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Posted to issues@tajo.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/10/05 22:37:26 UTC
[jira] [Commented] (TAJO-1900) When a record column and its child
column are retrieved together, the record column might not be inferred as
record type properly
[ https://issues.apache.org/jira/browse/TAJO-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14943977#comment-14943977 ]
ASF GitHub Bot commented on TAJO-1900:
--------------------------------------
Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/792#issuecomment-145660888
It seems to need rebase.
> When a record column and its child column are retrieved together, the record column might not be inferred as record type properly
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAJO-1900
> URL: https://issues.apache.org/jira/browse/TAJO-1900
> Project: Tajo
> Issue Type: Bug
> Components: Planner/Optimizer
> Reporter: Jihoon Son
> Assignee: Jihoon Son
>
> For example, given a following query, the column 'glossary' can be inferred as the TEXT type rather than the RECORD type.
> {noformat}
> default> select glossary from self_desc_table2 where char_length(glossary."GlossDiv".title) > 0
> {noformat}
> This is because columns of the query are inferred in an arbitrary order, and there isn't any routine to resolve the conflict of inferred data type.
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