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https://issues.apache.org/jira/browse/DRILL-8009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17429947#comment-17429947
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ASF GitHub Bot commented on DRILL-8009:
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luocooong commented on pull request #2333:
URL: https://github.com/apache/drill/pull/2333#issuecomment-945662754
@rymarm Thanks for the feedback. I will check it on the local and let you
know.
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> DrillConnectionImpl#isValid() doesn't correspond JDBC API
> ---------------------------------------------------------
>
> Key: DRILL-8009
> URL: https://issues.apache.org/jira/browse/DRILL-8009
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Reporter: Maksym Rymar
> Assignee: Maksym Rymar
> Priority: Major
>
> {{DrillConnectionImpl#isValid()}} doesn't correspond [Java JDBC API
> documentation|https://docs.oracle.com/javase/7/docs/api/java/sql/Connection.html#isValid(int)].
> Current implementation doesn't do actual connection verify and doesn't cover
> cases like drillbit termination and network issues.
> {{java.sql.Connection#isValid()}} (which extends {{DrillConnectionImpl}})
> widely used in JDBC connection pools like HikariCP and without right
> implementation, Drill JDBC driver cannot be used with them, because
> connections will keep alive forever.
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