https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=43103 --- Comment #2 from David Nind <david@davidnind.com> --- Created attachment 202115 --> https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=202115&action=edit Bug 43103: Switch OR chains to INs for batch item modification and patron deletion Three searches pass large ID lists: * Koha::BackgroundJob::BatchUpdateItem passes every itemnumber of the batch, and batch item modifications can cover tens of thousands of items * Koha::Items::batch_update does the same with the modified itemnumbers when collecting biblionumbers for reindexing * Koha::Patrons::filter_by_safe_to_delete does it with the borrowernumbers found safe to delete ( unlikely to approach the same numbers as items/bibs, but still good to fix ) This patch switches all three to IN. The lists are still passed as values, but the query stays a flat IN list the optimizer handles well instead of a chain of ORs that can't be optimized. Test Plan: 1) Apply this patch 2) prove t/db_dependent/Koha/Items/BatchUpdate.t 3) prove t/db_dependent/Koha/Patrons.t 4) Note all tests pass! Signed-off-by: David Nind <david@davidnind.com> -- You are receiving this mail because: You are watching all bug changes.