Add memory_usage() to DatabaseEngine trait
@@ -27,6 +27,9 @@ pub trait DatabaseEngine: Send + Sync {
fn cleanup(self: &Self) -> Result<()> {
Ok(())
}
+ fn memory_usage(self: &Self) -> Result<String> {
+ Ok("Current database engine does not support memory usage reporting.".to_string())
+ }
}
pub trait Tree: Send + Sync {
