reifydb_function/date/
day_of_year.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::{date::Date, r#type::Type};
6
7use crate::{
8	ScalarFunction, ScalarFunctionContext,
9	error::{ScalarFunctionError, ScalarFunctionResult},
10	propagate_options,
11};
12
13pub struct DateDayOfYear;
14
15impl DateDayOfYear {
16	pub fn new() -> Self {
17		Self
18	}
19}
20
21impl ScalarFunction for DateDayOfYear {
22	fn scalar(&self, ctx: ScalarFunctionContext) -> ScalarFunctionResult<ColumnData> {
23		if let Some(result) = propagate_options(self, &ctx) {
24			return result;
25		}
26
27		let columns = ctx.columns;
28		let row_count = ctx.row_count;
29
30		if columns.len() != 1 {
31			return Err(ScalarFunctionError::ArityMismatch {
32				function: ctx.fragment.clone(),
33				expected: 1,
34				actual: columns.len(),
35			});
36		}
37
38		let col = columns.get(0).unwrap();
39
40		match col.data() {
41			ColumnData::Date(container) => {
42				let mut data = Vec::with_capacity(row_count);
43				let mut bitvec = Vec::with_capacity(row_count);
44
45				for i in 0..row_count {
46					if let Some(date) = container.get(i) {
47						let jan1 = Date::new(date.year(), 1, 1).unwrap();
48						let doy = date.to_days_since_epoch() - jan1.to_days_since_epoch() + 1;
49						data.push(doy);
50						bitvec.push(true);
51					} else {
52						data.push(0);
53						bitvec.push(false);
54					}
55				}
56
57				Ok(ColumnData::int4_with_bitvec(data, bitvec))
58			}
59			other => Err(ScalarFunctionError::InvalidArgumentType {
60				function: ctx.fragment.clone(),
61				argument_index: 0,
62				expected: vec![Type::Date],
63				actual: other.get_type(),
64			}),
65		}
66	}
67
68	fn return_type(&self, _input_types: &[Type]) -> Type {
69		Type::Int4
70	}
71}
reifydb_function/date/day_of_year.rs

reifydb_function/date/
day_of_year.rs
