interface/main/myadmin/tbl_alter.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5
   6 /**
   7  * Gets some core libraries
   8  */
   9 require_once('./libraries/grab_globals.lib.php');
  10 $js_to_run = 'functions.js';
  11 require_once('./header.inc.php');
  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 $err_url = 'tbl_properties_structure.php?' . PMA_generate_common_url($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         // to "&quot;" in tbl_properties.php
  30         $field_orig[$i]     = urldecode($field_orig[$i]);
  31         if (strcmp(str_replace('"', '&quot;', $field_orig[$i]), $field_name[$i]) == 0) {
  32             $field_name[$i] = $field_orig[$i];
  33         }
  34         $field_default_orig[$i] = urldecode($field_default_orig[$i]);
  35         if (strcmp(str_replace('"', '&quot;', $field_default_orig[$i]), $field_default[$i]) == 0) {
  36             $field_default[$i]  = $field_default_orig[$i];
  37         }
  38         $field_length_orig[$i] = urldecode($field_length_orig[$i]);
  39         if (strcmp(str_replace('"', '&quot;', $field_length_orig[$i]), $field_length[$i]) == 0) {
  40             $field_length[$i] = $field_length_orig[$i];
  41         }
  42         if (!isset($query)) {
  43             $query = '';
  44         } else {
  45             $query .= ', CHANGE ';
  46         }
  47         $query .= PMA_backquote($field_orig[$i]) . ' ' . PMA_backquote($field_name[$i]) . ' ' . $field_type[$i];
  48         // Some field types shouldn't have lengths
  49         if ($field_length[$i] != ''
  50             && !preg_match('@^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$@i', $field_type[$i])) {
  51             $query .= '(' . $field_length[$i] . ')';
  52         }
  53         if ($field_attribute[$i] != '') {
  54             $query .= ' ' . $field_attribute[$i];
  55         } else if (PMA_MYSQL_INT_VERSION >= 40100 && $field_charset[$i] != '') {
  56             $query .= ' CHARACTER SET ' . $field_charset[$i];
  57         }
  58         if ($field_default[$i] != '') {
  59             if (strtoupper($field_default[$i]) == 'NULL') {
  60                 $query .= ' DEFAULT NULL';
  61             } else {
  62                 $query .= ' DEFAULT \'' . PMA_sqlAddslashes($field_default[$i]) . '\'';
  63             }
  64         }
  65         if ($field_null[$i] != '') {
  66             $query .= ' ' . $field_null[$i];
  67         }
  68         if ($field_extra[$i] != '') {
  69             $query .= ' ' . $field_extra[$i];
  70         }
  71     } // end for
  72
  73     // To allow replication, we first select the db to use and then run queries
  74     // on this db.
  75     $sql_query     = 'USE ' . PMA_backquote($db);
  76     $result        = PMA_mysql_query($sql_query) or PMA_mysqlDie('', '', '', $err_url);
  77     // Optimization fix - 2 May 2001 - Robbat2
  78     $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
  79     $error_create = false;
  80     $result    = PMA_mysql_query($sql_query) or $error_create = true;
  81
  82     if ($error_create == false) {
  83         $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
  84         $btnDrop   = 'Fake';
  85
  86         // garvin: If comments were sent, enable relation stuff
  87         require_once('./libraries/relation.lib.php');
  88         require_once('./libraries/transformations.lib.php');
  89
  90         $cfgRelation = PMA_getRelationsParam();
  91
  92         // garvin: Update comment table, if a comment was set.
  93         if (isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
  94             foreach($field_comments AS $fieldindex => $fieldcomment) {
  95                 PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex]);
  96             }
  97         }
  98
  99         // garvin: Rename relations&display fields, if altered.
 100         if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
 101             foreach($field_orig AS $fieldindex => $fieldcontent) {
 102                 if ($field_name[$fieldindex] != $fieldcontent) {
 103                     if ($cfgRelation['displaywork']) {
 104                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
 105                                       . ' SET     display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 106                                       . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 107                                       . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
 108                                       . ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 109                         $tb_rs    = PMA_query_as_cu($table_query);
 110                         unset($table_query);
 111                         unset($tb_rs);
 112                     }
 113
 114                     if ($cfgRelation['relwork']) {
 115                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 116                                       . ' SET     master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 117                                       . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 118                                       . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 119                                       . ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 120                         $tb_rs    = PMA_query_as_cu($table_query);
 121                         unset($table_query);
 122                         unset($tb_rs);
 123
 124                         $table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
 125                                       . ' SET     foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 126                                       . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($db) . '\''
 127                                       . ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
 128                                       . ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 129                         $tb_rs    = PMA_query_as_cu($table_query);
 130                         unset($table_query);
 131                         unset($tb_rs);
 132                     } // end if relwork
 133                 } // end if fieldname has changed
 134             } // end while check fieldnames
 135         } // end if relations/display has to be changed
 136
 137         // garvin: Update comment table for mime types [MIME]
 138         if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 139             foreach($field_mimetype AS $fieldindex => $mimetype) {
 140                 PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
 141             }
 142         }
 143
 144         $active_page = 'tbl_properties_structure.php';
 145         require('./tbl_properties_structure.php');
 146     } else {
 147         PMA_mysqlDie('', '', '', $err_url, FALSE);
 148         // garvin: An error happened while inserting/updating a table definition.
 149         // to prevent total loss of that data, we embed the form once again.
 150         // The variable $regenerate will be used to restore data in tbl_properties.inc.php
 151         if (isset($orig_field)) {
 152                 $field = $orig_field;
 153         }
 154
 155         $regenerate = true;
 156     }
 157 }
 158
 159 /**
 160  * No modifications yet required -> displays the table fields
 161  */
 162 if ($abort == FALSE) {
 163     if (!isset($selected)) {
 164         PMA_checkParameters(array('field'));
 165         $selected[]   = $field;
 166         $selected_cnt = 1;
 167     } else { // from a multiple submit
 168         $selected_cnt = count($selected);
 169     }
 170
 171     // TODO: optimize in case of multiple fields to modify
 172     for ($i = 0; $i < $selected_cnt; $i++) {
 173         if (!empty($submit_mult)) {
 174             $field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
 175         } else {
 176             $field = PMA_sqlAddslashes($selected[$i], TRUE);
 177         }
 178         $local_query   = 'SHOW FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . " LIKE '$field'";
 179         $result        = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url);
 180         $fields_meta[] = PMA_mysql_fetch_array($result);
 181         mysql_free_result($result);
 182     }
 183
 184     $num_fields  = count($fields_meta);
 185     $action      = 'tbl_alter.php';
 186     require('./tbl_properties.inc.php');
 187 }
 188
 189
 190 /**
 191  * Displays the footer
 192  */
 193 require_once('./footer.inc.php');
 194 ?>