def setup_context(self, query, context):
    column = self._resolve_expr_against_query_aliases(query, self.column, context)
    context.froms += tuple(self.froms)
    context.primary_columns.append(column)
def setup_context(self, query, context):
    column = self._resolve_expr_against_query_aliases(query, self.column, context)
    context.froms += tuple(self.froms)
    context.primary_columns.append(column)