reifydb_routine/function/math/
abs.rs1use num_traits::sign::Signed;
5use reifydb_core::value::column::{ColumnWithName, buffer::ColumnBuffer, columns::Columns};
6use reifydb_type::value::{container::number::NumberContainer, decimal::Decimal, int::Int, r#type::Type, uint::Uint};
7
8use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
9
10pub struct Abs {
11 info: RoutineInfo,
12}
13
14impl Default for Abs {
15 fn default() -> Self {
16 Self::new()
17 }
18}
19
20impl Abs {
21 pub fn new() -> Self {
22 Self {
23 info: RoutineInfo::new("math::abs"),
24 }
25 }
26}
27
28impl<'a> Routine<FunctionContext<'a>> for Abs {
29 fn info(&self) -> &RoutineInfo {
30 &self.info
31 }
32
33 fn return_type(&self, input_types: &[Type]) -> Type {
34 input_types.first().cloned().unwrap_or(Type::Float8)
35 }
36
37 fn execute(&self, ctx: &mut FunctionContext<'a>, args: &Columns) -> Result<Columns, RoutineError> {
38 if args.len() != 1 {
39 return Err(RoutineError::FunctionArityMismatch {
40 function: ctx.fragment.clone(),
41 expected: 1,
42 actual: args.len(),
43 });
44 }
45
46 let column = &args[0];
47 let (data, bitvec) = column.unwrap_option();
48 let row_count = data.len();
49
50 let result_data = match data {
51 ColumnBuffer::Int1(container) => {
52 let mut data = Vec::with_capacity(row_count);
53 let mut res_bitvec = Vec::with_capacity(row_count);
54 for i in 0..row_count {
55 if let Some(&value) = container.get(i) {
56 data.push(value.abs());
57 res_bitvec.push(true);
58 } else {
59 data.push(0);
60 res_bitvec.push(false);
61 }
62 }
63 ColumnBuffer::int1_with_bitvec(data, res_bitvec)
64 }
65 ColumnBuffer::Int2(container) => {
66 let mut data = Vec::with_capacity(row_count);
67 let mut res_bitvec = Vec::with_capacity(row_count);
68 for i in 0..row_count {
69 if let Some(&value) = container.get(i) {
70 data.push(value.abs());
71 res_bitvec.push(true);
72 } else {
73 data.push(0);
74 res_bitvec.push(false);
75 }
76 }
77 ColumnBuffer::int2_with_bitvec(data, res_bitvec)
78 }
79 ColumnBuffer::Int4(container) => {
80 let mut data = Vec::with_capacity(row_count);
81 let mut res_bitvec = Vec::with_capacity(row_count);
82 for i in 0..row_count {
83 if let Some(&value) = container.get(i) {
84 data.push(value.abs());
85 res_bitvec.push(true);
86 } else {
87 data.push(0);
88 res_bitvec.push(false);
89 }
90 }
91 ColumnBuffer::int4_with_bitvec(data, res_bitvec)
92 }
93 ColumnBuffer::Int8(container) => {
94 let mut data = Vec::with_capacity(row_count);
95 let mut res_bitvec = Vec::with_capacity(row_count);
96 for i in 0..row_count {
97 if let Some(&value) = container.get(i) {
98 data.push(value.abs());
99 res_bitvec.push(true);
100 } else {
101 data.push(0);
102 res_bitvec.push(false);
103 }
104 }
105 ColumnBuffer::int8_with_bitvec(data, res_bitvec)
106 }
107 ColumnBuffer::Int16(container) => {
108 let mut data = Vec::with_capacity(row_count);
109 let mut res_bitvec = Vec::with_capacity(row_count);
110 for i in 0..row_count {
111 if let Some(&value) = container.get(i) {
112 data.push(value.abs());
113 res_bitvec.push(true);
114 } else {
115 data.push(0);
116 res_bitvec.push(false);
117 }
118 }
119 ColumnBuffer::int16_with_bitvec(data, res_bitvec)
120 }
121 ColumnBuffer::Uint1(container) => {
122 let mut data = Vec::with_capacity(row_count);
123 let mut res_bitvec = Vec::with_capacity(row_count);
124 for i in 0..row_count {
125 if let Some(&value) = container.get(i) {
126 data.push(value);
127 res_bitvec.push(true);
128 } else {
129 data.push(0);
130 res_bitvec.push(false);
131 }
132 }
133 ColumnBuffer::uint1_with_bitvec(data, res_bitvec)
134 }
135 ColumnBuffer::Uint2(container) => {
136 let mut data = Vec::with_capacity(row_count);
137 let mut res_bitvec = Vec::with_capacity(row_count);
138 for i in 0..row_count {
139 if let Some(&value) = container.get(i) {
140 data.push(value);
141 res_bitvec.push(true);
142 } else {
143 data.push(0);
144 res_bitvec.push(false);
145 }
146 }
147 ColumnBuffer::uint2_with_bitvec(data, res_bitvec)
148 }
149 ColumnBuffer::Uint4(container) => {
150 let mut data = Vec::with_capacity(row_count);
151 let mut res_bitvec = Vec::with_capacity(row_count);
152 for i in 0..row_count {
153 if let Some(&value) = container.get(i) {
154 data.push(value);
155 res_bitvec.push(true);
156 } else {
157 data.push(0);
158 res_bitvec.push(false);
159 }
160 }
161 ColumnBuffer::uint4_with_bitvec(data, res_bitvec)
162 }
163 ColumnBuffer::Uint8(container) => {
164 let mut data = Vec::with_capacity(row_count);
165 let mut res_bitvec = Vec::with_capacity(row_count);
166 for i in 0..row_count {
167 if let Some(&value) = container.get(i) {
168 data.push(value);
169 res_bitvec.push(true);
170 } else {
171 data.push(0);
172 res_bitvec.push(false);
173 }
174 }
175 ColumnBuffer::uint8_with_bitvec(data, res_bitvec)
176 }
177 ColumnBuffer::Uint16(container) => {
178 let mut data = Vec::with_capacity(row_count);
179 let mut res_bitvec = Vec::with_capacity(row_count);
180 for i in 0..row_count {
181 if let Some(&value) = container.get(i) {
182 data.push(value);
183 res_bitvec.push(true);
184 } else {
185 data.push(0);
186 res_bitvec.push(false);
187 }
188 }
189 ColumnBuffer::uint16_with_bitvec(data, res_bitvec)
190 }
191 ColumnBuffer::Float4(container) => {
192 let mut data = Vec::with_capacity(row_count);
193 let mut res_bitvec = Vec::with_capacity(row_count);
194 for i in 0..row_count {
195 if let Some(&value) = container.get(i) {
196 data.push(value.abs());
197 res_bitvec.push(true);
198 } else {
199 data.push(0.0);
200 res_bitvec.push(false);
201 }
202 }
203 ColumnBuffer::float4_with_bitvec(data, res_bitvec)
204 }
205 ColumnBuffer::Float8(container) => {
206 let mut data = Vec::with_capacity(row_count);
207 let mut res_bitvec = Vec::with_capacity(row_count);
208 for i in 0..row_count {
209 if let Some(&value) = container.get(i) {
210 data.push(value.abs());
211 res_bitvec.push(true);
212 } else {
213 data.push(0.0);
214 res_bitvec.push(false);
215 }
216 }
217 ColumnBuffer::float8_with_bitvec(data, res_bitvec)
218 }
219 ColumnBuffer::Int {
220 container,
221 max_bytes,
222 } => {
223 let mut data = Vec::with_capacity(row_count);
224 for i in 0..row_count {
225 if let Some(value) = container.get(i) {
226 data.push(Int::from(value.0.clone().abs()));
227 } else {
228 data.push(Int::default());
229 }
230 }
231 ColumnBuffer::Int {
232 container: NumberContainer::new(data),
233 max_bytes: *max_bytes,
234 }
235 }
236 ColumnBuffer::Uint {
237 container,
238 max_bytes,
239 } => {
240 let mut data = Vec::with_capacity(row_count);
241 for i in 0..row_count {
242 if let Some(value) = container.get(i) {
243 data.push(value.clone());
244 } else {
245 data.push(Uint::default());
246 }
247 }
248 ColumnBuffer::Uint {
249 container: NumberContainer::new(data),
250 max_bytes: *max_bytes,
251 }
252 }
253 ColumnBuffer::Decimal {
254 container,
255 precision,
256 scale,
257 } => {
258 let mut data = Vec::with_capacity(row_count);
259 for i in 0..row_count {
260 if let Some(value) = container.get(i) {
261 data.push(Decimal::from(value.0.clone().abs()));
262 } else {
263 data.push(Decimal::default());
264 }
265 }
266 ColumnBuffer::Decimal {
267 container: NumberContainer::new(data),
268 precision: *precision,
269 scale: *scale,
270 }
271 }
272 other => {
273 return Err(RoutineError::FunctionInvalidArgumentType {
274 function: ctx.fragment.clone(),
275 argument_index: 0,
276 expected: vec![
277 Type::Int1,
278 Type::Int2,
279 Type::Int4,
280 Type::Int8,
281 Type::Int16,
282 Type::Uint1,
283 Type::Uint2,
284 Type::Uint4,
285 Type::Uint8,
286 Type::Uint16,
287 Type::Float4,
288 Type::Float8,
289 Type::Int,
290 Type::Uint,
291 Type::Decimal,
292 ],
293 actual: other.get_type(),
294 });
295 }
296 };
297
298 let final_data = if let Some(bv) = bitvec {
299 ColumnBuffer::Option {
300 inner: Box::new(result_data),
301 bitvec: bv.clone(),
302 }
303 } else {
304 result_data
305 };
306
307 Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), final_data)]))
308 }
309}
310
311impl Function for Abs {
312 fn kinds(&self) -> &[FunctionKind] {
313 &[FunctionKind::Scalar]
314 }
315}