tbl_alter.php3

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5
   6 /**
   7  * Gets some core libraries
   8  */
   9 require('./libraries/grab_globals.lib.php3');
  10 $js_to_run = 'functions.js';
  11 include('./header.inc.php3');
  12
  13
  14 /**
  15  * Defines the url to return to in case of error in a sql statement
  16  */
  17 $err_url = 'tbl_properties_structure.php3?' . PMA_generate_common_url($db, $table);
  18
  19
  20 /**
  21  * Modifications have been submitted -> updates the table
  22  */
  23 $abort = false;
  24 if (isset($submit)) {
  25     $field_cnt = count($field_orig);
  26     for ($i = 0; $i < $field_cnt; $i++) {
  27         if (PMA_MYSQL_INT_VERSION < 32306) {
  28             PMA_checkReservedWords($field_name[$i], $err_url);
  29         }
  30
  31         // Some fields have been urlencoded or double quotes have been translated
  32         // to "&quot;" in tbl_properties.php3
  33         $field_orig[$i]     = urldecode($field_orig[$i]);
  34         if (strcmp(str_replace('"', '&quot;', $field_orig[$i]), $field_name[$i]) == 0) {
  35             $field_name[$i] = $field_orig[$i];
  36         }
  37         $field_default_orig[$i] = urldecode($field_default_orig[$i]);
  38         if (strcmp(str_replace('"', '&quot;', $field_default_orig[$i]), $field_default[$i]) == 0) {
  39             $field_default[$i]  = $field_default_orig[$i];
  40         }
  41         $field_length_orig[$i] = urldecode($field_length_orig[$i]);
  42         if (strcmp(str_replace('"', '&quot;', $field_length_orig[$i]), $field_length[$i]) == 0) {
  43             $field_length[$i] = $field_length_orig[$i];
  44         }
  45         if (!isset($query)) {
  46             $query = '';
  47         } else {
  48             $query .= ', CHANGE ';
  49         }
  50         $query .= PMA_backquote($field_orig[$i]) . ' ' . PMA_backquote($field_name[$i]) . ' ' . $field_type[$i];
  51         // Some field types shouldn't have lengths
  52         if ($field_length[$i] != ''
  53             && !eregi('^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$', $field_type[$i])) {
  54             $query .= '(' . $field_length[$i] . ')';
  55         }
  56         if ($field_attribute[$i] != '') {
  57             $query .= ' ' . $field_attribute[$i];
  58         }
  59         if ($field_default[$i] != '') {
  60             if (strtoupper($field_default[$i]) == 'NULL') {
  61                 $query .= ' DEFAULT NULL';
  62             } else {
  63                 $query .= ' DEFAULT \'' . PMA_sqlAddslashes($field_default[$i]) . '\'';
  64             }
  65         }
  66         if ($field_null[$i] != '') {
  67             $query .= ' ' . $field_null[$i];
  68         }
  69         if ($field_extra[$i] != '') {
  70             $query .= ' ' . $field_extra[$i];
  71         }
  72     } // end for
  73
  74     // To allow replication, we first select the db to use and then run queries
  75     // on this db.
  76     $sql_query     = 'USE ' . PMA_backquote($db);
  77     $result        = PMA_mysql_query($sql_query) or PMA_mysqlDie('', '', '', $err_url);
  78     // Optimization fix - 2 May 2001 - Robbat2
  79     $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
  80     $error_create = false;
  81     $result    = PMA_mysql_query($sql_query) or $error_create = true;
  82
  83     if ($error_create == false) {
  84         $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
  85         $btnDrop   = 'Fake';
  86
  87         // garvin: If comments were sent, enable relation stuff
  88         require('./libraries/relation.lib.php3');
  89         require('./libraries/transformations.lib.php3');
  90
  91         $cfgRelation = PMA_getRelationsParam();
  92
  93         // garvin: Update comment table, if a comment was set.
  94         if (isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
  95             @reset($field_comments);
  96             while(list($fieldindex, $fieldcomment) = each($field_comments)) {
  97                 PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex]);
  98             }
  99         }
 100
 101         // garvin: Rename relations&display fields, if altered.
 102         if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
 103             @reset($field_orig);
 104             while(list($fieldindex, $fieldcontent) = each($field_orig)) {
 105                 if ($field_name[$fieldindex] != $fieldcontent) {
 106                     if ($cfgRelation['displaywork']) {
 107                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
 108                                       . ' SET     display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 109                                       . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 110                                       . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
 111                                       . ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 112                         $tb_rs    = PMA_query_as_cu($table_query);
 113                         unset($table_query);
 114                         unset($tb_rs);
 115                     }
 116
 117                     if ($cfgRelation['relwork']) {
 118                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 119                                       . ' SET     master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 120                                       . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 121                                       . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 122                                       . ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 123                         $tb_rs    = PMA_query_as_cu($table_query);
 124                         unset($table_query);
 125                         unset($tb_rs);
 126
 127                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 128                                       . ' SET     foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 129                                       . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($db) . '\''
 130                                       . ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
 131                                       . ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 132                         $tb_rs    = PMA_query_as_cu($table_query);
 133                         unset($table_query);
 134                         unset($tb_rs);
 135                     } // end if relwork
 136                 } // end if fieldname has changed
 137             } // end while check fieldnames
 138         } // end if relations/display has to be changed
 139
 140         // garvin: Update comment table for mime types [MIME]
 141         if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 142             @reset($field_mimetype);
 143             while(list($fieldindex, $mimetype) = each($field_mimetype)) {
 144                 PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
 145             }
 146         }
 147
 148         $active_page = 'tbl_properties_structure.php3';
 149         include('./tbl_properties_structure.php3');
 150         exit();
 151     } else {
 152         PMA_mysqlDie('', '', '', $err_url, FALSE);
 153         // garvin: An error happened while inserting/updating a table definition.
 154         // to prevent total loss of that data, we embed the form once again.
 155         // The variable $regenerate will be used to restore data in tbl_properties.inc.php3
 156         if (isset($orig_field)) {
 157                 $field = $orig_field;
 158         }
 159
 160         $regenerate = true;
 161     }
 162 }
 163
 164 /**
 165  * No modifications yet required -> displays the table fields
 166  */
 167 if ($abort == FALSE) {
 168     if (!isset($selected)) {
 169         $selected[]   = $field;
 170         $selected_cnt = 1;
 171     } else { // from a multiple submit
 172         $selected_cnt = count($selected);
 173     }
 174
 175     // TODO: optimize in case of multiple fields to modify
 176     for ($i = 0; $i < $selected_cnt; $i++) {
 177         if (!empty($submit_mult)) {
 178             $field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
 179         } else {
 180             $field = PMA_sqlAddslashes($selected[$i], TRUE);
 181         }
 182         $local_query   = 'SHOW FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . " LIKE '$field'";
 183         $result        = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url);
 184         $fields_meta[] = PMA_mysql_fetch_array($result);
 185         mysql_free_result($result);
 186     }
 187
 188     $num_fields  = count($fields_meta);
 189     $action      = 'tbl_alter.php3';
 190     include('./tbl_properties.inc.php3');
 191 }
 192
 193
 194 /**
 195  * Displays the footer
 196  */
 197 require('./footer.inc.php3');
 198 ?>