tbl_alter.php

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