Extends JSON selects in Postgres tests

Adds nested JSON selects to the Postgres JSON typings test.

This includes nesting an array of people with the same first name and an object representing a potential match based on gender and age criteria.

Author: igalklebanov

test/typings/test-d/postgres-json.test-d.ts

@@ -42,7 +42,34 @@ async function testPostgresJsonSelects(db: Kysely<Database>) {
         first: eb.ref('first_name'),
         last: eb.ref('last_name'),
         full: sql<string>`first_name || ' ' || last_name`,
+        modified_at: eb.ref('modified_at'),
       }).as('name'),
+
+    // Nest other people with same first name.
+    (eb) =>
+      jsonArrayFrom(
+        eb
+          .selectFrom('person as other')
+          .where('other.id', '!=', eb.ref('person.id'))
+          .where('other.first_name', '=', eb.ref('person.first_name'))
+          .selectAll(),
+      ).as('people_same_first_name'),
+
+    // Nest an object that holds the first person that might be a match from the opposite gender and is not married.
+    (eb) =>
+      jsonObjectFrom(
+        eb
+          .selectFrom('person as match')
+          .where('match.gender', '!=', eb.ref('person.gender'))
+          .where('match.marital_status', '!=', 'married')
+          .where(
+            (eb) => eb.fn('abs', [eb('match.age', '-', eb.ref('person.age'))]),
+            '<=',
+            5,
+          )
+          .limit(1)
+          .selectAll(),
+      ).as('potential_match'),
   ])
 
   const r1 = await query.execute()
@@ -52,7 +79,32 @@ async function testPostgresJsonSelects(db: Kysely<Database>) {
       first_name: string
       pets: { name: string; species: 'dog' | 'cat' }[]
       doggo: { doggo_name: string } | null
-      name: { first: string; last: string | null; full: string }
+      name: {
+        first: string
+        last: string | null
+        full: string
+        modified_at: string
+      }
+      people_same_first_name: {
+        id: number
+        first_name: string
+        last_name: string | null
+        age: number
+        gender: 'male' | 'female' | 'other'
+        marital_status: 'single' | 'married' | 'divorced' | 'widowed' | null
+        modified_at: string
+        deleted_at: string | null
+      }[]
+      potential_match: {
+        id: number
+        first_name: string
+        last_name: string | null
+        age: number
+        gender: 'male' | 'female' | 'other'
+        marital_status: 'single' | 'married' | 'divorced' | 'widowed' | null
+        modified_at: string
+        deleted_at: string | null
+      } | null
     }[]
   >(r1)
 }