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feat: first implementation of KeyValue data export

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This commit is contained in:
Tglman 2023-08-22 01:47:11 +01:00
parent c901ac0bb8
commit 6c8da70122
3 changed files with 55 additions and 2 deletions
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18
src/database/abstraction/persy.rs
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@ -1,6 +1,6 @@
use crate::{
database::{
abstraction::{watchers::Watchers, KeyValueDatabaseEngine, KvTree},
abstraction::{watchers::Watchers, KeyValueDatabaseEngine, KvExport, KvTree},
Config,
},
Result,
@ -45,6 +45,22 @@ impl KeyValueDatabaseEngine for Arc<Engine> {
fn flush(&self) -> Result<()> {
Ok(())
}
fn export(&self, exporter: &mut Box<dyn KvExport>) -> Result<()> {
let snapshot = self.persy.snapshot()?;
let indexes = snapshot.list_indexes()?;
for (index, _) in indexes {
exporter.start_index(&index)?;
let data = snapshot.range::<ByteVec, ByteVec, _>(&index, ..)?;
for (key, values) in data {
for value in values {
exporter.key_value(&key, &value)?;
}
}
exporter.end_index(&index)?;
}
Ok(())
}
}
pub struct PersyTree {