[Mondrian] Cancel Support
mkambol at gmail.com
Thu Jan 28 08:12:24 EST 2010
I've added MONDRIAN-689 for this.
On Thu, Jan 7, 2010 at 2:28 PM, Julian Hyde <jhyde at pentaho.com> wrote:
> I've not heard of any such efforts. It would definitely be a useful
> feature. Can you please log a jira request as a placeholder.
> Also, it would allow us to implement cancel in the XMLA olap4j driver. (So
> I'm Cc:ing the olap4j devel list.)
> We'd have to think a bit about session support. The XMLA server uses
> connections from a pool, so the session id would not map directly onto an id
> of the back-end mondrian connection. The session concept would therefore
> have to be introduced in the web layer. We'd have to ensure that connections
> timeout and go away after some period of time (not hold resources forever)
> and ensure that session ids are not recycled. My hunch is that we should
> leverage services from the web container to get session support.
> *From:* mondrian-bounces at pentaho.org [mailto:mondrian-bounces at pentaho.org]
> *On Behalf Of *Matt Campbell
> *Sent:* Thursday, January 07, 2010 6:37 AM
> *To:* Mondrian developer mailing list
> *Subject:* [Mondrian] Cancel Support
> Has anyone in the community considered adding query cancel support to
> Mondrian XMLA? While cancelling is not included in the XMLA spec, Microsoft
> has introduced an extension to support it (see request/response below). It
> requires some minimal level of session support, since the cancel request
> needs to be able to identify the request somehow.
> <?xml version="1.0"?>
> <SOAP-ENV:Envelope xmlns:SOAP-ENV="
> http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="
> http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="
> <XA:Session xmlns:XA="
> urn:schemas-microsoft-com:xml-analysis" mustUnderstand="1" SessionId="
> <Execute xmlns="urn:schemas-microsoft-com:xml-analysis"SOAP-ENV:encodingStyle
> *<Cancel xmlns="**
> * <SessionID>
> * </Cancel>*
> <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
> <ExecuteResponse xmlns="
> <root xmlns="
> Mondrian mailing list
> Mondrian at pentaho.org
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