max_by does not support row

[electrum]

presto> select max_by(1, row(2, 3));
Query 20170322_170010_13107_t649g failed: Unsupported state type combination: (com.facebook.presto.spi.block.Block, long)
java.lang.IllegalArgumentException: Unsupported state type combination: (com.facebook.presto.spi.block.Block, long)
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:383)
	at com.facebook.presto.operator.aggregation.state.TwoNullableValueStateMapping.getStateClass(TwoNullableValueStateMapping.java:72)
	at com.facebook.presto.operator.aggregation.AbstractMinMaxBy.generateAggregation(AbstractMinMaxBy.java:98)
	at com.facebook.presto.operator.aggregation.AbstractMinMaxBy.specialize(AbstractMinMaxBy.java:93)
	at com.facebook.presto.metadata.FunctionRegistry$3.load(FunctionRegistry.java:367)
	at com.facebook.presto.metadata.FunctionRegistry$3.load(FunctionRegistry.java:361)
	at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3628)
	at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2336)
	at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2295)
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2208)
	at com.google.common.cache.LocalCache.get(LocalCache.java:4053)
	at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4057)
	at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4986)
	at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4992)
	at com.facebook.presto.metadata.FunctionRegistry.getAggregateFunctionImplementation(FunctionRegistry.java:862)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.Spliterators$IteratorSpliterator.tryAdvance(Spliterators.java:1812)
	at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
	at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
	at java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:454)
	at com.facebook.presto.sql.planner.optimizations.PartialAggregationPushDown$Rewriter.visitAggregation(PartialAggregationPushDown.java:121)
	at com.facebook.presto.sql.planner.optimizations.PartialAggregationPushDown$Rewriter.visitAggregation(PartialAggregationPushDown.java:69)
	at com.facebook.presto.sql.planner.plan.AggregationNode.accept(AggregationNode.java:252)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter$RewriteContext.rewrite(SimplePlanRewriter.java:85)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter$RewriteContext.lambda$defaultRewrite$0(SimplePlanRewriter.java:74)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter$RewriteContext.defaultRewrite(SimplePlanRewriter.java:75)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter.visitPlan(SimplePlanRewriter.java:39)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter.visitPlan(SimplePlanRewriter.java:23)
	at com.facebook.presto.sql.planner.plan.PlanVisitor.visitOutput(PlanVisitor.java:50)
	at com.facebook.presto.sql.planner.plan.OutputNode.accept(OutputNode.java:82)
	at com.facebook.presto.sql.planner.plan.SimplePlanRewriter.rewriteWith(SimplePlanRewriter.java:33)
	at com.facebook.presto.sql.planner.optimizations.PartialAggregationPushDown.optimize(PartialAggregationPushDown.java:66)
	at com.facebook.presto.sql.planner.LogicalPlanner.plan(LogicalPlanner.java:120)
	at com.facebook.presto.sql.planner.LogicalPlanner.plan(LogicalPlanner.java:111)
	at com.facebook.presto.execution.SqlQueryExecution.doAnalyzeQuery(SqlQueryExecution.java:303)
	at com.facebook.presto.execution.SqlQueryExecution.analyzeQuery(SqlQueryExecution.java:282)
	at com.facebook.presto.execution.SqlQueryExecution.start(SqlQueryExecution.java:238)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)