Object result = ExpressionInterpreter.expressionInterpreter(row.get(i), metadata, context.getSession()).evaluate(new TupleReadable[0]);
pageBuilder.getBlockBuilder(i).appendObject(result);
}
}
OperatorFactory operatorFactory = new ValuesOperatorFactory(context.getNextOperatorId(), ImmutableList.of(pageBuilder.build()));
return new PhysicalOperation(operatorFactory, outputMappings);
}