Bug 26529: Remove existing blank rules

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

installer/data/mysql/atomicupdate/bug_26529_remove_blank_default_branch_rules.perl

@@ -0,0 +1,9 @@
+$DBversion = 'XXX';
+if( CheckVersion( $DBversion ) ) {
+    $dbh->do(q{
+        DELETE FROM circulation_rules WHERE
+        rule_name IN ('holdallowed','hold_fulfillment_policy','returnbranch') AND
+        rule_value = ''
+    });
+    NewVersion( $DBversion, 26529, "Description");
+}