reifydb-core 0.9.1

Core database interfaces and data structures for ReifyDB
Documentation 
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// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2026 ReifyDB

use crate::{
	key::{
		operator::{
			state::{GroupId, KeyspaceId},
			traits::Keyspace,
		},
		typed::{
			BoundedKey, DenseKey, KeyLayout,
			direction::{Desc, Direction, KeyField},
			layout::{KeyColumn, KeyColumnType, KeyLayout, KeyValue, KeyValues},
		},
	},
	metrics::heap::HeapSize,
};

#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, KeyLayout, HeapSize)]
pub struct DistinctEntryKey {
	pub group: Desc<GroupId>,
}

#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, KeyLayout, HeapSize)]
pub struct DistinctLayoutKey {}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct DistinctEntry;

impl Keyspace for DistinctEntry {
	const ID: KeyspaceId = KeyspaceId::DISTINCT_ENTRY;
	const NAME: &'static str = "DISTINCT_ENTRY";
	const RANGE_CACHED: bool = true;

	type GroupedKey = DistinctEntryKey;
	type Suffix = ();

	fn split(key: &Self::GroupedKey) -> (GroupId, Self::Suffix) {
		(key.group.0, ())
	}

	fn join(group: GroupId, _suffix: Self::Suffix) -> Self::GroupedKey {
		DistinctEntryKey {
			group: Desc(group),
		}
	}
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct DistinctLayout;

impl Keyspace for DistinctLayout {
	const ID: KeyspaceId = KeyspaceId::DISTINCT_LAYOUT;
	const NAME: &'static str = "DISTINCT_LAYOUT";
	const RANGE_CACHED: bool = true;

	type GroupedKey = DistinctLayoutKey;
	type Suffix = DistinctLayoutKey;

	fn split(key: &Self::GroupedKey) -> (GroupId, Self::Suffix) {
		(GroupId::ROOT, *key)
	}

	fn join(_group: GroupId, suffix: Self::Suffix) -> Self::GroupedKey {
		suffix
	}
}