From 2bc177c16d9cc751a753e82ae0c005836ccac52e Mon Sep 17 00:00:00 2001
From: David Gustafsson <david.gustafsson@ub.gu.se>
Date: Thu, 2 Nov 2017 15:02:23 +0100
Subject: [PATCH] Bug 19564: Fix extraction of sort order from sort condition
 name

Currently sort order is extracted from sort condition by splitting the
field, instead use regular expression to extract the last part preceded
by underscore.
---
 Koha/SearchEngine/Elasticsearch/QueryBuilder.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Koha/SearchEngine/Elasticsearch/QueryBuilder.pm b/Koha/SearchEngine/Elasticsearch/QueryBuilder.pm
index 1c741d35f3..9cfc35389e 100644
--- a/Koha/SearchEngine/Elasticsearch/QueryBuilder.pm
+++ b/Koha/SearchEngine/Elasticsearch/QueryBuilder.pm
@@ -620,7 +620,7 @@ sub _convert_index_fields {
     # when joining things, to indicate we make it an 'OR' join.
     # (Sorry, this got a bit ugly after special cases were found.)
     grep { $_->{field} } map {
-        my ( $f, $t ) = split /,/;
+        my ( $f, $d ) = /(.+)_(.+)/;
         my $mc = '';
         if ($f =~ /^mc-/) {
             $mc = 'mc-';
-- 
2.11.0