reifydb_core/value/encoded/
u32.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_u32(&self, row: &mut EncodedValues, index: usize, value: impl Into<u32>) {
12		let field = &self.fields[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(field.r#type, Type::Uint4);
15		row.set_valid(index, true);
16		unsafe { ptr::write_unaligned(row.make_mut().as_mut_ptr().add(field.offset) as *mut u32, value.into()) }
17	}
18
19	pub fn get_u32(&self, row: &EncodedValues, index: usize) -> u32 {
20		let field = &self.fields[index];
21		debug_assert!(row.len() >= self.total_static_size());
22		debug_assert_eq!(field.r#type, Type::Uint4);
23		unsafe { (row.as_ptr().add(field.offset) as *const u32).read_unaligned() }
24	}
25
26	pub fn try_get_u32(&self, row: &EncodedValues, index: usize) -> Option<u32> {
27		if row.is_defined(index) {
28			Some(self.get_u32(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_u32() {
43		let layout = EncodedValuesLayout::new(&[Type::Uint4]);
44		let mut row = layout.allocate();
45		layout.set_u32(&mut row, 0, 4294967295u32);
46		assert_eq!(layout.get_u32(&row, 0), 4294967295u32);
47	}
48
49	#[test]
50	fn test_try_get_u32() {
51		let layout = EncodedValuesLayout::new(&[Type::Uint4]);
52		let mut row = layout.allocate();
53
54		assert_eq!(layout.try_get_u32(&row, 0), None);
55
56		layout.set_u32(&mut row, 0, 4294967295u32);
57		assert_eq!(layout.try_get_u32(&row, 0), Some(4294967295u32));
58	}
59
60	#[test]
61	fn test_extremes() {
62		let layout = EncodedValuesLayout::new(&[Type::Uint4]);
63		let mut row = layout.allocate();
64
65		layout.set_u32(&mut row, 0, u32::MAX);
66		assert_eq!(layout.get_u32(&row, 0), u32::MAX);
67
68		let mut row2 = layout.allocate();
69		layout.set_u32(&mut row2, 0, u32::MIN);
70		assert_eq!(layout.get_u32(&row2, 0), u32::MIN);
71
72		let mut row3 = layout.allocate();
73		layout.set_u32(&mut row3, 0, 0u32);
74		assert_eq!(layout.get_u32(&row3, 0), 0u32);
75	}
76
77	#[test]
78	fn test_large_values() {
79		let layout = EncodedValuesLayout::new(&[Type::Uint4]);
80
81		let test_values = [
82			0u32,
83			1u32,
84			1_000_000u32,
85			1_000_000_000u32,
86			2_147_483_647u32, // i32::MAX
87			2_147_483_648u32, // i32::MAX + 1
88			4_000_000_000u32,
89			4_294_967_294u32,
90			4_294_967_295u32, // u32::MAX
91		];
92
93		for value in test_values {
94			let mut row = layout.allocate();
95			layout.set_u32(&mut row, 0, value);
96			assert_eq!(layout.get_u32(&row, 0), value);
97		}
98	}
99
100	#[test]
101	fn test_timestamp_values() {
102		let layout = EncodedValuesLayout::new(&[Type::Uint4]);
103
104		// Test Unix timestamp values that fit in u32
105		let timestamps = [
106			0u32,          // Unix epoch
107			946684800u32,  // 2000-01-01 00:00:00 SVTC
108			1640995200u32, // 2022-01-01 00:00:00 SVTC
109			2147483647u32, // 2038-01-19 (Y2038 boundary)
110		];
111
112		for timestamp in timestamps {
113			let mut row = layout.allocate();
114			layout.set_u32(&mut row, 0, timestamp);
115			assert_eq!(layout.get_u32(&row, 0), timestamp);
116		}
117	}
118
119	#[test]
120	fn test_mixed_with_other_types() {
121		let layout = EncodedValuesLayout::new(&[Type::Uint4, Type::Float4, Type::Uint4]);
122		let mut row = layout.allocate();
123
124		layout.set_u32(&mut row, 0, 3_000_000_000u32);
125		layout.set_f32(&mut row, 1, 3.14f32);
126		layout.set_u32(&mut row, 2, 1_500_000_000u32);
127
128		assert_eq!(layout.get_u32(&row, 0), 3_000_000_000u32);
129		assert_eq!(layout.get_f32(&row, 1), 3.14f32);
130		assert_eq!(layout.get_u32(&row, 2), 1_500_000_000u32);
131	}
132
133	#[test]
134	fn test_undefined_handling() {
135		let layout = EncodedValuesLayout::new(&[Type::Uint4, Type::Uint4]);
136		let mut row = layout.allocate();
137
138		layout.set_u32(&mut row, 0, 123456789u32);
139
140		assert_eq!(layout.try_get_u32(&row, 0), Some(123456789));
141		assert_eq!(layout.try_get_u32(&row, 1), None);
142
143		layout.set_undefined(&mut row, 0);
144		assert_eq!(layout.try_get_u32(&row, 0), None);
145	}
146}
reifydb_core/value/encoded/u32.rs

reifydb_core/value/encoded/
u32.rs
