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reifydb_codec/encoded/
u32.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_u32(&self, row: &mut EncodedRow, index: usize, value: impl Into<u32>) {
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::Uint4);
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 u32,
26				value.into(),
27			)
28		}
29	}
30
31	pub fn get_u32(&self, row: &EncodedRow, index: usize) -> u32 {
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::Uint4);
41		}
42		unsafe { (row.as_ptr().add(field.offset as usize) as *const u32).read_unaligned() }
43	}
44
45	pub fn try_get_u32(&self, row: &EncodedRow, index: usize) -> Option<u32> {
46		if row.is_defined(index) && self.fields()[index].constraint.get_type() == ValueType::Uint4 {
47			Some(self.get_u32(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_u32() {
62		let shape = RowShape::testing(&[ValueType::Uint4]);
63		let mut row = shape.allocate();
64		shape.set_u32(&mut row, 0, 4294967295u32);
65		assert_eq!(shape.get_u32(&row, 0), 4294967295u32);
66	}
67
68	#[test]
69	fn test_try_get_u32() {
70		let shape = RowShape::testing(&[ValueType::Uint4]);
71		let mut row = shape.allocate();
72
73		assert_eq!(shape.try_get_u32(&row, 0), None);
74
75		shape.set_u32(&mut row, 0, 4294967295u32);
76		assert_eq!(shape.try_get_u32(&row, 0), Some(4294967295u32));
77	}
78
79	#[test]
80	fn test_extremes() {
81		let shape = RowShape::testing(&[ValueType::Uint4]);
82		let mut row = shape.allocate();
83
84		shape.set_u32(&mut row, 0, u32::MAX);
85		assert_eq!(shape.get_u32(&row, 0), u32::MAX);
86
87		let mut row2 = shape.allocate();
88		shape.set_u32(&mut row2, 0, u32::MIN);
89		assert_eq!(shape.get_u32(&row2, 0), u32::MIN);
90
91		let mut row3 = shape.allocate();
92		shape.set_u32(&mut row3, 0, 0u32);
93		assert_eq!(shape.get_u32(&row3, 0), 0u32);
94	}
95
96	#[test]
97	fn test_large_values() {
98		let shape = RowShape::testing(&[ValueType::Uint4]);
99
100		let test_values = [
101			0u32,
102			1u32,
103			1_000_000u32,
104			1_000_000_000u32,
105			2_147_483_647u32, // i32::MAX
106			2_147_483_648u32, // i32::MAX + 1
107			4_000_000_000u32,
108			4_294_967_294u32,
109			4_294_967_295u32, // u32::MAX
110		];
111
112		for value in test_values {
113			let mut row = shape.allocate();
114			shape.set_u32(&mut row, 0, value);
115			assert_eq!(shape.get_u32(&row, 0), value);
116		}
117	}
118
119	#[test]
120	fn test_timestamp_values() {
121		let shape = RowShape::testing(&[ValueType::Uint4]);
122
123		// Test Unix timestamp values that fit in u32
124		let timestamps = [
125			0u32,          // Unix epoch
126			946684800u32,  // 2000-01-01 00:00:00 SVTC
127			1640995200u32, // 2022-01-01 00:00:00 SVTC
128			2147483647u32, // 2038-01-19 (Y2038 boundary)
129		];
130
131		for timestamp in timestamps {
132			let mut row = shape.allocate();
133			shape.set_u32(&mut row, 0, timestamp);
134			assert_eq!(shape.get_u32(&row, 0), timestamp);
135		}
136	}
137
138	#[test]
139	fn test_mixed_with_other_types() {
140		let shape = RowShape::testing(&[ValueType::Uint4, ValueType::Float4, ValueType::Uint4]);
141		let mut row = shape.allocate();
142
143		shape.set_u32(&mut row, 0, 3_000_000_000u32);
144		shape.set_f32(&mut row, 1, 3.14f32);
145		shape.set_u32(&mut row, 2, 1_500_000_000u32);
146
147		assert_eq!(shape.get_u32(&row, 0), 3_000_000_000u32);
148		assert_eq!(shape.get_f32(&row, 1), 3.14f32);
149		assert_eq!(shape.get_u32(&row, 2), 1_500_000_000u32);
150	}
151
152	#[test]
153	fn test_undefined_handling() {
154		let shape = RowShape::testing(&[ValueType::Uint4, ValueType::Uint4]);
155		let mut row = shape.allocate();
156
157		shape.set_u32(&mut row, 0, 123456789u32);
158
159		assert_eq!(shape.try_get_u32(&row, 0), Some(123456789));
160		assert_eq!(shape.try_get_u32(&row, 1), None);
161
162		shape.set_none(&mut row, 0);
163		assert_eq!(shape.try_get_u32(&row, 0), None);
164	}
165
166	#[test]
167	fn test_try_get_u32_wrong_type() {
168		let shape = RowShape::testing(&[ValueType::Boolean]);
169		let mut row = shape.allocate();
170
171		shape.set_bool(&mut row, 0, true);
172
173		assert_eq!(shape.try_get_u32(&row, 0), None);
174	}
175}