diff options
| author | Max Kellermann <max@musicpd.org> | 2018-11-19 12:48:25 +0100 |
|---|---|---|
| committer | Max Kellermann <max@musicpd.org> | 2018-11-19 19:40:00 +0100 |
| commit | 841694ccf2acb75f75a812421ddb8e99a3f9d48b (patch) | |
| tree | 6bc21d82781c6ff9ae9e4deb221bf4f40ca7ac5b /src/db | |
| parent | 12f4a8255a701463575d4ccc429af87e3302f54c (diff) | |
db/Interface: document CollectUniqueTags()
Diffstat (limited to 'src/db')
| -rw-r--r-- | src/db/Interface.hxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/db/Interface.hxx b/src/db/Interface.hxx index 7a700557f..2bfdd0a44 100644 --- a/src/db/Interface.hxx +++ b/src/db/Interface.hxx @@ -105,6 +105,11 @@ public: return Visit(selection, VisitDirectory(), visit_song); } + /** + * Collect unique values of the given tag type. + * + * Throws on error. + */ virtual std::map<std::string, std::set<std::string>> CollectUniqueTags(const DatabaseSelection &selection, TagType tag_type, TagType group=TAG_NUM_OF_ITEM_TYPES) const = 0; |