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https://issues.apache.org/jira/browse/DRILL-4482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15185658#comment-15185658
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Jason Altekruse commented on DRILL-4482:
----------------------------------------
I think I may have reproduced the issue, is this field in your dataset a Map or
a Record in the avro schema? I am seeing nulls in a case with maps, I am trying
to figure out the cause right now.
I will be improving our test coverage for Avro as a part of this change to make
sure we don't have regressions like this in the future.
> Avro no longer selects data correctly from a sub-structure
> ----------------------------------------------------------
>
> Key: DRILL-4482
> URL: https://issues.apache.org/jira/browse/DRILL-4482
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Avro
> Affects Versions: 1.6.0
> Reporter: Stefán Baxter
> Assignee: Stefán Baxter
> Priority: Blocker
> Fix For: 1.6.0
>
>
> Parquet:
> 0: jdbc:drill:zk=local> select s.client_ip.ip from
> dfs.asa.`/processed/<>/transactions` as s limit 1;
> +----------------+
> | EXPR$0 |
> +----------------+
> | 87.55.171.210 |
> +----------------+
> 1 row selected (1.184 seconds)
> Avro:
> 0: jdbc:drill:zk=local> select s.client_ip.ip from
> dfs.asa.`/streaming/<>/transactions` as s limit 1;
> +---------+
> | EXPR$0 |
> +---------+
> | null |
> +---------+
> 1 row selected (0.29 seconds)
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