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| MQueue Read |
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| santosh.lokhande |
 Posted: Wed May 02, 2007 8:09 am Post subject: MQueue Read |
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Newbie
Joined: 03 Mar 2007
Posts: 6
Location: NA
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Hi,
What openOptions do we set so that the messages when read
from the queue are readonly.
Thanks
Santosh
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Santosh |
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| jefflowrey |
| Posted: Wed May 02, 2007 8:14 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Messages already written to a queue can not be changed without removing them, editing the data, and writing them back.
So they are always "read-only".
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I am *not* the model of the modern major general. |
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| bruce2359 |
| Posted: Wed May 02, 2007 8:40 am Post subject: |
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Guest
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Open options do not include a queue 'read-only' option.
The MQGET call allows programs to specify MQGMO_BROWSE which means read but do not destroy. The default MQGET call destroys the message after delivering it to the application (outside syncpoint) or at the MQCMIT (in syncpoint).
Refer to the MQV6 Application Programing Reference and MQ V6 Application Programmers Guide. |
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| santosh.lokhande |
| Posted: Thu May 03, 2007 1:20 am Post subject: openOptions |
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Newbie
Joined: 03 Mar 2007
Posts: 6
Location: NA
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thanks. Ive change the options and now the messages are not getting deleted.
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Santosh |
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| Vitor |
| Posted: Thu May 03, 2007 1:42 am Post subject: Re: openOptions |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| santosh.lokhande wrote: |
| thanks. Ive change the options and now the messages are not getting deleted. |
Just as an aside - there is very seldom a good requirement for browsing messages on a queue (i.e. reading them and leaving them), though a number of business people will insist that there are. Review the requirements carefully.
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