[Sommaire] [Imprimer]

   1  <?php
   2  /* $Id: tbl_alter.php 9601 2006-10-25 10:55:20Z nijel $ */
   3  // vim: expandtab sw=4 ts=4 sts=4:
   4  
   5  /**
   6   * Gets some core libraries
   7   */
   8  require_once ('./libraries/common.lib.php');
   9  require_once ('./libraries/Table.class.php');
  10  
  11  $js_to_run = 'functions.js';
  12  require_once ('./libraries/header.inc.php');
  13  
  14  // Check parameters
  15  PMA_checkParameters(array('db', 'table'));
  16  
  17  /**
  18   * Gets tables informations
  19   */
  20  require_once ('./libraries/tbl_common.php');
  21  require_once ('./libraries/tbl_info.inc.php');
  22  /**
  23   * Displays top menu links
  24   */
  25  $active_page = 'tbl_structure.php';
  26  // I don't see the need to display the links here, they will be displayed later
  27  //require('./libraries/tbl_links.inc.php');
  28  
  29  
  30  /**
  31   * Defines the url to return to in case of error in a sql statement
  32   */
  33  $err_url = 'tbl_structure.php?' . PMA_generate_common_url($db, $table);
  34  
  35  
  36  /**
  37   * Modifications have been submitted -> updates the table
  38   */
  39  $abort = false;
  40  if (isset($do_save_data)) {
  41      $field_cnt = count($field_orig);
  42      for ($i = 0; $i < $field_cnt; $i++) {
  43          // to "&quot;" in tbl_sql.php
  44          $field_orig[$i]     = urldecode($field_orig[$i]);
  45          if (strcmp(str_replace('"', '&quot;', $field_orig[$i]), $field_name[$i]) == 0) {
  46              $field_name[$i] = $field_orig[$i];
  47          }
  48          $field_default_orig[$i] = urldecode($field_default_orig[$i]);
  49          if (strcmp(str_replace('"', '&quot;', $field_default_orig[$i]), $field_default[$i]) == 0) {
  50              $field_default[$i]  = $field_default_orig[$i];
  51          }
  52          $field_length_orig[$i] = urldecode($field_length_orig[$i]);
  53          if (strcmp(str_replace('"', '&quot;', $field_length_orig[$i]), $field_length[$i]) == 0) {
  54              $field_length[$i] = $field_length_orig[$i];
  55          }
  56          if (!isset($query)) {
  57              $query = '';
  58          } else {
  59              $query .= ', CHANGE ';
  60          }
  61  
  62          $query .= PMA_Table::generateAlter($field_orig[$i], $field_name[$i], $field_type[$i], $field_length[$i], $field_attribute[$i], isset($field_collation[$i]) ? $field_collation[$i] : '', $field_null[$i], $field_default[$i], isset($field_default_current_timestamp[$i]), $field_extra[$i], (isset($field_comments[$i]) ? $field_comments[$i] : ''), $field_default_orig[$i]);
  63      } // end for
  64  
  65      // To allow replication, we first select the db to use and then run queries
  66      // on this db.
  67       PMA_DBI_select_db($db) or PMA_mysqlDie(PMA_DBI_getError(), 'USE ' . PMA_backquote($db) . ';', '', $err_url);
  68      // Optimization fix - 2 May 2001 - Robbat2
  69      $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
  70      $error_create = FALSE;
  71      $result    = PMA_DBI_try_query($sql_query) or $error_create = TRUE;
  72  
  73      if ($error_create == FALSE) {
  74          $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
  75          $btnDrop   = 'Fake';
  76  
  77          // garvin: If comments were sent, enable relation stuff
  78          require_once ('./libraries/relation.lib.php');
  79          require_once ('./libraries/transformations.lib.php');
  80  
  81          $cfgRelation = PMA_getRelationsParam();
  82  
  83          // take care of pmadb internal comments here
  84          // garvin: Update comment table, if a comment was set.
  85          if (PMA_MYSQL_INT_VERSION < 40100 && isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
  86              foreach ($field_comments AS $fieldindex => $fieldcomment) {
  87                  if (isset($field_name[$fieldindex]) && strlen($field_name[$fieldindex])) {
  88                      PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex], 'pmadb');
  89                  }
  90              }
  91          }
  92  
  93          // garvin: Rename relations&display fields, if altered.
  94          if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
  95              foreach ($field_orig AS $fieldindex => $fieldcontent) {
  96                  if ($field_name[$fieldindex] != $fieldcontent) {
  97                      if ($cfgRelation['displaywork']) {
  98                          $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
  99                                        . ' SET     display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 100                                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 101                                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
 102                                        . ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 103                          $tb_rs    = PMA_query_as_cu($table_query);
 104                          unset($table_query);
 105                          unset($tb_rs);
 106                      }
 107  
 108                      if ($cfgRelation['relwork']) {
 109                          $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 110                                        . ' SET     master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 111                                        . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 112                                        . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 113                                        . ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 114                          $tb_rs    = PMA_query_as_cu($table_query);
 115                          unset($table_query);
 116                          unset($tb_rs);
 117  
 118                          $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 119                                        . ' SET     foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 120                                        . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($db) . '\''
 121                                        . ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
 122                                        . ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 123                          $tb_rs    = PMA_query_as_cu($table_query);
 124                          unset($table_query);
 125                          unset($tb_rs);
 126                      } // end if relwork
 127                  } // end if fieldname has changed
 128              } // end while check fieldnames
 129          } // end if relations/display has to be changed
 130  
 131          // garvin: Update comment table for mime types [MIME]
 132          if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 133              foreach ($field_mimetype AS $fieldindex => $mimetype) {
 134                  if (isset($field_name[$fieldindex]) && strlen($field_name[$fieldindex])) {
 135                      PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
 136                  }
 137              }
 138          }
 139  
 140          $active_page = 'tbl_structure.php';
 141          require ('./tbl_structure.php');
 142      } else {
 143          PMA_mysqlDie('', '', '', $err_url, FALSE);
 144          // garvin: An error happened while inserting/updating a table definition.
 145          // to prevent total loss of that data, we embed the form once again.
 146          // The variable $regenerate will be used to restore data in libraries/tbl_properties.inc.php
 147          if (isset($orig_field)) {
 148                  $field = $orig_field;
 149          }
 150  
 151          $regenerate = true;
 152      }
 153  }
 154  
 155  /**
 156   * No modifications yet required -> displays the table fields
 157   */
 158  if ($abort == FALSE) {
 159      if (!isset($selected)) {
 160          PMA_checkParameters(array('field'));
 161          $selected[]   = $field;
 162          $selected_cnt = 1;
 163      } else { // from a multiple submit
 164          $selected_cnt = count($selected);
 165      }
 166  
 167      /**
 168       * @todo optimize in case of multiple fields to modify
 169       */
 170      for ($i = 0; $i < $selected_cnt; $i++) {
 171          if (!empty($submit_mult)) {
 172              $field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
 173          } else {
 174              $field = PMA_sqlAddslashes($selected[$i], TRUE);
 175          }
 176          $result        = PMA_DBI_query('SHOW FULL FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . ' LIKE \'' . $field . '\';');
 177          $fields_meta[] = PMA_DBI_fetch_assoc($result);
 178          PMA_DBI_free_result($result);
 179      }
 180      $num_fields  = count($fields_meta);
 181      $action      = 'tbl_alter.php';
 182  
 183      // Get more complete field information
 184      // For now, this is done just for MySQL 4.1.2+ new TIMESTAMP options
 185      // but later, if the analyser returns more information, it
 186      // could be executed for any MySQL version and replace
 187      // the info given by SHOW FULL FIELDS FROM.
 188      /**
 189       * @todo put this code into a require()
 190       * or maybe make it part of PMA_DBI_get_fields();
 191       */
 192  
 193      // We also need this to correctly learn if a TIMESTAMP is NOT NULL, since
 194      // SHOW FULL FIELDS says NULL and SHOW CREATE TABLE says NOT NULL (tested
 195      // in MySQL 4.0.25).
 196  
 197      $show_create_table = PMA_DBI_fetch_value(
 198          'SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table),
 199          0, 1 );
 200      $analyzed_sql = PMA_SQP_analyze( PMA_SQP_parse( $show_create_table ) );
 201  
 202      require ('./libraries/tbl_properties.inc.php');
 203  }
 204  
 205  
 206  /**
 207   * Displays the footer
 208   */
 209  require_once ('./libraries/footer.inc.php');
 210  ?>