Hi,
when a patron is deleted the borrowernumber in old_issues is set to NULL
and the entries in statistics are kept, so the entries will still be
there, only not linked to an existing patron.
For data privacy reasons you should not keep patron records
indefinitely. It's possible to delete expired patron accounts regularly
using the delete_patrons.pl cronjob or do it manually using the batch
patron deletion/anonymization tool.
Maybe run some tests with a test patron to see how deleting affects your
data?
Hope that helps,
Katrin
On 26.09.2018 01:14, zefanja wrote:
What circulation data are you trying to retain? It may not be the case
that deleting patrons will be a problem.
e.g. Checkout history.
Regards
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