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Fixed SQL error when reading large playlist

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This commit is contained in:
Antoine Gersant 2017-07-10 22:33:00 -07:00
parent 0f0fce66ce
commit 9d0ecc5531
1 changed files with 11 additions and 8 deletions
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17
src/playlist.rs
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@ -13,6 +13,8 @@ use index::Song;
use vfs::VFSSource;
use errors::*;
const PLAYLIST_CHUNK: usize = 500;
#[derive(Insertable)]
#[table_name="playlists"]
struct NewPlaylist {
@ -151,6 +153,7 @@ fn read_playlist<T>(playlist_name: &str, owner: &str, db: &T) -> Result<Vec<Song
let song_paths: Vec<String>;
let unique_songs: Vec<Song>;
let vfs = db.get_vfs()?;
let mut songs_map: HashMap<String, Song> = HashMap::new();
{
let connection = db.get_connection();
@ -184,15 +187,15 @@ fn read_playlist<T>(playlist_name: &str, owner: &str, db: &T) -> Result<Vec<Song
// Find Song objects at the relevant paths
{
use self::songs::dsl::*;
unique_songs = songs
.filter(path.eq_any(&song_paths))
for chunk in song_paths[..].chunks(PLAYLIST_CHUNK) {
let unique_songs: Vec<Song> = songs
.filter(path.eq_any(chunk))
.get_results(connection.deref())?;
}
}
let mut songs_map: HashMap<&str, &Song> = HashMap::new();
for playlist_song in &unique_songs {
songs_map.insert(&playlist_song.path, &playlist_song);
songs_map.insert(playlist_song.path.clone(), playlist_song.clone());
}
}
}
}
// Build playlist