reifydb_core/encoded/
dictionary_id.rs

1// SPDX-License-Identifier: AGPL-3.0-or-later
2// Copyright (c) 2025 ReifyDB
3
4use std::ptr;
5
6use reifydb_type::value::{constraint::Constraint, dictionary::DictionaryEntryId, r#type::Type};
7
8use crate::encoded::{encoded::EncodedValues, schema::Schema};
9
10impl Schema {
11	pub fn set_dictionary_id(&self, row: &mut EncodedValues, index: usize, entry: &DictionaryEntryId) {
12		let field = &self.fields()[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(*field.constraint.get_type().inner_type(), Type::DictionaryId);
15		row.set_valid(index, true);
16		unsafe {
17			let ptr = row.make_mut().as_mut_ptr().add(field.offset as usize);
18			match entry {
19				DictionaryEntryId::U1(v) => ptr.write_unaligned(*v),
20				DictionaryEntryId::U2(v) => ptr::write_unaligned(ptr as *mut u16, *v),
21				DictionaryEntryId::U4(v) => ptr::write_unaligned(ptr as *mut u32, *v),
22				DictionaryEntryId::U8(v) => ptr::write_unaligned(ptr as *mut u64, *v),
23				DictionaryEntryId::U16(v) => ptr::write_unaligned(ptr as *mut u128, *v),
24			}
25		}
26	}
27
28	pub fn get_dictionary_id(&self, row: &EncodedValues, index: usize) -> DictionaryEntryId {
29		let field = &self.fields()[index];
30		debug_assert!(row.len() >= self.total_static_size());
31		debug_assert_eq!(*field.constraint.get_type().inner_type(), Type::DictionaryId);
32		let id_type = match field.constraint.constraint() {
33			Some(Constraint::Dictionary(_, id_type)) => id_type.clone(),
34			_ => Type::Uint4, // fallback
35		};
36		unsafe {
37			let ptr = row.as_ptr().add(field.offset as usize);
38			let raw: u128 = match id_type {
39				Type::Uint1 => ptr.read_unaligned() as u128,
40				Type::Uint2 => (ptr as *const u16).read_unaligned() as u128,
41				Type::Uint4 => (ptr as *const u32).read_unaligned() as u128,
42				Type::Uint8 => (ptr as *const u64).read_unaligned() as u128,
43				Type::Uint16 => (ptr as *const u128).read_unaligned(),
44				_ => (ptr as *const u32).read_unaligned() as u128,
45			};
46			DictionaryEntryId::from_u128(raw, id_type).unwrap()
47		}
48	}
49
50	pub fn try_get_dictionary_id(&self, row: &EncodedValues, index: usize) -> Option<DictionaryEntryId> {
51		if row.is_defined(index) && self.fields()[index].constraint.get_type() == Type::DictionaryId {
52			Some(self.get_dictionary_id(row, index))
53		} else {
54			None
55		}
56	}
57}
reifydb_core/encoded/dictionary_id.rs

reifydb_core/encoded/
dictionary_id.rs
