[CALCITE-571] ReduceExpressionsRule tries to reduce SemiJoin condition to non-equi condition

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0-incubating
• Assignee: Julian Hyde
• Reporter: Jesús Camacho Rodríguez
• Created: 26/Jan/15 22:06
• Updated: 27/Feb/24 22:15
• Resolved: 29/Jan/15 00:41

Description

Hive's unit test that reproduces the problem: vector_mapjoin_reduce
Stack Trace:

Unexpected exception java.lang.AssertionError
	at org.apache.calcite.rel.core.SemiJoin.copy(SemiJoin.java:82)
	at org.apache.calcite.rel.core.SemiJoin.copy(SemiJoin.java:42)
	at org.apache.calcite.rel.rules.ReduceExpressionsRule$3.onMatch(ReduceExpressionsRule.java:224)
	at org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:326)
	at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:515)
	at org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:392)
	at org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:285)
	at org.apache.calcite.plan.hep.HepInstruction$RuleCollection.execute(HepInstruction.java:72)
	at org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:207)
	at org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:194)