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Abstract database behind generic interface and implement alternative drivers #322

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lx merged 64 commits from db-abstraction into main 2022-06-08 08:01:56 +00:00
Conversation 0 Commits 64 Files changed 42 +3 -9
1 changed files with 3 additions and 9 deletions
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Showing only changes of commit 8c6f690fa5 - Show all commits

12
src/block/rc.rs
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@ -22,9 +22,7 @@ impl BlockRc {
pub(crate) fn block_incref(&self, tx: &mut db::Transaction, hash: &Hash) -> db::Result<bool> {
let old_rc = RcEntry::parse_opt(tx.get(&self.rc, &hash)?);
match old_rc.increment().serialize() {
Some(x) => {
tx.insert(&self.rc, &hash, x)?;
}
Some(x) => tx.insert(&self.rc, &hash, x)?,
None => unreachable!(),
};
Ok(old_rc.is_zero())
@ -35,12 +33,8 @@ impl BlockRc {
pub(crate) fn block_decref(&self, tx: &mut db::Transaction, hash: &Hash) -> db::Result<bool> {
let new_rc = RcEntry::parse_opt(tx.get(&self.rc, &hash)?).decrement();
match new_rc.serialize() {
Some(x) => {
tx.insert(&self.rc, &hash, x)?;
}
None => {
tx.remove(&self.rc, &hash)?;
}
Some(x) => tx.insert(&self.rc, &hash, x)?,
None => tx.remove(&self.rc, &hash)?,
};
Ok(matches!(new_rc, RcEntry::Deletable { .. }))
}