db_script.cql

CREATE KEYSPACE IF NOT EXISTS YouTubeMDApp WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 3};
USE YouTubeMDApp;
CREATE TABLE IF NOT EXISTS history (user_id int NOT NULL, file_id varchar NOT NULL);
CREATE TABLE IF NOT EXISTS metadata (title varchar, artist varchar, cover text, song_duration duration, music_file_id varchar NOT NULL, PRIMARY KEY (music_file_id));
CREATE TABLE IF NOT EXISTS music (file_id varchar NOT NULL,video_id varchar, audio_quality int, audio_format int, times_requested counter, is_metadata_by_user boolean, PRIMARY KEY (file_id));
CREATE TABLE IF NOT EXISTS playlist (playlist_unique_id UUID NOT NULL, playlist_id varchar NOT NULL, playlist_quality int, playlist_format int, number_elements int, times_requested counter, PRIMARY KEY (playlist_unique_id));
CREATE TABLE IF NOT EXISTS playlist_has_music (playlist_unique_id UUID NOT NULL, music_file_id varchar NOT NULL);
CREATE TABLE IF NOT EXISTS preferences (audio_quality varchar, audio_format varchar, os varchar, should_ask_metadata boolean, user_id int NOT NULL, PRIMARY KEY (user_id));
CREATE TABLE IF NOT EXISTS "User" (user_id int NOT NULL, username varchar, name text, first_use datetime, PRIMARY KEY (user_id));
CREATE TABLE IF NOT EXISTS Statistics (lang varchar, downloads counter, last_time_active datetime, user_id int NOT NULL, PRIMARY KEY(user_id));