function field_update_7001

Fix fields definitions created during the d6 to d7 upgrade path.

Related topics

File

modules/field/field.install, line 411

Code

function field_update_7001() {
    $fields = _update_7000_field_read_fields();
    foreach ($fields as $field) {
        // _update_7000_field_create_field() was broken in d7 RC2, and the fields
        // created during a d6 to d7 upgrade do not correcly store the 'index'
        // entry. See http://drupal.org/node/996160.
        module_load_install($field['module']);
        $schema = (array) module_invoke($field['module'], 'field_schema', $field);
        $schema += array(
            'indexes' => array(),
        );
        // 'indexes' can be both hardcoded in the field type, and specified in the
        // incoming $field definition.
        $field['indexes'] += $schema['indexes'];
        // Place the updated entries in the existing serialized 'data' column.
        $data = db_query("SELECT data FROM {field_config} WHERE id = :id", array(
            ':id' => $field['id'],
        ))->fetchField();
        $data = unserialize($data);
        $data['columns'] = $field['columns'];
        $data['indexes'] = $field['indexes'];
        // Save the new data.
        $query = db_update('field_config')->condition('id', $field['id'])
            ->fields(array(
            'data' => serialize($data),
        ))
            ->execute();
    }
}