#NEWLINE# def _table_materialize( table ) : #NEWLINE# #INDENT# '\n    Force schema resolution for a joined table, selecting all fields from\n    all tables.\n    ' #NEWLINE# if table . _is_materialized ( ) : #NEWLINE# #INDENT# return table #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# op = _ops . MaterializedJoin ( op ) #NEWLINE# return TableExpr ( op )