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https://issues.apache.org/jira/browse/TAJO-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jihoon Son updated TAJO-1900:
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Attachment: TAJO-1900.patch
> 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
> Attachments: TAJO-1900.patch
>
>
> 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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