[CALCITE-2105] AggregateJoinTransposeRule fails when process aggregate without group keys

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Assignee: Julian Hyde
• Reporter: Jing Zhang
• Created: 22/Dec/17 03:58
• Updated: 27/Feb/24 22:23
• Resolved: 26/Dec/17 23:59

Description

select sum(sal) from (select * from sales.emp where empno = 10) as e join sales.dept as d on e.job = d.name

AggregateJoinTransposeRule will broken when process the above sql, thrown exception is

java.lang.AssertionError: type mismatch:
aggCall type:
INTEGER
inferred type:
INTEGER NOT NULL

	at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
	at org.apache.calcite.plan.RelOptUtil.eq(RelOptUtil.java:1838)
	at org.apache.calcite.rel.core.Aggregate.typeMatchesInferred(Aggregate.java:428)
	at org.apache.calcite.rel.core.Aggregate.<init>(Aggregate.java:161)
	at org.apache.calcite.rel.logical.LogicalAggregate.<init>(LogicalAggregate.java:65)
	at org.apache.calcite.rel.logical.LogicalAggregate.create_(LogicalAggregate.java:110)
	at org.apache.calcite.rel.logical.LogicalAggregate.create(LogicalAggregate.java:100)
	at org.apache.calcite.rel.core.RelFactories$AggregateFactoryImpl.createAggregate(RelFactories.java:213)
	at org.apache.calcite.tools.RelBuilder.aggregate(RelBuilder.java:1267)
	at org.apache.calcite.tools.RelBuilder.aggregate(RelBuilder.java:1825)
	at org.apache.calcite.rel.rules.AggregateJoinTransposeRule.onMatch(AggregateJoinTransposeRule.java:260)

Issue Links

• is related to: CALCITE-2108 AggregateJoinTransposeRule fails when process aggregateCall above SqlSumEmptyIsZeroAggFunction without groupKeys