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https://issues.apache.org/jira/browse/LENS-332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arshad Matin closed LENS-332.
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> Use prepare statement for query syntax and semantic validation
> ---------------------------------------------------------------
>
> Key: LENS-332
> URL: https://issues.apache.org/jira/browse/LENS-332
> Project: Apache Lens
> Issue Type: Improvement
> Components: driver-jdbc
> Reporter: Sushil Mohanty
> Assignee: Sushil Mohanty
> Fix For: 2.1
>
> Attachments: LENS-332-2.patch
>
>
> Currently we are using "select roughly" for query validation in jdbc driver.
> Rough query can take more time based on the query complexity and can't
> guarantee to finish <50ms. On the other hand prepare query is very light
> weight and we can expect it to finish in defined threshold and is supported
> by major DBMS.
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