continuwuity/src/database/map/rev_keys_from.rs
Tom Foster b5a2e49ae4
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fix: Resolve Clippy CI failures from elided lifetime warnings
The latest Rust nightly compiler (2025-08-27) introduced the
elided-named-lifetimes lint which causes Clippy CI checks to fail
when an elided lifetime ('_) resolves to a named lifetime that's
already in scope.

This commit fixes the Clippy warnings by:
- Making lifetime relationships explicit where 'a is already in scope
- Keeping elided lifetimes ('_) in functions without explicit
  lifetime parameters
- Ensuring proper lifetime handling in the database pool module

Affected files (17 total):
- Database map modules: Handle, Key, and KeyVal references in get,
  qry, keys, and stream operations
- Database pool module: into_recv_seek function

This change resolves the CI build failures without changing any
functionality, ensuring the codebase remains compatible with the
latest nightly Clippy checks.
2025-08-28 21:13:19 +01:00

85 lines
2 KiB
Rust

use std::{convert::AsRef, fmt::Debug, sync::Arc};
use conduwuit::{Result, implement};
use futures::{FutureExt, Stream, StreamExt, TryFutureExt, TryStreamExt};
use rocksdb::Direction;
use serde::{Deserialize, Serialize};
use super::rev_stream_from::is_cached;
use crate::{
keyval::{Key, result_deserialize_key, serialize_key},
stream,
};
#[implement(super::Map)]
pub fn rev_keys_from<'a, K, P>(
self: &'a Arc<Self>,
from: &P,
) -> impl Stream<Item = Result<Key<'a, K>>> + Send + use<'a, K, P>
where
P: Serialize + ?Sized + Debug,
K: Deserialize<'a> + Send,
{
self.rev_keys_from_raw(from)
.map(result_deserialize_key::<K>)
}
#[implement(super::Map)]
#[tracing::instrument(skip(self), level = "trace")]
pub fn rev_keys_from_raw<P>(
self: &Arc<Self>,
from: &P,
) -> impl Stream<Item = Result<Key<'_>>> + Send + use<'_, P>
where
P: Serialize + ?Sized + Debug,
{
let key = serialize_key(from).expect("failed to serialize query key");
self.rev_raw_keys_from(&key)
}
#[implement(super::Map)]
pub fn rev_keys_raw_from<'a, K, P>(
self: &'a Arc<Self>,
from: &P,
) -> impl Stream<Item = Result<Key<'a, K>>> + Send + use<'a, K, P>
where
P: AsRef<[u8]> + ?Sized + Debug + Sync,
K: Deserialize<'a> + Send,
{
self.rev_raw_keys_from(from)
.map(result_deserialize_key::<K>)
}
#[implement(super::Map)]
#[tracing::instrument(skip(self, from), fields(%self), level = "trace")]
pub fn rev_raw_keys_from<P>(
self: &Arc<Self>,
from: &P,
) -> impl Stream<Item = Result<Key<'_>>> + Send + use<'_, P>
where
P: AsRef<[u8]> + ?Sized + Debug,
{
use crate::pool::Seek;
let opts = super::iter_options_default(&self.db);
let state = stream::State::new(self, opts);
if is_cached(self, from) {
return stream::KeysRev::<'_>::from(state.init_rev(from.as_ref().into())).boxed();
}
let seek = Seek {
map: self.clone(),
dir: Direction::Reverse,
key: Some(from.as_ref().into()),
state: crate::pool::into_send_seek(state),
res: None,
};
self.db
.pool
.execute_iter(seek)
.ok_into::<stream::KeysRev<'_>>()
.into_stream()
.try_flatten()
.boxed()
}