From 18c6b2def3db45d43ebbfbfe21f1264e5e2879df Mon Sep 17 00:00:00 2001
From: Aiden McClelland <me@drbonez.dev>
Date: Thu, 7 Oct 2021 15:25:02 -0600
Subject: [PATCH] more logging

---
 patch-db/src/store.rs       | 5 +++--
 patch-db/src/transaction.rs | 8 +++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/patch-db/src/store.rs b/patch-db/src/store.rs
index 168ac80..dded388 100644
--- a/patch-db/src/store.rs
+++ b/patch-db/src/store.rs
@@ -177,6 +177,9 @@ impl Store {
             return Ok(None);
         }
 
+        #[cfg(feature = "log")]
+        log::trace!("Attempting to apply patch: {:?}", patch);
+
         self.check_cache_corrupted()?;
         let patch_bin = serde_cbor::to_vec(&*patch)?;
         json_patch::patch(self.get_data_mut()?, &*patch)?;
@@ -274,8 +277,6 @@ impl PatchDb {
         } else {
             self.store.write().await
         };
-        #[cfg(feature = "log")]
-        log::trace!("Attempting to apply patch: {:?}", patch);
         let rev = store.apply(patch, expire_id).await?;
         if let Some(rev) = rev.as_ref() {
             self.subscriber.send(rev.clone()).unwrap_or_default(); // ignore errors
diff --git a/patch-db/src/transaction.rs b/patch-db/src/transaction.rs
index 8b18316..c8dbdc2 100644
--- a/patch-db/src/transaction.rs
+++ b/patch-db/src/transaction.rs
@@ -146,7 +146,13 @@ impl<Parent: DbHandle + Send + Sync> DbHandle for Transaction<Parent> {
             self.rebase()?;
             self.parent.get_value(ptr, Some(store)).await?
         };
-        json_patch::patch(&mut data, &*self.updates.for_path(ptr))?;
+        let path_updates = self.updates.for_path(ptr);
+        if !(path_updates.0).0.is_empty() {
+            #[cfg(feature = "log")]
+            log::trace!("applying patch {:?} at path {}", path_updates, ptr);
+
+            json_patch::patch(&mut data, &*path_updates)?;
+        }
         Ok(data)
     }
     async fn put_value<S: AsRef<str> + Send + Sync, V: SegList + Send + Sync>(