@Override
public ActualProperties visitDistinctLimit(
DistinctLimitNode node, List<ActualProperties> inputProperties) {
ActualProperties properties = Iterables.getOnlyElement(inputProperties);
return ActualProperties.builderFrom(properties)
.local(LocalProperties.grouped(node.getDistinctSymbols()))
.build();
}
@Override
public ActualProperties visitAggregation(
AggregationNode node, List<ActualProperties> inputProperties) {
ActualProperties properties = Iterables.getOnlyElement(inputProperties);
ActualProperties translated =
properties.translate(
symbol ->
node.getGroupingKeys().contains(symbol)
? Optional.of(symbol)
: Optional.<Symbol>empty());
return ActualProperties.builderFrom(translated)
.local(LocalProperties.grouped(node.getGroupingKeys()))
.build();
}
