test: add bulk insert to loadtest (#2358)

test/load/fixtures.sql

@@ -13,9 +13,15 @@ INSERT INTO test.actors VALUES (1, 'John Doe');
 
 -- POST target needs generated PK
 CREATE TABLE test.films (
-  PRIMARY KEY (film),
-  film  INT GENERATED BY DEFAULT AS IDENTITY,
-  title TEXT
+  id  INT PRIMARY KEY,
+  title TEXT,
+  year TEXT,
+  runtime TEXT,
+  genres TEXT[],
+  director TEXT,
+  actors TEXT,
+  plot TEXT,
+  "posterUrl" TEXT
 );
 
 -- DELETE target remains empty

test/load/post.json

@@ -1,3 +1,4 @@
 {
+  "id": 0,
   "title": "Workers Leaving The Lumière Factory In Lyon"
 }

test/load/targets.http

@@ -11,6 +11,11 @@ POST http://postgrest/films?columns=title
 Prefer: tx=rollback
 @post.json
 
+POST http://postgrest/films?columns=id,title,year,runtime,genres,director,actors,plot,posterUrl
+Prefer: tx=rollback
+# this bulk.json was obtained from https://github.com/erik-sytnyk/movies-list/blob/master/db.json
+@bulk.json
+
 PUT http://postgrest/actors?actor=eq.1&columns=name
 Prefer: tx=rollback
 @put.json