https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=40057
Jonathan Druart <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |[email protected] --- Comment #11 from Jonathan Druart <[email protected]> --- (In reply to Marcel de Rooy from comment #9) > Just curious > SELECT COUNT(*) FROM illrequests WHERE borrowernumber NOT IN (SELECT > borrowernumber FROM borrowers) > UPDATE illrequests SET borrowernumber = NULL WHERE borrowernumber NOT IN > (SELECT borrowernumber FROM borrowers) > Wouldnt a join on borrowers with a NULL test be better? No big deal. I came here to say that. This is really not the best we can do. The following query using LEFT JOIN should work: UPDATE illrequests AS ill LEFT JOIN borrowers AS b ON ill.borrowernumber = b.borrowernumber SET ill.borrowernumber = NULL WHERE b.borrowernumber IS NULL; -- You are receiving this mail because: You are watching all bug changes. _______________________________________________ Koha-bugs mailing list [email protected] https://lists.koha-community.org/cgi-bin/mailman/listinfo/koha-bugs website : http://www.koha-community.org/ git : http://git.koha-community.org/ bugs : http://bugs.koha-community.org/
