Combine DFL and Artemis data

models/metrics/stablecoins/yield/fact_stablecoin_yield_historical.sql

@@ -0,0 +1,44 @@
+{{ config( materialized="table") }}
+
+WITH defillama_data AS (
+    SELECT 
+        a.date,
+        UPPER(b.chain) AS chain,
+        UPPER(b.symbol) AS stablecoin,
+        a.apy,
+        UPPER(b.project) AS project,
+        'defillama' AS source,
+        MAX(a.date) OVER() AS max_date
+    FROM {{ ref("fact_defillama_yield_historical") }} a
+    INNER JOIN {{ ref("fact_defillama_yields") }} b
+        ON a.pool = b.pool
+    ORDER BY tvl_usd DESC
+), artemis_data AS (
+    SELECT 
+        date,
+        'SOLANA' AS chain,
+        UPPER(market) AS stablecoin,
+        daily_avg_deposit_rate AS apy,
+        'DRIFT' AS project,
+        'artemis' AS source,
+        MAX(date) OVER() AS max_date
+    FROM {{ ref("fact_drift_daily_spot_data") }}
+), agg AS (
+SELECT
+    *
+FROM defillama_data
+UNION ALL
+SELECT
+    *
+FROM artemis_data
+WHERE 
+    stablecoin IN (
+        SELECT 
+            DISTINCT stablecoin
+        FROM defillama_data
+    )
+)
+SELECT
+    *
+FROM agg 
+WHERE date <= (SELECT MIN(max_date) FROM agg)