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use crate::durability::Durability;
use crate::plumbing;
use crate::plumbing::QueryStorageOps;
use crate::Query;
use crate::QueryTable;
use std::iter::FromIterator;
pub trait DebugQueryTable {
type Key;
type Value;
fn durability(&self, key: Self::Key) -> Durability;
fn entries<C>(&self) -> C
where
C: FromIterator<TableEntry<Self::Key, Self::Value>>;
}
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct TableEntry<K, V> {
pub key: K,
pub value: Option<V>,
_for_future_use: (),
}
impl<K, V> TableEntry<K, V> {
pub(crate) fn new(key: K, value: Option<V>) -> TableEntry<K, V> {
TableEntry {
key,
value,
_for_future_use: (),
}
}
}
impl<DB, Q> DebugQueryTable for QueryTable<'_, DB, Q>
where
DB: plumbing::GetQueryTable<Q>,
Q: Query<DB>,
{
type Key = Q::Key;
type Value = Q::Value;
fn durability(&self, key: Q::Key) -> Durability {
self.storage.durability(self.db, &key)
}
fn entries<C>(&self) -> C
where
C: FromIterator<TableEntry<Self::Key, Self::Value>>,
{
self.storage.entries(self.db)
}
}