[jira] [Created] (DRILL-5048) AssertionError when case statement is used with timestamp and null

["Serhii Harnyk (JIRA)" <ji...@apache.org>]

Serhii Harnyk created DRILL-5048:
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             Summary: 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: Serhii Harnyk
             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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