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Fix updates serialization to use serde_json instead of bincode

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Clément Renault 2019-10-17 12:31:46 +02:00
parent 261c21b057
commit 1cf6afad9a
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1 changed files with 23 additions and 3 deletions
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26
meilidb-core/src/store/updates.rs
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@ -1,11 +1,31 @@
use zlmdb::types::{OwnedType, Serde}; use std::borrow::Cow;
use zlmdb::Result as ZResult; use zlmdb::types::OwnedType;
use zlmdb::{Result as ZResult, BytesEncode, BytesDecode};
use serde::{Serialize, Deserialize};
use crate::update::Update; use crate::update::Update;
use super::BEU64; use super::BEU64;
pub struct SerdeJson<T>(std::marker::PhantomData<T>);
impl<T> BytesEncode for SerdeJson<T> where T: Serialize {
type EItem = T;
fn bytes_encode(item: &Self::EItem) -> Option<Cow<[u8]>> {
serde_json::to_vec(item).map(Cow::Owned).ok()
}
}
impl<'a, T: 'a> BytesDecode<'a> for SerdeJson<T> where T: Deserialize<'a> + Clone {
type DItem = T;
fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
serde_json::from_slice(bytes).ok()
}
}
#[derive(Copy, Clone)] #[derive(Copy, Clone)]
pub struct Updates { pub struct Updates {
pub(crate) updates: zlmdb::Database<OwnedType<BEU64>, Serde<Update>>, pub(crate) updates: zlmdb::Database<OwnedType<BEU64>, SerdeJson<Update>>,
} }
impl Updates { impl Updates {