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https://issues.apache.org/jira/browse/CALCITE-3020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16832576#comment-16832576
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Bohdan Kazydub commented on CALCITE-3020:
-----------------------------------------
@vsitnikov what do you think abouth this?
> throws AssertionError:Type mismatch in VolcanoPlanner
> -----------------------------------------------------
>
> Key: CALCITE-3020
> URL: https://issues.apache.org/jira/browse/CALCITE-3020
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.19.0
> Reporter: godfrey he
> Priority: Major
>
> after [CALCITE-2454|https://issues.apache.org/jira/browse/CALCITE-2454]
> merged, an AssertionError:Type mismatch will be thrown in VolcanoPlanner when
> running the following sql:
> {code:sql}
> WITH t1 AS (SELECT CAST(a as BIGINT) AS a, SUM(b) AS b FROM x GROUP BY CAST(a
> as BIGINT)),
> t2 AS (SELECT CAST(a as DOUBLE) AS a, SUM(b) AS b FROM x GROUP BY CAST(a
> as DOUBLE))
> SELECT t1.*, t2.* FROM t1, t2 WHERE t1.b = t2.b
> {code}
> Caused by: java.lang.AssertionError: Type mismatch:
> left:
> RecordType(BIGINT a, BIGINT b) NOT NULL
> right:
> RecordType(DOUBLE a, BIGINT b) NOT NULL
> at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
> at org.apache.calcite.plan.RelOptUtil.equal(RelOptUtil.java:1858)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1705)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:850)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:872)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1958)
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:126)
> at
> org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:234)
> at
> org.apache.calcite.rel.convert.ConverterRule.onMatch(ConverterRule.java:141)
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:205)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:637)
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