store: Handle materialized view not being populated

Signed-off-by: Maksim Dimitrov <[email protected]>

Author: dimitrovmaksim

store/postgres/src/detail.rs

@@ -470,13 +470,13 @@ fn deployment_sizes(
         r#"
         SELECT
             ds.id,
-            ss.row_estimate::bigint,
-            ss.table_bytes::bigint,
-            ss.index_bytes::bigint,
-            ss.toast_bytes::bigint,
-            ss.total_bytes::bigint
+            COALESCE(ss.row_estimate, 0)::bigint,
+            COALESCE(ss.table_bytes, 0)::bigint,
+            COALESCE(ss.index_bytes, 0)::bigint,
+            COALESCE(ss.toast_bytes, 0)::bigint,
+            COALESCE(ss.total_bytes, 0)::bigint
         FROM deployment_schemas ds
-        JOIN info.subgraph_sizes as ss on ss.name = ds.name
+        LEFT JOIN info.subgraph_sizes as ss on ss.name = ds.name
     "#,
     );