add model_derivation_group to Hasura metadata

Author: psubram3

deployment/hasura/metadata/databases/tables/merlin/mission_model.yaml

@@ -39,6 +39,13 @@ array_relationships:
         table:
           name: plan
           schema: merlin
+  - name: derivation_group_specification
+    using:
+      foreign_key_constraint_on:
+        column: model_id
+        table:
+          name: model_derivation_group
+          schema: merlin
   - name: resource_types
     using:
       foreign_key_constraint_on:

deployment/hasura/metadata/databases/tables/merlin/model_derivation_group.yaml

@@ -0,0 +1,53 @@
+table:
+  name: model_derivation_group
+  schema: merlin
+configuration:
+  custom_name: "model_derivation_group"
+object_relationships:
+  - name: mission_model
+    using:
+      foreign_key_constraint_on: model_id
+  - name: derivation_group
+    using:
+      foreign_key_constraint_on: derivation_group_name
+array_relationships:
+  - name: external_events
+    using:
+      manual_configuration:
+        remote_table:
+          name: external_event
+          schema: merlin
+        column_mapping:
+          derivation_group_name: derivation_group_name
+select_permissions:
+  - role: aerie_admin
+    permission:
+      columns: '*'
+      filter: {}
+      allow_aggregations: true
+  - role: user
+    permission:
+      columns: '*'
+      filter: {}
+      allow_aggregations: true
+  - role: viewer
+    permission:
+      columns: '*'
+      filter: {}
+      allow_aggregations: true
+insert_permissions:
+  - role: aerie_admin
+    permission:
+      columns: [model_id, derivation_group_name]
+      check: {}
+  - role: user
+    permission:
+      columns: [model_id, derivation_group_name]
+      check: {"mission_model": {"owner": {"_eq": "X-Hasura-User-Id"}}}
+delete_permissions:
+  - role: aerie_admin
+    permission:
+      filter: {}
+  - role: user
+    permission:
+      filter: {"mission_model": {"owner": {"_eq": "X-Hasura-User-Id"}}}

deployment/hasura/metadata/databases/tables/tables.yaml

@@ -113,6 +113,7 @@
 - "!include merlin/external_source.yaml"
 - "!include merlin/external_source_type.yaml"
 - "!include merlin/plan_derivation_group.yaml"
+- "!include merlin/model_derivation_group.yaml"
 
 # Constraints
 - "!include merlin/constraints/constraint_metadata.yaml"