phpmyadmin/tbl_structure.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Displays table structure infos like fields/columns, indexes, size, rows
   5  * and allows manipulation of indexes and columns/fields
   6  *
   7  * @package PhpMyAdmin
   8  */
   9
  10 /**
  11  *
  12  */
  13 require_once 'libraries/common.inc.php';
  14 require_once 'libraries/mysql_charsets.lib.php';
  15
  16 /**
  17  * Function implementations for this script
  18  */
  19 require_once 'libraries/structure.lib.php';
  20 require_once 'libraries/index.lib.php';
  21
  22 $response = PMA_Response::getInstance();
  23 $header   = $response->getHeader();
  24 $scripts  = $header->getScripts();
  25 $scripts->addFile('tbl_structure.js');
  26 $scripts->addFile('indexes.js');
  27
  28 /**
  29  * Handle column moving
  30  */
  31 if (isset($_REQUEST['move_columns'])
  32     && is_array($_REQUEST['move_columns'])
  33     && $response->isAjax()
  34 ) {
  35     PMA_moveColumns($db, $table);
  36     exit;
  37 }
  38
  39 /**
  40  * A click on Change has been made for one column
  41  */
  42 if (isset($_REQUEST['change_column'])) {
  43     PMA_displayHtmlForColumnChange($db, $table, null, 'tbl_structure.php');
  44     exit;
  45 }
  46 /**
  47  * Modifications have been submitted -> updates the table
  48  */
  49 if (isset($_REQUEST['do_save_data'])) {
  50     $regenerate = PMA_updateColumns($db, $table);
  51     if ($regenerate) {
  52         // This happens when updating failed
  53         // @todo: do something appropriate
  54     } else {
  55         // continue to show the table's structure
  56         unset($_REQUEST['selected']);
  57         unset($_REQUEST['true_selected']);
  58     }
  59 }
  60
  61 /**
  62  * handle multiple field commands if required
  63  *
  64  * submit_mult_*_x comes from IE if <input type="img" ...> is used
  65  */
  66 if (isset($_REQUEST['submit_mult_change_x'])) {
  67     $submit_mult = 'change';
  68 } elseif (isset($_REQUEST['submit_mult_drop_x'])) {
  69     $submit_mult = 'drop';
  70 } elseif (isset($_REQUEST['submit_mult_primary_x'])) {
  71     $submit_mult = 'primary';
  72 } elseif (isset($_REQUEST['submit_mult_index_x'])) {
  73     $submit_mult = 'index';
  74 } elseif (isset($_REQUEST['submit_mult_unique_x'])) {
  75     $submit_mult = 'unique';
  76 } elseif (isset($_REQUEST['submit_mult_spatial_x'])) {
  77     $submit_mult = 'spatial';
  78 } elseif (isset($_REQUEST['submit_mult_fulltext_x'])) {
  79     $submit_mult = 'ftext';
  80 } elseif (isset($_REQUEST['submit_mult_browse_x'])) {
  81     $submit_mult = 'browse';
  82 } elseif (isset($_REQUEST['submit_mult'])) {
  83     $submit_mult = $_REQUEST['submit_mult'];
  84 } elseif (isset($_REQUEST['mult_btn']) && $_REQUEST['mult_btn'] == __('Yes')) {
  85     $submit_mult = 'row_delete';
  86     if (isset($_REQUEST['selected'])) {
  87         $_REQUEST['selected_fld'] = $_REQUEST['selected'];
  88     }
  89 }
  90 if (! empty($submit_mult)) {
  91     if (isset($_REQUEST['selected_fld'])) {
  92         $err_url = 'tbl_structure.php?' . PMA_generate_common_url($db, $table);
  93         if ($submit_mult == 'browse') {
  94             // browsing the table displaying only selected fields/columns
  95             $GLOBALS['active_page'] = 'sql.php';
  96             $sql_query = '';
  97             foreach ($_REQUEST['selected_fld'] as $idx => $sval) {
  98                 if ($sql_query == '') {
  99                     $sql_query .= 'SELECT ' . PMA_Util::backquote($sval);
 100                 } else {
 101                     $sql_query .=  ', ' . PMA_Util::backquote($sval);
 102                 }
 103             }
 104             $sql_query .= ' FROM ' . PMA_Util::backquote($db)
 105             . '.' . PMA_Util::backquote($table);
 106             include 'sql.php';
 107             exit;
 108         } else {
 109             // handle multiple field commands
 110             // handle confirmation of deleting multiple fields/columns
 111             $action = 'tbl_structure.php';
 112             include 'libraries/mult_submits.inc.php';
 113             /**
 114              * if $submit_mult == 'change', execution will have stopped
 115              * at this point
 116              */
 117
 118             if (empty($message)) {
 119                 $message = PMA_Message::success();
 120             }
 121         }
 122     } else {
 123         $response = PMA_Response::getInstance();
 124         $response->isSuccess(false);
 125         $response->addJSON('message', __('No column selected.'));
 126     }
 127 }
 128
 129 /**
 130  * Gets the relation settings
 131  */
 132 $cfgRelation = PMA_getRelationsParam();
 133
 134 /**
 135  * Runs common work
 136  */
 137 require_once 'libraries/tbl_common.inc.php';
 138 $url_query .= '&amp;goto=tbl_structure.php&amp;back=tbl_structure.php';
 139 $url_params['goto'] = 'tbl_structure.php';
 140 $url_params['back'] = 'tbl_structure.php';
 141
 142 // Check column names for MySQL reserved words
 143 if ($cfg['ReservedWordDisableWarning'] === false) {
 144     $pma_table = new PMA_Table($table, $db);
 145     $columns = $pma_table->getReservedColumnNames();
 146     if (! empty($columns)) {
 147         foreach ($columns as $column) {
 148             $msg = PMA_message::notice(
 149                 __('The column name \'%s\' is a MySQL reserved keyword.')
 150             );
 151             $msg->addParam($column);
 152             $response->addHTML($msg);
 153         }
 154     }
 155 }
 156
 157 /**
 158  * Prepares the table structure display
 159  */
 160
 161
 162 /**
 163  * Gets tables informations
 164  */
 165 require_once 'libraries/tbl_info.inc.php';
 166
 167 require_once 'libraries/Index.class.php';
 168
 169 // 2. Gets table keys and retains them
 170 // @todo should be: $server->db($db)->table($table)->primary()
 171 $primary = PMA_Index::getPrimary($table, $db);
 172
 173 $columns_with_unique_index = array();
 174 foreach (PMA_Index::getFromTable($table, $db) as $index) {
 175     if ($index->isUnique() && $index->getChoice() == 'UNIQUE') {
 176         $columns = $index->getColumns();
 177         foreach ($columns as $column_name => $dummy) {
 178             $columns_with_unique_index[$column_name] = 1;
 179         }
 180     }
 181 }
 182 unset($index, $columns, $column_name, $dummy);
 183
 184 // 3. Get fields
 185 $fields = (array) PMA_DBI_get_columns($db, $table, null, true);
 186
 187 // Get more complete field information
 188 // For now, this is done just for MySQL 4.1.2+ new TIMESTAMP options
 189 // but later, if the analyser returns more information, it
 190 // could be executed for any MySQL version and replace
 191 // the info given by SHOW FULL COLUMNS FROM.
 192 //
 193 // We also need this to correctly learn if a TIMESTAMP is NOT NULL, since
 194 // SHOW FULL COLUMNS or INFORMATION_SCHEMA incorrectly says NULL
 195 // and SHOW CREATE TABLE says NOT NULL (tested
 196 // in MySQL 4.0.25 and 5.0.21, http://bugs.mysql.com/20910).
 197
 198 $show_create_table = PMA_DBI_fetch_value(
 199     'SHOW CREATE TABLE ' . PMA_Util::backquote($db) . '.'
 200     . PMA_Util::backquote($table),
 201     0, 1
 202 );
 203 $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
 204
 205 /**
 206  * prepare table infos
 207  */
 208 // action titles (image or string)
 209 $titles = PMA_getActionTitlesArray();
 210
 211 // hidden action titles (image and string)
 212 $hidden_titles = PMA_getHiddenTitlesArray();
 213
 214 /**
 215  * Displays the table structure ('show table' works correct since 3.23.03)
 216  */
 217 /* TABLE INFORMATION */
 218 // table header
 219
 220
 221 $HideStructureActions = '';
 222 if ($GLOBALS['cfg']['PropertiesIconic'] !== true
 223     && $GLOBALS['cfg']['HideStructureActions'] === true
 224 ) {
 225     $HideStructureActions .= ' HideStructureActions';
 226 }
 227
 228 $html_form = '<form method="post" action="tbl_structure.php" name="fieldsForm" '
 229 . 'id="fieldsForm" class="ajax' . $HideStructureActions . '">';
 230
 231 $response->addHTML($html_form);
 232 $response->addHTML(PMA_generate_common_hidden_inputs($db, $table));
 233
 234 $tabletype = '<input type="hidden" name="table_type" value=';
 235 if ($db_is_information_schema) {
 236     $tabletype .= '"information_schema" />';
 237 } else if ($tbl_is_view) {
 238     $tabletype .= '"view" />';
 239 } else {
 240     $tabletype .= '"table" />';
 241 }
 242 $response->addHTML($tabletype);
 243
 244 $tablestructure = '<table id="tablestructure" class="data">';
 245 $response->addHTML($tablestructure);
 246
 247
 248 $response->addHTML(
 249     PMA_getHtmlForTableStructureHeader(
 250         $db_is_information_schema,
 251         $tbl_is_view
 252     )
 253 );
 254
 255 $response->addHTML('<tbody>');
 256
 257 // table body
 258
 259 // prepare comments
 260 $comments_map = array();
 261 $mime_map = array();
 262
 263 if ($GLOBALS['cfg']['ShowPropertyComments']) {
 264     include_once 'libraries/transformations.lib.php';
 265     $comments_map = PMA_getComments($db, $table);
 266     if ($cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 267         $mime_map = PMA_getMIME($db, $table, true);
 268     }
 269 }
 270
 271 $rownum    = 0;
 272 $columns_list = array();
 273 $save_row  = array();
 274 $odd_row   = true;
 275 foreach ($fields as $row) {
 276     $save_row[] = $row;
 277     $rownum++;
 278     $columns_list[]   = $row['Field'];
 279
 280     $type             = $row['Type'];
 281     $extracted_columnspec = PMA_Util::extractColumnSpec($row['Type']);
 282
 283     if ('set' == $extracted_columnspec['type']
 284         || 'enum' == $extracted_columnspec['type']
 285     ) {
 286         $type_nowrap  = '';
 287     } else {
 288         $type_nowrap  = ' class="nowrap"';
 289     }
 290     $type         = $extracted_columnspec['print_type'];
 291     if (empty($type)) {
 292         $type     = ' ';
 293     }
 294
 295     $field_charset = '';
 296     if ($extracted_columnspec['can_contain_collation']
 297         && ! empty($row['Collation'])
 298     ) {
 299         $field_charset = $row['Collation'];
 300     }
 301
 302     // Display basic mimetype [MIME]
 303     if ($cfgRelation['commwork']
 304         && $cfgRelation['mimework']
 305         && $cfg['BrowseMIME']
 306         && isset($mime_map[$row['Field']]['mimetype'])
 307     ) {
 308         $type_mime = '<br />MIME: '
 309         . str_replace('_', '/', $mime_map[$row['Field']]['mimetype']);
 310     } else {
 311         $type_mime = '';
 312     }
 313
 314     $attribute = $extracted_columnspec['attribute'];
 315
 316     // prepare a common variable to reuse below; however,
 317     // in case of a VIEW, $analyzed_sql[0]['create_table_fields'] is empty
 318     if (isset($analyzed_sql[0]['create_table_fields'][$row['Field']])) {
 319         $tempField = $analyzed_sql[0]['create_table_fields'][$row['Field']];
 320     } else {
 321         $tempField = array();
 322     }
 323
 324     // MySQL 4.1.2+ TIMESTAMP options
 325     // (if on_update_current_timestamp is set, then it's TRUE)
 326     if (isset($tempField['on_update_current_timestamp'])) {
 327         $attribute = 'on update CURRENT_TIMESTAMP';
 328     }
 329
 330     // here, we have a TIMESTAMP that SHOW FULL COLUMNS reports as having the
 331     // NULL attribute, but SHOW CREATE TABLE says the contrary. Believe
 332     // the latter.
 333     if (! empty($tempField['type'])
 334         && $tempField['type'] == 'TIMESTAMP'
 335         && $tempField['timestamp_not_null']
 336     ) {
 337         $row['Null'] = '';
 338     }
 339
 340
 341     if (! isset($row['Default'])) {
 342         if ($row['Null'] == 'YES') {
 343             $row['Default'] = '<i>NULL</i>';
 344         }
 345     } else {
 346         $row['Default'] = htmlspecialchars($row['Default']);
 347     }
 348
 349     $field_encoded = urlencode($row['Field']);
 350     $field_name    = htmlspecialchars($row['Field']);
 351     $displayed_field_name = $field_name;
 352
 353     // underline commented fields and display a hover-title (CSS only)
 354
 355     if (isset($comments_map[$row['Field']])) {
 356         $displayed_field_name = '<span class="commented_column" title="'
 357         . htmlspecialchars($comments_map[$row['Field']]) . '">'
 358         . $field_name . '</span>';
 359     }
 360
 361     if ($primary && $primary->hasColumn($field_name)) {
 362         $displayed_field_name = '<u>' . $field_name . '</u>';
 363     }
 364     $response->addHTML(
 365         '<tr class="' . ($odd_row ? 'odd': 'even') . '">'
 366     );
 367     $odd_row = !$odd_row;
 368
 369     $response->addHTML(
 370         PMA_getHtmlTableStructureRow(
 371             $row, $rownum, $displayed_field_name,
 372             $type_nowrap, $extracted_columnspec, $type_mime,
 373             $field_charset, $attribute, $tbl_is_view,
 374             $db_is_information_schema, $url_query, $field_encoded, $titles, $table
 375         )
 376     );
 377
 378     if (! $tbl_is_view && ! $db_is_information_schema) {
 379         $response->addHTML(
 380             PMA_getHtmlForActionsInTableStructure(
 381                 $type, $tbl_storage_engine, $primary,
 382                 $field_name, $url_query, $titles, $row, $rownum,
 383                 $hidden_titles, $columns_with_unique_index
 384             )
 385         );
 386     } // end if (! $tbl_is_view && ! $db_is_information_schema)
 387
 388     $response->addHTML('</tr>');
 389
 390     unset($field_charset);
 391 } // end foreach
 392
 393 $response->addHTML('</tbody></table>');
 394
 395 $response->addHTML(
 396     PMA_getHtmlForCheckAllTableColumn(
 397         $pmaThemeImage, $text_dir, $tbl_is_view,
 398         $db_is_information_schema, $tbl_storage_engine
 399     )
 400 );
 401
 402 $response->addHTML(
 403     '</form><hr />'
 404 );
 405 $response->addHTML(
 406     PMA_getHtmlDivForMoveColumnsDialog()
 407 );
 408
 409 /**
 410  * Work on the table
 411  */
 412
 413 if ($tbl_is_view) {
 414     $response->addHTML(PMA_getHtmlForEditView($url_params));
 415 }
 416 $response->addHTML(
 417     PMA_getHtmlForOptionalActionLinks(
 418         $url_query, $tbl_is_view, $db_is_information_schema,
 419         $tbl_storage_engine, $cfgRelation
 420     )
 421 );
 422
 423 if (! $tbl_is_view && ! $db_is_information_schema) {
 424     $response->addHTML('<br />');
 425     $response->addHTML(PMA_getHtmlForAddColumn($columns_list));
 426     $response->addHTML(
 427         '<div id="index_div" class="ajax" >'
 428     );
 429 }
 430
 431 /**
 432  * Displays indexes
 433  */
 434
 435 if (! $tbl_is_view
 436     && ! $db_is_information_schema
 437     && 'ARCHIVE' !=  $tbl_storage_engine
 438 ) {
 439     //return the list of index
 440     $response->addJSON('indexes_list', PMA_Index::getView($GLOBALS['table'], $GLOBALS['db']));
 441     $response->addHTML(PMA_getHtmlForDisplayIndexes());
 442 }
 443
 444 /**
 445  * Displays Space usage and row statistics
 446  */
 447 // BEGIN - Calc Table Space
 448 // Get valid statistics whatever is the table type
 449 if ($cfg['ShowStats']) {
 450     //get table stats in HTML format
 451     $tablestats = PMA_getHtmlForDisplayTableStats(
 452              $showtable, $table_info_num_rows, $tbl_is_view,
 453              $db_is_information_schema, $tbl_storage_engine,
 454              $url_query, $tbl_collation
 455          );
 456     //returning the response in JSON format to be used by Ajax
 457     $response->addJSON('tableStat', $tablestats);
 458     $response->addHTML($tablestats);
 459 }
 460 // END - Calc Table Space
 461
 462 $response->addHTML(
 463     '<div class="clearfloat"></div>'
 464 );
 465
 466 ?>