reifydb_routine/function/datetime/
add.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::{ColumnWithName, buffer::ColumnBuffer, columns::Columns};
5use reifydb_type::value::{container::temporal::TemporalContainer, r#type::Type};
6
7use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
8
9pub struct DateTimeAdd {
10	info: RoutineInfo,
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: RoutineInfo::new("datetime::add"),
23		}
24	}
25}
26
27impl<'a> Routine<FunctionContext<'a>> for DateTimeAdd {
28	fn info(&self) -> &RoutineInfo {
29		&self.info
30	}
31
32	fn return_type(&self, _input_types: &[Type]) -> Type {
33		Type::DateTime
34	}
35
36	fn execute(&self, ctx: &mut FunctionContext<'a>, args: &Columns) -> Result<Columns, RoutineError> {
37		if args.len() != 2 {
38			return Err(RoutineError::FunctionArityMismatch {
39				function: ctx.fragment.clone(),
40				expected: 2,
41				actual: args.len(),
42			});
43		}
44
45		let dt_col = &args[0];
46		let dur_col = &args[1];
47		let (dt_data, dt_bitvec) = dt_col.unwrap_option();
48		let (dur_data, dur_bitvec) = dur_col.unwrap_option();
49		let row_count = dt_data.len();
50
51		let result_data = match (dt_data, dur_data) {
52			(ColumnBuffer::DateTime(dt_container), ColumnBuffer::Duration(dur_container)) => {
53				let mut container = TemporalContainer::with_capacity(row_count);
54
55				for i in 0..row_count {
56					match (dt_container.get(i), dur_container.get(i)) {
57						(Some(dt), Some(dur)) => match dt.add_duration(dur) {
58							Ok(result) => container.push(result),
59							Err(err) => {
60								return Err(RoutineError::FunctionExecutionFailed {
61									function: ctx.fragment.clone(),
62									reason: format!("{}", err),
63								});
64							}
65						},
66						_ => container.push_default(),
67					}
68				}
69
70				ColumnBuffer::DateTime(container)
71			}
72			(ColumnBuffer::DateTime(_), other) => {
73				return Err(RoutineError::FunctionInvalidArgumentType {
74					function: ctx.fragment.clone(),
75					argument_index: 1,
76					expected: vec![Type::Duration],
77					actual: other.get_type(),
78				});
79			}
80			(other, _) => {
81				return Err(RoutineError::FunctionInvalidArgumentType {
82					function: ctx.fragment.clone(),
83					argument_index: 0,
84					expected: vec![Type::DateTime],
85					actual: other.get_type(),
86				});
87			}
88		};
89
90		let final_data = match (dt_bitvec, dur_bitvec) {
91			(Some(bv), _) | (_, Some(bv)) => ColumnBuffer::Option {
92				inner: Box::new(result_data),
93				bitvec: bv.clone(),
94			},
95			_ => result_data,
96		};
97
98		Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), final_data)]))
99	}
100}
101
102impl Function for DateTimeAdd {
103	fn kinds(&self) -> &[FunctionKind] {
104		&[FunctionKind::Scalar]
105	}
106}
reifydb_routine/function/datetime/add.rs

reifydb_routine/function/datetime/
add.rs
