Changed to use standard JPA annotations.

core/src/main/sql/migrations/20151209054632-initial-schema-up.sql

@@ -22,6 +22,7 @@ CREATE TABLE media_files (
   file_path VARCHAR NOT NULL,
   file_hash VARCHAR NOT NULL,
   meta_info_source VARCHAR NOT NULL, -- 'tag' or 'filesystem'
+  date_added TIMESTAMP NOT NULL DEFAULT NOW(),
   comment VARCHAR DEFAULT ''
 );
 
@@ -46,8 +47,11 @@ CREATE TABLE tags (
 
 CREATE TABLE playlists (
   id SERIAL PRIMARY KEY,
+  user_created BOOLEAN NOT NULL DEFAULT FALSE,
+  last_used TIMESTAMP NOT NULL DEFAULT NOW(),
   name VARCHAR NOT NULL,
-  mod_count INTEGER NOT NULL DEFAULT 0
+  mod_count INTEGER NOT NULL DEFAULT 0,
+  media_file_count INTEGER NOT NULL DEFAULT 0
 );
 
 CREATE TABLE playlists_media_files (
@@ -60,6 +64,7 @@ CREATE TABLE playlists_media_files (
 CREATE TABLE bookmarks (
   id SERIAL PRIMARY KEY,
   name VARCHAR,
+  user_created BOOLEAN NOT NULL DEFAULT FALSE,
   playlist_id INTEGER NOT NULL REFERENCES playlists(id) ON DELETE CASCADE,
   media_file_id INTEGER NOT NULL REFERENCES media_files(id) ON DELETE CASCADE,
   play_index INTEGER NOT NULL