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check cache prior to offloading iterator seek

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-12-17 10:43:14 +00:00 • committed by strawberry
parent f54a62dda0
commit ad8cbcaac1
7 changed files with 96 additions and 5 deletions
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5
src/database/map/rev_keys_from.rs
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@ -5,6 +5,7 @@ use futures::{FutureExt, Stream, StreamExt, TryFutureExt, TryStreamExt};
use rocksdb::Direction;
use serde::{Deserialize, Serialize};
use super::rev_stream_from::is_cached;
use crate::{
keyval::{result_deserialize_key, serialize_key, Key},
stream,
@ -62,6 +63,10 @@ where
let opts = super::iter_options_default();
let state = stream::State::new(&self.db, &self.cf, 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,