MyFavMirrors/owntone-server
1
0
Fork 0
mirror of https://github.com/owntone/owntone-server.git synced 2024-12-26 23:25:56 -05:00
Code Issues Packages Projects Releases Wiki Activity

[db] Add function to cleanup the 'groups' table (artists and albums)

Browse Source 
Allows removing of item no longer referenced from the files table
This commit is contained in:
chme 2016-12-14 19:28:27 +01:00
parent 1ab9151489
commit 3d3c27190b
2 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/db.c
View File

@ -3385,6 +3385,44 @@ db_groups_clear(void)
return db_query_run("DELETE FROM groups;", 0, 1);
}
/*
* Remove album and artist entries in the groups table that are not longer referenced from the files table
*/
int
db_groups_cleanup()
{
#define Q_TMPL_ALBUM "DELETE FROM groups WHERE type = 1 AND NOT persistentid IN (SELECT songalbumid from files WHERE disabled = 0);"
#define Q_TMPL_ARTIST "DELETE FROM groups WHERE type = 2 AND NOT persistentid IN (SELECT songartistid from files WHERE disabled = 0);"
int ret;
db_transaction_begin();
ret = db_query_run(Q_TMPL_ALBUM, 0, 0);
if (ret < 0)
{
db_transaction_rollback();
return -1;
}
DPRINTF(E_DBG, L_DB, "Removed album group-entries: %d\n", sqlite3_changes(hdl));
ret = db_query_run(Q_TMPL_ARTIST, 0, 0);
if (ret < 0)
{
db_transaction_rollback();
return -1;
}
DPRINTF(E_DBG, L_DB, "Removed artist group-entries: %d\n", sqlite3_changes(hdl));
db_transaction_end();
return 0;
#undef Q_TMPL_ALBUM
#undef Q_TMPL_ARTIST
}
static enum group_type
db_group_type_bypersistentid(int64_t persistentid)
{

3
src/db.h
View File

@ -617,6 +617,9 @@ db_pl_enable_bycookie(uint32_t cookie, char *path);
int
db_groups_clear(void);
int
db_groups_cleanup();
int
db_group_persistentid_byid(int id, int64_t *persistentid);