reifydb_core/value/encoded/
i128.rs1use 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) && self.fields[index].r#type == Type::Int16 {
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, -99999999999999999999999999999999999999i128,
86 -1i128,
87 0i128,
88 1i128,
89 99999999999999999999999999999999999999i128,
90 170141183460469231731687303715884105727i128, ];
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; 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
162 #[test]
163 fn test_try_get_i128_wrong_type() {
164 let layout = EncodedValuesLayout::new(&[Type::Boolean]);
165 let mut row = layout.allocate();
166
167 layout.set_bool(&mut row, 0, true);
168
169 assert_eq!(layout.try_get_i128(&row, 0), None);
170 }
171}