reifydb_routine/function/math/
clamp.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use num_traits::ToPrimitive;
5use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
6use reifydb_type::{
7	fragment::Fragment,
8	value::{
9		container::number::NumberContainer,
10		decimal::Decimal,
11		int::Int,
12		r#type::{Type, input_types::InputTypes},
13		uint::Uint,
14	},
15};
16
17use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
18
19pub struct Clamp {
20	info: FunctionInfo,
21}
22
23impl Default for Clamp {
24	fn default() -> Self {
25		Self::new()
26	}
27}
28
29impl Clamp {
30	pub fn new() -> Self {
31		Self {
32			info: FunctionInfo::new("math::clamp"),
33		}
34	}
35}
36
37fn convert_column_to_type(data: &ColumnData, target: Type, row_count: usize) -> ColumnData {
38	match target {
39		Type::Int1 => {
40			let mut result = Vec::with_capacity(row_count);
41			let mut bitvec = Vec::with_capacity(row_count);
42			for i in 0..row_count {
43				if data.is_defined(i) {
44					result.push(get_as_i8(data, i));
45					bitvec.push(true);
46				} else {
47					result.push(0);
48					bitvec.push(false);
49				}
50			}
51			ColumnData::int1_with_bitvec(result, bitvec)
52		}
53		Type::Int2 => {
54			let mut result = Vec::with_capacity(row_count);
55			let mut bitvec = Vec::with_capacity(row_count);
56			for i in 0..row_count {
57				if data.is_defined(i) {
58					result.push(get_as_i16(data, i));
59					bitvec.push(true);
60				} else {
61					result.push(0);
62					bitvec.push(false);
63				}
64			}
65			ColumnData::int2_with_bitvec(result, bitvec)
66		}
67		Type::Int4 => {
68			let mut result = Vec::with_capacity(row_count);
69			let mut bitvec = Vec::with_capacity(row_count);
70			for i in 0..row_count {
71				if data.is_defined(i) {
72					result.push(get_as_i32(data, i));
73					bitvec.push(true);
74				} else {
75					result.push(0);
76					bitvec.push(false);
77				}
78			}
79			ColumnData::int4_with_bitvec(result, bitvec)
80		}
81		Type::Int8 => {
82			let mut result = Vec::with_capacity(row_count);
83			let mut bitvec = Vec::with_capacity(row_count);
84			for i in 0..row_count {
85				if data.is_defined(i) {
86					result.push(get_as_i64(data, i));
87					bitvec.push(true);
88				} else {
89					result.push(0);
90					bitvec.push(false);
91				}
92			}
93			ColumnData::int8_with_bitvec(result, bitvec)
94		}
95		Type::Int16 => {
96			let mut result = Vec::with_capacity(row_count);
97			let mut bitvec = Vec::with_capacity(row_count);
98			for i in 0..row_count {
99				if data.is_defined(i) {
100					result.push(get_as_i128(data, i));
101					bitvec.push(true);
102				} else {
103					result.push(0);
104					bitvec.push(false);
105				}
106			}
107			ColumnData::int16_with_bitvec(result, bitvec)
108		}
109		Type::Uint1 => {
110			let mut result = Vec::with_capacity(row_count);
111			let mut bitvec = Vec::with_capacity(row_count);
112			for i in 0..row_count {
113				if data.is_defined(i) {
114					result.push(get_as_u8(data, i));
115					bitvec.push(true);
116				} else {
117					result.push(0);
118					bitvec.push(false);
119				}
120			}
121			ColumnData::uint1_with_bitvec(result, bitvec)
122		}
123		Type::Uint2 => {
124			let mut result = Vec::with_capacity(row_count);
125			let mut bitvec = Vec::with_capacity(row_count);
126			for i in 0..row_count {
127				if data.is_defined(i) {
128					result.push(get_as_u16(data, i));
129					bitvec.push(true);
130				} else {
131					result.push(0);
132					bitvec.push(false);
133				}
134			}
135			ColumnData::uint2_with_bitvec(result, bitvec)
136		}
137		Type::Uint4 => {
138			let mut result = Vec::with_capacity(row_count);
139			let mut bitvec = Vec::with_capacity(row_count);
140			for i in 0..row_count {
141				if data.is_defined(i) {
142					result.push(get_as_u32(data, i));
143					bitvec.push(true);
144				} else {
145					result.push(0);
146					bitvec.push(false);
147				}
148			}
149			ColumnData::uint4_with_bitvec(result, bitvec)
150		}
151		Type::Uint8 => {
152			let mut result = Vec::with_capacity(row_count);
153			let mut bitvec = Vec::with_capacity(row_count);
154			for i in 0..row_count {
155				if data.is_defined(i) {
156					result.push(get_as_u64(data, i));
157					bitvec.push(true);
158				} else {
159					result.push(0);
160					bitvec.push(false);
161				}
162			}
163			ColumnData::uint8_with_bitvec(result, bitvec)
164		}
165		Type::Uint16 => {
166			let mut result = Vec::with_capacity(row_count);
167			let mut bitvec = Vec::with_capacity(row_count);
168			for i in 0..row_count {
169				if data.is_defined(i) {
170					result.push(get_as_u128(data, i));
171					bitvec.push(true);
172				} else {
173					result.push(0);
174					bitvec.push(false);
175				}
176			}
177			ColumnData::uint16_with_bitvec(result, bitvec)
178		}
179		Type::Float4 => {
180			let mut result = Vec::with_capacity(row_count);
181			let mut bitvec = Vec::with_capacity(row_count);
182			for i in 0..row_count {
183				if data.is_defined(i) {
184					result.push(get_as_f32(data, i));
185					bitvec.push(true);
186				} else {
187					result.push(0.0);
188					bitvec.push(false);
189				}
190			}
191			ColumnData::float4_with_bitvec(result, bitvec)
192		}
193		Type::Float8 => {
194			let mut result = Vec::with_capacity(row_count);
195			let mut bitvec = Vec::with_capacity(row_count);
196			for i in 0..row_count {
197				if data.is_defined(i) {
198					result.push(get_as_f64(data, i));
199					bitvec.push(true);
200				} else {
201					result.push(0.0);
202					bitvec.push(false);
203				}
204			}
205			ColumnData::float8_with_bitvec(result, bitvec)
206		}
207		Type::Int => {
208			let mut result = Vec::with_capacity(row_count);
209			let mut bitvec = Vec::with_capacity(row_count);
210			for i in 0..row_count {
211				if data.is_defined(i) {
212					result.push(Int::from(get_as_i128(data, i)));
213					bitvec.push(true);
214				} else {
215					result.push(Int::default());
216					bitvec.push(false);
217				}
218			}
219			ColumnData::int_with_bitvec(result, bitvec)
220		}
221		Type::Uint => {
222			let mut result = Vec::with_capacity(row_count);
223			let mut bitvec = Vec::with_capacity(row_count);
224			for i in 0..row_count {
225				if data.is_defined(i) {
226					result.push(Uint::from(get_as_u128(data, i)));
227					bitvec.push(true);
228				} else {
229					result.push(Uint::default());
230					bitvec.push(false);
231				}
232			}
233			ColumnData::uint_with_bitvec(result, bitvec)
234		}
235		Type::Decimal => {
236			let mut result = Vec::with_capacity(row_count);
237			let mut bitvec = Vec::with_capacity(row_count);
238			for i in 0..row_count {
239				if data.is_defined(i) {
240					result.push(Decimal::from(get_as_f64(data, i)));
241					bitvec.push(true);
242				} else {
243					result.push(Decimal::default());
244					bitvec.push(false);
245				}
246			}
247			ColumnData::decimal_with_bitvec(result, bitvec)
248		}
249		_ => data.clone(),
250	}
251}
252
253fn get_as_i8(data: &ColumnData, i: usize) -> i8 {
254	match data {
255		ColumnData::Int1(c) => c.get(i).copied().unwrap_or(0),
256		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i8).unwrap_or(0),
257		_ => 0,
258	}
259}
260
261fn get_as_u8(data: &ColumnData, i: usize) -> u8 {
262	match data {
263		ColumnData::Uint1(c) => c.get(i).copied().unwrap_or(0),
264		ColumnData::Int1(c) => c.get(i).map(|&v| v as u8).unwrap_or(0),
265		_ => 0,
266	}
267}
268
269fn get_as_i16(data: &ColumnData, i: usize) -> i16 {
270	match data {
271		ColumnData::Int1(c) => c.get(i).map(|&v| v as i16).unwrap_or(0),
272		ColumnData::Int2(c) => c.get(i).copied().unwrap_or(0),
273		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i16).unwrap_or(0),
274		_ => 0,
275	}
276}
277
278fn get_as_i32(data: &ColumnData, i: usize) -> i32 {
279	match data {
280		ColumnData::Int1(c) => c.get(i).map(|&v| v as i32).unwrap_or(0),
281		ColumnData::Int2(c) => c.get(i).map(|&v| v as i32).unwrap_or(0),
282		ColumnData::Int4(c) => c.get(i).copied().unwrap_or(0),
283		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i32).unwrap_or(0),
284		ColumnData::Uint2(c) => c.get(i).map(|&v| v as i32).unwrap_or(0),
285		_ => 0,
286	}
287}
288
289fn get_as_i64(data: &ColumnData, i: usize) -> i64 {
290	match data {
291		ColumnData::Int1(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
292		ColumnData::Int2(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
293		ColumnData::Int4(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
294		ColumnData::Int8(c) => c.get(i).copied().unwrap_or(0),
295		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
296		ColumnData::Uint2(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
297		ColumnData::Uint4(c) => c.get(i).map(|&v| v as i64).unwrap_or(0),
298		_ => 0,
299	}
300}
301
302fn get_as_i128(data: &ColumnData, i: usize) -> i128 {
303	match data {
304		ColumnData::Int1(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
305		ColumnData::Int2(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
306		ColumnData::Int4(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
307		ColumnData::Int8(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
308		ColumnData::Int16(c) => c.get(i).copied().unwrap_or(0),
309		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
310		ColumnData::Uint2(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
311		ColumnData::Uint4(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
312		ColumnData::Uint8(c) => c.get(i).map(|&v| v as i128).unwrap_or(0),
313		_ => 0,
314	}
315}
316
317fn get_as_u16(data: &ColumnData, i: usize) -> u16 {
318	match data {
319		ColumnData::Uint1(c) => c.get(i).map(|&v| v as u16).unwrap_or(0),
320		ColumnData::Uint2(c) => c.get(i).copied().unwrap_or(0),
321		_ => 0,
322	}
323}
324
325fn get_as_u32(data: &ColumnData, i: usize) -> u32 {
326	match data {
327		ColumnData::Uint1(c) => c.get(i).map(|&v| v as u32).unwrap_or(0),
328		ColumnData::Uint2(c) => c.get(i).map(|&v| v as u32).unwrap_or(0),
329		ColumnData::Uint4(c) => c.get(i).copied().unwrap_or(0),
330		_ => 0,
331	}
332}
333
334fn get_as_u64(data: &ColumnData, i: usize) -> u64 {
335	match data {
336		ColumnData::Uint1(c) => c.get(i).map(|&v| v as u64).unwrap_or(0),
337		ColumnData::Uint2(c) => c.get(i).map(|&v| v as u64).unwrap_or(0),
338		ColumnData::Uint4(c) => c.get(i).map(|&v| v as u64).unwrap_or(0),
339		ColumnData::Uint8(c) => c.get(i).copied().unwrap_or(0),
340		_ => 0,
341	}
342}
343
344fn get_as_u128(data: &ColumnData, i: usize) -> u128 {
345	match data {
346		ColumnData::Uint1(c) => c.get(i).map(|&v| v as u128).unwrap_or(0),
347		ColumnData::Uint2(c) => c.get(i).map(|&v| v as u128).unwrap_or(0),
348		ColumnData::Uint4(c) => c.get(i).map(|&v| v as u128).unwrap_or(0),
349		ColumnData::Uint8(c) => c.get(i).map(|&v| v as u128).unwrap_or(0),
350		ColumnData::Uint16(c) => c.get(i).copied().unwrap_or(0),
351		_ => 0,
352	}
353}
354
355fn get_as_f32(data: &ColumnData, i: usize) -> f32 {
356	match data {
357		ColumnData::Int1(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
358		ColumnData::Int2(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
359		ColumnData::Int4(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
360		ColumnData::Int8(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
361		ColumnData::Int16(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
362		ColumnData::Uint1(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
363		ColumnData::Uint2(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
364		ColumnData::Uint4(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
365		ColumnData::Uint8(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
366		ColumnData::Uint16(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
367		ColumnData::Float4(c) => c.get(i).copied().unwrap_or(0.0),
368		ColumnData::Float8(c) => c.get(i).map(|&v| v as f32).unwrap_or(0.0),
369		ColumnData::Int {
370			container,
371			..
372		} => container.get(i).map(|v| v.0.to_f32().unwrap_or(0.0)).unwrap_or(0.0),
373		ColumnData::Uint {
374			container,
375			..
376		} => container.get(i).map(|v| v.0.to_f32().unwrap_or(0.0)).unwrap_or(0.0),
377		ColumnData::Decimal {
378			container,
379			..
380		} => container.get(i).map(|v| v.0.to_f32().unwrap_or(0.0)).unwrap_or(0.0),
381		_ => 0.0,
382	}
383}
384
385fn get_as_f64(data: &ColumnData, i: usize) -> f64 {
386	match data {
387		ColumnData::Int1(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
388		ColumnData::Int2(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
389		ColumnData::Int4(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
390		ColumnData::Int8(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
391		ColumnData::Int16(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
392		ColumnData::Uint1(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
393		ColumnData::Uint2(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
394		ColumnData::Uint4(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
395		ColumnData::Uint8(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
396		ColumnData::Uint16(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
397		ColumnData::Float4(c) => c.get(i).map(|&v| v as f64).unwrap_or(0.0),
398		ColumnData::Float8(c) => c.get(i).copied().unwrap_or(0.0),
399		ColumnData::Int {
400			container,
401			..
402		} => container.get(i).map(|v| v.0.to_f64().unwrap_or(0.0)).unwrap_or(0.0),
403		ColumnData::Uint {
404			container,
405			..
406		} => container.get(i).map(|v| v.0.to_f64().unwrap_or(0.0)).unwrap_or(0.0),
407		ColumnData::Decimal {
408			container,
409			..
410		} => container.get(i).map(|v| v.0.to_f64().unwrap_or(0.0)).unwrap_or(0.0),
411		_ => 0.0,
412	}
413}
414
415fn promote_two(left: Type, right: Type) -> Type {
416	if matches!(left, Type::Float4 | Type::Float8 | Type::Decimal)
417		|| matches!(right, Type::Float4 | Type::Float8 | Type::Decimal)
418	{
419		return Type::Decimal;
420	}
421	if left == Type::Int || right == Type::Int {
422		return Type::Int16;
423	}
424	if left == Type::Uint || right == Type::Uint {
425		if matches!(left, Type::Int1 | Type::Int2 | Type::Int4 | Type::Int8 | Type::Int16)
426			|| matches!(right, Type::Int1 | Type::Int2 | Type::Int4 | Type::Int8 | Type::Int16)
427		{
428			return Type::Int16;
429		}
430		return Type::Uint16;
431	}
432	Type::promote(left, right)
433}
434
435fn promote_numeric_types(a: Type, b: Type, c: Type) -> Type {
436	promote_two(promote_two(a, b), c)
437}
438
439impl Function for Clamp {
440	fn info(&self) -> &FunctionInfo {
441		&self.info
442	}
443
444	fn capabilities(&self) -> &[FunctionCapability] {
445		&[FunctionCapability::Scalar]
446	}
447
448	fn return_type(&self, input_types: &[Type]) -> Type {
449		if input_types.len() >= 3
450			&& input_types[0].is_number()
451			&& input_types[1].is_number()
452			&& input_types[2].is_number()
453		{
454			promote_numeric_types(input_types[0].clone(), input_types[1].clone(), input_types[2].clone())
455		} else {
456			Type::Float8
457		}
458	}
459
460	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
461		if args.len() != 3 {
462			return Err(FunctionError::ArityMismatch {
463				function: ctx.fragment.clone(),
464				expected: 3,
465				actual: args.len(),
466			});
467		}
468
469		let val_col = &args[0];
470		let min_col = &args[1];
471		let max_col = &args[2];
472
473		let (v_data, v_bv) = val_col.data().unwrap_option();
474		let (lo_data, lo_bv) = min_col.data().unwrap_option();
475		let (hi_data, hi_bv) = max_col.data().unwrap_option();
476		let row_count = v_data.len();
477
478		let result_data = match (v_data, lo_data, hi_data) {
479			(ColumnData::Int1(v), ColumnData::Int1(lo), ColumnData::Int1(hi)) => {
480				let mut result = Vec::with_capacity(row_count);
481				let mut res_bitvec = Vec::with_capacity(row_count);
482				for i in 0..row_count {
483					match (v.get(i), lo.get(i), hi.get(i)) {
484						(Some(&val), Some(&min), Some(&max)) => {
485							result.push(val.clamp(min, max));
486							res_bitvec.push(true);
487						}
488						_ => {
489							result.push(0);
490							res_bitvec.push(false);
491						}
492					}
493				}
494				ColumnData::int1_with_bitvec(result, res_bitvec)
495			}
496			(ColumnData::Int2(v), ColumnData::Int2(lo), ColumnData::Int2(hi)) => {
497				let mut result = Vec::with_capacity(row_count);
498				let mut res_bitvec = Vec::with_capacity(row_count);
499				for i in 0..row_count {
500					match (v.get(i), lo.get(i), hi.get(i)) {
501						(Some(&val), Some(&min), Some(&max)) => {
502							result.push(val.clamp(min, max));
503							res_bitvec.push(true);
504						}
505						_ => {
506							result.push(0);
507							res_bitvec.push(false);
508						}
509					}
510				}
511				ColumnData::int2_with_bitvec(result, res_bitvec)
512			}
513			(ColumnData::Int4(v), ColumnData::Int4(lo), ColumnData::Int4(hi)) => {
514				let mut result = Vec::with_capacity(row_count);
515				let mut res_bitvec = Vec::with_capacity(row_count);
516				for i in 0..row_count {
517					match (v.get(i), lo.get(i), hi.get(i)) {
518						(Some(&val), Some(&min), Some(&max)) => {
519							result.push(val.clamp(min, max));
520							res_bitvec.push(true);
521						}
522						_ => {
523							result.push(0);
524							res_bitvec.push(false);
525						}
526					}
527				}
528				ColumnData::int4_with_bitvec(result, res_bitvec)
529			}
530			(ColumnData::Int8(v), ColumnData::Int8(lo), ColumnData::Int8(hi)) => {
531				let mut result = Vec::with_capacity(row_count);
532				let mut res_bitvec = Vec::with_capacity(row_count);
533				for i in 0..row_count {
534					match (v.get(i), lo.get(i), hi.get(i)) {
535						(Some(&val), Some(&min), Some(&max)) => {
536							result.push(val.clamp(min, max));
537							res_bitvec.push(true);
538						}
539						_ => {
540							result.push(0);
541							res_bitvec.push(false);
542						}
543					}
544				}
545				ColumnData::int8_with_bitvec(result, res_bitvec)
546			}
547			(ColumnData::Int16(v), ColumnData::Int16(lo), ColumnData::Int16(hi)) => {
548				let mut result = Vec::with_capacity(row_count);
549				let mut res_bitvec = Vec::with_capacity(row_count);
550				for i in 0..row_count {
551					match (v.get(i), lo.get(i), hi.get(i)) {
552						(Some(&val), Some(&min), Some(&max)) => {
553							result.push(val.clamp(min, max));
554							res_bitvec.push(true);
555						}
556						_ => {
557							result.push(0);
558							res_bitvec.push(false);
559						}
560					}
561				}
562				ColumnData::int16_with_bitvec(result, res_bitvec)
563			}
564			(ColumnData::Uint1(v), ColumnData::Uint1(lo), ColumnData::Uint1(hi)) => {
565				let mut result = Vec::with_capacity(row_count);
566				let mut res_bitvec = Vec::with_capacity(row_count);
567				for i in 0..row_count {
568					match (v.get(i), lo.get(i), hi.get(i)) {
569						(Some(&val), Some(&min), Some(&max)) => {
570							result.push(val.clamp(min, max));
571							res_bitvec.push(true);
572						}
573						_ => {
574							result.push(0);
575							res_bitvec.push(false);
576						}
577					}
578				}
579				ColumnData::uint1_with_bitvec(result, res_bitvec)
580			}
581			(ColumnData::Uint2(v), ColumnData::Uint2(lo), ColumnData::Uint2(hi)) => {
582				let mut result = Vec::with_capacity(row_count);
583				let mut res_bitvec = Vec::with_capacity(row_count);
584				for i in 0..row_count {
585					match (v.get(i), lo.get(i), hi.get(i)) {
586						(Some(&val), Some(&min), Some(&max)) => {
587							result.push(val.clamp(min, max));
588							res_bitvec.push(true);
589						}
590						_ => {
591							result.push(0);
592							res_bitvec.push(false);
593						}
594					}
595				}
596				ColumnData::uint2_with_bitvec(result, res_bitvec)
597			}
598			(ColumnData::Uint4(v), ColumnData::Uint4(lo), ColumnData::Uint4(hi)) => {
599				let mut result = Vec::with_capacity(row_count);
600				let mut res_bitvec = Vec::with_capacity(row_count);
601				for i in 0..row_count {
602					match (v.get(i), lo.get(i), hi.get(i)) {
603						(Some(&val), Some(&min), Some(&max)) => {
604							result.push(val.clamp(min, max));
605							res_bitvec.push(true);
606						}
607						_ => {
608							result.push(0);
609							res_bitvec.push(false);
610						}
611					}
612				}
613				ColumnData::uint4_with_bitvec(result, res_bitvec)
614			}
615			(ColumnData::Uint8(v), ColumnData::Uint8(lo), ColumnData::Uint8(hi)) => {
616				let mut result = Vec::with_capacity(row_count);
617				let mut res_bitvec = Vec::with_capacity(row_count);
618				for i in 0..row_count {
619					match (v.get(i), lo.get(i), hi.get(i)) {
620						(Some(&val), Some(&min), Some(&max)) => {
621							result.push(val.clamp(min, max));
622							res_bitvec.push(true);
623						}
624						_ => {
625							result.push(0);
626							res_bitvec.push(false);
627						}
628					}
629				}
630				ColumnData::uint8_with_bitvec(result, res_bitvec)
631			}
632			(ColumnData::Uint16(v), ColumnData::Uint16(lo), ColumnData::Uint16(hi)) => {
633				let mut result = Vec::with_capacity(row_count);
634				let mut res_bitvec = Vec::with_capacity(row_count);
635				for i in 0..row_count {
636					match (v.get(i), lo.get(i), hi.get(i)) {
637						(Some(&val), Some(&min), Some(&max)) => {
638							result.push(val.clamp(min, max));
639							res_bitvec.push(true);
640						}
641						_ => {
642							result.push(0);
643							res_bitvec.push(false);
644						}
645					}
646				}
647				ColumnData::uint16_with_bitvec(result, res_bitvec)
648			}
649			(ColumnData::Float4(v), ColumnData::Float4(lo), ColumnData::Float4(hi)) => {
650				let mut result = Vec::with_capacity(row_count);
651				let mut res_bitvec = Vec::with_capacity(row_count);
652				for i in 0..row_count {
653					match (v.get(i), lo.get(i), hi.get(i)) {
654						(Some(&val), Some(&min), Some(&max)) => {
655							result.push(val.clamp(min, max));
656							res_bitvec.push(true);
657						}
658						_ => {
659							result.push(0.0);
660							res_bitvec.push(false);
661						}
662					}
663				}
664				ColumnData::float4_with_bitvec(result, res_bitvec)
665			}
666			(ColumnData::Float8(v), ColumnData::Float8(lo), ColumnData::Float8(hi)) => {
667				let mut result = Vec::with_capacity(row_count);
668				let mut res_bitvec = Vec::with_capacity(row_count);
669				for i in 0..row_count {
670					match (v.get(i), lo.get(i), hi.get(i)) {
671						(Some(&val), Some(&min), Some(&max)) => {
672							result.push(val.clamp(min, max));
673							res_bitvec.push(true);
674						}
675						_ => {
676							result.push(0.0);
677							res_bitvec.push(false);
678						}
679					}
680				}
681				ColumnData::float8_with_bitvec(result, res_bitvec)
682			}
683			(
684				ColumnData::Int {
685					container: v_container,
686					max_bytes,
687				},
688				ColumnData::Int {
689					container: lo_container,
690					..
691				},
692				ColumnData::Int {
693					container: hi_container,
694					..
695				},
696			) => {
697				let mut result = Vec::with_capacity(row_count);
698				let mut res_bitvec = Vec::with_capacity(row_count);
699				for i in 0..row_count {
700					match (v_container.get(i), lo_container.get(i), hi_container.get(i)) {
701						(Some(val), Some(lo), Some(hi)) => {
702							let v = val.0.to_f64().unwrap_or(0.0);
703							let l = lo.0.to_f64().unwrap_or(0.0);
704							let h = hi.0.to_f64().unwrap_or(0.0);
705							result.push(Int::from(v.clamp(l, h) as i64));
706							res_bitvec.push(true);
707						}
708						_ => {
709							result.push(Int::default());
710							res_bitvec.push(false);
711						}
712					}
713				}
714				ColumnData::Int {
715					container: NumberContainer::new(result),
716					max_bytes: *max_bytes,
717				}
718			}
719			(
720				ColumnData::Uint {
721					container: v_container,
722					max_bytes,
723				},
724				ColumnData::Uint {
725					container: lo_container,
726					..
727				},
728				ColumnData::Uint {
729					container: hi_container,
730					..
731				},
732			) => {
733				let mut result = Vec::with_capacity(row_count);
734				let mut res_bitvec = Vec::with_capacity(row_count);
735				for i in 0..row_count {
736					match (v_container.get(i), lo_container.get(i), hi_container.get(i)) {
737						(Some(val), Some(lo), Some(hi)) => {
738							let v = val.0.to_f64().unwrap_or(0.0);
739							let l = lo.0.to_f64().unwrap_or(0.0);
740							let h = hi.0.to_f64().unwrap_or(0.0);
741							result.push(Uint::from(v.clamp(l, h) as u64));
742							res_bitvec.push(true);
743						}
744						_ => {
745							result.push(Uint::default());
746							res_bitvec.push(false);
747						}
748					}
749				}
750				ColumnData::Uint {
751					container: NumberContainer::new(result),
752					max_bytes: *max_bytes,
753				}
754			}
755			(
756				ColumnData::Decimal {
757					container: v_container,
758					precision,
759					scale,
760				},
761				ColumnData::Decimal {
762					container: lo_container,
763					..
764				},
765				ColumnData::Decimal {
766					container: hi_container,
767					..
768				},
769			) => {
770				let mut result = Vec::with_capacity(row_count);
771				let mut res_bitvec = Vec::with_capacity(row_count);
772				for i in 0..row_count {
773					match (v_container.get(i), lo_container.get(i), hi_container.get(i)) {
774						(Some(val), Some(lo), Some(hi)) => {
775							let v = val.0.to_f64().unwrap_or(0.0);
776							let l = lo.0.to_f64().unwrap_or(0.0);
777							let h = hi.0.to_f64().unwrap_or(0.0);
778							result.push(Decimal::from(v.clamp(l, h)));
779							res_bitvec.push(true);
780						}
781						_ => {
782							result.push(Decimal::default());
783							res_bitvec.push(false);
784						}
785					}
786				}
787				ColumnData::Decimal {
788					container: NumberContainer::new(result),
789					precision: *precision,
790					scale: *scale,
791				}
792			}
793			// Mixed-type fallback: promote all to Decimal or recursion
794			_ => {
795				let v_type = v_data.get_type();
796				let lo_type = lo_data.get_type();
797				let hi_type = hi_data.get_type();
798
799				if !v_type.is_number() {
800					return Err(FunctionError::InvalidArgumentType {
801						function: ctx.fragment.clone(),
802						argument_index: 0,
803						expected: InputTypes::numeric().expected_at(0).to_vec(),
804						actual: v_type,
805					});
806				}
807				if !lo_type.is_number() {
808					return Err(FunctionError::InvalidArgumentType {
809						function: ctx.fragment.clone(),
810						argument_index: 1,
811						expected: InputTypes::numeric().expected_at(0).to_vec(),
812						actual: lo_type,
813					});
814				}
815				if !hi_type.is_number() {
816					return Err(FunctionError::InvalidArgumentType {
817						function: ctx.fragment.clone(),
818						argument_index: 2,
819						expected: InputTypes::numeric().expected_at(0).to_vec(),
820						actual: hi_type,
821					});
822				}
823
824				let promoted = promote_numeric_types(v_type, lo_type, hi_type);
825				let pv = convert_column_to_type(v_data, promoted.clone(), row_count);
826				let plo = convert_column_to_type(lo_data, promoted.clone(), row_count);
827				let phi = convert_column_to_type(hi_data, promoted, row_count);
828
829				let val_col = Column::new(Fragment::internal("val"), pv);
830				let min_col = Column::new(Fragment::internal("min"), plo);
831				let max_col = Column::new(Fragment::internal("max"), phi);
832				let promoted_columns = Columns::new(vec![val_col, min_col, max_col]);
833
834				return self.call(ctx, &promoted_columns);
835			}
836		};
837
838		let combined_bitvec = match (v_bv, lo_bv, hi_bv) {
839			(Some(v), Some(lo), Some(hi)) => Some(v.and(lo).and(hi)),
840			(Some(v), Some(lo), None) => Some(v.and(lo)),
841			(Some(v), None, Some(hi)) => Some(v.and(hi)),
842			(None, Some(lo), Some(hi)) => Some(lo.and(hi)),
843			(Some(v), None, None) => Some(v.clone()),
844			(None, Some(lo), None) => Some(lo.clone()),
845			(None, None, Some(hi)) => Some(hi.clone()),
846			(None, None, None) => None,
847		};
848
849		let final_data = if let Some(bv) = combined_bitvec {
850			ColumnData::Option {
851				inner: Box::new(result_data),
852				bitvec: bv,
853			}
854		} else {
855			result_data
856		};
857
858		Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), final_data)]))
859	}
860}
reifydb_routine/function/math/clamp.rs

reifydb_routine/function/math/
clamp.rs
