Made an optimisation to the raw staging layer

- Added a join in the raw inventory table on the raw orders table to ensure only inventory items which are included in orders are fed into raw staging.
Datavault-UK · Nov 7, 2019 · eaa6714 · eaa6714
1 parent ea3e680
commit eaa6714
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/models/load/raw/raw_inventory.sql b/models/load/raw/raw_inventory.sql
@@ -30,4 +30,5 @@ left join SNOWFLAKE_SAMPLE_DATA.TPCH_SF10.SUPPLIER as b on a.PS_SUPPKEY=b.S_SUPP
 left join SNOWFLAKE_SAMPLE_DATA.TPCH_SF10.PART as c on a.PS_PARTKEY=c.P_PARTKEY
 left join SNOWFLAKE_SAMPLE_DATA.TPCH_SF10.NATION as d on b.S_NATIONKEY=d.N_NATIONKEY
 left join SNOWFLAKE_SAMPLE_DATA.TPCH_SF10.REGION as e on d.N_REGIONKEY=e.R_REGIONKEY
+join {{ ref('raw_orders') }} as f on a.PS_PARTKEY = f.PARTKEY and a.PS_SUPPKEY=f.SUPPLIERKEY
 order by a.PS_PARTKEY, a.PS_SUPPKEY