reifydb_codec/encoded/
i8.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use std::ptr;
5
6use reifydb_value::{reifydb_assertions, value::value_type::ValueType};
7
8use crate::encoded::{row::EncodedRow, shape::RowShape};
9
10impl RowShape {
11	pub fn set_i8(&self, row: &mut EncodedRow, index: usize, value: impl Into<i8>) {
12		let field = &self.fields()[index];
13		reifydb_assertions! {
14			assert!(
15				row.len() >= self.total_static_size(),
16				"row/shape size mismatch: row.len()={} < total_static_size()={}",
17				row.len(),
18				self.total_static_size()
19			);
20			assert_eq!(*field.constraint.get_type().inner_type(), ValueType::Int1);
21		}
22		row.set_valid(index, true);
23		unsafe {
24			ptr::write_unaligned(
25				row.make_mut().as_mut_ptr().add(field.offset as usize) as *mut i8,
26				value.into(),
27			)
28		}
29	}
30
31	pub fn get_i8(&self, row: &EncodedRow, index: usize) -> i8 {
32		let field = &self.fields()[index];
33		reifydb_assertions! {
34			assert!(
35				row.len() >= self.total_static_size(),
36				"row/shape size mismatch: row.len()={} < total_static_size()={}",
37				row.len(),
38				self.total_static_size()
39			);
40			assert_eq!(*field.constraint.get_type().inner_type(), ValueType::Int1);
41		}
42		unsafe { (row.as_ptr().add(field.offset as usize) as *const i8).read_unaligned() }
43	}
44
45	pub fn try_get_i8(&self, row: &EncodedRow, index: usize) -> Option<i8> {
46		if row.is_defined(index) && self.fields()[index].constraint.get_type() == ValueType::Int1 {
47			Some(self.get_i8(row, index))
48		} else {
49			None
50		}
51	}
52}
53
54#[cfg(test)]
55pub mod tests {
56	use reifydb_value::value::value_type::ValueType;
57
58	use crate::encoded::shape::RowShape;
59
60	#[test]
61	fn test_set_get_i8() {
62		let shape = RowShape::testing(&[ValueType::Int1]);
63		let mut row = shape.allocate();
64		shape.set_i8(&mut row, 0, 42i8);
65		assert_eq!(shape.get_i8(&row, 0), 42i8);
66	}
67
68	#[test]
69	fn test_try_get_i8() {
70		let shape = RowShape::testing(&[ValueType::Int1]);
71		let mut row = shape.allocate();
72
73		assert_eq!(shape.try_get_i8(&row, 0), None);
74
75		shape.set_i8(&mut row, 0, 42i8);
76		assert_eq!(shape.try_get_i8(&row, 0), Some(42i8));
77	}
78
79	#[test]
80	fn test_extremes() {
81		let shape = RowShape::testing(&[ValueType::Int1]);
82		let mut row = shape.allocate();
83
84		shape.set_i8(&mut row, 0, i8::MAX);
85		assert_eq!(shape.get_i8(&row, 0), i8::MAX);
86
87		let mut row2 = shape.allocate();
88		shape.set_i8(&mut row2, 0, i8::MIN);
89		assert_eq!(shape.get_i8(&row2, 0), i8::MIN);
90
91		let mut row3 = shape.allocate();
92		shape.set_i8(&mut row3, 0, 0i8);
93		assert_eq!(shape.get_i8(&row3, 0), 0i8);
94	}
95
96	#[test]
97	fn test_negative_positive() {
98		let shape = RowShape::testing(&[ValueType::Int1, ValueType::Int1]);
99		let mut row = shape.allocate();
100
101		shape.set_i8(&mut row, 0, -100i8);
102		shape.set_i8(&mut row, 1, 100i8);
103
104		assert_eq!(shape.get_i8(&row, 0), -100i8);
105		assert_eq!(shape.get_i8(&row, 1), 100i8);
106	}
107
108	#[test]
109	fn test_mixed_with_other_types() {
110		let shape = RowShape::testing(&[ValueType::Int1, ValueType::Boolean, ValueType::Int1]);
111		let mut row = shape.allocate();
112
113		shape.set_i8(&mut row, 0, -50i8);
114		shape.set_bool(&mut row, 1, true);
115		shape.set_i8(&mut row, 2, 75i8);
116
117		assert_eq!(shape.get_i8(&row, 0), -50i8);
118		assert_eq!(shape.get_bool(&row, 1), true);
119		assert_eq!(shape.get_i8(&row, 2), 75i8);
120	}
121
122	#[test]
123	fn test_undefined_handling() {
124		let shape = RowShape::testing(&[ValueType::Int1, ValueType::Int1]);
125		let mut row = shape.allocate();
126
127		shape.set_i8(&mut row, 0, 42);
128
129		assert_eq!(shape.try_get_i8(&row, 0), Some(42));
130		assert_eq!(shape.try_get_i8(&row, 1), None);
131
132		shape.set_none(&mut row, 0);
133		assert_eq!(shape.try_get_i8(&row, 0), None);
134	}
135
136	#[test]
137	fn test_try_get_i8_wrong_type() {
138		let shape = RowShape::testing(&[ValueType::Boolean]);
139		let mut row = shape.allocate();
140
141		shape.set_bool(&mut row, 0, true);
142
143		assert_eq!(shape.try_get_i8(&row, 0), None);
144	}
145}
reifydb_codec/encoded/i8.rs

reifydb_codec/encoded/
i8.rs
