How Can I Save & Retrieve an image (bytes) to SQLite (blob) using FMDB?

Question

I\'m making an iOS App that need to show some images from a remote site (from an URL), and everytime the users enter to the screen that should show the image, the app get fr

Answer 1

Methods Implementations based on fmdb.m examples

- (NSData *)getCoverForMovie:(Movie *)movie
{
    NSData *cover = nil;

    FMDatabase *db = [FMDatabase databaseWithPath:databasePath];

    [db open];
    FMResultSet *results = [db executeQueryWithFormat:@"SELECT * FROM COVERS WHERE movie = %i", movie.movieID];

    if([results next])
    {
        cover = [results dataForColumn:@"cover"];
    }

    return cover;
}


- (BOOL)saveCover:(NSData *)cover ForMovie:(Movie *)movie
{
    BOOL result;

    FMDatabase *db = [FMDatabase databaseWithPath:databasePath];

    [db open];

    result = [db executeUpdate:@"INSERT OR REPLACE INTO COVERS (movie, cover) VALUES (?,?)", movie.movieID, cover];

    return result;
}

Thanks to @ccgus for his answer.