Calcite bug. Select count assertionError

SELECT count(*)
FROM 
 R,
 T,
 B
WHERE R.BKEY = B.KEY
AND R.ID = T.ID
AND R.VERSION = T.VERSION
AND T.BOOK = 'LLLL'
AND B.ISL = TRUE

java.lang.AssertionError
	at org.apache.calcite.plan.volcano.RelSet.mergeWith(RelSet.java:457)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.merge(VolcanoPlanner.java:1046)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.rename(VolcanoPlanner.java:903)
	at org.apache.calcite.plan.volcano.RelSet.mergeWith(RelSet.java:432)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.merge(VolcanoPlanner.java:1046)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.registerSubset(VolcanoPlanner.java:1287)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1166)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:589)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:604)
	at org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:148)
	at org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:268)
	at org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:283)
	at org.apache.calcite.rel.convert.ConverterRule.onMatch(ConverterRule.java:169)
	at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:229)
	at org.apache.calcite.plan.volcano.TopDownRuleDriver.applyGenerator(TopDownRuleDriver.java:142)
	at org.apache.calcite.plan.volcano.TopDownRuleDriver.access$600(TopDownRuleDriver.java:47)
	at org.apache.calcite.plan.volcano.TopDownRuleDriver$ApplyRule.perform(TopDownRuleDriver.java:519)
	at org.apache.calcite.plan.volcano.TopDownRuleDriver.drive(TopDownRuleDriver.java:101)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:510)
	at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:312)
	at org.apache.ignite.internal.processors.query.calcite.prepare.IgnitePlanner.transform(IgnitePlanner.java:258)
	at org.apache.ignite.internal.processors.query.calcite.exec.ExecutionServiceImpl.optimize(ExecutionServiceImpl.java:616)
	at org.apache.ignite.internal.processors.query.calcite.exec.ExecutionServiceImpl.prepareQuery(ExecutionServiceImpl.java:568)
	at org.apache.ignite.internal.processors.query.calcite.exec.ExecutionServiceImpl.prepareSingle(ExecutionServiceImpl.java:542)
	at org.apache.ignite.internal.processors.query.calcite.exec.ExecutionServiceImpl.prepareQuery(ExecutionServiceImpl.java:501)
	at org.apache.ignite.internal.processors.query.calcite.prepare.QueryPlanCacheImpl.queryPlan(QueryPlanCacheImpl.java:84)
	at org.apache.ignite.internal.processors.query.calcite.exec.ExecutionServiceImpl.executeQuery(ExecutionServiceImpl.java:378)
	at org.apache.ignite.internal.processors.query.calcite.CalciteQueryProcessor.query(CalciteQueryProcessor.java:240)
	at org.apache.ignite.internal.processors.query.calcite.CalciteQueryProcessorTest.test0(CalciteQueryProcessorTest.java:117)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.apache.ignite.testframework.junits.GridAbstractTest$7.run(GridAbstractTest.java:2373)
	at java.lang.Thread.run(Thread.java:748)