reifydb_function/datetime/
new.rs

1// SPDX-License-Identifier: AGPL-3.0-or-later
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::data::ColumnData;
5use reifydb_type::value::{container::temporal::TemporalContainer, datetime::DateTime, r#type::Type};
6
7use crate::{ScalarFunction, ScalarFunctionContext, error::ScalarFunctionError, propagate_options};
8
9pub struct DateTimeNew;
10
11impl DateTimeNew {
12	pub fn new() -> Self {
13		Self
14	}
15}
16
17impl ScalarFunction for DateTimeNew {
18	fn scalar(&self, ctx: ScalarFunctionContext) -> crate::error::ScalarFunctionResult<ColumnData> {
19		if let Some(result) = propagate_options(self, &ctx) {
20			return result;
21		}
22		let columns = ctx.columns;
23		let row_count = ctx.row_count;
24
25		if columns.len() != 2 {
26			return Err(ScalarFunctionError::ArityMismatch {
27				function: ctx.fragment.clone(),
28				expected: 2,
29				actual: columns.len(),
30			});
31		}
32
33		let date_col = columns.get(0).unwrap();
34		let time_col = columns.get(1).unwrap();
35
36		match (date_col.data(), time_col.data()) {
37			(ColumnData::Date(date_container), ColumnData::Time(time_container)) => {
38				let mut container = TemporalContainer::with_capacity(row_count);
39
40				for i in 0..row_count {
41					match (date_container.get(i), time_container.get(i)) {
42						(Some(date), Some(time)) => {
43							match DateTime::new(
44								date.year(),
45								date.month(),
46								date.day(),
47								time.hour(),
48								time.minute(),
49								time.second(),
50								time.nanosecond(),
51							) {
52								Some(dt) => container.push(dt),
53								None => container.push_default(),
54							}
55						}
56						_ => container.push_default(),
57					}
58				}
59
60				Ok(ColumnData::DateTime(container))
61			}
62			(ColumnData::Date(_), other) => Err(ScalarFunctionError::InvalidArgumentType {
63				function: ctx.fragment.clone(),
64				argument_index: 1,
65				expected: vec![Type::Time],
66				actual: other.get_type(),
67			}),
68			(other, _) => Err(ScalarFunctionError::InvalidArgumentType {
69				function: ctx.fragment.clone(),
70				argument_index: 0,
71				expected: vec![Type::Date],
72				actual: other.get_type(),
73			}),
74		}
75	}
76
77	fn return_type(&self, _input_types: &[Type]) -> Type {
78		Type::DateTime
79	}
80}
reifydb_function/datetime/new.rs

reifydb_function/datetime/
new.rs
