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https://issues.apache.org/jira/browse/CALCITE-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sergey Nuyanzin closed CALCITE-6349.
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Resolved in release 1.37.0 (2024-05-06)
> CoreRules.PROJECT_REDUCE_EXPRESSIONS crashes on expression with ARRAY_REPEAT
> ----------------------------------------------------------------------------
>
> Key: CALCITE-6349
> URL: https://issues.apache.org/jira/browse/CALCITE-6349
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.36.0
> Reporter: Mihai Budiu
> Assignee: Mihai Budiu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.37.0
>
>
> The following test in RelOptRulesTest causes a crash:
> {code:java}
> @Test void testArrayRepeat() {
> final String sql = "select array_repeat(1, null)";
> sql(sql)
> .withFactory(
> t -> t.withOperatorTable(
> opTab ->
> SqlLibraryOperatorTableFactory.INSTANCE.getOperatorTable(
> SqlLibrary.STANDARD, SqlLibrary.SPARK)))
> .withRule(CoreRules.PROJECT_REDUCE_EXPRESSIONS)
> .check();
> }
> {code}
> The crash is:
> {code:java}
> java.lang.AssertionError: Cannot add expression of different type to set:
> set type is RecordType(INTEGER NOT NULL ARRAY NOT NULL EXPR$0) NOT NULL
> expression type is RecordType(INTEGER NOT NULL ARRAY EXPR$0) NOT NULL
> set is rel#4:LogicalProject.(input=HepRelVertex#3,exprs=[ARRAY_REPEAT(1,
> null:DECIMAL(19, 9))])
> expression is LogicalProject(EXPR$0=[null:INTEGER NOT NULL ARRAY])
> LogicalValues(tuples=[[{ 0 }]])
> Type mismatch:
> rowtype of original rel: RecordType(INTEGER NOT NULL ARRAY NOT NULL EXPR$0)
> NOT NULL
> rowtype of new rel: RecordType(INTEGER NOT NULL ARRAY EXPR$0) NOT NULL
> Difference:
> EXPR$0: INTEGER NOT NULL ARRAY NOT NULL -> INTEGER NOT NULL ARRAY
> at
> org.apache.calcite.plan.RelOptUtil.verifyTypeEquivalence(RelOptUtil.java:419)
> at
> org.apache.calcite.plan.hep.HepRuleCall.transformTo(HepRuleCall.java:60)
> at
> org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:273)
> at
> org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:288)
> at
> org.apache.calcite.rel.rules.ReduceExpressionsRule$ProjectReduceExpressionsRule.onMatch(ReduceExpressionsRule.java:317)
> at
> org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:337)
> {code}
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