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From "Taras Ledkov (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (IGNITE-5439) JDBC thin: support query cancel
Date Mon, 02 Oct 2017 09:31:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-5439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187804#comment-16187804
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Taras Ledkov edited comment on IGNITE-5439 at 10/2/17 9:30 AM:
---------------------------------------------------------------

[~vozerov], I have to add many changes to the patch to support cancel query that contains
multiple statements:
# {{queryId}} - is generated on client side.
# {{cursorId}} - are generated on server side.
# Each query contains multiple cursors that must be closed when the query is canceled.
# The messages {{JdbcQueryExecuteResult}}, {{JdbcQueryFetchRequest}} and {{JdbcQueryCloseRequest}}
contains *cursor ID*
# The *query ID* is used to query cancel only.


was (Author: tledkov-gridgain):
[~vozerov], I have to add many changes to the patch to support cancel query with multiple
statements:
# {{queryId}} - is generated on client side.
# {{cursorId}} - are generated on server side.
# Each query contains multiple cursors that must be closed when the query is canceled.
# The messages {{JdbcQueryExecuteResult}}, {{JdbcQueryFetchRequest}} and {{JdbcQueryCloseRequest}}
contains *cursor ID*
# The *query ID* is used to query cancel only.

> JDBC thin: support query cancel
> -------------------------------
>
>                 Key: IGNITE-5439
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5439
>             Project: Ignite
>          Issue Type: Task
>          Components: jdbc
>    Affects Versions: 2.0
>            Reporter: Taras Ledkov
>            Assignee: Taras Ledkov
>             Fix For: 2.4
>
>
> The JDBC {{Statement.cancel}} method must be supported.



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