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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2026 metamuffin <metamuffin.org>
*/
use crate::{
backends::WriteTransaction,
filter::binning::Binning,
sort::Index,
table::{RowNum, TableNum},
};
use anyhow::Result;
use jellyobject::Object;
pub struct UnsortedIndex {
id: TableNum,
binning: Binning,
}
impl UnsortedIndex {
pub fn new(id: TableNum, binning: Binning) -> Self {
Self { id, binning }
}
fn keys(&self, id: RowNum, ob: Object) -> Vec<Vec<u8>> {
let mut keys = vec![self.id.to_be_bytes().to_vec()];
self.binning.apply(ob, &mut keys);
for k in &mut keys {
k.extend(id.to_ne_bytes());
}
keys
}
}
impl Index for UnsortedIndex {
fn add(&self, db: &mut dyn WriteTransaction, id: RowNum, ob: Object) -> Result<()> {
for key in self.keys(id, ob) {
db.set(&key, &[])?;
}
Ok(())
}
fn remove(&self, db: &mut dyn WriteTransaction, id: RowNum, ob: Object) -> Result<()> {
for key in self.keys(id, ob) {
db.del(&key)?;
}
Ok(())
}
fn compare(&self, before: Object, after: Object) -> bool {
self.keys(0, before) == self.keys(0, after)
}
}
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