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 // Check parameters
  14 PMA_checkParameters(array('db', 'table'));
  15
  16 /**
  17  * Defines the url to return to in case of error in a sql statement
  18  */
  19 $err_url = 'tbl_properties_structure.php3?' . PMA_generate_common_url($db, $table);
  20
  21
  22 /**
  23  * Modifications have been submitted -> updates the table
  24  */
  25 $abort = false;
  26 if (isset($submit)) {
  27     $field_cnt = count($field_orig);
  28     for ($i = 0; $i < $field_cnt; $i++) {
  29         if (PMA_MYSQL_INT_VERSION < 32306) {
  30             PMA_checkReservedWords($field_name[$i], $err_url);
  31         }
  32
  33         // Some fields have been urlencoded or double quotes have been translated
  34         // to "&quot;" in tbl_properties.php3
  35         $field_orig[$i]     = urldecode($field_orig[$i]);
  36         if (strcmp(str_replace('"', '&quot;', $field_orig[$i]), $field_name[$i]) == 0) {
  37             $field_name[$i] = $field_orig[$i];
  38         }
  39         $field_default_orig[$i] = urldecode($field_default_orig[$i]);
  40         if (strcmp(str_replace('"', '&quot;', $field_default_orig[$i]), $field_default[$i]) == 0) {
  41             $field_default[$i]  = $field_default_orig[$i];
  42         }
  43         $field_length_orig[$i] = urldecode($field_length_orig[$i]);
  44         if (strcmp(str_replace('"', '&quot;', $field_length_orig[$i]), $field_length[$i]) == 0) {
  45             $field_length[$i] = $field_length_orig[$i];
  46         }
  47         if (!isset($query)) {
  48             $query = '';
  49         } else {
  50             $query .= ', CHANGE ';
  51         }
  52         $query .= PMA_backquote($field_orig[$i]) . ' ' . PMA_backquote($field_name[$i]) . ' ' . $field_type[$i];
  53         // Some field types shouldn't have lengths
  54         if ($field_length[$i] != ''
  55             && !eregi('^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$', $field_type[$i])) {
  56             $query .= '(' . $field_length[$i] . ')';
  57         }
  58         if ($field_attribute[$i] != '') {
  59             $query .= ' ' . $field_attribute[$i];
  60         } else if (PMA_MYSQL_INT_VERSION >= 40100 && $field_charset[$i] != '') {
  61             $query .= ' CHARACTER SET ' . $field_charset[$i];
  62         }
  63         if ($field_default[$i] != '') {
  64             if (strtoupper($field_default[$i]) == 'NULL') {
  65                 $query .= ' DEFAULT NULL';
  66             } else {
  67                 $query .= ' DEFAULT \'' . PMA_sqlAddslashes($field_default[$i]) . '\'';
  68             }
  69         }
  70         if ($field_null[$i] != '') {
  71             $query .= ' ' . $field_null[$i];
  72         }
  73         if ($field_extra[$i] != '') {
  74             $query .= ' ' . $field_extra[$i];
  75         }
  76     } // end for
  77
  78     // To allow replication, we first select the db to use and then run queries
  79     // on this db.
  80     $sql_query     = 'USE ' . PMA_backquote($db);
  81     $result        = PMA_mysql_query($sql_query) or PMA_mysqlDie('', '', '', $err_url);
  82     // Optimization fix - 2 May 2001 - Robbat2
  83     $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
  84     $error_create = false;
  85     $result    = PMA_mysql_query($sql_query) or $error_create = true;
  86
  87     if ($error_create == false) {
  88         $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
  89         $btnDrop   = 'Fake';
  90
  91         // garvin: If comments were sent, enable relation stuff
  92         require('./libraries/relation.lib.php3');
  93         require('./libraries/transformations.lib.php3');
  94
  95         $cfgRelation = PMA_getRelationsParam();
  96
  97         // garvin: Update comment table, if a comment was set.
  98         if (isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
  99             @reset($field_comments);
 100             while(list($fieldindex, $fieldcomment) = each($field_comments)) {
 101                 PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex]);
 102             }
 103         }
 104
 105         // garvin: Rename relations&display fields, if altered.
 106         if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
 107             @reset($field_orig);
 108             while(list($fieldindex, $fieldcontent) = each($field_orig)) {
 109                 if ($field_name[$fieldindex] != $fieldcontent) {
 110                     if ($cfgRelation['displaywork']) {
 111                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
 112                                       . ' SET     display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 113                                       . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 114                                       . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
 115                                       . ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 116                         $tb_rs    = PMA_query_as_cu($table_query);
 117                         unset($table_query);
 118                         unset($tb_rs);
 119                     }
 120
 121                     if ($cfgRelation['relwork']) {
 122                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 123                                       . ' SET     master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 124                                       . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 125                                       . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 126                                       . ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 127                         $tb_rs    = PMA_query_as_cu($table_query);
 128                         unset($table_query);
 129                         unset($tb_rs);
 130
 131                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 132                                       . ' SET     foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 133                                       . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($db) . '\''
 134                                       . ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
 135                                       . ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 136                         $tb_rs    = PMA_query_as_cu($table_query);
 137                         unset($table_query);
 138                         unset($tb_rs);
 139                     } // end if relwork
 140                 } // end if fieldname has changed
 141             } // end while check fieldnames
 142         } // end if relations/display has to be changed
 143
 144         // garvin: Update comment table for mime types [MIME]
 145         if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 146             @reset($field_mimetype);
 147             while(list($fieldindex, $mimetype) = each($field_mimetype)) {
 148                 PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
 149             }
 150         }
 151
 152         $active_page = 'tbl_properties_structure.php3';
 153         include('./tbl_properties_structure.php3');
 154         exit();
 155     } else {
 156         PMA_mysqlDie('', '', '', $err_url, FALSE);
 157         // garvin: An error happened while inserting/updating a table definition.
 158         // to prevent total loss of that data, we embed the form once again.
 159         // The variable $regenerate will be used to restore data in tbl_properties.inc.php3
 160         if (isset($orig_field)) {
 161                 $field = $orig_field;
 162         }
 163
 164         $regenerate = true;
 165     }
 166 }
 167
 168 /**
 169  * No modifications yet required -> displays the table fields
 170  */
 171 if ($abort == FALSE) {
 172     if (!isset($selected)) {
 173         PMA_checkParameters(array('field'));
 174         $selected[]   = $field;
 175         $selected_cnt = 1;
 176     } else { // from a multiple submit
 177         $selected_cnt = count($selected);
 178     }
 179
 180     // TODO: optimize in case of multiple fields to modify
 181     for ($i = 0; $i < $selected_cnt; $i++) {
 182         if (!empty($submit_mult)) {
 183             $field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
 184         } else {
 185             $field = PMA_sqlAddslashes($selected[$i], TRUE);
 186         }
 187         $local_query   = 'SHOW FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . " LIKE '$field'";
 188         $result        = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url);
 189         $fields_meta[] = PMA_mysql_fetch_array($result);
 190         mysql_free_result($result);
 191     }
 192
 193     $num_fields  = count($fields_meta);
 194     $action      = 'tbl_alter.php3';
 195     include('./tbl_properties.inc.php3');
 196 }
 197
 198
 199 /**
 200  * Displays the footer
 201  */
 202 require('./footer.inc.php3');
 203 ?>