reifydb_core/value/encoded/
i128.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_i128(&self, row: &mut EncodedValues, index: usize, value: impl Into<i128>) {
12		let field = &self.fields[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(field.r#type, Type::Int16);
15		row.set_valid(index, true);
16		unsafe {
17			ptr::write_unaligned(row.make_mut().as_mut_ptr().add(field.offset) as *mut i128, value.into())
18		}
19	}
20
21	pub fn get_i128(&self, row: &EncodedValues, index: usize) -> i128 {
22		let field = &self.fields[index];
23		debug_assert!(row.len() >= self.total_static_size());
24		debug_assert_eq!(field.r#type, Type::Int16);
25		unsafe { (row.as_ptr().add(field.offset) as *const i128).read_unaligned() }
26	}
27
28	pub fn try_get_i128(&self, row: &EncodedValues, index: usize) -> Option<i128> {
29		if row.is_defined(index) {
30			Some(self.get_i128(row, index))
31		} else {
32			None
33		}
34	}
35}
36
37#[cfg(test)]
38mod tests {
39	use reifydb_type::Type;
40
41	use crate::value::encoded::EncodedValuesLayout;
42
43	#[test]
44	fn test_set_get_i128() {
45		let layout = EncodedValuesLayout::new(&[Type::Int16]);
46		let mut row = layout.allocate();
47		layout.set_i128(&mut row, 0, 123456789012345678901234567890i128);
48		assert_eq!(layout.get_i128(&row, 0), 123456789012345678901234567890i128);
49	}
50
51	#[test]
52	fn test_try_get_i128() {
53		let layout = EncodedValuesLayout::new(&[Type::Int16]);
54		let mut row = layout.allocate();
55
56		assert_eq!(layout.try_get_i128(&row, 0), None);
57
58		layout.set_i128(&mut row, 0, 123456789012345678901234567890i128);
59		assert_eq!(layout.try_get_i128(&row, 0), Some(123456789012345678901234567890i128));
60	}
61
62	#[test]
63	fn test_extremes() {
64		let layout = EncodedValuesLayout::new(&[Type::Int16]);
65		let mut row = layout.allocate();
66
67		layout.set_i128(&mut row, 0, i128::MAX);
68		assert_eq!(layout.get_i128(&row, 0), i128::MAX);
69
70		let mut row2 = layout.allocate();
71		layout.set_i128(&mut row2, 0, i128::MIN);
72		assert_eq!(layout.get_i128(&row2, 0), i128::MIN);
73
74		let mut row3 = layout.allocate();
75		layout.set_i128(&mut row3, 0, 0i128);
76		assert_eq!(layout.get_i128(&row3, 0), 0i128);
77	}
78
79	#[test]
80	fn test_very_large_values() {
81		let layout = EncodedValuesLayout::new(&[Type::Int16]);
82
83		let test_values = [
84			-170141183460469231731687303715884105728i128, // i128::MIN
85			-99999999999999999999999999999999999999i128,
86			-1i128,
87			0i128,
88			1i128,
89			99999999999999999999999999999999999999i128,
90			170141183460469231731687303715884105727i128, // i128::MAX
91		];
92
93		for value in test_values {
94			let mut row = layout.allocate();
95			layout.set_i128(&mut row, 0, value);
96			assert_eq!(layout.get_i128(&row, 0), value);
97		}
98	}
99
100	#[test]
101	fn test_powers_of_ten() {
102		let layout = EncodedValuesLayout::new(&[Type::Int16]);
103
104		let powers = [
105			1i128,
106			10i128,
107			100i128,
108			1_000i128,
109			10_000i128,
110			100_000i128,
111			1_000_000i128,
112			10_000_000i128,
113			100_000_000i128,
114			1_000_000_000i128,
115			10_000_000_000i128,
116			100_000_000_000i128,
117		];
118
119		for power in powers {
120			let mut row = layout.allocate();
121			layout.set_i128(&mut row, 0, power);
122			assert_eq!(layout.get_i128(&row, 0), power);
123
124			let mut row2 = layout.allocate();
125			layout.set_i128(&mut row2, 0, -power);
126			assert_eq!(layout.get_i128(&row2, 0), -power);
127		}
128	}
129
130	#[test]
131	fn test_mixed_with_other_types() {
132		let layout = EncodedValuesLayout::new(&[Type::Int16, Type::Boolean, Type::Int16]);
133		let mut row = layout.allocate();
134
135		let large_negative = -12345678901234567890123456789012345i128;
136		let large_positive = 98765432109876543210987654321098765i128;
137
138		layout.set_i128(&mut row, 0, large_negative);
139		layout.set_bool(&mut row, 1, true);
140		layout.set_i128(&mut row, 2, large_positive);
141
142		assert_eq!(layout.get_i128(&row, 0), large_negative);
143		assert_eq!(layout.get_bool(&row, 1), true);
144		assert_eq!(layout.get_i128(&row, 2), large_positive);
145	}
146
147	#[test]
148	fn test_undefined_handling() {
149		let layout = EncodedValuesLayout::new(&[Type::Int16, Type::Int16]);
150		let mut row = layout.allocate();
151
152		let value = 170141183460469231731687303715884105727i128; // Max i128
153		layout.set_i128(&mut row, 0, value);
154
155		assert_eq!(layout.try_get_i128(&row, 0), Some(value));
156		assert_eq!(layout.try_get_i128(&row, 1), None);
157
158		layout.set_undefined(&mut row, 0);
159		assert_eq!(layout.try_get_i128(&row, 0), None);
160	}
161}
reifydb_core/value/encoded/i128.rs

reifydb_core/value/encoded/
i128.rs
