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