[arrow-rs] branch master updated: object_store/InMemory: Add `fork()` fn and deprecate `clone()` fn (#4499)

[tustvold]

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tustvold pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow-rs.git


The following commit(s) were added to refs/heads/master by this push:
     new e5378be5c object_store/InMemory: Add `fork()` fn and deprecate 
`clone()` fn (#4499)
e5378be5c is described below

commit e5378be5cfd0648814f71e6bfd639ff2531b435e
Author: Tobias Bieniek <tobias@bieniek.cloud>
AuthorDate: Mon Jul 10 15:39:58 2023 +0200

    object_store/InMemory: Add `fork()` fn and deprecate `clone()` fn (#4499)
---
 object_store/src/memory.rs | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/object_store/src/memory.rs b/object_store/src/memory.rs
index 82d485997..98b3a15ee 100644
--- a/object_store/src/memory.rs
+++ b/object_store/src/memory.rs
@@ -287,14 +287,18 @@ impl InMemory {
         Self::default()
     }
 
-    /// Creates a clone of the store
-    pub async fn clone(&self) -> Self {
+    /// Creates a fork of the store, with the current content copied into the
+    /// new store.
+    pub fn fork(&self) -> Self {
         let storage = self.storage.read();
-        let storage = storage.clone();
+        let storage = Arc::new(RwLock::new(storage.clone()));
+        Self { storage }
+    }
 
-        Self {
-            storage: Arc::new(RwLock::new(storage)),
-        }
+    /// Creates a clone of the store
+    #[deprecated(note = "Use fork() instead")]
+    pub async fn clone(&self) -> Self {
+        self.fork()
     }
 
     async fn entry(&self, location: &Path) -> Result<(Bytes, DateTime<Utc>)> {