maokaihe/mini_lsm
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add key abstraction and prepare for MVCC (#28)

Browse Source 
* add key abstraction and prepare for MVCC

Signed-off-by: Alex Chi <iskyzh@gmail.com>

* a little bit type exercise

Signed-off-by: Alex Chi <iskyzh@gmail.com>

* refactor tests

Signed-off-by: Alex Chi <iskyzh@gmail.com>

* fix clippy warnings

Signed-off-by: Alex Chi <iskyzh@gmail.com>

* refactor starter code

Signed-off-by: Alex Chi <iskyzh@gmail.com>

* final touch docs

Signed-off-by: Alex Chi <iskyzh@gmail.com>

---------

Signed-off-by: Alex Chi <iskyzh@gmail.com>
This commit is contained in:
Alex Chi Z
2024-01-25 10:59:08 +08:00
committed by GitHub
parent 2fefe3e505
commit a3a92359e1
42 changed files with 824 additions and 281 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
mini-lsm-starter/src/iterators/two_merge_iterator.rs
View File

@@ -3,6 +3,8 @@
use anyhow::Result;
use crate::key::KeySlice;
use super::StorageIterator;
/// Merges two iterators of different types into one. If the two iterators have the same key, only
@@ -13,14 +15,24 @@ pub struct TwoMergeIterator<A: StorageIterator, B: StorageIterator> {
// Add fields as need
}
impl<A: StorageIterator, B: StorageIterator> TwoMergeIterator<A, B> {
impl<
A: 'static + for<'a> StorageIterator<KeyType<'a> = KeySlice<'a>>,
B: 'static + for<'a> StorageIterator<KeyType<'a> = KeySlice<'a>>,
> TwoMergeIterator<A, B>
{
pub fn create(a: A, b: B) -> Result<Self> {
unimplemented!()
}
}
impl<A: StorageIterator, B: StorageIterator> StorageIterator for TwoMergeIterator<A, B> {
fn key(&self) -> &[u8] {
impl<
A: 'static + for<'a> StorageIterator<KeyType<'a> = KeySlice<'a>>,
B: 'static + for<'a> StorageIterator<KeyType<'a> = KeySlice<'a>>,
> StorageIterator for TwoMergeIterator<A, B>
{
type KeyType<'a> = KeySlice<'a>;
fn key(&self) -> KeySlice {
unimplemented!()
}