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MsgDeliverySequence (MQLONG)

Local Model Alias Remote Cluster
Yes Yes No No No

This determines the order in which the MQGET call returns messages to the application :

MQMDS_FIFO

Messages are returned in FIFO order (first in, first out).

An MQGET call returns the first message that satisfies the selection criteria specified on the call, regardless of the priority of the message.

MQMDS_PRIORITY

Messages are returned in priority order.

An MQGET call returns the highest-priority message that satisfies the selection criteria specified on the call. Within each priority level, messages are returned in FIFO order (first in, first out).

If the relevant attributes are changed while there are messages on the queue, the delivery sequence is as follows:

To determine the value of this attribute, use the MQIA_MSG_DELIVERY_SEQUENCE selector with the MQINQ call.



 

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