Unique baz_id

  * foo.barId and foo.bazId become non-optional (Int!)
  * The root queries for foo disappear
    - foo(id: Int!) : Foo
    - fooByBarId(barId: Int!): Foo
  * The only root query for foo is now foo(bazId: Int!): Foo

schema.graphql

@@ -40,22 +40,8 @@ type Baz implements Node {
   id: Int!
   name: String
 
-  """Reads and enables pagination through a set of `Foo`."""
-  foosList(
-    """Only read the first `n` values of the set."""
-    first: Int
-
-    """Skip the first `n` values."""
-    offset: Int
-
-    """The method to use when ordering `Foo`."""
-    orderBy: [FoosOrderBy!]
-
-    """
-    A condition to be used in determining which values should be returned by the collection.
-    """
-    condition: FooCondition
-  ): [Foo!]!
+  """Reads a single `Foo` that is related to this `Baz`."""
+  foo: Foo
 }
 
 """
@@ -86,8 +72,8 @@ type Foo implements Node {
   """
   nodeId: ID!
   id: Int!
-  barId: Int
-  bazId: Int
+  barId: Int!
+  bazId: Int!
 
   """Reads a single `Bar` that is related to this `Foo`."""
   bar: Bar
@@ -202,8 +188,7 @@ type Query implements Node {
   ): [Foo!]
   bar(id: Int!): Bar
   baz(id: Int!): Baz
-  foo(id: Int!): Foo
-  fooByBarId(barId: Int!): Foo
+  foo(bazId: Int!): Foo
 
   """Reads a single `Bar` using its globally unique `ID`."""
   barByNodeId(

schema.sql

@@ -35,4 +35,5 @@ comment on view gql.baz is '@primaryKey id';
 comment on view gql.foo is '@primaryKey id
 @foreignKey (bar_id) references bar (id)
 @foreignKey (baz_id) references baz (id)
-@unique bar_id';
+@unique bar_id
+@unique baz_id';