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undo sort_key() returning Cow

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This commit is contained in:
Alex Auvolat 2023-05-09 12:38:55 +02:00
parent 412ab77b08
commit 53bf2f070c
3 changed files with 8 additions and 18 deletions
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2
src/table/data.rs
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@ -347,7 +347,7 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
// ---- Utility functions ----
pub fn tree_key(&self, p: &F::P, s: &F::S) -> Vec<u8> {
[p.hash().as_slice(), s.sort_key().as_ref()].concat()
[p.hash().as_slice(), s.sort_key()].concat()
}
pub fn decode_entry(&self, bytes: &[u8]) -> Result<F::E, Error> {

18
src/table/schema.rs
View file

@ -1,5 +1,3 @@
use std::borrow::Cow;
use serde::{Deserialize, Serialize};
use garage_db as db;
@ -38,24 +36,18 @@ impl PartitionKey for FixedBytes32 {
/// Trait for field used to sort data
pub trait SortKey: Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static {
/// Get the key used to sort
fn sort_key(&self) -> Cow<'_, [u8]>;
fn sort_key(&self) -> &[u8];
}
impl SortKey for String {
fn sort_key(&self) -> Cow<'_, [u8]> {
Cow::from(self.as_bytes())
fn sort_key(&self) -> &[u8] {
self.as_bytes()
}
}
impl SortKey for FixedBytes32 {
fn sort_key(&self) -> Cow<'_, [u8]> {
Cow::from(self.as_slice())
}
}
impl SortKey for u32 {
fn sort_key(&self) -> Cow<'_, [u8]> {
Cow::from(u32::to_be_bytes(*self).to_vec())
fn sort_key(&self) -> &[u8] {
self.as_slice()
}
}

6
src/table/util.rs
View file

@ -1,5 +1,3 @@
use std::borrow::Cow;
use serde::{Deserialize, Serialize};
use garage_util::data::*;
@ -9,8 +7,8 @@ use crate::schema::*;
#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct EmptyKey;
impl SortKey for EmptyKey {
fn sort_key(&self) -> Cow<'_, [u8]> {
Cow::from(&[][..])
fn sort_key(&self) -> &[u8] {
&[]
}
}
impl PartitionKey for EmptyKey {