Add default Derivation Group associations for Plans at the Model level

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"

deployment/hasura/migrations/Aerie/35_model_derivation_group/down.sql

@@ -0,0 +1,5 @@
+drop trigger populate_derivation_groups_new_plan_trigger on merlin.plan;
+drop function merlin.populate_derivation_groups_new_plan cascade;
+drop table merlin.model_derivation_group cascade;
+
+call migrations.mark_migration_rolled_back('35');

deployment/hasura/migrations/Aerie/35_model_derivation_group/up.sql

@@ -0,0 +1,47 @@
+create table merlin.model_derivation_group (
+    model_id integer not null,
+    derivation_group_name text not null,
+
+    constraint model_derivation_group_pkey
+      primary key (model_id, derivation_group_name),
+    constraint mdg_model_exists
+      foreign key (model_id)
+      references merlin.mission_model(id)
+      on delete cascade,
+    constraint mdg_derivation_group_exists
+      foreign key (derivation_group_name)
+      references merlin.derivation_group(name)
+      on update cascade
+      on delete restrict
+);
+
+comment on table merlin.model_derivation_group is e''
+  'The default set of derivation groups that any new plans created using this model would have linked to them.';
+
+comment on column merlin.model_derivation_group.model_id is e''
+  'The model with which the derivation group is associated.';
+comment on column merlin.model_derivation_group.derivation_group_name is e''
+  'The derivation group being associated with the model.';
+
+
+create function merlin.populate_derivation_groups_new_plan()
+returns trigger
+language plpgsql as $$
+begin
+  insert into merlin.plan_derivation_group (plan_id, derivation_group_name)
+  select new.id, mdg.derivation_group_name
+  from merlin.model_derivation_group mdg
+  where mdg.model_id = new.model_id;
+  return new;
+end;
+$$;
+
+comment on function merlin.populate_derivation_groups_new_plan() is e''
+'Populates the plan''s derivation group associations with the contents of its model''s derivation group associations.';
+
+create trigger populate_derivation_groups_new_plan_trigger
+after insert on merlin.plan
+for each row
+execute function merlin.populate_derivation_groups_new_plan();
+
+call migrations.mark_migration_applied('35');

deployment/postgres-init-db/sql/applied_migrations.sql

@@ -36,3 +36,4 @@ call migrations.mark_migration_applied(31);
 call migrations.mark_migration_applied(32);
 call migrations.mark_migration_applied(33);
 call migrations.mark_migration_applied(34);
+call migrations.mark_migration_applied(35);

deployment/postgres-init-db/sql/init_merlin.sql

@@ -29,7 +29,7 @@ begin;
 
   -- Scheduling Goals and Scheduling Goal Specification
   \ir init_scheduler_mid_merlin.sql
-  
+
   -- Activity Directives
   \ir tables/merlin/activity_directive/activity_directive_metadata_schema.sql
   \ir tables/merlin/activity_directive/activity_directive.sql
@@ -85,6 +85,7 @@ begin;
   \ir tables/merlin/external_events/external_source.sql
   \ir tables/merlin/external_events/external_event.sql
   \ir tables/merlin/external_events/plan_derivation_group.sql
+  \ir tables/merlin/external_events/model_derivation_group.sql
 
   ------------
   -- Functions

deployment/postgres-init-db/sql/tables/merlin/external_events/model_derivation_group.sql

@@ -0,0 +1,24 @@
+create table merlin.model_derivation_group (
+    model_id integer not null,
+    derivation_group_name text not null,
+
+    constraint model_derivation_group_pkey
+      primary key (model_id, derivation_group_name),
+    constraint mdg_model_exists
+      foreign key (model_id)
+      references merlin.mission_model(id)
+      on delete cascade,
+    constraint mdg_derivation_group_exists
+      foreign key (derivation_group_name)
+      references merlin.derivation_group(name)
+      on update cascade
+      on delete restrict
+);
+
+comment on table merlin.model_derivation_group is e''
+  'The default set of derivation groups that any new plans created using this model would have linked to them.';
+
+comment on column merlin.model_derivation_group.model_id is e''
+  'The model with which the derivation group is associated.';
+comment on column merlin.model_derivation_group.derivation_group_name is e''
+  'The derivation group being associated with the model.';

deployment/postgres-init-db/sql/tables/merlin/plan.sql

@@ -113,6 +113,26 @@ after insert on merlin.plan
 for each row
 execute function merlin.populate_constraint_spec_new_plan();
 
+create function merlin.populate_derivation_groups_new_plan()
+returns trigger
+language plpgsql as $$
+begin
+  insert into merlin.plan_derivation_group (plan_id, derivation_group_name)
+  select new.id, mdg.derivation_group_name
+  from merlin.model_derivation_group mdg
+  where mdg.model_id = new.model_id;
+  return new;
+end;
+$$;
+
+comment on function merlin.populate_derivation_groups_new_plan() is e''
+'Populates the plan''s derivation group associations with the contents of its model''s derivation group associations.';
+
+create trigger populate_derivation_groups_new_plan_trigger
+after insert on merlin.plan
+for each row
+execute function merlin.populate_derivation_groups_new_plan();
+
 -- Insert or Update Triggers
 
 create trigger set_timestamp