reifydb_routine/function/datetime/
new.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, datetime::DateTime, r#type::Type};
6
7use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
8
9pub struct DateTimeNew {
10	info: RoutineInfo,
11}
12
13impl Default for DateTimeNew {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl DateTimeNew {
20	pub fn new() -> Self {
21		Self {
22			info: RoutineInfo::new("datetime::new"),
23		}
24	}
25}
26
27impl<'a> Routine<FunctionContext<'a>> for DateTimeNew {
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 date_col = &args[0];
46		let time_col = &args[1];
47		let (date_data, date_bitvec) = date_col.unwrap_option();
48		let (time_data, time_bitvec) = time_col.unwrap_option();
49		let row_count = date_data.len();
50
51		let result_data = match (date_data, time_data) {
52			(ColumnBuffer::Date(date_container), ColumnBuffer::Time(time_container)) => {
53				let mut container = TemporalContainer::with_capacity(row_count);
54
55				for i in 0..row_count {
56					match (date_container.get(i), time_container.get(i)) {
57						(Some(date), Some(time)) => {
58							match DateTime::new(
59								date.year(),
60								date.month(),
61								date.day(),
62								time.hour(),
63								time.minute(),
64								time.second(),
65								time.nanosecond(),
66							) {
67								Some(dt) => container.push(dt),
68								None => container.push_default(),
69							}
70						}
71						_ => container.push_default(),
72					}
73				}
74
75				ColumnBuffer::DateTime(container)
76			}
77			(ColumnBuffer::Date(_), other) => {
78				return Err(RoutineError::FunctionInvalidArgumentType {
79					function: ctx.fragment.clone(),
80					argument_index: 1,
81					expected: vec![Type::Time],
82					actual: other.get_type(),
83				});
84			}
85			(other, _) => {
86				return Err(RoutineError::FunctionInvalidArgumentType {
87					function: ctx.fragment.clone(),
88					argument_index: 0,
89					expected: vec![Type::Date],
90					actual: other.get_type(),
91				});
92			}
93		};
94
95		let final_data = match (date_bitvec, time_bitvec) {
96			(Some(bv), _) | (_, Some(bv)) => ColumnBuffer::Option {
97				inner: Box::new(result_data),
98				bitvec: bv.clone(),
99			},
100			_ => result_data,
101		};
102
103		Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), final_data)]))
104	}
105}
106
107impl Function for DateTimeNew {
108	fn kinds(&self) -> &[FunctionKind] {
109		&[FunctionKind::Scalar]
110	}
111}
reifydb_routine/function/datetime/new.rs

reifydb_routine/function/datetime/
new.rs
