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Tree::fetch_update: Do not remove and re-add entries.

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Better cloning the value than writing another entry!
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ppom 2025-08-08 12:00:00 +02:00
commit 10bd0a1859
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2 changed files with 2 additions and 1 deletions
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1
TODO
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@ -6,3 +6,4 @@ should an ipv6-mapped ipv4 match a pattern of type ipv6?
should it be normalized as ipv4 then?
fix filter commands executing before start commands
fix order of db write subject to race condition (make writes async?)

2
src/treedb/mod.rs
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@ -364,7 +364,7 @@ impl<K: KeyType, V: ValueType> Tree<K, V> {
key: K,
mut f: F,
) -> Option<V> {
let old_value = self.remove(&key);
let old_value = self.get(&key).map(|v| v.to_owned());
let new_value = f(old_value);
self.log(&key, new_value.as_ref());
if let Some(new_value) = new_value {