diff options
Diffstat (limited to 'src/db/lib.rs')
| -rw-r--r-- | src/db/lib.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/db/lib.rs b/src/db/lib.rs index 0fb457ce..7f19172f 100644 --- a/src/db/lib.rs +++ b/src/db/lib.rs @@ -19,6 +19,7 @@ use core::ops::{Bound, RangeBounds}; use std::borrow::Cow; use std::cell::Cell; +use std::path::PathBuf; use std::sync::Arc; use err_derive::Error; @@ -48,6 +49,12 @@ pub type TxValueIter<'a> = Box<dyn std::iter::Iterator<Item = TxOpResult<(Value, #[error(display = "{}", _0)] pub struct Error(pub Cow<'static, str>); +impl From<std::io::Error> for Error { + fn from(e: std::io::Error) -> Error { + Error(format!("IO: {}", e).into()) + } +} + pub type Result<T> = std::result::Result<T, Error>; #[derive(Debug, Error)] @@ -129,6 +136,10 @@ impl Db { } } + pub fn snapshot(&self, path: &PathBuf) -> Result<()> { + self.0.snapshot(path) + } + pub fn import(&self, other: &Db) -> Result<()> { let existing_trees = self.list_trees()?; if !existing_trees.is_empty() { @@ -325,6 +336,7 @@ pub(crate) trait IDb: Send + Sync { fn engine(&self) -> String; fn open_tree(&self, name: &str) -> Result<usize>; fn list_trees(&self) -> Result<Vec<String>>; + fn snapshot(&self, path: &PathBuf) -> Result<()>; fn get(&self, tree: usize, key: &[u8]) -> Result<Option<Value>>; fn len(&self, tree: usize) -> Result<usize>; |