dependencies of object relationship now includes remote table, closes #1441 (#1442)

server/src-lib/Hasura/RQL/DDL/Relationship.hs

@@ -179,6 +179,10 @@ objRelP2Setup qt (RelDef rn ru _) = do
         [(consName, refsn, reftn, colMapping)] -> do
           let deps = [ SchemaDependency (SOTableObj qt $ TOCons consName) "fkey"
                      , SchemaDependency (SOTableObj qt $ TOCol cn) "using_col"
+                     -- this needs to be added explicitly to handle the remote table
+                     -- being untracked. In this case, neither the using_col nor
+                     -- the constraint name will help.
+                     , SchemaDependency (SOTable refqt) "remote_table"
                      ]
               refqt = QualifiedTable refsn reftn
           void $ askTabInfo refqt
@@ -284,6 +288,10 @@ arrRelP2Setup qt (RelDef rn ru _) = do
         [(consName, mapping)] -> do
           let deps = [ SchemaDependency (SOTableObj refqt $ TOCons consName) "remote_fkey"
                      , SchemaDependency (SOTableObj refqt $ TOCol refCol) "using_col"
+                     -- we don't need to necessarily track the remote table like we did in
+                     -- case of obj relationships as the remote table is indirectly
+                     -- tracked by tracking the constraint name and 'using_col'
+                     , SchemaDependency (SOTable refqt) "remote_table"
                      ]
           return (RelInfo rn ArrRel (map swap mapping) refqt False, deps)
         _  -> throw400 ConstraintError

server/tests-py/queries/v1/track_table/setup.yaml

@@ -6,36 +6,25 @@ args:
   args:
     sql: |
       create table author(
-          id serial primary key, 
+          id serial primary key,
           name text unique,
           remarks text
       );
-
-
-#Create resident table
-- type: run_sql
-  args:
-    sql: |
+      create table article(
+          id serial primary key,
+          title text,
+          author_id integer references author(id)
+      );
       CREATE TABLE hge_tests.resident (
         id SERIAL PRIMARY KEY,
         name TEXT NOT NULL,
         age INTEGER NOT NULL
-      )
-
-#Insert values
-- type: run_sql
-  args:
-    sql: |
+      );
       insert into author (name)
       values
       ('Author 1'),
-      ('Author 2') 
-
-#Insert values
-- type: run_sql
-  args:
-    sql: |
+      ('Author 2');
       insert into hge_tests.resident (name,age)
       values
       ('Resident 1', 23),
-      ('Resident 2', 31) 
+      ('Resident 2', 31);

server/tests-py/queries/v1/track_table/teardown.yaml

@@ -1,12 +1,9 @@
 type: bulk
 args:
-    
-- type: run_sql
-  args:
-    sql: |
-      drop table author
 
 - type: run_sql
   args:
     sql: |
-      drop table hge_tests.resident
+      drop table hge_tests.resident;
+      drop table article;
+      drop table author;

server/tests-py/queries/v1/track_table/track_untrack_table_deps.yaml

@@ -0,0 +1,80 @@
+- description: Track tables and relationships
+  url: /v1/query
+  status: 200
+  response:
+  - message: success
+  - message: success
+  - message: success
+  - message: success
+  query:
+    type: bulk
+    args:
+    - type: track_table
+      args:
+        name: author
+    - type: track_table
+      args:
+        name: article
+    - type: create_object_relationship
+      args:
+        name: author
+        table: article
+        using:
+          foreign_key_constraint_on: author_id
+    - type: create_array_relationship
+      args:
+        name: articles
+        table: author
+        using:
+          foreign_key_constraint_on:
+            table: article
+            column: author_id
+
+- description: untrack author
+  url: /v1/query
+  status: 400
+  response:
+    path: "$.args"
+    error: "cannot drop due to the following dependent objects : relationship article.author"
+    code: "dependency-error"
+  query:
+    type: untrack_table
+    args:
+      table:
+        name: author
+
+- description: untrack article
+  url: /v1/query
+  status: 400
+  response:
+    path: "$.args"
+    error: "cannot drop due to the following dependent objects : relationship author.articles"
+    code: "dependency-error"
+  query:
+    type: untrack_table
+    args:
+      table:
+        name: article
+
+- description: untrack author with cascade
+  url: /v1/query
+  status: 200
+  response:
+    message: success
+  query:
+    type: untrack_table
+    args:
+      table:
+        name: author
+      cascade: true
+
+- description: untrack article
+  url: /v1/query
+  status: 200
+  response:
+    message: success
+  query:
+    type: untrack_table
+    args:
+      table:
+        name: article

server/tests-py/test_v1_queries.py

@@ -449,6 +449,10 @@ class TestTrackTables(DefaultTestQueries):
         check_query_f(hge_ctx, self.dir() + '/track_untrack_table.yaml')
         hge_ctx.may_skip_test_teardown = True
 
+    def test_track_untrack_table_with_deps(self, hge_ctx):
+        check_query_f(hge_ctx, self.dir() + '/track_untrack_table_deps.yaml')
+        hge_ctx.may_skip_test_teardown = True
+
     def test_track_untrack_table_non_public_schema(self, hge_ctx):
         check_query_f(hge_ctx, self.dir() + '/track_untrack_table_non_public_schema.yaml')
         hge_ctx.may_skip_test_teardown = True