124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package migration
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import (
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"database/sql"
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"github.com/pressly/goose"
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)
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func init() {
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goose.AddMigration(Up20200608153717, Down20200608153717)
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}
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func Up20200608153717(tx *sql.Tx) error {
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// First delete dangling players
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_, err := tx.Exec(`
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delete from player where user_name not in (select user_name from user)`)
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if err != nil {
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return err
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}
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// Add foreign key to player table
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err = updatePlayer_20200608153717(tx)
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if err != nil {
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return err
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}
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// Add foreign key to playlist table
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err = updatePlaylist_20200608153717(tx)
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if err != nil {
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return err
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}
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// Add foreign keys to playlist_tracks table
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return updatePlaylistTracks_20200608153717(tx)
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}
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func updatePlayer_20200608153717(tx *sql.Tx) error {
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_, err := tx.Exec(`
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create table player_dg_tmp
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(
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id varchar(255) not null
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primary key,
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name varchar not null
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unique,
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type varchar,
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user_name varchar not null
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references user (user_name)
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on update cascade on delete cascade,
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client varchar not null,
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ip_address varchar,
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last_seen timestamp,
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max_bit_rate int default 0,
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transcoding_id varchar null
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);
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insert into player_dg_tmp(id, name, type, user_name, client, ip_address, last_seen, max_bit_rate, transcoding_id) select id, name, type, user_name, client, ip_address, last_seen, max_bit_rate, transcoding_id from player;
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drop table player;
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alter table player_dg_tmp rename to player;
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`)
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return err
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}
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func updatePlaylist_20200608153717(tx *sql.Tx) error {
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_, err := tx.Exec(`
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create table playlist_dg_tmp
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(
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id varchar(255) not null
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primary key,
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name varchar(255) default '' not null,
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comment varchar(255) default '' not null,
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duration real default 0 not null,
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song_count integer default 0 not null,
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owner varchar(255) default '' not null
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constraint playlist_user_user_name_fk
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references user (user_name)
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on update cascade on delete cascade,
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public bool default FALSE not null,
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created_at datetime,
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updated_at datetime
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);
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insert into playlist_dg_tmp(id, name, comment, duration, song_count, owner, public, created_at, updated_at) select id, name, comment, duration, song_count, owner, public, created_at, updated_at from playlist;
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drop table playlist;
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alter table playlist_dg_tmp rename to playlist;
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create index playlist_name
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on playlist (name);
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`)
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return err
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}
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func updatePlaylistTracks_20200608153717(tx *sql.Tx) error {
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_, err := tx.Exec(`
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create table playlist_tracks_dg_tmp
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(
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id integer default 0 not null,
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playlist_id varchar(255) not null
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constraint playlist_tracks_playlist_id_fk
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references playlist
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on update cascade on delete cascade,
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media_file_id varchar(255) not null
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);
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insert into playlist_tracks_dg_tmp(id, playlist_id, media_file_id) select id, playlist_id, media_file_id from playlist_tracks;
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drop table playlist_tracks;
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alter table playlist_tracks_dg_tmp rename to playlist_tracks;
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create unique index playlist_tracks_pos
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on playlist_tracks (playlist_id, id);
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`)
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return err
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}
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func Down20200608153717(tx *sql.Tx) error {
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return nil
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}
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