ci: validate migrations before nas deploy

server/migrations/20260408110000_flatten_brand_questions.up.sql

@@ -1,24 +1,60 @@
 ALTER TABLE brand_questions
     ADD COLUMN IF NOT EXISTS question_text TEXT;
 
-UPDATE brand_questions q
-SET question_text = COALESCE(
-    (
-        SELECT v.question_text
-        FROM brand_question_versions v
-        WHERE v.id = q.current_version_id
-        LIMIT 1
-    ),
-    (
-        SELECT v.question_text
-        FROM brand_question_versions v
-        WHERE v.question_id = q.id
-        ORDER BY v.version_no DESC, v.id DESC
-        LIMIT 1
-    ),
-    ''
-)
-WHERE q.question_text IS NULL;
+DO $$
+BEGIN
+    IF to_regclass('public.brand_question_versions') IS NOT NULL
+        AND EXISTS (
+            SELECT 1
+            FROM information_schema.columns
+            WHERE table_schema = 'public'
+              AND table_name = 'brand_questions'
+              AND column_name = 'current_version_id'
+        )
+    THEN
+        EXECUTE $sql$
+            UPDATE brand_questions q
+            SET question_text = COALESCE(
+                (
+                    SELECT v.question_text
+                    FROM brand_question_versions v
+                    WHERE v.id = q.current_version_id
+                    LIMIT 1
+                ),
+                (
+                    SELECT v.question_text
+                    FROM brand_question_versions v
+                    WHERE v.question_id = q.id
+                    ORDER BY v.version_no DESC, v.id DESC
+                    LIMIT 1
+                ),
+                q.question_text,
+                ''
+            )
+            WHERE q.question_text IS NULL
+        $sql$;
+    ELSIF to_regclass('public.brand_question_versions') IS NOT NULL THEN
+        EXECUTE $sql$
+            UPDATE brand_questions q
+            SET question_text = COALESCE(
+                (
+                    SELECT v.question_text
+                    FROM brand_question_versions v
+                    WHERE v.question_id = q.id
+                    ORDER BY v.version_no DESC, v.id DESC
+                    LIMIT 1
+                ),
+                q.question_text,
+                ''
+            )
+            WHERE q.question_text IS NULL
+        $sql$;
+    END IF;
+END $$;
+
+UPDATE brand_questions
+SET question_text = ''
+WHERE question_text IS NULL;
 
 ALTER TABLE brand_questions
     ALTER COLUMN question_text SET NOT NULL;