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https://issues.apache.org/jira/browse/DRILL-2560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538993#comment-14538993
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Daniel Barclay (Drill) commented on DRILL-2560:
-----------------------------------------------
JDBC Note: Where JDBC documentation somewhat circularly defines things in terms
of "if ... returns a ResultSet" (referring to the physical Java object), it
apparently really means "if ... returns a result set" (the logical SQL object).
> JDBC execute calls return asynchronously for DDLs
> -------------------------------------------------
>
> Key: DRILL-2560
> URL: https://issues.apache.org/jira/browse/DRILL-2560
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Affects Versions: 0.8.0
> Reporter: Chris Westin
> Assignee: Daniel Barclay (Drill)
> Fix For: 1.1.0
>
>
> While working with TestViews, I noticed that JDBC's executeQuery() returns
> immediately for drop view statements. For DDLs, users' expectation would be
> that the call would return synchronously. The same would be true for
> execute(), and executeUpdate(), if used for DDLs. This behavior is pretty
> typical for RDBMSs. This avoids the user having to consume the (non-)output
> in order to wait for the statement to complete -- otherwise it will get
> cancelled when the Statement is closed.
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