $table_copy_rs    = PMA_query_as_controluser($table_copy_query, true,
 563                 PMA_DBI_QUERY_STORE);
 564
 565             while ($table_copy_row = @PMA_DBI_fetch_assoc($table_copy_rs)) {
 566                 $value_parts = array();
 567                 foreach ($table_copy_row as $_key => $_val) {
 568                     if (isset($row_fields[$_key]) && $row_fields[$_key] == 'cc') {
 569                         $value_parts[] = PMA_sqlAddslashes($_val);
 570                     }
 571                 }
 572
 573                 $new_table_query = '
 574                     INSERT IGNORE INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db'])
 575                         . '.' . PMA_backquote($GLOBALS['cfgRelation'][$pma_table]) . '
 576                     (' . implode(', ', $select_parts) . ',
 577                      ' . implode(', ', $new_parts) . ')
 578                     VALUES
 579                     (\'' . implode('\', \'', $value_parts) . '\',
 580                      \'' . implode('\', \'', $new_value_parts) . '\')';
 581
 582                 PMA_query_as_controluser($new_table_query);
 583                 $last_id = PMA_DBI_insert_id();
 584             } // end while
 585
 586             PMA_DBI_free_result($table_copy_rs);
 587
 588             return $last_id;
 589         }
 590
 591         return true;
 592     } // end of 'PMA_Table::duplicateInfo()' function
 593
 594
 595     /**
 596      * Copies or renames table
 597      * @todo use RENAME for move operations
 598      *        - would work only if the databases are on the same filesystem,
 599      *          how can we check that? try the operation and
 600      *          catch an error?
 601      *        - for views, only if MYSQL > 50013
 602      *        - still have to handle pmadb synch.
 603      *
 604      * @author          Michal Cihar <michal@cihar.com>
 605      */
 606     static public function moveCopy($source_db, $source_table, $target_db, $target_table, $what, $move, $mode)
 607     {
 608         global $err_url;
 609
 610         // set export settings we need
 611         $GLOBALS['sql_backquotes'] = 1;
 612         $GLOBALS['asfile']         = 1;
 613
 614         // Ensure the target is valid
 615         if (! $GLOBALS['pma']->databases->exists($source_db, $target_db)) {
 616             if (! $GLOBALS['pma']->databases->exists($source_db)) {
 617                 $GLOBALS['message'] = PMA_Message::rawError('source database `'
 618                     . htmlspecialchars($source_db) . '` not found');
 619             }
 620             if (! $GLOBALS['pma']->databases->exists($target_db)) {
 621                 $GLOBALS['message'] = PMA_Message::rawError('target database `'
 622                     . htmlspecialchars($target_db) . '` not found');
 623             }
 624             return false;
 625         }
 626
 627         $source = PMA_backquote($source_db) . '.' . PMA_backquote($source_table);
 628         if (! isset($target_db) || ! strlen($target_db)) {
 629             $target_db = $source_db;
 630         }
 631
 632         // Doing a select_db could avoid some problems with replicated databases,
 633         // when moving table from replicated one to not replicated one
 634         PMA_DBI_select_db($target_db);
 635
 636         $target = PMA_backquote($target_db) . '.' . PMA_backquote($target_table);
 637
 638         // do not create the table if dataonly
 639         if ($what != 'dataonly') {
 640             require_once './libraries/export/sql.php';
 641
 642             $no_constraints_comments = true;
 643             $GLOBALS['sql_constraints_query'] = '';
 644
 645             $sql_structure = PMA_getTableDef($source_db, $source_table, "\n", $err_url, false, false);
 646             unset($no_constraints_comments);
 647             $parsed_sql =  PMA_SQP_parse($sql_structure);
 648             $analyzed_sql = PMA_SQP_analyze($parsed_sql);
 649             $i = 0;
 650             if (empty($analyzed_sql[0]['create_table_fields'])) {
 651             // this is not a CREATE TABLE, so find the first VIEW
 652                 $target_for_view = PMA_backquote($target_db);
 653                 while (true) {
 654                 if ($parsed_sql[$i]['type'] == 'alpha_reservedWord' && $parsed_sql[$i]['data'] == 'VIEW') {
 655                         break;
 656                     }
 657                     $i++;
 658                 }
 659             }
 660             unset($analyzed_sql);
 661             $server_sql_mode = PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'sql_mode'", 0, 1);
 662             // ANSI_QUOTES might be a subset of sql_mode, for example
 663             // REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ANSI
 664             if (false !== strpos($server_sql_mode, 'ANSI_QUOTES')) {
 665                 $table_delimiter = 'quote_double';
 666             } else {
 667                 $table_delimiter = 'quote_backtick';
 668             }
 669             unset($server_sql_mode);
 670
 671             /* nijel: Find table name in query and replace it */
 672             while ($parsed_sql[$i]['type'] != $table_delimiter) {
 673                 $i++;
 674             }
 675
 676             /* no need to PMA_backquote() */
 677             if (isset($target_for_view)) {
 678                 // this a view definition; we just found the first db name
 679                 // that follows DEFINER VIEW
 680                 // so change it for the new db name
 681                         $parsed_sql[$i]['data'] = $target_for_view;
 682                 // then we have to find all references to the source db
 683                 // and change them to the target db, ensuring we stay into
 684                 // the $parsed_sql limits
 685                 $last = $parsed_sql['len'] - 1;
 686                 $backquoted_source_db = PMA_backquote($source_db);
 687                 for (++$i; $i <= $last; $i++) {
 688                             if ($parsed_sql[$i]['type'] == $table_delimiter && $parsed_sql[$i]['data'] == $backquoted_source_db) {
 689                                 $parsed_sql[$i]['data'] = $target_for_view;
 690                     }
 691                 }
 692                 unset($last,$backquoted_source_db);
 693             } else {
 694                 $parsed_sql[$i]['data'] = $target;
 695             }
 696
 697             /* Generate query back */
 698             $sql_structure = PMA_SQP_formatHtml($parsed_sql, 'query_only');
 699             // If table exists, and 'add drop table' is selected: Drop it!
 700             $drop_query = '';
 701             if (isset($GLOBALS['drop_if_exists'])
 702               && $GLOBALS['drop_if_exists'] == 'true') {
 703                 if (PMA_Table::_isView($target_db,$target_table)) {
 704                     $drop_query = 'DROP VIEW';
 705                 } else {
 706                     $drop_query = 'DROP TABLE';
 707                 }
 708                 $drop_query .= ' IF EXISTS '
 709                     . PMA_backquote($target_db) . '.'
 710                     . PMA_backquote($target_table);
 711                 PMA_DBI_query($drop_query);
 712
 713                 $GLOBALS['sql_query'] .= "\n" . $drop_query . ';';
 714
 715                 // garvin: If an existing table gets deleted, maintain any
 716                 // entries for the PMA_* tables
 717                 $maintain_relations = true;
 718             }
 719
 720             @PMA_DBI_query($sql_structure);
 721             $GLOBALS['sql_query'] .= "\n" . $sql_structure . ';';
 722
 723             if (($move || isset($GLOBALS['add_constraints']))
 724               && !empty($GLOBALS['sql_constraints_query'])) {
 725                 $parsed_sql =  PMA_SQP_parse($GLOBALS['sql_constraints_query']);
 726                 $i = 0;
 727
 728                 // find the first $table_delimiter, it must be the source table name
 729                 while ($parsed_sql[$i]['type'] != $table_delimiter) {
 730                     $i++;
 731                     // maybe someday we should guard against going over limit
 732                     //if ($i == $parsed_sql['len']) {
 733                     //    break;
 734                     //}
 735                 }
 736
 737                 // replace it by the target table name, no need to PMA_backquote()
 738                 $parsed_sql[$i]['data'] = $target;
 739
 740                 // now we must remove all $table_delimiter that follow a CONSTRAINT
 741                 // keyword, because a constraint name must be unique in a db
 742
 743                 $cnt = $parsed_sql['len'] - 1;
 744
 745                 for ($j = $i; $j < $cnt; $j++) {
 746                     if ($parsed_sql[$j]['type'] == 'alpha_reservedWord'
 747                       && strtoupper($parsed_sql[$j]['data']) == 'CONSTRAINT') {
 748                         if ($parsed_sql[$j+1]['type'] == $table_delimiter) {
 749                             $parsed_sql[$j+1]['data'] = '';
 750                         }
 751                     }
 752                 }
 753
 754                 // Generate query back
 755                 $GLOBALS['sql_constraints_query'] = PMA_SQP_formatHtml($parsed_sql,
 756                     'query_only');
 757                 if ($mode == 'one_table') {
 758                     PMA_DBI_query($GLOBALS['sql_constraints_query']);
 759                 }
 760                 $GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
 761                 if ($mode == 'one_table') {
 762                     unset($GLOBALS['sql_constraints_query']);
 763                 }
 764             }
 765         } else {
 766             $GLOBALS['sql_query'] = '';
 767         }
 768
 769         // Copy the data unless this is a VIEW
 770         if (($what == 'data' || $what == 'dataonly') && ! PMA_Table::_isView($target_db,$target_table)) {
 771             $sql_insert_data =
 772                 'INSERT INTO ' . $target . ' SELECT * FROM ' . $source;
 773             PMA_DBI_query($sql_insert_data);
 774             $GLOBALS['sql_query']      .= "\n\n" . $sql_insert_data . ';';
 775         }
 776
 777         require_once './libraries/relation.lib.php';
 778         $GLOBALS['cfgRelation'] = PMA_getRelationsParam();
 779
 780         // Drops old table if the user has requested to move it
 781         if ($move) {
 782
 783             // This could avoid some problems with replicated databases, when
 784             // moving table from replicated one to not replicated one
 785             PMA_DBI_select_db($source_db);
 786
 787             if (PMA_Table::_isView($source_db,$source_table)) {
 788                 $sql_drop_query = 'DROP VIEW';
 789             } else {
 790                 $sql_drop_query = 'DROP TABLE';
 791             }
 792             $sql_drop_query .= ' ' . $source;
 793             PMA_DBI_query($sql_drop_query);
 794
 795             // garvin: Move old entries from PMA-DBs to new table
 796             if ($GLOBALS['cfgRelation']['commwork']) {
 797                 $remove_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info'])
 798                               . ' SET     table_name = \'' . PMA_sqlAddslashes($target_table) . '\', '
 799                               . '        db_name    = \'' . PMA_sqlAddslashes($target_db) . '\''
 800                               . ' WHERE db_name  = \'' . PMA_sqlAddslashes($source_db) . '\''
 801                               . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
 802                 PMA_query_as_controluser($remove_query);
 803                 unset($remove_query);
 804             }
 805
 806             // garvin: updating bookmarks is not possible since only a single table is moved,
 807             // and not the whole DB.
 808
 809             if ($GLOBALS['cfgRelation']['displaywork']) {
 810                 $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_info'])
 811                                 . ' SET     db_name = \'' . PMA_sqlAddslashes($target_db) . '\', '
 812                                 . '         table_name = \'' . PMA_sqlAddslashes($target_table) . '\''
 813                                 . ' WHERE db_name  = \'' . PMA_sqlAddslashes($source_db) . '\''
 814                                 . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
 815                 PMA_query_as_controluser($table_query);
 816                 unset($table_query);
 817             }
 818
 819             if ($GLOBALS['cfgRelation']['relwork']) {
 820                 $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['relation'])
 821                                 . ' SET     foreign_table = \'' . PMA_sqlAddslashes($target_table) . '\','
 822                                 . '         foreign_db = \'' . PMA_sqlAddslashes($target_db) . '\''
 823                                 . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($source_db) . '\''
 824                                 . ' AND foreign_table = \'' . PMA_sqlAddslashes($source_table) . '\'';
 825                 PMA_query_as_controluser($table_query);
 826                 unset($table_query);
 827
 828                 $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['relation'])
 829                                 . ' SET     master_table = \'' . PMA_sqlAddslashes($target_table) . '\','
 830                                 . '         master_db = \'' . PMA_sqlAddslashes($target_db) . '\''
 831                                 . ' WHERE master_db  = \'' . PMA_sqlAddslashes($source_db) . '\''
 832                                 . ' AND master_table = \'' . PMA_sqlAddslashes($source_table) . '\'';
 833                 PMA_query_as_controluser($table_query);
 834                 unset($table_query);
 835             }
 836
 837             /**
 838              * @todo garvin: Can't get moving PDFs the right way. The page numbers
 839              * always get screwed up independently from duplication because the
 840              * numbers do not seem to be stored on a per-database basis. Would
 841              * the author of pdf support please have a look at it?
 842              */
 843
 844             if ($GLOBALS['cfgRelation']['pdfwork']) {
 845                 $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_coords'])
 846                                 . ' SET     table_name = \'' . PMA_sqlAddslashes($target_table) . '\','
 847                                 . '         db_name = \'' . PMA_sqlAddslashes($target_db) . '\''
 848                                 . ' WHERE db_name  = \'' . PMA_sqlAddslashes($source_db) . '\''
 849                                 . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
 850                 PMA_query_as_controluser($table_query);
 851                 unset($table_query);
 852                 /*
 853                 $pdf_query = 'SELECT pdf_page_number '
 854                            . ' FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['table_coords'])
 855                            . ' WHERE db_name  = \'' . PMA_sqlAddslashes($target_db) . '\''
 856                            . ' AND table_name = \'' . PMA_sqlAddslashes($target_table) . '\'';
 857                 $pdf_rs = PMA_query_as_controluser($pdf_query);
 858
 859                 while ($pdf_copy_row = PMA_DBI_fetch_assoc($pdf_rs)) {
 860                     $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['pdf_pages'])
 861                                     . ' SET     db_name = \'' . PMA_sqlAddslashes($target_db) . '\''
 862                                     . ' WHERE db_name  = \'' . PMA_sqlAddslashes($source_db) . '\''
 863                                     . ' AND page_nr = \'' . PMA_sqlAddslashes($pdf_copy_row['pdf_page_number']) . '\'';
 864                     $tb_rs    = PMA_query_as_controluser($table_query);
 865                     unset($table_query);
 866                     unset($tb_rs);
 867                 }
 868                 */
 869             }
 870
 871             if ($GLOBALS['cfgRelation']['designerwork']) {
 872                 $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['designer_coords'])
 873                                 . ' SET     table_name = \'' . PMA_sqlAddslashes($target_table) . '\','
 874                                 . '         db_name = \'' . PMA_sqlAddslashes($target_db) . '\''
 875                                 . ' WHERE db_name  = \'' . PMA_sqlAddslashes($source_db) . '\''
 876                                 . ' AND table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
 877                 PMA_query_as_controluser($table_query);
 878                 unset($table_query);
 879             }
 880
 881             $GLOBALS['sql_query']      .= "\n\n" . $sql_drop_query . ';';
 882         // end if ($move)
 883         } else {
 884             // we are copying
 885             // garvin: Create new entries as duplicates from old PMA DBs
 886             if ($what != 'dataonly' && !isset($maintain_relations)) {
 887                 if ($GLOBALS['cfgRelation']['commwork']) {
 888                     // Get all comments and MIME-Types for current table
 889                     $comments_copy_query = 'SELECT
 890                                                 column_name, ' . PMA_backquote('comment') . ($GLOBALS['cfgRelation']['mimework'] ? ', mimetype, transformation, transformation_options' : '') . '
 891                                             FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info']) . '
 892                                             WHERE
 893                                                 db_name = \'' . PMA_sqlAddslashes($source_db) . '\' AND
 894                                                 table_name = \'' . PMA_sqlAddslashes($source_table) . '\'';
 895                     $comments_copy_rs    = PMA_query_as_controluser($comments_copy_query);
 896
 897                     // Write every comment as new copied entry. [MIME]
 898                     while ($comments_copy_row = PMA_DBI_fetch_assoc($comments_copy_rs)) {
 899                         $new_comment_query = 'REPLACE INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($GLOBALS['cfgRelation']['column_info'])
 900                                     . ' (db_name, table_name, column_name, ' . PMA_backquote('comment') . ($GLOBALS['cfgRelation']['mimework'] ? ', mimetype, transformation, transformation_options' : '') . ') '
 901                                     . ' VALUES('
 902                                     . '\'' . PMA_sqlAddslashes($target_db) . '\','
 903                                     . '\'' . PMA_sqlAddslashes($target_table) . '\','
 904                                     . '\'' . PMA_sqlAddslashes($comments_copy_row['column_name']) . '\''
 905                                     . ($GLOBALS['cfgRelation']['mimework'] ? ',\'' . PMA_sqlAddslashes($comments_copy_row['comment']) . '\','
 906                                             . '\'' . PMA_sqlAddslashes($comments_copy_row['mimetype']) . '\','
 907                                             . '\'' . PMA_sqlAddslashes($comments_copy_row['transformation']) . '\','
 908                                             . '\'' . PMA_sqlAddslashes($comments_copy_row['transformation_options']) . '\'' : '')
 909                                     . ')';
 910                         PMA_query_as_controluser($new_comment_query);
 911                     } // end while
 912                     PMA_DBI_free_result($comments_copy_rs);
 913                     unset($comments_copy_rs);
 914                 }
 915
 916                 // duplicating the bookmarks must not be done here, but
 917                 // just once per db
 918
 919                 $get_fields = array('display_field');
 920                 $where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
 921                 $new_fields = array('db_name' => $target_db, 'table_name' => $target_table);
 922                 PMA_Table::duplicateInfo('displaywork', 'table_info', $get_fields, $where_fields, $new_fields);
 923
 924
 925                 /**
 926                  * @todo revise this code when we support cross-db relations
 927                  */
 928                 $get_fields = array('master_field', 'foreign_table', 'foreign_field');
 929                 $where_fields = array('master_db' => $source_db, 'master_table' => $source_table);
 930                 $new_fields = array('master_db' => $target_db, 'foreign_db' => $target_db, 'master_table' => $target_table);
 931                 PMA_Table::duplicateInfo('relwork', 'relation', $get_fields, $where_fields, $new_fields);
 932
 933
 934                 $get_fields = array('foreign_field', 'master_table', 'master_field');
 935                 $where_fields = array('foreign_db' => $source_db, 'foreign_table' => $source_table);
 936                 $new_fields = array('master_db' => $target_db, 'foreign_db' => $target_db, 'foreign_table' => $target_table);
 937                 PMA_Table::duplicateInfo('relwork', 'relation', $get_fields, $where_fields, $new_fields);
 938
 939
 940                 $get_fields = array('x', 'y', 'v', 'h');
 941                 $where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
 942                 $new_fields = array('db_name' => $target_db, 'table_name' => $target_table);
 943                 PMA_Table::duplicateInfo('designerwork', 'designer_coords', $get_fields, $where_fields, $new_fields);
 944
 945                 /**
 946                  * @todo garvin: Can't get duplicating PDFs the right way. The
 947                  * page numbers always get screwed up independently from
 948                  * duplication because the numbers do not seem to be stored on a
 949                  * per-database basis. Would the author of pdf support please
 950                  * have a look at it?
 951                  *
 952                 $get_fields = array('page_descr');
 953                 $where_fields = array('db_name' => $source_db);
 954                 $new_fields = array('db_name' => $target_db);
 955                 $last_id = PMA_Table::duplicateInfo('pdfwork', 'pdf_pages', $get_fields, $where_fields, $new_fields);
 956
 957                 if (isset($last_id) && $last_id >= 0) {
 958                     $get_fields = array('x', 'y');
 959                     $where_fields = array('db_name' => $source_db, 'table_name' => $source_table);
 960                     $new_fields = array('db_name' => $target_db, 'table_name' => $target_table, 'pdf_page_number' => $last_id);
 961                     PMA_Table::duplicateInfo('pdfwork', 'table_coords', $get_fields, $where_fields, $new_fields);
 962                 }
 963                  */
 964             }
 965         }
 966         return true;
 967     }
 968
 969     /**
 970      * checks if given name is a valid table name,
 971      * currently if not empty, trailing spaces, '.', '/' and '\'
 972      *
 973      * @todo    add check for valid chars in filename on current system/os
 974      * @see     http://dev.mysql.com/doc/refman/5.0/en/legal-names.html
 975      * @param   string  $table_name name to check
 976      * @return  boolean whether the string is valid or not
 977      */
 978     function isValidName($table_name)
 979     {
 980         if ($table_name !== trim($table_name)) {
 981             // trailing spaces
 982             return false;
 983         }
 984
 985         if (! strlen($table_name)) {
 986             // zero length
 987             return false;
 988         }
 989
 990         if (preg_match('/[.\/\\\\]+/i', $table_name)) {
 991             // illegal char . / \
 992             return false;
 993         }
 994
 995         return true;
 996     }
 997
 998     /**
 999      * renames table
1000      *
1001      * @param   string  new table name
1002      * @param   string  new database name
1003      * @return  boolean success
1004      */
1005     function rename($new_name, $new_db = null)
1006     {
1007         if (null !== $new_db && $new_db !== $this->getDbName()) {
1008             // Ensure the target is valid
1009             if (! $GLOBALS['pma']->databases->exists($new_db)) {
1010                 $this->errors[] = $GLOBALS['strInvalidDatabase'] . ': ' . $new_db;
1011                 return false;
1012             }
1013         } else {
1014             $new_db = $this->getDbName();
1015         }
1016
1017         $new_table = new PMA_Table($new_name, $new_db);
1018
1019         if ($this->getFullName() === $new_table->getFullName()) {
1020             return true;
1021         }
1022
1023         if (! PMA_Table::isValidName($new_name)) {
1024             $this->errors[] = $GLOBALS['strInvalidTableName'] . ': ' . $new_table->getFullName();
1025             return false;
1026         }
1027
1028         $GLOBALS['sql_query'] = '
1029             RENAME TABLE ' . $this->getFullName(true) . '
1030                       TO ' . $new_table->getFullName(true) . ';';
1031         if (! PMA_DBI_query($GLOBALS['sql_query'])) {
1032             $this->errors[] = sprintf($GLOBALS['strErrorRenamingTable'], $this->getFullName(), $new_table->getFullName());
1033             return false;
1034         }
1035
1036         $old_name = $this->getName();
1037         $old_db = $this->getDbName();
1038         $this->setName($new_name);
1039         $this->setDbName($new_db);
1040
1041         /**
1042          * @todo move into extra function PMA_Relation::renameTable($new_name, $old_name, $new_db, $old_db)
1043          */
1044         // garvin: Move old entries from comments to new table
1045         require_once './libraries/relation.lib.php';
1046         $GLOBALS['cfgRelation'] = PMA_getRelationsParam();
1047         if ($GLOBALS['cfgRelation']['commwork']) {
1048             $remove_query = '
1049                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1050                     . PMA_backquote($GLOBALS['cfgRelation']['column_info']) . '
1051                    SET `db_name`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1052                        `table_name` = \'' . PMA_sqlAddslashes($new_name) . '\'
1053                  WHERE `db_name`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1054                    AND `table_name` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1055             PMA_query_as_controluser($remove_query);
1056             unset($remove_query);
1057         }
1058
1059         if ($GLOBALS['cfgRelation']['displaywork']) {
1060             $table_query = '
1061                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1062                     . PMA_backquote($GLOBALS['cfgRelation']['table_info']) . '
1063                    SET `db_name`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1064                        `table_name` = \'' . PMA_sqlAddslashes($new_name) . '\'
1065                  WHERE `db_name`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1066                    AND `table_name` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1067             PMA_query_as_controluser($table_query);
1068             unset($table_query);
1069         }
1070
1071         if ($GLOBALS['cfgRelation']['relwork']) {
1072             $table_query = '
1073                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1074                     . PMA_backquote($GLOBALS['cfgRelation']['relation']) . '
1075                    SET `foreign_db`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1076                        `foreign_table` = \'' . PMA_sqlAddslashes($new_name) . '\'
1077                  WHERE `foreign_db`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1078                    AND `foreign_table` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1079             PMA_query_as_controluser($table_query);
1080
1081             $table_query = '
1082                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1083                     . PMA_backquote($GLOBALS['cfgRelation']['relation']) . '
1084                    SET `master_db`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1085                        `master_table` = \'' . PMA_sqlAddslashes($new_name) . '\'
1086                  WHERE `master_db`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1087                    AND `master_table` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1088             PMA_query_as_controluser($table_query);
1089             unset($table_query);
1090         }
1091
1092         if ($GLOBALS['cfgRelation']['pdfwork']) {
1093             $table_query = '
1094                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1095                     . PMA_backquote($GLOBALS['cfgRelation']['table_coords']) . '
1096                    SET `db_name`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1097                        `table_name` = \'' . PMA_sqlAddslashes($new_name) . '\'
1098                  WHERE `db_name`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1099                    AND `table_name` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1100             PMA_query_as_controluser($table_query);
1101             unset($table_query);
1102         }
1103
1104         if ($GLOBALS['cfgRelation']['designerwork']) {
1105             $table_query = '
1106                 UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
1107                     . PMA_backquote($GLOBALS['cfgRelation']['designer_coords']) . '
1108                    SET `db_name`    = \'' . PMA_sqlAddslashes($new_db) . '\',
1109                        `table_name` = \'' . PMA_sqlAddslashes($new_name) . '\'
1110                  WHERE `db_name`    = \'' . PMA_sqlAddslashes($old_db) . '\'
1111                    AND `table_name` = \'' . PMA_sqlAddslashes($old_name) . '\'';
1112             PMA_query_as_controluser($table_query);
1113             unset($table_query);
1114         }
1115
1116         $this->messages[] = sprintf($GLOBALS['strRenameTableOK'],
1117             htmlspecialchars($old_name), htmlspecialchars($new_name));
1118         return true;
1119     }
1120
1121     /**
1122      * Get all unique columns
1123      *
1124      * returns an array with all columns with unqiue content, in fact these are
1125      * all columns being single indexed in PRIMARY or UNIQUE
1126      *
1127      * f.e.
1128      *  - PRIMARY(id) // id
1129      *  - UNIQUE(name) // name
1130      *  - PRIMARY(fk_id1, fk_id2) // NONE
1131      *  - UNIQUE(x,y) // NONE
1132      *
1133      *
1134      * @param   boolean whether to quote name with backticks ``
1135      * @return array
1136      */
1137     public function getUniqueColumns($backquoted = true)
1138     {
1139         $sql = 'SHOW INDEX FROM ' . $this->getFullName(true) . ' WHERE Non_unique = 0';
1140         $uniques = PMA_DBI_fetch_result($sql, array('Key_name', null), 'Column_name');
1141
1142         $return = array();
1143         foreach ($uniques as $index) {
1144             if (count($index) > 1) {
1145                 continue;
1146             }
1147             $return[] = $this->getFullName($backquoted) . '.' . ($backquoted ? PMA_backquote($index[0]) : $index[0]);
1148         }
1149
1150         return $return;
1151     }
1152
1153     /**
1154      * Get all indexed columns
1155      *
1156      * returns an array with all columns make use of an index, in fact only
1157      * first columns in an index
1158      *
1159      * f.e. index(col1, col2) would only return col1
1160      * @param   boolean whether to quote name with backticks ``
1161      * @return array
1162      */
1163     public function getIndexedColumns($backquoted = true)
1164     {
1165         $sql = 'SHOW INDEX FROM ' . $this->getFullName(true) . ' WHERE Seq_in_index = 1';
1166         $indexed = PMA_DBI_fetch_result($sql, 'Column_name', 'Column_name');
1167
1168         $return = array();
1169         foreach ($indexed as $column) {
1170             $return[] = $this->getFullName($backquoted) . '.' . ($backquoted ? PMA_backquote($column) : $column);
1171         }
1172
1173         return $return;
1174     }
1175 }
1176 ?>