From 35d5f887ce7c88933d7e4c2f0acd2aeedd18c214 Mon Sep 17 00:00:00 2001
From: "Alessandro (Ale) Segala" <43508+ItalyPaleAle@users.noreply.github.com>
Date: Mon, 21 Jul 2025 07:36:22 +0200
Subject: [PATCH] fix: migration fails on postgres (#762)

---
 .../postgres/20250705000000_normalize.up.sql  | 47 +++++++++++--------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/backend/resources/migrations/postgres/20250705000000_normalize.up.sql b/backend/resources/migrations/postgres/20250705000000_normalize.up.sql
index 27c5700f..068f066b 100644
--- a/backend/resources/migrations/postgres/20250705000000_normalize.up.sql
+++ b/backend/resources/migrations/postgres/20250705000000_normalize.up.sql
@@ -1,25 +1,34 @@
 -- Normalize (form NFC) all existing values in the database
-UPDATE api_keys SET
-    name = normalize(name, 'nfc'),
-    description = normalize(description, 'nfc');
+DO $$
+BEGIN
+    -- This function is available only if the server's encoding is UTF8
+    IF current_setting('server_encoding') = 'UTF8' THEN
+        UPDATE api_keys SET
+            name = normalize(name, NFC),
+            description = normalize(description, NFC);
 
-UPDATE app_config_variables SET
-    "value" = normalize("value", 'nfc')
-WHERE "key" = 'appName';
+        UPDATE app_config_variables SET
+            "value" = normalize("value", NFC)
+        WHERE "key" = 'appName';
 
-UPDATE custom_claims SET
-    "key" = normalize("key", 'nfc'),
-    "value" = normalize("value", 'nfc');
+        UPDATE custom_claims SET
+            "key" = normalize("key", NFC),
+            "value" = normalize("value", NFC);
 
-UPDATE oidc_clients SET
-    name = normalize(name, 'nfc');
+        UPDATE oidc_clients SET
+            name = normalize(name, NFC);
 
-UPDATE users SET
-    username = normalize(username, 'nfc'),
-    email = normalize(email, 'nfc'),
-    first_name = normalize(first_name, 'nfc'),
-    last_name = normalize(last_name, 'nfc');
+        UPDATE users SET
+            username = normalize(username, NFC),
+            email = normalize(email, NFC),
+            first_name = normalize(first_name, NFC),
+            last_name = normalize(last_name, NFC);
 
-UPDATE user_groups SET
-    friendly_name = normalize(friendly_name, 'nfc'),
-    "name" = normalize("name", 'nfc');
+        UPDATE user_groups SET
+            friendly_name = normalize(friendly_name, NFC),
+            "name" = normalize("name", NFC);
+    ELSE
+		RAISE NOTICE 'Skipping normalization: server_encoding is %', current_setting('server_encoding');
+	END IF;
+END;
+$$ LANGUAGE plpgsql;
\ No newline at end of file