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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/04/30 21:33:06 UTC
[jira] [Updated] (DRILL-2926) Group by and agg functions result in
IllegalStateException when fileds are missing in some files
[ https://issues.apache.org/jira/browse/DRILL-2926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rahul Challapalli updated DRILL-2926:
-------------------------------------
Attachment: error.log
Fields missing from some files seem to be a common scenario. Since applying agg functions after doing a group by is basic, I marked this as critical
> Group by and agg functions result in IllegalStateException when fileds are missing in some files
> ------------------------------------------------------------------------------------------------
>
> Key: DRILL-2926
> URL: https://issues.apache.org/jira/browse/DRILL-2926
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow, Storage - JSON
> Reporter: Rahul Challapalli
> Assignee: Chris Westin
> Priority: Critical
> Fix For: 1.0.0
>
> Attachments: error.log
>
>
> git.commit.id.abbrev=5fbd274
> Data folder contains the below 2 files :
> {code}
> a.json -- {"col1" : 1, "col2" : 1}
> b.json -- {"col2" : 2}
> {code}
> Query 1:
> {code}
> select count(*) from data group by col1;
> +------------+
> | EXPR$0 |
> +------------+
> Query failed: SYSTEM ERROR: Failure while reading vector. Expected vector class of org.apache.drill.exec.vector.NullableIntVector but was holding vector class org.apache.drill.exec.vector.NullableBigIntVector.
> Fragment 0:0
> [7f09c032-8e50-407a-8561-0bb6cc218015 on qa-node190.qa.lab:31010]
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
> at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> at sqlline.SqlLine.print(SqlLine.java:1809)
> at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> at sqlline.SqlLine.dispatch(SqlLine.java:889)
> at sqlline.SqlLine.begin(SqlLine.java:763)
> at sqlline.SqlLine.start(SqlLine.java:498)
> at sqlline.SqlLine.main(SqlLine.java:460)
> {code}
> Query 2 :
> {code}
> 0: jdbc:drill:schema=dfs_eea> select max(col2) from temp group by col1;
> +------------+
> | EXPR$0 |
> +------------+
> Query failed: SYSTEM ERROR: java.lang.UnsupportedOperationException: Sort doesn't currently support sorts with changing schemas.
> Fragment 0:0
> [b8a632b7-139c-49c3-9739-4bc4cd2166b4 on qa-node190.qa.lab:31010]
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
> at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> at sqlline.SqlLine.print(SqlLine.java:1809)
> at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> at sqlline.SqlLine.dispatch(SqlLine.java:889)
> at sqlline.SqlLine.begin(SqlLine.java:763)
> at sqlline.SqlLine.start(SqlLine.java:498)
> at sqlline.SqlLine.main(SqlLine.java:460)
> {code}
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