#NEWLINE# @ compiles ( ColumnNullable , 'oracle' ) #NEWLINE# def visit_column_nullable( element , compiler , **kw ) : #NEWLINE# #INDENT# return ( '%s %s %s' % ( alter_table ( compiler , compiler . table_name , element . schema ) , alter_column ( compiler , element . column_name ) , ( 'NULL' if element . nullable else 'NOT NULL' ) ) )