reifydb_core/encoded/
i8.rs1use std::ptr;
5
6use reifydb_type::value::r#type::Type;
7
8use crate::encoded::{encoded::EncodedValues, schema::Schema};
9
10impl Schema {
11 pub fn set_i8(&self, row: &mut EncodedValues, index: usize, value: impl Into<i8>) {
12 let field = &self.fields()[index];
13 debug_assert!(row.len() >= self.total_static_size());
14 debug_assert_eq!(*field.constraint.get_type().inner_type(), Type::Int1);
15 row.set_valid(index, true);
16 unsafe {
17 ptr::write_unaligned(
18 row.make_mut().as_mut_ptr().add(field.offset as usize) as *mut i8,
19 value.into(),
20 )
21 }
22 }
23
24 pub fn get_i8(&self, row: &EncodedValues, index: usize) -> i8 {
25 let field = &self.fields()[index];
26 debug_assert!(row.len() >= self.total_static_size());
27 debug_assert_eq!(*field.constraint.get_type().inner_type(), Type::Int1);
28 unsafe { (row.as_ptr().add(field.offset as usize) as *const i8).read_unaligned() }
29 }
30
31 pub fn try_get_i8(&self, row: &EncodedValues, index: usize) -> Option<i8> {
32 if row.is_defined(index) && self.fields()[index].constraint.get_type() == Type::Int1 {
33 Some(self.get_i8(row, index))
34 } else {
35 None
36 }
37 }
38}
39
40#[cfg(test)]
41pub mod tests {
42 use reifydb_type::value::r#type::Type;
43
44 use crate::encoded::schema::Schema;
45
46 #[test]
47 fn test_set_get_i8() {
48 let schema = Schema::testing(&[Type::Int1]);
49 let mut row = schema.allocate();
50 schema.set_i8(&mut row, 0, 42i8);
51 assert_eq!(schema.get_i8(&row, 0), 42i8);
52 }
53
54 #[test]
55 fn test_try_get_i8() {
56 let schema = Schema::testing(&[Type::Int1]);
57 let mut row = schema.allocate();
58
59 assert_eq!(schema.try_get_i8(&row, 0), None);
60
61 schema.set_i8(&mut row, 0, 42i8);
62 assert_eq!(schema.try_get_i8(&row, 0), Some(42i8));
63 }
64
65 #[test]
66 fn test_extremes() {
67 let schema = Schema::testing(&[Type::Int1]);
68 let mut row = schema.allocate();
69
70 schema.set_i8(&mut row, 0, i8::MAX);
71 assert_eq!(schema.get_i8(&row, 0), i8::MAX);
72
73 let mut row2 = schema.allocate();
74 schema.set_i8(&mut row2, 0, i8::MIN);
75 assert_eq!(schema.get_i8(&row2, 0), i8::MIN);
76
77 let mut row3 = schema.allocate();
78 schema.set_i8(&mut row3, 0, 0i8);
79 assert_eq!(schema.get_i8(&row3, 0), 0i8);
80 }
81
82 #[test]
83 fn test_negative_positive() {
84 let schema = Schema::testing(&[Type::Int1, Type::Int1]);
85 let mut row = schema.allocate();
86
87 schema.set_i8(&mut row, 0, -100i8);
88 schema.set_i8(&mut row, 1, 100i8);
89
90 assert_eq!(schema.get_i8(&row, 0), -100i8);
91 assert_eq!(schema.get_i8(&row, 1), 100i8);
92 }
93
94 #[test]
95 fn test_mixed_with_other_types() {
96 let schema = Schema::testing(&[Type::Int1, Type::Boolean, Type::Int1]);
97 let mut row = schema.allocate();
98
99 schema.set_i8(&mut row, 0, -50i8);
100 schema.set_bool(&mut row, 1, true);
101 schema.set_i8(&mut row, 2, 75i8);
102
103 assert_eq!(schema.get_i8(&row, 0), -50i8);
104 assert_eq!(schema.get_bool(&row, 1), true);
105 assert_eq!(schema.get_i8(&row, 2), 75i8);
106 }
107
108 #[test]
109 fn test_undefined_handling() {
110 let schema = Schema::testing(&[Type::Int1, Type::Int1]);
111 let mut row = schema.allocate();
112
113 schema.set_i8(&mut row, 0, 42);
114
115 assert_eq!(schema.try_get_i8(&row, 0), Some(42));
116 assert_eq!(schema.try_get_i8(&row, 1), None);
117
118 schema.set_none(&mut row, 0);
119 assert_eq!(schema.try_get_i8(&row, 0), None);
120 }
121
122 #[test]
123 fn test_try_get_i8_wrong_type() {
124 let schema = Schema::testing(&[Type::Boolean]);
125 let mut row = schema.allocate();
126
127 schema.set_bool(&mut row, 0, true);
128
129 assert_eq!(schema.try_get_i8(&row, 0), None);
130 }
131}