[ic] Optimisation Tip
Stefan Hornburg (Racke)
racke at linuxia.de
Wed Jul 31 12:55:37 UTC 2013
On 07/31/2013 01:53 PM, Mike Heins wrote:
> Quoting Stefan Hornburg (Racke) (racke at linuxia.de):
>> On 07/30/2013 10:47 PM, IC wrote:
>>> Hi Folks,
>>> Whilst trying to optimise IC for speed today I noticed a slow sql query
>>> every time an order was updated, I eventually traced it to /etc/ship_notice
>>> This loop tag:-
>>> [loop prefix=item search="
>>> Produces an sql query of select * from orderline;
>>> If the orderline table has a few hundred thousand rows it returns them all
>>> and causes quite a delay, I replaced it with:-
>>> sql=|select * from orderline where order_number = '[loop-code]'|
>>> Then used [item-param column_name] for the columns in the email, now its
>>> lightning quick at updating an order.
>> Do you mind to produce a patch or even a Github pull request to get
>> this into the Interchange repository?
> I think that introducing co=1 and op=eq into the search spec will have
> the same effect, i.e..
> [loop prefix=item search="
> That may not be as intuitive as the query, but when mv_coordinate (co) = 1 and
> the spec is an eq, it generates that query as the initial search selection.
> I have made that patch for now, so if it is verified to work
> then we can use it.
Thanks for the quick fix, Mike!
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