reifydb_routine/function/duration/
negate.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
5use reifydb_type::value::{container::temporal::TemporalContainer, r#type::Type};
6
7use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
8
9pub struct DurationNegate {
10	info: FunctionInfo,
11}
12
13impl Default for DurationNegate {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl DurationNegate {
20	pub fn new() -> Self {
21		Self {
22			info: FunctionInfo::new("duration::negate"),
23		}
24	}
25}
26
27impl Function for DurationNegate {
28	fn info(&self) -> &FunctionInfo {
29		&self.info
30	}
31
32	fn capabilities(&self) -> &[FunctionCapability] {
33		&[FunctionCapability::Scalar]
34	}
35
36	fn return_type(&self, _input_types: &[Type]) -> Type {
37		Type::Duration
38	}
39
40	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
41		if args.len() != 1 {
42			return Err(FunctionError::ArityMismatch {
43				function: ctx.fragment.clone(),
44				expected: 1,
45				actual: args.len(),
46			});
47		}
48
49		let column = &args[0];
50		let (data, bitvec) = column.data().unwrap_option();
51		let row_count = data.len();
52
53		match data {
54			ColumnData::Duration(container_in) => {
55				let mut container = TemporalContainer::with_capacity(row_count);
56
57				for i in 0..row_count {
58					if let Some(val) = container_in.get(i) {
59						container.push(val.negate());
60					} else {
61						container.push_default();
62					}
63				}
64
65				let mut result_data = ColumnData::Duration(container);
66				if let Some(bv) = bitvec {
67					result_data = ColumnData::Option {
68						inner: Box::new(result_data),
69						bitvec: bv.clone(),
70					};
71				}
72				Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), result_data)]))
73			}
74			other => Err(FunctionError::InvalidArgumentType {
75				function: ctx.fragment.clone(),
76				argument_index: 0,
77				expected: vec![Type::Duration],
78				actual: other.get_type(),
79			}),
80		}
81	}
82}
reifydb_routine/function/duration/negate.rs

reifydb_routine/function/duration/
negate.rs
