function image_update_7002

Add width and height columns to image field schema and populate.

Related topics

File

modules/image/image.install, line 356

Code

function image_update_7002(array &$sandbox) {
    if (empty($sandbox)) {
        // Setup the sandbox.
        $sandbox = array(
            'tables' => array(),
            'total' => 0,
            'processed' => 0,
            'last_fid' => NULL,
        );
        $fields = _update_7000_field_read_fields(array(
            'module' => 'image',
            'storage_type' => 'field_sql_storage',
            'deleted' => 0,
        ));
        foreach ($fields as $field) {
            $tables = array(
                _field_sql_storage_tablename($field),
                _field_sql_storage_revision_tablename($field),
            );
            foreach ($tables as $table) {
                // Add the width and height columns to the table.
                _image_update_7002_add_columns($table, $field['field_name']);
                // How many rows need dimensions populated?
                $count = db_select($table)->countQuery()
                    ->execute()
                    ->fetchField();
                if (!$count) {
                    continue;
                }
                $sandbox['total'] += $count;
                $sandbox['tables'][$table] = $field['field_name'];
            }
        }
        // If no tables need rows populated with dimensions then we are done.
        if (empty($sandbox['tables'])) {
            $sandbox = array();
            return;
        }
    }
    // Process the table at the top of the list.
    $keys = array_keys($sandbox['tables']);
    $table = reset($keys);
    $sandbox['processed'] += _image_update_7002_populate_dimensions($table, $sandbox['tables'][$table], $sandbox['last_fid']);
    // Has the table been fully processed?
    if (!$sandbox['last_fid']) {
        unset($sandbox['tables'][$table]);
    }
    $sandbox['#finished'] = count($sandbox['tables']) ? $sandbox['processed'] / $sandbox['total'] : 1;
}