attempt to reduce stages

warehouse/metrics_mesh/models/metric_names_from_artifact.sql

@@ -0,0 +1,8 @@
+MODEL (
+  name metrics.metric_names_from_artifact,
+  kind FULL
+);
+
+SELECT DISTINCT
+  metric
+FROM metrics.timeseries_metrics_to_artifact

warehouse/metrics_mesh/models/metric_names_from_collection.sql

@@ -0,0 +1,8 @@
+MODEL (
+  name metrics.metric_names_from_collection,
+  kind FULL
+);
+
+SELECT DISTINCT
+  metric
+FROM metrics.timeseries_metrics_to_collection

warehouse/metrics_mesh/models/metric_names_from_project.sql

@@ -0,0 +1,8 @@
+MODEL (
+  name metrics.metric_names_from_project,
+  kind FULL
+);
+
+SELECT DISTINCT
+  metric
+FROM metrics.timeseries_metrics_to_project

warehouse/metrics_mesh/models/metrics_v0.sql

@@ -4,17 +4,14 @@ MODEL (
 );
 
 WITH unioned_metric_names AS (
-  SELECT DISTINCT
-    metric
-  FROM metrics.timeseries_metrics_to_artifact
+  SELECT *
+  FROM metrics.metric_names_from_artifact
   UNION ALL
-  SELECT DISTINCT
-    metric
-  FROM metrics.timeseries_metrics_to_project
+  SELECT *
+  FROM metrics.metric_names_from_project
   UNION ALL
-  SELECT DISTINCT
-    metric
-  FROM metrics.timeseries_metrics_to_collection
+  SELECT *
+  FROM metrics.metric_names_from_collection
 ), all_timeseries_metric_names AS (
   SELECT DISTINCT
     metric