From cd27775b406482b11f44575ab196501a30d9b075 Mon Sep 17 00:00:00 2001
From: Matthias Baumgartner <dev@igsor.net>
Date: Thu, 2 Mar 2023 12:23:49 +0100
Subject: default sort order in sparql backend

---
 bsfs/triple_store/sparql/utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'bsfs/triple_store')

diff --git a/bsfs/triple_store/sparql/utils.py b/bsfs/triple_store/sparql/utils.py
index deca4d8..51de893 100644
--- a/bsfs/triple_store/sparql/utils.py
+++ b/bsfs/triple_store/sparql/utils.py
@@ -127,11 +127,12 @@ class Query():
         """Return an executable sparql query."""
         select = ' '.join(f'({head} as ?{name})' for head, name in self.select)
         return f'''
-            SELECT {self.root_head} {select}
+            SELECT DISTINCT {self.root_head} {select}
             WHERE {{
                 {self.root_head} <{ns.rdf.type}>/<{ns.rdfs.subClassOf}>* <{self.root_type}> .
                 {self.where}
             }}
+            ORDER BY str({self.root_head})
             '''
 
     def __call__(self, graph: rdflib.Graph) -> rdflib.query.Result:
-- 
cgit v1.2.3