reifydb_core/value/encoded/
u64.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_u64(&self, row: &mut EncodedValues, index: usize, value: impl Into<u64>) {
12		let field = &self.fields[index];
13		debug_assert!(row.len() >= self.total_static_size());
14		debug_assert_eq!(field.r#type, Type::Uint8);
15		row.set_valid(index, true);
16		unsafe { ptr::write_unaligned(row.make_mut().as_mut_ptr().add(field.offset) as *mut u64, value.into()) }
17	}
18
19	pub fn get_u64(&self, row: &EncodedValues, index: usize) -> u64 {
20		let field = &self.fields[index];
21		debug_assert!(row.len() >= self.total_static_size());
22		debug_assert_eq!(field.r#type, Type::Uint8);
23		unsafe { (row.as_ptr().add(field.offset) as *const u64).read_unaligned() }
24	}
25
26	pub fn try_get_u64(&self, row: &EncodedValues, index: usize) -> Option<u64> {
27		if row.is_defined(index) {
28			Some(self.get_u64(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_u64() {
43		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
44		let mut row = layout.allocate();
45		layout.set_u64(&mut row, 0, 18446744073709551615u64);
46		assert_eq!(layout.get_u64(&row, 0), 18446744073709551615u64);
47	}
48
49	#[test]
50	fn test_try_get_u64() {
51		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
52		let mut row = layout.allocate();
53
54		assert_eq!(layout.try_get_u64(&row, 0), None);
55
56		layout.set_u64(&mut row, 0, 18446744073709551615u64);
57		assert_eq!(layout.try_get_u64(&row, 0), Some(18446744073709551615u64));
58	}
59
60	#[test]
61	fn test_extremes() {
62		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
63		let mut row = layout.allocate();
64
65		layout.set_u64(&mut row, 0, u64::MAX);
66		assert_eq!(layout.get_u64(&row, 0), u64::MAX);
67
68		let mut row2 = layout.allocate();
69		layout.set_u64(&mut row2, 0, u64::MIN);
70		assert_eq!(layout.get_u64(&row2, 0), u64::MIN);
71
72		let mut row3 = layout.allocate();
73		layout.set_u64(&mut row3, 0, 0u64);
74		assert_eq!(layout.get_u64(&row3, 0), 0u64);
75	}
76
77	#[test]
78	fn test_large_values() {
79		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
80
81		let test_values = [
82			0u64,
83			1u64,
84			1_000_000_000u64,
85			1_000_000_000_000_000_000u64,
86			9_223_372_036_854_775_807u64, // i64::MAX
87			9_223_372_036_854_775_808u64, // i64::MAX + 1
88			18_000_000_000_000_000_000u64,
89			18_446_744_073_709_551_614u64,
90			18_446_744_073_709_551_615u64, // u64::MAX
91		];
92
93		for value in test_values {
94			let mut row = layout.allocate();
95			layout.set_u64(&mut row, 0, value);
96			assert_eq!(layout.get_u64(&row, 0), value);
97		}
98	}
99
100	#[test]
101	fn test_memory_sizes() {
102		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
103
104		// Test values representing memory sizes in bytes
105		let memory_sizes = [
106			1024u64,                // 1 KB
107			1048576u64,             // 1 MB
108			1073741824u64,          // 1 GB
109			1099511627776u64,       // 1 TB
110			1125899906842624u64,    // 1 PB
111			1152921504606846976u64, // 1 EB
112		];
113
114		for size in memory_sizes {
115			let mut row = layout.allocate();
116			layout.set_u64(&mut row, 0, size);
117			assert_eq!(layout.get_u64(&row, 0), size);
118		}
119	}
120
121	#[test]
122	fn test_nanosecond_timestamps() {
123		let layout = EncodedValuesLayout::new(&[Type::Uint8]);
124
125		// Test nanosecond precision timestamps
126		let ns_timestamps = [
127			0u64,                   // Unix epoch in ns
128			946684800000000000u64,  // 2000-01-01 in ns
129			1640995200000000000u64, // 2022-01-01 in ns
130			1735689600000000000u64, // 2025-01-01 in ns
131		];
132
133		for timestamp in ns_timestamps {
134			let mut row = layout.allocate();
135			layout.set_u64(&mut row, 0, timestamp);
136			assert_eq!(layout.get_u64(&row, 0), timestamp);
137		}
138	}
139
140	#[test]
141	fn test_mixed_with_other_types() {
142		let layout = EncodedValuesLayout::new(&[Type::Uint8, Type::Float8, Type::Uint8]);
143		let mut row = layout.allocate();
144
145		layout.set_u64(&mut row, 0, 15_000_000_000_000_000_000u64);
146		layout.set_f64(&mut row, 1, 3.14159265359);
147		layout.set_u64(&mut row, 2, 12_000_000_000_000_000_000u64);
148
149		assert_eq!(layout.get_u64(&row, 0), 15_000_000_000_000_000_000u64);
150		assert_eq!(layout.get_f64(&row, 1), 3.14159265359);
151		assert_eq!(layout.get_u64(&row, 2), 12_000_000_000_000_000_000u64);
152	}
153
154	#[test]
155	fn test_undefined_handling() {
156		let layout = EncodedValuesLayout::new(&[Type::Uint8, Type::Uint8]);
157		let mut row = layout.allocate();
158
159		layout.set_u64(&mut row, 0, 1234567890123456789u64);
160
161		assert_eq!(layout.try_get_u64(&row, 0), Some(1234567890123456789));
162		assert_eq!(layout.try_get_u64(&row, 1), None);
163
164		layout.set_undefined(&mut row, 0);
165		assert_eq!(layout.try_get_u64(&row, 0), None);
166	}
167}
reifydb_core/value/encoded/u64.rs

reifydb_core/value/encoded/
u64.rs
