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Storage chains: indexing, renewals and reference counting (#8265)

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* Transaction indexing

* Tests and fixes

* Fixed a comment

* Style

* Build

* Style

* Apply suggestions from code review

Co-authored-by: cheme <emericchevalier.pro@gmail.com>

* Code review suggestions

* Add missing impl

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* impl JoinInput

* Don't store empty slices

* JoinInput operates on slices

Co-authored-by: cheme <emericchevalier.pro@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Arkadiy Paronyan
2021-03-18 12:46:27 +01:00
committed by GitHub
parent f69f79cc20
commit 4a0d6d9490
22 changed files with 600 additions and 246 deletions
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substrate/client/db/src/parity_db.rs
+8 -4
View File
@@ -33,7 +33,7 @@ fn handle_err<T>(result: parity_db::Result<T>) -> T {
}
/// Wrap parity-db database into a trait object that implements `sp_database::Database`
pub fn open<H: Clone>(path: &std::path::Path, db_type: DatabaseType)
pub fn open<H: Clone + AsRef<[u8]>>(path: &std::path::Path, db_type: DatabaseType)
-> parity_db::Result<std::sync::Arc<dyn Database<H>>>
{
let mut config = parity_db::Options::with_columns(path, NUM_COLUMNS as u8);
@@ -48,7 +48,7 @@ pub fn open<H: Clone>(path: &std::path::Path, db_type: DatabaseType)
Ok(std::sync::Arc::new(DbAdapter(db)))
}
impl<H: Clone> Database<H> for DbAdapter {
impl<H: Clone + AsRef<[u8]>> Database<H> for DbAdapter {
fn commit(&self, transaction: Transaction<H>) -> Result<(), DatabaseError> {
handle_err(self.0.commit(transaction.0.into_iter().map(|change|
match change {
@@ -65,7 +65,11 @@ impl<H: Clone> Database<H> for DbAdapter {
handle_err(self.0.get(col as u8, key))
}
fn lookup(&self, _hash: &H) -> Option<Vec<u8>> {
unimplemented!();
fn contains(&self, col: ColumnId, key: &[u8]) -> bool {
handle_err(self.0.get_size(col as u8, key)).is_some()
}
fn value_size(&self, col: ColumnId, key: &[u8]) -> Option<usize> {
handle_err(self.0.get_size(col as u8, key)).map(|s| s as usize)
}
}