added query draft

query_draft.sql

@@ -0,0 +1,39 @@
+SELECT
+    cluster,
+    id,
+    worker,
+    evidence_type,
+    evidence,
+    category,
+    polarity,
+    created_at,
+    created_by
+FROM (
+    SELECT
+        cluster,
+        id,
+        worker,
+        evidence_type,
+        evidence,
+        category,
+        polarity,
+        created_at,
+        created_by,
+        ROW_NUMBER() OVER (PARTITION BY category ORDER BY created_at DESC) AS rn
+    FROM (
+        (
+            SELECT "user" as cluster, id, product_id, null as worker, evidence_type, evidence, unnest(claim) as category, true as polarity, created_at, created_by FROM user_claims
+            UNION ALL
+            SELECT "automated" as cluster, id, product_id, worker, null as evidence_type, evidence, unnest(claim) as category, true as polarity, created_at, null as created_by FROM automated_claims
+        )
+        UNION ALL
+        (
+            SELECT "user" as cluster, id, product_id, null as worker, evidence_type, evidence, unnest(counter_claim) as category, false as polarity, created_at, created_by FROM user_claims
+            UNION ALL
+            SELECT "automated" as cluster, id, product_id, worker, null as evidence_type, evidence, unnest(counter_claim) as category, false as polarity, created_at, null as created_by FROM automated_claims
+        )
+    )
+    WHERE product_id = ???
+)
+WHERE rn = 1
+ORDER BY created_at;