surrealdb/key/index/
bd.rs

1//! Stores BTree nodes for doc ids
2use crate::idx::trees::store::NodeId;
3use crate::key::error::KeyCategory;
4use crate::key::key_req::KeyRequirements;
5use derive::Key;
6use serde::{Deserialize, Serialize};
7
8#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Key)]
9pub struct Bd<'a> {
10	__: u8,
11	_a: u8,
12	pub ns: &'a str,
13	_b: u8,
14	pub db: &'a str,
15	_c: u8,
16	pub tb: &'a str,
17	_d: u8,
18	pub ix: &'a str,
19	_e: u8,
20	_f: u8,
21	_g: u8,
22	pub node_id: Option<NodeId>,
23}
24
25impl KeyRequirements for Bd<'_> {
26	fn key_category(&self) -> KeyCategory {
27		KeyCategory::IndexBTreeNode
28	}
29}
30
31impl<'a> Bd<'a> {
32	pub fn new(
33		ns: &'a str,
34		db: &'a str,
35		tb: &'a str,
36		ix: &'a str,
37		node_id: Option<NodeId>,
38	) -> Self {
39		Self {
40			__: b'/',
41			_a: b'*',
42			ns,
43			_b: b'*',
44			db,
45			_c: b'*',
46			tb,
47			_d: b'+',
48			ix,
49			_e: b'!',
50			_f: b'b',
51			_g: b'd',
52			node_id,
53		}
54	}
55}
56
57#[cfg(test)]
58mod tests {
59	#[test]
60	fn key() {
61		use super::*;
62		#[rustfmt::skip]
63		let val = Bd::new(
64			"testns",
65			"testdb",
66			"testtb",
67			"testix",
68			Some(7)
69		);
70		let enc = Bd::encode(&val).unwrap();
71		assert_eq!(enc, b"/*testns\0*testdb\0*testtb\0+testix\0!bd\x01\0\0\0\0\0\0\0\x07");
72		let dec = Bd::decode(&enc).unwrap();
73		assert_eq!(val, dec);
74	}
75}
surrealdb/key/index/bd.rs

surrealdb/key/index/
bd.rs
