Method put_change_deps

atomic-core/src/pristine/txn/write/mod.rs:1458–1502

(&mut self, change_id: NodeId, deps: &[Hash])

    }

    fn put_change_deps(&mut self, change_id: NodeId, deps: &[Hash]) -> PristineResult<()> {
        let existing: Vec<[u8; 32]> = {
            let table = self.txn.open_multimap_table(CHANGE_DEPS)?;
            let iter = table.get(change_id.get())?;
            let mut hashes = Vec::new();
            for item in iter {
                hashes.push(*item?.value());
            }
            hashes
        };

        if !existing.is_empty() {
            {
                let mut table = self.txn.open_multimap_table(CHANGE_DEPS)?;
                for dep in &existing {
                    table.remove(change_id.get(), dep)?;
                }
            }
            {
                let mut table = self.txn.open_multimap_table(REV_CHANGE_DEPS)?;
                for dep in &existing {
                    table.remove(dep, change_id.get())?;
                }
            }
        }

        {
            let mut table = self.txn.open_multimap_table(CHANGE_DEPS)?;
            for dep in deps {
                table.insert(change_id.get(), dep.as_bytes())?;
            }
        }
        {
            let mut table = self.txn.open_multimap_table(REV_CHANGE_DEPS)?;
            for dep in deps {
                table.insert(dep.as_bytes(), change_id.get())?;
            }
        }
        {
            let mut table = self.txn.open_table(CHANGE_DEPS_INDEXED)?;
            table.insert(change_id.get(), deps.len() as u64)?;
        }

        Ok(())
    }

    fn alloc_inode(&mut self) -> PristineResult<Inode> {
        let id = self.next_inode.fetch_add(1, Ordering::SeqCst);