reifydb_core/value/encoded/
i8.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_i8(&self, row: &mut EncodedValues, index: usize, value: impl Into<i8>) {
12		let field = &self.fields[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(field.r#type, Type::Int1);
15		row.set_valid(index, true);
16		unsafe { ptr::write_unaligned(row.make_mut().as_mut_ptr().add(field.offset) as *mut i8, value.into()) }
17	}
18
19	pub fn get_i8(&self, row: &EncodedValues, index: usize) -> i8 {
20		let field = &self.fields[index];
21		debug_assert!(row.len() >= self.total_static_size());
22		debug_assert_eq!(field.r#type, Type::Int1);
23		unsafe { (row.as_ptr().add(field.offset) as *const i8).read_unaligned() }
24	}
25
26	pub fn try_get_i8(&self, row: &EncodedValues, index: usize) -> Option<i8> {
27		if row.is_defined(index) && self.fields[index].r#type == Type::Int1 {
28			Some(self.get_i8(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_i8() {
43		let layout = EncodedValuesLayout::new(&[Type::Int1]);
44		let mut row = layout.allocate();
45		layout.set_i8(&mut row, 0, 42i8);
46		assert_eq!(layout.get_i8(&row, 0), 42i8);
47	}
48
49	#[test]
50	fn test_try_get_i8() {
51		let layout = EncodedValuesLayout::new(&[Type::Int1]);
52		let mut row = layout.allocate();
53
54		assert_eq!(layout.try_get_i8(&row, 0), None);
55
56		layout.set_i8(&mut row, 0, 42i8);
57		assert_eq!(layout.try_get_i8(&row, 0), Some(42i8));
58	}
59
60	#[test]
61	fn test_extremes() {
62		let layout = EncodedValuesLayout::new(&[Type::Int1]);
63		let mut row = layout.allocate();
64
65		layout.set_i8(&mut row, 0, i8::MAX);
66		assert_eq!(layout.get_i8(&row, 0), i8::MAX);
67
68		let mut row2 = layout.allocate();
69		layout.set_i8(&mut row2, 0, i8::MIN);
70		assert_eq!(layout.get_i8(&row2, 0), i8::MIN);
71
72		let mut row3 = layout.allocate();
73		layout.set_i8(&mut row3, 0, 0i8);
74		assert_eq!(layout.get_i8(&row3, 0), 0i8);
75	}
76
77	#[test]
78	fn test_negative_positive() {
79		let layout = EncodedValuesLayout::new(&[Type::Int1, Type::Int1]);
80		let mut row = layout.allocate();
81
82		layout.set_i8(&mut row, 0, -100i8);
83		layout.set_i8(&mut row, 1, 100i8);
84
85		assert_eq!(layout.get_i8(&row, 0), -100i8);
86		assert_eq!(layout.get_i8(&row, 1), 100i8);
87	}
88
89	#[test]
90	fn test_mixed_with_other_types() {
91		let layout = EncodedValuesLayout::new(&[Type::Int1, Type::Boolean, Type::Int1]);
92		let mut row = layout.allocate();
93
94		layout.set_i8(&mut row, 0, -50i8);
95		layout.set_bool(&mut row, 1, true);
96		layout.set_i8(&mut row, 2, 75i8);
97
98		assert_eq!(layout.get_i8(&row, 0), -50i8);
99		assert_eq!(layout.get_bool(&row, 1), true);
100		assert_eq!(layout.get_i8(&row, 2), 75i8);
101	}
102
103	#[test]
104	fn test_undefined_handling() {
105		let layout = EncodedValuesLayout::new(&[Type::Int1, Type::Int1]);
106		let mut row = layout.allocate();
107
108		layout.set_i8(&mut row, 0, 42);
109
110		assert_eq!(layout.try_get_i8(&row, 0), Some(42));
111		assert_eq!(layout.try_get_i8(&row, 1), None);
112
113		layout.set_undefined(&mut row, 0);
114		assert_eq!(layout.try_get_i8(&row, 0), None);
115	}
116
117	#[test]
118	fn test_try_get_i8_wrong_type() {
119		let layout = EncodedValuesLayout::new(&[Type::Boolean]);
120		let mut row = layout.allocate();
121
122		layout.set_bool(&mut row, 0, true);
123
124		assert_eq!(layout.try_get_i8(&row, 0), None);
125	}
126}
reifydb_core/value/encoded/i8.rs

reifydb_core/value/encoded/
i8.rs
