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https://issues.apache.org/jira/browse/HIVE-20551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laszlo Pinter updated HIVE-20551:
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Attachment: HIVE-20551.04.patch
> Create PreparedStatement query dynamically when IN clause is used
> -----------------------------------------------------------------
>
> Key: HIVE-20551
> URL: https://issues.apache.org/jira/browse/HIVE-20551
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Laszlo Pinter
> Assignee: Laszlo Pinter
> Priority: Major
> Attachments: HIVE-20551.01.patch, HIVE-20551.02.patch,
> HIVE-20551.03.patch, HIVE-20551.04.patch
>
>
> In the MetaStoreDirectSql class when IN clause is used, the query statement
> is created via string concatenation.
> Since JDBC API allows only one literal for one “?” parameter,
> PreparedStatement doesn’t work for IN clause queries. To create the
> PreparedStatement query dynamically based on the size of the elements in IN
> clause, the makeParams() should be used instead of concatenation.
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