tbl_alter.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @version $Id$
   6  */
   7
   8 /**
   9  * Gets some core libraries
  10  */
  11 require_once './libraries/common.inc.php';
  12 require_once './libraries/Table.class.php';
  13
  14 $js_to_run = 'functions.js';
  15 require_once './libraries/header.inc.php';
  16
  17 // Check parameters
  18 PMA_checkParameters(array('db', 'table'));
  19
  20 /**
  21  * Gets tables informations
  22  */
  23 require_once './libraries/tbl_common.php';
  24 require_once './libraries/tbl_info.inc.php';
  25 /**
  26  * Displays top menu links
  27  */
  28 $active_page = 'tbl_structure.php';
  29 // I don't see the need to display the links here, they will be displayed later
  30 //require './libraries/tbl_links.inc.php';
  31
  32
  33 /**
  34  * Defines the url to return to in case of error in a sql statement
  35  */
  36 $err_url = 'tbl_structure.php?' . PMA_generate_common_url($db, $table);
  37
  38
  39 /**
  40  * Modifications have been submitted -> updates the table
  41  */
  42 $abort = false;
  43 if (isset($do_save_data)) {
  44     $field_cnt = count($field_orig);
  45     for ($i = 0; $i < $field_cnt; $i++) {
  46         // to "&quot;" in tbl_sql.php
  47         $field_orig[$i]     = urldecode($field_orig[$i]);
  48         if (strcmp(str_replace('"', '&quot;', $field_orig[$i]), $field_name[$i]) == 0) {
  49             $field_name[$i] = $field_orig[$i];
  50         }
  51         $field_default_orig[$i] = urldecode($field_default_orig[$i]);
  52         if (strcmp(str_replace('"', '&quot;', $field_default_orig[$i]), $field_default[$i]) == 0) {
  53             $field_default[$i]  = $field_default_orig[$i];
  54         }
  55         $field_length_orig[$i] = urldecode($field_length_orig[$i]);
  56         if (strcmp(str_replace('"', '&quot;', $field_length_orig[$i]), $field_length[$i]) == 0) {
  57             $field_length[$i] = $field_length_orig[$i];
  58         }
  59         if (!isset($query)) {
  60             $query = '';
  61         } else {
  62             $query .= ', CHANGE ';
  63         }
  64
  65         $query .= PMA_Table::generateAlter($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]);
  66     } // end for
  67
  68     // To allow replication, we first select the db to use and then run queries
  69     // on this db.
  70      PMA_DBI_select_db($db) or PMA_mysqlDie(PMA_DBI_getError(), 'USE ' . PMA_backquote($db) . ';', '', $err_url);
  71     // Optimization fix - 2 May 2001 - Robbat2
  72     $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
  73     $error_create = FALSE;
  74     $result    = PMA_DBI_try_query($sql_query) or $error_create = TRUE;
  75
  76     if ($error_create == FALSE) {
  77         $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
  78         $btnDrop   = 'Fake';
  79
  80         // garvin: If comments were sent, enable relation stuff
  81         require_once './libraries/relation.lib.php';
  82         require_once './libraries/transformations.lib.php';
  83
  84         $cfgRelation = PMA_getRelationsParam();
  85
  86         // take care of pmadb internal comments here
  87         // garvin: Update comment table, if a comment was set.
  88         if (PMA_MYSQL_INT_VERSION < 40100 && isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
  89             foreach ($field_comments AS $fieldindex => $fieldcomment) {
  90                 if (isset($field_name[$fieldindex]) && strlen($field_name[$fieldindex])) {
  91                     PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex], 'pmadb');
  92                 }
  93             }
  94         }
  95
  96         // garvin: Rename relations&display fields, if altered.
  97         if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
  98             foreach ($field_orig AS $fieldindex => $fieldcontent) {
  99                 if ($field_name[$fieldindex] != $fieldcontent) {
 100                     if ($cfgRelation['displaywork']) {
 101                         $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 102                                       . ' SET     display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 103                                       . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 104                                       . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
 105                                       . ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 106                         $tb_rs    = PMA_query_as_cu($table_query);
 107                         unset($table_query);
 108                         unset($tb_rs);
 109                     }
 110
 111                     if ($cfgRelation['relwork']) {
 112                         $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 113                                       . ' SET     master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 114                                       . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 115                                       . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 116                                       . ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 117                         $tb_rs    = PMA_query_as_cu($table_query);
 118                         unset($table_query);
 119                         unset($tb_rs);
 120
 121                         $table_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 122                                       . ' SET     foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
 123                                       . ' WHERE foreign_db  = \'' . PMA_sqlAddslashes($db) . '\''
 124                                       . ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
 125                                       . ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
 126                         $tb_rs    = PMA_query_as_cu($table_query);
 127                         unset($table_query);
 128                         unset($tb_rs);
 129                     } // end if relwork
 130                 } // end if fieldname has changed
 131             } // end while check fieldnames
 132         } // end if relations/display has to be changed
 133
 134         // garvin: Update comment table for mime types [MIME]
 135         if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
 136             foreach ($field_mimetype AS $fieldindex => $mimetype) {
 137                 if (isset($field_name[$fieldindex]) && strlen($field_name[$fieldindex])) {
 138                     PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
 139                 }
 140             }
 141         }
 142
 143         $active_page = 'tbl_structure.php';
 144         require './tbl_structure.php';
 145     } else {
 146         PMA_mysqlDie('', '', '', $err_url, FALSE);
 147         // garvin: An error happened while inserting/updating a table definition.
 148         // to prevent total loss of that data, we embed the form once again.
 149         // The variable $regenerate will be used to restore data in libraries/tbl_properties.inc.php
 150         if (isset($orig_field)) {
 151                 $field = $orig_field;
 152         }
 153
 154         $regenerate = true;
 155     }
 156 }
 157
 158 /**
 159  * No modifications yet required -> displays the table fields
 160  */
 161 if ($abort == FALSE) {
 162     if (!isset($selected)) {
 163         PMA_checkParameters(array('field'));
 164         $selected[]   = $field;
 165         $selected_cnt = 1;
 166     } else { // from a multiple submit
 167         $selected_cnt = count($selected);
 168     }
 169
 170     /**
 171      * @todo optimize in case of multiple fields to modify
 172      */
 173     for ($i = 0; $i < $selected_cnt; $i++) {
 174         if (!empty($submit_mult)) {
 175             $field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
 176         } else {
 177             $field = PMA_sqlAddslashes($selected[$i], TRUE);
 178         }
 179         $result        = PMA_DBI_query('SHOW FULL FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . ' LIKE \'' . $field . '\';');
 180         $fields_meta[] = PMA_DBI_fetch_assoc($result);
 181         PMA_DBI_free_result($result);
 182     }
 183     $num_fields  = count($fields_meta);
 184     $action      = 'tbl_alter.php';
 185
 186     // Get more complete field information
 187     // For now, this is done just for MySQL 4.1.2+ new TIMESTAMP options
 188     // but later, if the analyser returns more information, it
 189     // could be executed for any MySQL version and replace
 190     // the info given by SHOW FULL FIELDS FROM.
 191     /**
 192      * @todo put this code into a require()
 193      * or maybe make it part of PMA_DBI_get_fields();
 194      */
 195
 196     // We also need this to correctly learn if a TIMESTAMP is NOT NULL, since
 197     // SHOW FULL FIELDS says NULL and SHOW CREATE TABLE says NOT NULL (tested
 198     // in MySQL 4.0.25).
 199
 200     $show_create_table = PMA_DBI_fetch_value(
 201         'SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table),
 202         0, 1);
 203     $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
 204
 205     require './libraries/tbl_properties.inc.php';
 206 }
 207
 208
 209 /**
 210  * Displays the footer
 211  */
 212 require_once './libraries/footer.inc.php';
 213 ?>