reifydb_routine/function/datetime/
add.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 DateTimeAdd {
10	info: FunctionInfo,
11}
12
13impl Default for DateTimeAdd {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl DateTimeAdd {
20	pub fn new() -> Self {
21		Self {
22			info: FunctionInfo::new("datetime::add"),
23		}
24	}
25}
26
27impl Function for DateTimeAdd {
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::DateTime
38	}
39
40	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
41		if args.len() != 2 {
42			return Err(FunctionError::ArityMismatch {
43				function: ctx.fragment.clone(),
44				expected: 2,
45				actual: args.len(),
46			});
47		}
48
49		let dt_col = &args[0];
50		let dur_col = &args[1];
51		let (dt_data, dt_bitvec) = dt_col.data().unwrap_option();
52		let (dur_data, dur_bitvec) = dur_col.data().unwrap_option();
53		let row_count = dt_data.len();
54
55		let result_data = match (dt_data, dur_data) {
56			(ColumnData::DateTime(dt_container), ColumnData::Duration(dur_container)) => {
57				let mut container = TemporalContainer::with_capacity(row_count);
58
59				for i in 0..row_count {
60					match (dt_container.get(i), dur_container.get(i)) {
61						(Some(dt), Some(dur)) => match dt.add_duration(dur) {
62							Ok(result) => container.push(result),
63							Err(err) => {
64								return Err(FunctionError::ExecutionFailed {
65									function: ctx.fragment.clone(),
66									reason: format!("{}", err),
67								});
68							}
69						},
70						_ => container.push_default(),
71					}
72				}
73
74				ColumnData::DateTime(container)
75			}
76			(ColumnData::DateTime(_), other) => {
77				return Err(FunctionError::InvalidArgumentType {
78					function: ctx.fragment.clone(),
79					argument_index: 1,
80					expected: vec![Type::Duration],
81					actual: other.get_type(),
82				});
83			}
84			(other, _) => {
85				return Err(FunctionError::InvalidArgumentType {
86					function: ctx.fragment.clone(),
87					argument_index: 0,
88					expected: vec![Type::DateTime],
89					actual: other.get_type(),
90				});
91			}
92		};
93
94		let final_data = match (dt_bitvec, dur_bitvec) {
95			(Some(bv), _) | (_, Some(bv)) => ColumnData::Option {
96				inner: Box::new(result_data),
97				bitvec: bv.clone(),
98			},
99			_ => result_data,
100		};
101
102		Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), final_data)]))
103	}
104}
reifydb_routine/function/datetime/add.rs

reifydb_routine/function/datetime/
add.rs
