function field_sql_storage_field_update_forbid

field_sql_storage_field_update_forbid($field, $prior_field, $has_data)

Implements hook_field_update_forbid().

Forbid any field update that changes column definitions if there is any data.

File

modules/field/modules/field_sql_storage/field_sql_storage.module, line 280

Default implementation of the field storage API.

Code

function field_sql_storage_field_update_forbid($field, $prior_field, $has_data) {
  if ($has_data && $field['columns'] != $prior_field['columns']) {
    throw new FieldUpdateForbiddenException("field_sql_storage cannot change the schema for an existing field with data.");
  }
}