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Posted to issues@drill.apache.org by "Vova Vysotskyi (Jira)" <ji...@apache.org> on 2019/11/14 17:27:00 UTC
[jira] [Resolved] (DRILL-7244) Run-time rowgroup pruning match()
fails on casting a Long to an Integer
[ https://issues.apache.org/jira/browse/DRILL-7244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vova Vysotskyi resolved DRILL-7244.
-----------------------------------
Resolution: Fixed
Fixed in the scope of DRILL-7273 - checked whether the schema for row group is changed and rebuilt filter expression with updated types to add new casts.
> Run-time rowgroup pruning match() fails on casting a Long to an Integer
> -----------------------------------------------------------------------
>
> Key: DRILL-7244
> URL: https://issues.apache.org/jira/browse/DRILL-7244
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Storage - Parquet
> Affects Versions: 1.17.0
> Reporter: Boaz Ben-Zvi
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.17.0
>
>
> See DRILL-7240 , where a temporary workaround was created, skipping pruning (and logging) instead of this failure:
> After a Parquet table is refreshed with selected "interesting" columns, a query whose WHERE clause contains a condition on a "non interesting" INT64 column fails during run-time pruning (calling match()) with:
> {noformat}
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: ClassCastException: java.lang.Long cannot be cast to java.lang.Integer
> {noformat}
> A long term solution is to pass the whole (or the relevant part of the) schema to the runtime, instead of just passing the "interesting" columns.
>
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