Fix Parent Relation when having many views(#1044)

test/Feature/QuerySpec.hs

@@ -398,6 +398,19 @@ spec = do
         [json|[{"t_id":1,"name":"Windows 7","clients":{"id":1,"name":"Microsoft"},"tasks":[{"id":1,"name":"Design w7"},{"id":2,"name":"Code w7"}]}]|]
         { matchHeaders = [matchContentTypeJson] }
 
+    it "detects parent relations when having many views of a private table" $ do
+      get "/books?select=title,author(name)&id=eq.5" `shouldRespondWith`
+        [json|[ { "title": "Farenheit 451", "author": { "name": "Ray Bradbury" } } ]|]
+        { matchHeaders = [matchContentTypeJson] }
+      get "/forties_books?select=title,author(name)&limit=1" `shouldRespondWith`
+        [json|[ { "title": "1984", "author": { "name": "George Orwell" } } ]|]
+        { matchHeaders = [matchContentTypeJson] }
+      get "/fifties_books?select=title,author(name)&limit=1" `shouldRespondWith`
+        [json|[ { "title": "The Catcher in the Rye", "author": { "name": "J.D. Salinger" } } ]|]
+        { matchHeaders = [matchContentTypeJson] }
+      get "/sixties_books?select=title,author(name)&limit=1" `shouldRespondWith`
+        [json|[ { "title": "To Kill a Mockingbird", "author": { "name": "Harper Lee" } } ]|]
+        { matchHeaders = [matchContentTypeJson] }
 
     it "requesting children with composite key" $
       get "/users_tasks?user_id=eq.2&task_id=eq.6&select=*, comments{content}" `shouldRespondWith`

test/fixtures/data.sql

@@ -359,3 +359,27 @@ INSERT INTO organizations VALUES (1, 'Referee Org', null, null);
 INSERT INTO organizations VALUES (2, 'Auditor Org', null, null);
 INSERT INTO organizations VALUES (3, 'Acme', 1, 2);
 INSERT INTO organizations VALUES (4, 'Umbrella', 1, 2);
+
+SET search_path = private, pg_catalog;
+
+TRUNCATE TABLE authors CASCADE;
+INSERT INTO authors VALUES (1, 'George Orwell');
+INSERT INTO authors VALUES (2, 'Anne Frank');
+INSERT INTO authors VALUES (3, 'Antoine de Saint-Exupéry');
+INSERT INTO authors VALUES (4, 'J.D. Salinger');
+INSERT INTO authors VALUES (5, 'Ray Bradbury');
+INSERT INTO authors VALUES (6, 'William Golding');
+INSERT INTO authors VALUES (7, 'Harper Lee');
+INSERT INTO authors VALUES (8, 'Kurt Vonnegut');
+INSERT INTO authors VALUES (9, 'Ken Kesey');
+
+TRUNCATE TABLE books CASCADE;
+INSERT INTO books VALUES (1, '1984', 1949, 1);
+INSERT INTO books VALUES (2, 'The Diary of a Young Girl', 1947, 2);
+INSERT INTO books VALUES (3, 'The Little Prince', 1947, 3);
+INSERT INTO books VALUES (4, 'The Catcher in the Rye', 1951, 4);
+INSERT INTO books VALUES (5, 'Farenheit 451', 1953, 5);
+INSERT INTO books VALUES (6, 'Lord of the Flies', 1954, 6);
+INSERT INTO books VALUES (7, 'To Kill a Mockingbird', 1960, 7);
+INSERT INTO books VALUES (8, 'Slaughterhouse-Five', 1969, 8);
+INSERT INTO books VALUES (9, 'One Flew Over the Cuckoo''s Nest', 1962, 9);

test/fixtures/privileges.sql

@@ -68,6 +68,11 @@ GRANT ALL ON TABLE
     , only_pk
     , family_tree
     , organizations
+    , authors
+    , books
+    , forties_books
+    , fifties_books
+    , sixties_books
 TO postgrest_test_anonymous;
 
 GRANT INSERT ON TABLE insertonly TO postgrest_test_anonymous;

test/fixtures/schema.sql

@@ -1390,3 +1390,22 @@ create table test.organizations (
 );
 alter table only test.organizations add constraint pptr1 foreign key (referee) references test.organizations(id);
 alter table only test.organizations add constraint pptr2 foreign key (auditor) references test.organizations(id);
+
+create table private.authors(
+  id integer primary key,
+  name text
+);
+
+create table private.books(
+  id integer primary key,
+  title text,
+  publication_year smallint,
+  author_id integer references private.authors(id)
+);
+
+create view test.authors as select id, name from private.authors;
+
+create view test.books as select id, title, publication_year, author_id from private.books;
+create view test.forties_books as select id, title, publication_year, author_id from private.books where publication_year >= 1940 and publication_year < 1950;
+create view test.fifties_books as select id, title, publication_year, author_id from private.books where publication_year >= 1950 and publication_year < 1960;
+create view test.sixties_books as select id, title, publication_year, author_id from private.books where publication_year >= 1960 and publication_year < 1970;