-- track name
select * from tracks limit 10
select * from track_artists limit 10
select * from artists limit 10


-- join
SELECT 
	t.rowid, 
--	t.id, 
--	t.album_rowid,
	t.name           			AS track_name, 
	t.popularity     			AS tracks_popularity, 
	t.track_number   			AS track_number, 
	t.duration_ms    			AS duration, 
--	ta.artist_rowid, 
--	ta.track_rowid,
	ar.rowid         			AS artist_rowid,
--	GROUP_CONCAT(ar.name, ', ') AS artists_names,
	ar.popularity               AS artists_popularity,
	al.name                     AS album_name,
	al.popularity       		AS album_popularity,
	al.release_date  			AS album_release_date
FROM tracks t
JOIN track_artists ta ON t.rowid = ta.track_rowid
JOIN artists ar ON ta.artist_rowid = ar.rowid 
JOIN albums al ON t.album_rowid = al.rowid 
--GROUP BY t.rowid
LIMIT 15


----
ATTACH DATABASE 'spotify_tracks_ranking.sqlite3' AS newdb;
CREATE TABLE newdb.tracks_ranking AS
SELECT 
    t.rowid                                                     AS track_rowid,                          
    t.name 													    AS track_name, 
    t.popularity 												AS tracks_popularity, 
    GROUP_CONCAT(ar.name || ' (' || ar.popularity || ')')       AS artists,
    ar.popularity 												AS artists_popularity,
    al.name 													AS album_name,
    al.popularity 												AS album_popularity,
    al.release_date 											AS album_release_date
FROM tracks t
JOIN track_artists ta ON t.rowid = ta.track_rowid
JOIN artists ar ON ta.artist_rowid = ar.rowid 
JOIN albums al ON t.album_rowid = al.rowid 
GROUP BY t.rowid
ORDER BY tracks_popularity DESC, album_release_date ASC;
COMMIT;
----

----
BEGIN;

ATTACH DATABASE 'spotify_tracks_ranking.sqlite3' AS newdb;

CREATE TABLE newdb.tracks_ranking AS
SELECT *
FROM new_table_name
ORDER BY tracks_popularity DESC, album_release_date ASC;

COMMIT;

DETACH DATABASE newdb;

COMMIT;


CREATE TABLE newdb.test AS
SELECT * FROM new_table_name LIMIT 1;

SELECT COUNT(*) FROM new_table_name;

----
SELECT COUNT(*) FROM new_table_name;
PRAGMA database_list;
SELECT COUNT(*) FROM newdb.tracks_ranking;
SELECT COUNT(*) FROM newdb.tracks_ranking;










SELECT 
    t.name AS track_name, 
    t.popularity AS tracks_popularity, 
    al.name AS album_name, 
    al.release_date AS albums_release_date, 
    ar.name AS artists_name, 
    ar.popularity AS artists_popularity, 
    GROUP_CONCAT(ag.genre, ', ') AS artist_genres
FROM tracks t
JOIN albums al ON t.album_rowid = al.rowid
JOIN track_artists ta ON t.rowid = ta.track_rowid
JOIN artists ar ON ta.artist_rowid = ar.rowid
LEFT JOIN artist_genres ag ON ar.rowid = ag.artist_rowid
GROUP BY t.rowid, ar.rowid
LIMIT 100;