tbl_alter.php

   1 <?php
   2 /* $Id$ */
   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 ?>