godfrey he created CALCITE-2124:
-----------------------------------
Summary: aggCall type mismatch error in
AggregateExpandDistinctAggregatesRule
Key: CALCITE-2124
URL: https://issues.apache.org/jira/browse/CALCITE-2124
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.15.0
Reporter: godfrey he
Assignee: Julian Hyde
{code}
@Test public void testDistinctCountWithoutGroupBy() {
final HepProgram program = HepProgram.builder()
.addRuleInstance(AggregateExpandDistinctAggregatesRule.INSTANCE)
.addRuleInstance(AggregateProjectMergeRule.INSTANCE)
.build();
checkPlanning(program,
"select max(deptno), count(distinct ename) from sales.emp");
}
{code}
exception:
{code}
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:1268)
at org.apache.calcite.tools.RelBuilder.aggregate(RelBuilder.java:1840)
at
org.apache.calcite.rel.rules.AggregateExpandDistinctAggregatesRule.rewriteUsingGroupingSets(AggregateExpandDistinctAggregatesRule.java:413)
at
org.apache.calcite.rel.rules.AggregateExpandDistinctAggregatesRule.onMatch(AggregateExpandDistinctAggregatesRule.java:172)
at
org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:317)
at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:508)
at
org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:387)
at
org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:252)
at
org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
at
org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:211)
at
org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:198)
at
org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:165)
at
org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:120)
at
org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:95)
at
org.apache.calcite.test.RelOptTestBase.checkPlanning(RelOptTestBase.java:84)
at
org.apache.calcite.test.RelOptRulesTest.testDistinctCountWithoutGroupBy(RelOptRulesTest.java:761)
{code}
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