Attachment 172706 Details for Bug 38156 – Bug 38156: Sort issues by borrowernumber before parallel chunking

[patch] Bug 38156: Sort issues by borrowernumber before parallel chunking

Bug-38156-Sort-issues-by-borrowernumber-before-par.patch (text/plain), 3.62 KB, created by Emily Lamancusa (emlam) on 2024-10-11 20:15:59 UTC

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Creator: Emily Lamancusa (emlam)

Created: 2024-10-11 20:15:59 UTC

Size: 3.62 KB

patch

obsolete

>From 0bee1c56a9d9e3a75eecae614789845be2507e5a Mon Sep 17 00:00:00 2001
>From: Emily Lamancusa <emily.lamancusa@montgomerycountymd.gov>
>Date: Fri, 11 Oct 2024 15:26:25 -0400
>Subject: [PATCH] Bug 38156: Sort issues by borrowernumber before parallel
> chunking
>
>When the automatic renewal cron job is using parallel processing, it
>aims to process all of the renewals for any given patron together in one
>chunk to avoid data conflicts. To accomplish this, it starts a new data
>chunk each time it encounters a new patron. However, if a patron's
>renewing checkouts aren't all consecutive in the database, that patron's
>data ends up split across multiple chunks.
>
>We need to sort the issues by borrowernumber before attempting to chunk
>them in order to make sure they are chunked and processed correctly.
>
>To test (using KTD default test data):
>Setup:
>1. Edit the default circulation rule:
>    - Set Automatic renewal to "Yes"
>    - Set No automatic renewal before to 3
>2. Open the following patron accounts in separate tabs:
>    - Floyd Delgado
>    - Joyce Gaines
>    - Edna Acosta
>    - Mary Burton
>3. Perform the following patron account edits for each of the above
>   patrons (and keep the tabs open):
>    - Enable automatic renewal notices, and set them to digests only
>    - Add a value to the email field
>4. Enter the kshell (ktd --shell)
>5. Edit /etc/koha/sites/kohadev/koha-conf.xml, and add the following
>   lines near the end, just above the </config> and </yazgfs> closing
>   tags:
><auto_renew_cronjob>
>    <parallel_loops_count>2</parallel_loops_count>
></auto_renew_cronjob>
>6. restart_all
>
>Reproducing the issue:
>7. Apply the test patch only
>8. Run perl generate_checkouts.pl to generate test data
>9. perl misc/cronjobs/automatic_renewals.pl -v -c
>--> The test patch added output that will show how the renewals were
>    chunked into "chunk 0" and "chunk 1" for the two parallel loops.
>    Note that the issues for each borrower are not processed nicely in
>    one chunk, but are separated across multiple chunks and alternated
>    with other borrowers.
>10. Check the checkouts for each of the four patrons from above
>--> All checkouts should have renewed
>11. Check the notices tab for each of the four patrons
>--> Notice errors in the automatic renewal digest notices. A patron's
>    renewals may be split across multiple digests, a digest may be
>    missing renewals, or a patron may not have received a digest at all
>
>Testing the patch:
>12. Apply the second patch
>13. Reset the due dates on all checkouts so that they will all be
>    eligible for automatic renewal again:
>    - koha-mysql kohadev
>    - UPDATE issues SET date_due=<two days from today>;
>14. perl misc/cronjobs/automatic_renewals.pl -v -c
>--> Note that the renewals are now correctly chunked by patron
>15. Check the checkouts and notices tab for each of the four patrons
>--> All checkouts should have renewed, and all patrons should have a
>    single new Auto Renewals Digest notice that correctly lists all of
>    their renewed items
>---
> misc/cronjobs/automatic_renewals.pl | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
>diff --git a/misc/cronjobs/automatic_renewals.pl b/misc/cronjobs/automatic_renewals.pl
>index 3c687e4517..c7f882521b 100755
>--- a/misc/cronjobs/automatic_renewals.pl
>+++ b/misc/cronjobs/automatic_renewals.pl
>@@ -141,7 +141,10 @@ my @auto_renews = Koha::Checkouts->search(
>         auto_renew                   => 1,
>         'patron.autorenew_checkouts' => 1,
>     },
>-    { join => [ 'patron', 'item' ] }
>+    {
>+        join => [ 'patron', 'item' ],
>+        order_by => 'patron.borrowernumber',
>+    }
> )->as_list;
> print "found " . scalar @auto_renews . " auto renewals\n" if $verbose;
> 
>-- 
>2.34.1

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