From a8607f9c1abcaf90e5e05a756ee2aeceda0742d9 Mon Sep 17 00:00:00 2001
From: mirdono <alexander.van.den.berghe@redpencil.io>
Date: Wed, 3 Apr 2024 13:09:08 +0200
Subject: [PATCH] fix: remove empty alternative names for administrative units

---
 ...403104506-remove-empty-alternative-names.sparql | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 config/migrations/2024/20240403104506-remove-empty-alternative-names.sparql

diff --git a/config/migrations/2024/20240403104506-remove-empty-alternative-names.sparql b/config/migrations/2024/20240403104506-remove-empty-alternative-names.sparql
new file mode 100644
index 0000000..56ad165
--- /dev/null
+++ b/config/migrations/2024/20240403104506-remove-empty-alternative-names.sparql
@@ -0,0 +1,14 @@
+PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
+PREFIX besluit: <http://data.vlaanderen.be/ns/besluit#>
+
+DELETE {
+  GRAPH <http://mu.semte.ch/graphs/administrative-unit> {
+    ?s skos:altLabel ?alt .
+  }
+} WHERE {
+  GRAPH <http://mu.semte.ch/graphs/administrative-unit> {
+    ?s a besluit:Bestuurseenheid ;
+      skos:altLabel ?alt .
+    FILTER (strLen(?alt) = 0)
+  }
+}