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https://issues.apache.org/jira/browse/DRILL-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zelaine Fong reassigned DRILL-5048:
-----------------------------------
Assignee: Gautam Kumar Parai (was: Serhii Harnyk)
Assigning to [~gparai] for review.
> AssertionError when case statement is used with timestamp and null
> ------------------------------------------------------------------
>
> Key: DRILL-5048
> URL: https://issues.apache.org/jira/browse/DRILL-5048
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.9.0
> Reporter: Serhii Harnyk
> Assignee: Gautam Kumar Parai
> Fix For: Future
>
>
> AssertionError when we use case with timestamp and null:
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> SELECT res, CASE res WHEN true THEN
> CAST('1990-10-10 22:40:50' AS TIMESTAMP) ELSE null END
> . . . . . . . . . . . . . . > FROM
> . . . . . . . . . . . . . . > (
> . . . . . . . . . . . . . . > SELECT
> . . . . . . . . . . . . . . > (CASE WHEN (false) THEN null ELSE
> CAST('1990-10-10 22:40:50' AS TIMESTAMP) END) res
> . . . . . . . . . . . . . . > FROM (values(1)) foo
> . . . . . . . . . . . . . . > ) foobar;
> Error: SYSTEM ERROR: AssertionError: Type mismatch:
> rowtype of new rel:
> RecordType(TIMESTAMP(0) NOT NULL res, TIMESTAMP(0) EXPR$1) NOT NULL
> rowtype of set:
> RecordType(TIMESTAMP(0) res, TIMESTAMP(0) EXPR$1) NOT NULL
> [Error Id: b56e0a4d-2f9e-4afd-8c60-5bc2f9d31f8f on centos-01.qa.lab:31010]
> (state=,code=0)
> {noformat}
> Stack trace from drillbit.log
> {noformat}
> Caused by: java.lang.AssertionError: Type mismatch:
> rowtype of new rel:
> RecordType(TIMESTAMP(0) NOT NULL res, TIMESTAMP(0) EXPR$1) NOT NULL
> rowtype of set:
> RecordType(TIMESTAMP(0) res, TIMESTAMP(0) EXPR$1) NOT NULL
> at org.apache.calcite.plan.RelOptUtil.equal(RelOptUtil.java:1696)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at org.apache.calcite.plan.volcano.RelSubset.add(RelSubset.java:295)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at org.apache.calcite.plan.volcano.RelSet.add(RelSet.java:147)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.addRelToSet(VolcanoPlanner.java:1818)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1760)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:1017)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1037)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:1940)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:138)
> ~[calcite-core-1.4.0-drill-r18.jar:1.4.0-drill-r18]
> ... 16 common frames omitted
> {noformat}
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