presto-main/src/main/java/io/prestosql/operator/aggregation/BooleanAndAggregation.java/BooleanAndAggregation/combine
class BooleanAndAggregation:    @CombineFunction
    public static void combine(@AggregationState TriStateBooleanState state, @AggregationState TriStateBooleanState otherState)
    {
        if (state.getByte() == NULL_VALUE) {
            state.setByte(otherState.getByte());
            return;
        }
        if (otherState.getByte() == FALSE_VALUE) {
            state.setByte(FALSE_VALUE);
        }
    }