conduwuit/src/database/map/rev_keys.rs
Jason Volk 65a370836c derive specific ReadOptions for iterators
Signed-off-by: Jason Volk <jason@zemos.net>
2024-12-08 07:12:27 +00:00

20 lines
631 B
Rust

use conduit::{implement, Result};
use futures::{Stream, StreamExt};
use serde::Deserialize;
use crate::{keyval, keyval::Key, stream, stream::Cursor};
#[implement(super::Map)]
pub fn rev_keys<'a, K>(&'a self) -> impl Stream<Item = Result<Key<'_, K>>> + Send
where
K: Deserialize<'a> + Send,
{
self.rev_raw_keys().map(keyval::result_deserialize_key::<K>)
}
#[implement(super::Map)]
#[tracing::instrument(skip(self), fields(%self), level = "trace")]
pub fn rev_raw_keys(&self) -> impl Stream<Item = Result<Key<'_>>> + Send {
let opts = super::iter_options_default();
stream::KeysRev::new(&self.db, &self.cf, opts).init(None)
}