tbl_addfield.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @version $Id$
   6  */
   7
   8 /**
   9  * Get some core libraries
  10  */
  11 require_once './libraries/common.inc.php';
  12 require_once './libraries/Table.class.php';
  13
  14 $GLOBALS['js_include'][] = 'functions.js';
  15 require_once './libraries/header.inc.php';
  16
  17 // Check parameters
  18 PMA_checkParameters(array('db', 'table'));
  19
  20
  21 /**
  22  * Defines the url to return to in case of error in a sql statement
  23  */
  24 $err_url = 'tbl_sql.php?' . PMA_generate_common_url($db, $table);
  25
  26 /**
  27  * The form used to define the field to add has been submitted
  28  */
  29 $abort = false;
  30
  31 // check number of fields to be created
  32 if (isset($_REQUEST['submit_num_fields'])) {
  33     if (isset($_REQUEST['orig_after_field'])) {
  34         $_REQUEST['after_field'] = $_REQUEST['orig_after_field'];
  35     }
  36     if (isset($_REQUEST['orig_field_where'])) {
  37         $_REQUEST['field_where'] = $_REQUEST['orig_field_where'];
  38     }
  39     $num_fields = $_REQUEST['orig_num_fields'] + $_REQUEST['added_fields'];
  40     $regenerate = true;
  41 } elseif (isset($_REQUEST['num_fields']) && intval($_REQUEST['num_fields']) > 0) {
  42     $num_fields = (int) $_REQUEST['num_fields'];
  43 } else {
  44     $num_fields = 1;
  45 }
  46
  47 if (isset($_REQUEST['do_save_data'])) {
  48     $query = '';
  49     $definitions = array();
  50
  51     // Transforms the radio button field_key into 3 arrays
  52     $field_cnt      = count($_REQUEST['field_name']);
  53     $field_primary  = array();
  54     $field_index    = array();
  55     $field_unique   = array();
  56     for ($i = 0; $i < $field_cnt; ++$i) {
  57         if (isset($_REQUEST['field_key'][$i])
  58          && strlen($_REQUEST['field_name'][$i])) {
  59             if ($_REQUEST['field_key'][$i] == 'primary_' . $i) {
  60                 $field_primary[] = $i;
  61             }
  62             if ($_REQUEST['field_key'][$i] == 'index_' . $i) {
  63                 $field_index[]   = $i;
  64             }
  65             if ($_REQUEST['field_key'][$i] == 'unique_' . $i) {
  66                 $field_unique[]  = $i;
  67             }
  68         } // end if
  69     } // end for
  70
  71     // Builds the field creation statement and alters the table
  72     for ($i = 0; $i < $field_cnt; ++$i) {
  73         // '0' is also empty for php :-(
  74         if (empty($_REQUEST['field_name'][$i]) && $_REQUEST['field_name'][$i] != '0') {
  75             continue;
  76         }
  77
  78         $definition = ' ADD ' . PMA_Table::generateFieldSpec(
  79             $_REQUEST['field_name'][$i],
  80             $_REQUEST['field_type'][$i],
  81             $_REQUEST['field_length'][$i],
  82             $_REQUEST['field_attribute'][$i],
  83             isset($_REQUEST['field_collation'][$i])
  84                 ? $_REQUEST['field_collation'][$i]
  85                 : '',
  86             isset($_REQUEST['field_null'][$i])
  87                 ? $_REQUEST['field_null'][$i]
  88                 : 'NOT NULL',
  89             $_REQUEST['field_default_type'][$i],
  90             $_REQUEST['field_default_value'][$i],
  91             isset($_REQUEST['field_extra'][$i])
  92                 ? $_REQUEST['field_extra'][$i]
  93                 : false,
  94             isset($_REQUEST['field_comments'][$i])
  95                 ? $_REQUEST['field_comments'][$i]
  96                 : '',
  97             $field_primary,
  98             $i
  99         );
 100
 101         if ($_REQUEST['field_where'] != 'last') {
 102             // Only the first field can be added somewhere other than at the end
 103             if ($i == 0) {
 104                 if ($_REQUEST['field_where'] == 'first') {
 105                     $definition .= ' FIRST';
 106                 } else {
 107                     $definition .= ' AFTER ' . PMA_backquote($_REQUEST['after_field']);
 108                 }
 109             } else {
 110                 $definition .= ' AFTER ' . PMA_backquote($_REQUEST['field_name'][$i-1]);
 111             }
 112         }
 113         $definitions[] = $definition;
 114     } // end for
 115
 116     // Builds the primary keys statements and updates the table
 117     if (count($field_primary)) {
 118         $fields = array();
 119         foreach ($field_primary as $field_nr) {
 120             $fields[] = $_REQUEST['field_name'][$field_nr];
 121         }
 122         $definitions[] = ' ADD PRIMARY KEY (' . implode(', ', $fields) . ') ';
 123     }
 124
 125     // Builds the indexes statements and updates the table
 126     if (count($field_index)) {
 127         $fields = array();
 128         foreach ($field_index as $field_nr) {
 129             $fields[] = $_REQUEST['field_name'][$field_nr];
 130         }
 131         $definitions[] = ' ADD INDEX (' . implode(', ', $fields) . ') ';
 132     }
 133
 134     // Builds the uniques statements and updates the table
 135     if (count($field_unique)) {
 136         $fields = array();
 137         foreach ($field_unique as $field_nr) {
 138             $fields[] = $_REQUEST['field_name'][$field_nr];
 139         }
 140         $definitions[] = ' ADD UNIQUE (' . implode(', ', $fields) . ') ';
 141     }
 142
 143     // Builds the fulltext statements and updates the table
 144     if (isset($field_fulltext) && count($field_fulltext)) {
 145         $fields = array();
 146         foreach ($field_fulltext as $field_nr) {
 147             $fields[] = $_REQUEST['field_name'][$field_nr];
 148         }
 149         $definitions[] = ' ADD FULLTEXT (' . implode(', ', $fields) . ') ';
 150     }
 151
 152     // To allow replication, we first select the db to use and then run queries
 153     // on this db.
 154     PMA_DBI_select_db($db) or PMA_mysqlDie(PMA_getError(), 'USE ' . PMA_backquotes($db), '', $err_url);
 155     $sql_query    = 'ALTER TABLE ' . PMA_backquote($table) . ' ' . implode(', ', $definitions);
 156     $result = PMA_DBI_try_query($sql_query);
 157
 158     if ($result === true) {
 159         // garvin: If comments were sent, enable relation stuff
 160         require_once './libraries/relation.lib.php';
 161         require_once './libraries/transformations.lib.php';
 162
 163         // garvin: Update comment table for mime types [MIME]
 164         if (isset($_REQUEST['field_mimetype'])
 165          && is_array($_REQUEST['field_mimetype'])
 166          && $cfg['BrowseMIME']) {
 167             foreach ($_REQUEST['field_mimetype'] as $fieldindex => $mimetype) {
 168                 if (isset($_REQUEST['field_name'][$fieldindex])
 169                  && strlen($_REQUEST['field_name'][$fieldindex])) {
 170                     PMA_setMIME($db, $table,
 171                         $_REQUEST['field_name'][$fieldindex],
 172                         $mimetype,
 173                         $_REQUEST['field_transformation'][$fieldindex],
 174                         $_REQUEST['field_transformation_options'][$fieldindex]);
 175                 }
 176             }
 177         }
 178
 179         // Go back to the structure sub-page
 180         $message = PMA_Message::success('strTableAlteredSuccessfully');
 181         $message->addParam($table);
 182         $active_page = 'tbl_structure.php';
 183         require './tbl_structure.php';
 184     } else {
 185         PMA_mysqlDie('', '', '', $err_url, false);
 186         // garvin: An error happened while inserting/updating a table definition.
 187         // to prevent total loss of that data, we embed the form once again.
 188         // The variable $regenerate will be used to restore data in libraries/tbl_properties.inc.php
 189         $num_fields = $_REQUEST['orig_num_fields'];
 190         if (isset($_REQUEST['orig_after_field'])) {
 191             $_REQUEST['after_field'] = $_REQUEST['orig_after_field'];
 192         }
 193         if (isset($_REQUEST['orig_field_where'])) {
 194             $_REQUEST['field_where'] = $_REQUEST['orig_field_where'];
 195         }
 196         $regenerate = true;
 197     }
 198 } // end do alter table
 199
 200 /**
 201  * Displays the form used to define the new field
 202  */
 203 if ($abort == false) {
 204     /**
 205      * Gets tables informations
 206      */
 207     require_once './libraries/tbl_common.php';
 208     require_once './libraries/tbl_info.inc.php';
 209     /**
 210      * Displays top menu links
 211      */
 212     $active_page = 'tbl_structure.php';
 213     require_once './libraries/tbl_links.inc.php';
 214     /**
 215      * Display the form
 216      */
 217     $action = 'tbl_addfield.php';
 218     require_once './libraries/tbl_properties.inc.php';
 219
 220     // Diplays the footer
 221     require_once './libraries/footer.inc.php';
 222 }
 223
 224 ?>