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https://issues.apache.org/jira/browse/DRILL-8190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577560#comment-17577560
]
James Turton commented on DRILL-8190:
-------------------------------------
[~volodymyr] a small further update is that ObjectID join unit test mentioned
in my 15 July comment above does not run into a Vector cast error when it is
run in Drill 1.19. Instead it completes and returns results, in line with what
[~clarkddc] has reported for his joins on 1.19. To me this suggests that the
unit test is a reasonable representative of the bug reported by the user.
{code:java}
@Test
public void testObjectIdJoin() throws Exception {
String query = "select sum(s1.sales) s1_sales, sum(s2.sales) s2_sales from
mongo.%s.`%s` s1 join mongo.%s.`%s` s2 on s1._id = s2._id";
testBuilder()
.sqlQuery(query, DONUTS_DB, DONUTS_COLLECTION, DONUTS_DB,
DONUTS_COLLECTION)
.unOrdered()
.baselineColumns("s1_sales", "s2_sales")
.baselineValues(1194, 1194)
.go();
}
{code}
> Mongo query: "Schema change not currently supported for schemas with complex
> types"
> -----------------------------------------------------------------------------------
>
> Key: DRILL-8190
> URL: https://issues.apache.org/jira/browse/DRILL-8190
> Project: Apache Drill
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.20.0
> Environment: RHEL 7: Linux 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed
> Feb 16 12:17:35 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
> Reporter: Daniel Clark
> Assignee: James Turton
> Priority: Major
> Fix For: Future
>
> Attachments: customGrounds.gz, log_4.txt, profile_4.json
>
>
> I'm attempting to run this mongo query that ran successfully in Drill 1.19
> with the 1.21.0-SNAPSHOT build.
>
> SELECT `Elements_Efforts`.`EffortTypeName` AS `EffortTypeName`,
> `Elements`.`ElementSubTypeName` AS `ElementSubTypeName`,
> `Elements`.`ElementTypeName` AS `ElementTypeName`,
> `Elements`.`PlanID` AS `PlanID`
> FROM `mongo.grounds`.`Elements` `Elements`
> INNER JOIN `mongo.grounds`.`Elements_Efforts` `Elements_Efforts` ON
> (`Elements`.`_id` = `Elements_Efforts`.`_id`)
> WHERE (`Elements`.`PlanID` = '1623263140')
> GROUP BY `Elements_Efforts`.`EffortTypeName`,
> `Elements`.`ElementSubTypeName`,
> `Elements`.`ElementTypeName`,
> `Elements`.`PlanID`
>
> I'm getting this error message: UserRemoteException : SYSTEM ERROR:
> RuntimeException: Schema change not currently supported for schemas with
> complex types. I've attached the log, profile, and a mongodb dump containing
> the relevant datasets.
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