reifydb_core/value/encoded/
i32.rs

1// Copyright (c) reifydb.com 2025
2// This file is licensed under the AGPL-3.0-or-later, see license.md file
3
4use std::ptr;
5
6use reifydb_type::Type;
7
8use crate::value::encoded::{EncodedValues, EncodedValuesLayout};
9
10impl EncodedValuesLayout {
11	pub fn set_i32(&self, row: &mut EncodedValues, index: usize, value: impl Into<i32>) {
12		let field = &self.fields[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(field.r#type, Type::Int4);
15		row.set_valid(index, true);
16		unsafe { ptr::write_unaligned(row.make_mut().as_mut_ptr().add(field.offset) as *mut i32, value.into()) }
17	}
18
19	pub fn get_i32(&self, row: &EncodedValues, index: usize) -> i32 {
20		let field = &self.fields[index];
21		debug_assert!(row.len() >= self.total_static_size());
22		debug_assert_eq!(field.r#type, Type::Int4);
23		unsafe { (row.as_ptr().add(field.offset) as *const i32).read_unaligned() }
24	}
25
26	pub fn try_get_i32(&self, row: &EncodedValues, index: usize) -> Option<i32> {
27		if row.is_defined(index) {
28			Some(self.get_i32(row, index))
29		} else {
30			None
31		}
32	}
33}
34
35#[cfg(test)]
36mod tests {
37	use reifydb_type::Type;
38
39	use crate::value::encoded::EncodedValuesLayout;
40
41	#[test]
42	fn test_set_get_i32() {
43		let layout = EncodedValuesLayout::new(&[Type::Int4]);
44		let mut row = layout.allocate();
45		layout.set_i32(&mut row, 0, 56789i32);
46		assert_eq!(layout.get_i32(&row, 0), 56789i32);
47	}
48
49	#[test]
50	fn test_try_get_i32() {
51		let layout = EncodedValuesLayout::new(&[Type::Int4]);
52		let mut row = layout.allocate();
53
54		assert_eq!(layout.try_get_i32(&row, 0), None);
55
56		layout.set_i32(&mut row, 0, 56789i32);
57		assert_eq!(layout.try_get_i32(&row, 0), Some(56789i32));
58	}
59
60	#[test]
61	fn test_extremes() {
62		let layout = EncodedValuesLayout::new(&[Type::Int4]);
63		let mut row = layout.allocate();
64
65		layout.set_i32(&mut row, 0, i32::MAX);
66		assert_eq!(layout.get_i32(&row, 0), i32::MAX);
67
68		let mut row2 = layout.allocate();
69		layout.set_i32(&mut row2, 0, i32::MIN);
70		assert_eq!(layout.get_i32(&row2, 0), i32::MIN);
71
72		let mut row3 = layout.allocate();
73		layout.set_i32(&mut row3, 0, 0i32);
74		assert_eq!(layout.get_i32(&row3, 0), 0i32);
75	}
76
77	#[test]
78	fn test_large_values() {
79		let layout = EncodedValuesLayout::new(&[Type::Int4]);
80
81		let test_values =
82			[-2_147_483_648i32, -1_000_000_000i32, -1i32, 0i32, 1i32, 1_000_000_000i32, 2_147_483_647i32];
83
84		for value in test_values {
85			let mut row = layout.allocate();
86			layout.set_i32(&mut row, 0, value);
87			assert_eq!(layout.get_i32(&row, 0), value);
88		}
89	}
90
91	#[test]
92	fn test_mixed_with_other_types() {
93		let layout = EncodedValuesLayout::new(&[Type::Int4, Type::Boolean, Type::Int4, Type::Float4]);
94		let mut row = layout.allocate();
95
96		layout.set_i32(&mut row, 0, -1_000_000i32);
97		layout.set_bool(&mut row, 1, true);
98		layout.set_i32(&mut row, 2, 2_000_000i32);
99		layout.set_f32(&mut row, 3, 3.14f32);
100
101		assert_eq!(layout.get_i32(&row, 0), -1_000_000i32);
102		assert_eq!(layout.get_bool(&row, 1), true);
103		assert_eq!(layout.get_i32(&row, 2), 2_000_000i32);
104		assert_eq!(layout.get_f32(&row, 3), 3.14f32);
105	}
106
107	#[test]
108	fn test_undefined_handling() {
109		let layout = EncodedValuesLayout::new(&[Type::Int4, Type::Int4]);
110		let mut row = layout.allocate();
111
112		layout.set_i32(&mut row, 0, 12345);
113
114		assert_eq!(layout.try_get_i32(&row, 0), Some(12345));
115		assert_eq!(layout.try_get_i32(&row, 1), None);
116
117		layout.set_undefined(&mut row, 0);
118		assert_eq!(layout.try_get_i32(&row, 0), None);
119	}
120}