drupal/modules/upload/upload.install

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<?php
// $Id$
/**
* @file
* Install, update and uninstall functions for the upload module.
*/
/**
* @file
* This is the install file for the upload module.
*/
/**
* Implement hook_schema().
*/
function upload_schema() {
$schema['upload'] = array(
'description' => 'Stores uploaded file information and table associations.',
'fields' => array(
'fid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Primary Key: The {file}.fid.',
),
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'The {node}.nid associated with the uploaded file.',
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Primary Key: The {node}.vid associated with the uploaded file.',
),
'description' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
'description' => 'Description of the uploaded file.',
),
'list' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'size' => 'tiny',
'description' => 'Whether the file should be visibly listed on the node: yes(1) or no(0).',
),
'weight' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'size' => 'tiny',
'description' => 'Weight of this upload in relation to other uploads in this node.',
),
),
'primary key' => array('vid', 'fid'),
'foreign keys' => array(
'fid' => array('files' => 'fid'),
'nid' => array('node' => 'nid'),
'vid' => array('node' => 'vid'),
),
'indexes' => array(
'fid' => array('fid'),
'nid' => array('nid'),
),
);
return $schema;
}
/**
* Migrate upload module files from {files} to {file}.
*/
function upload_update_7000(&$sandbox) {
/*
TODO: Fix the updates. This is broken. See http://drupal.org/node/329301#comment-1404336
Also note new DB structure http://drupal.org/node/227232#comment-1683976
*/
if (!isset($sandbox['progress'])) {
// Initialize batch update information.
$sandbox['progress'] = 0;
$sandbox['last_fid_processed'] = -1;
$sandbox['max'] = db_query("SELECT COUNT(DISTINCT u.fid) FROM {upload} u")->fetchField();
}
// As a batch operation move records from {files} into the {file} table.
$limit = 500;
$result = db_query_range("SELECT DISTINCT u.fid FROM {upload} u ORDER BY u.vid", array(), 0, $limit);
foreach ($result as $record) {
$old_file = db_query('SELECT f.* FROM {files} f WHERE f.fid = :fid', array(':fid' => $record->fid))->fetch(PDO::FETCH_OBJ);
if (!$old_file) {
continue;
}
$new_file = db_query('SELECT f.* FROM {files} f WHERE f.filepath = :filepath', array(':filepath' => $old_file->uri))->fetch(PDO::FETCH_OBJ);
if (!$new_file) {
// Re-save the file into the new {file} table.
$new_file = clone $old_file;
drupal_write_record('file', $new_file);
}
// If the fid has changed we need to update the {upload} record to use the
// new id.
if (!empty($new_file->fid) && ($new_file->fid != $old_file->fid)) {
db_update('upload')
->fields(array('fid' => $new_file->fid))
->condition('fid', $old_file->fid)
->execute();
}
// Update our progress information for the batch update.
$sandbox['progress']++;
$sandbox['last_fid_processed'] = $old_file->fid;
}
// Indicate our current progress to the batch update system. If there's no
// max value then there's nothing to update and we're finished.
$sandbox['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['progress'] / $sandbox['max']);
}