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switch Iterator to Send + Iterator in return types

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This changes the SQLite implementation quite a bit. It may potentially
reduce performance, but allows using the new async API and removes some
usage of unsafe
This commit is contained in:
chayleaf 2024-06-23 00:31:27 +07:00
parent a7e34eb0b3
commit a8c9e3eebe
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GPG key ID: 78171AD46227E68E
37 changed files with 139 additions and 166 deletions
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6
src/database/abstraction.rs
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@ -50,13 +50,13 @@ pub trait KvTree: Send + Sync {
fn remove(&self, key: &[u8]) -> Result<()>;
fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
fn iter<'a>(&'a self) -> Box<dyn Send + Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
fn iter_from<'a>(
&'a self,
from: &[u8],
backwards: bool,
) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
) -> Box<dyn Send + Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
fn increment(&self, key: &[u8]) -> Result<Vec<u8>>;
fn increment_batch(&self, iter: &mut dyn Iterator<Item = Vec<u8>>) -> Result<()>;
@ -64,7 +64,7 @@ pub trait KvTree: Send + Sync {
fn scan_prefix<'a>(
&'a self,
prefix: Vec<u8>,
) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
) -> Box<dyn Send + Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>;
fn watch_prefix<'a>(&'a self, prefix: &[u8]) -> Pin<Box<dyn Future<Output = ()> + Send + 'a>>;