I have 2 tables:
Table : Movies
MovieID -- Name
1 -- Movie1
2 -- Movie2
Table: Types
MovieID -- Type
1 -- DVD
1 -- Bluray
1 -- VCD
2 -- DVD
I need a query to find out this in one row: Movie1: DVD - Bluray - VCD
Я использовал:
SELECT Movies.Name,
IF(TYPE = 'DVD', 1, 0 ) AS DVD,
IF(TYPE = 'Bluray', 1, 0 ) AS Bluray,
IF(TYPE = 'VCD', 1, 0 ) AS VCD
FROM Movies LEFT JOIN Types ON Movies.MovieID = Types.MovieID
Но он возвращает многопластинчатые строки:
Movies.Name -- DVD -- Bluray -- VCD
Movie1 -- 1 -- 0 -- 0
Movie1 -- 0 -- 1 -- 0
Movie1 -- 0 -- 0 -- 1
Movie2 -- 1 -- 0 -- 0
Я хочу:
Movie1 -- 1 -- 1 -- 1
Movie2 -- 1 -- 0 -- 0