From 97361f7f48a26496fc4de09c8f39f4b564175cb7 Mon Sep 17 00:00:00 2001
From: Laurent Deketelaere <laurent.deketelaere@redpencil.io>
Date: Wed, 5 Jun 2024 08:38:22 +0200
Subject: [PATCH] fix: Add migration to delete duplicate identifier

---
 ...4100500-delete-duplicate-identifier.sparql | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 config/migrations/2024/20240604100500-delete-duplicate-identifier.sparql

diff --git a/config/migrations/2024/20240604100500-delete-duplicate-identifier.sparql b/config/migrations/2024/20240604100500-delete-duplicate-identifier.sparql
new file mode 100644
index 0000000..92b0cfd
--- /dev/null
+++ b/config/migrations/2024/20240604100500-delete-duplicate-identifier.sparql
@@ -0,0 +1,33 @@
+DELETE {
+    GRAPH ?g {
+        ?org <http://www.w3.org/ns/adms#identifier> ?identifier .
+        ?identifier ?pi ?oi .
+        ?structured ?ps ?os .
+    }
+}
+WHERE {
+    GRAPH ?g {
+        {
+            # Select one identifier by organization and local identifier
+            SELECT ?org ?li (MAX(?i) AS ?keepIdentifier) WHERE {
+                ?org <http://www.w3.org/ns/adms#identifier> ?i .
+                ?i <https://data.vlaanderen.be/ns/generiek#gestructureerdeIdentificator>/<https://data.vlaanderen.be/ns/generiek#lokaleIdentificator> ?li .
+            } GROUP BY ?org ?li
+        }
+        
+        ?org <http://www.w3.org/ns/adms#identifier> ?identifier .
+        ?identifier <https://data.vlaanderen.be/ns/generiek#gestructureerdeIdentificator> ?structured .
+        ?structured <https://data.vlaanderen.be/ns/generiek#lokaleIdentificator> ?li .
+
+        FILTER(?identifier != ?keepIdentifier)
+        
+        # All properties of the duplicate identifier and structured identifier
+        ?identifier ?pi ?oi .
+        ?structured ?ps ?os .
+    }
+
+    VALUES ?g {
+        <http://mu.semte.ch/graphs/worship-service>
+        <http://mu.semte.ch/graphs/administrative-unit>
+    }
+}
\ No newline at end of file