Re: [JBoss-dev] informix DS & lock mode...

[Jules Gosnell]

David Jencks wrote:

On 2002.12.13 11:00:30 -0500 Jules Gosnell wrote:

David Jencks wrote:

On 2002.12.13 09:18:48 -0500 Jules Gosnell wrote:

Is it possible to set up the lock mode for an Informix DS ?

I've grepped through the src etc looking for any signs of "set lock mode" and others, but no joy...

Not as far as I know.  What does it do? How do you normally set it? Can

you

set it by supplying URL parameters?  Is it an XADataSource attribute (in
which case I think you can set it by supplying the value in
XADataSourceProperties xa wrapper attribute)?

As far as I can make out it determines the behaviour of a query arriving and finding the resource it requires already locked. It can return with an error, or wait for a specified amount of time.

We are investigating as to whether it can be a URL parameter.

I don't know about the XADataSourceProperties, but if it was there it would have showed up when I went through the code (3.0.5RC1).

Well, actually not.  You supply essentially a property file (name=value
pairs) and the adapter wrapper tries to set them by reflection.

you haven't supplying any info on _any_ working way of setting this
parameter.  Surely there is at least one:-)

Either :

send this to db :

e.g. "set lock mode to wait 5"

Or:

Some versions of the driver (not ours apparently) support the setting via some form of URL parameter - we are investigating with our vendor.

I will see if there is a method on the driver that I might be able to get called through this reflection mechanism.

Thanks again,


Jules

david

Thanks for the response. It looks like we will have to find another way of setting it up explicitly.

Jules

thanks
david jencks

Cheers,


Jules



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