[Koha-devel] Holds Queue vs Holds to Pull

[Phil Ringnalda]

For a single-branch system, they should be the same.

For a multi-branch system, Holds Queue first looks for an item already 
at the pickup branch and puts the hold in that branch's queue (possibly 
even jumping priority order if LocalHoldsPriority), or if there isn't 
one already at the pickup branch depending on prefs it either looks for 
the cheapest available item according to the Transport Cost Matrix if 
UseTransportCostMatrix, or chooses the first branch listed in 
StaticHoldsQueueWeight with an available item if StaticHoldsQueueWeight 
and not RandomizeHoldsQueueWeight, or chooses a random branch from those 
listed in StaticHoldsQueueWeight with an available item if 
StaticHoldsQueueWeight and RandomizeHoldsQueueWeight, or chooses a 
random branch from all branches with an available item if not 
StaticHoldsQueueWeight and RandomizeHoldsQueueWeight, or if you mess 
your prefs up badly enough with not StaticHoldsQueueWeight and not 
RandomizeHoldsQueueWeight, chooses the alphabetically-first branch with 
an available item, thus piling all the load on poor Aaron Aardvark 
Library, in each case possibly checking whether that branch is open or 
closed that day if HoldsQueueSkipClosed, and puts the hold in whatever 
branch's queue falls out of that.

Phil Ringnalda
Chetco Community Public Library

On 3/2/2020 3:44 PM, dcook at prosentient.com.au wrote:
>
> Hi all,
>
> What is the purpose of the “Holds Queue” page?
>
> As far as I can tell, it duplicates “Holds to Pull” but requires a 
> separate cronjob and extra database tables and so on.
>
> David Cook
>
> Systems Librarian
>
> Prosentient Systems
>
> 72/330 Wattle St
>
> Ultimo, NSW 2007
>
> Australia
>
> Office: 02 9212 0899
>
> Direct: 02 8005 0595
>
>
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