From 0fc331d6e264de65af7b438316c2f1134a5fdf23 Mon Sep 17 00:00:00 2001
From: Heikki Levanto <heikki@indexdata.dk>
Date: Fri, 8 May 2015 16:11:48 +0200
Subject: [PATCH] LOC-6: isbn index: Check we have a literal before substring

---
 bibframe/triplestore.xml |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/bibframe/triplestore.xml b/bibframe/triplestore.xml
index 7fd29fd..eb5db31 100644
--- a/bibframe/triplestore.xml
+++ b/bibframe/triplestore.xml
@@ -326,14 +326,14 @@
             <!--   http://isbn.example.org/1906833214 which we need to search -->
             <!-- by our usual substring match. Or they can be links to Identivfiers -->
             <!-- which will have a proper identifierValue on which we can do -->
-            <!-- an exact match -->
+            <!-- an exact match.  -->
             <index type="bf.isbn">
                 {
                     ?thing bf:isbn10  %v
-                        FILTER(contains(str(%v), %s))
+                        FILTER(isLiteral(%v) &amp;&amp; contains(%v, %s))
                 } UNION {
                     ?thing bf:isbn13  %v
-                        FILTER(contains(str(%v), %s))
+                        FILTER(isLiteral(%v) &amp;&amp; contains(%v, %s))
                 } UNION {
                     {
                         ?thing bf:isbn10 ?isbn
-- 
1.7.10.4