reifydb_function/datetime/
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 DateTimeDayOfYear;
14
15impl DateTimeDayOfYear {
16	pub fn new() -> Self {
17		Self
18	}
19}
20
21impl ScalarFunction for DateTimeDayOfYear {
22	fn scalar(&self, ctx: ScalarFunctionContext) -> ScalarFunctionResult<ColumnData> {
23		if let Some(result) = propagate_options(self, &ctx) {
24			return result;
25		}
26		let columns = ctx.columns;
27		let row_count = ctx.row_count;
28
29		if columns.len() != 1 {
30			return Err(ScalarFunctionError::ArityMismatch {
31				function: ctx.fragment.clone(),
32				expected: 1,
33				actual: columns.len(),
34			});
35		}
36
37		let col = columns.get(0).unwrap();
38
39		match col.data() {
40			ColumnData::DateTime(container) => {
41				let mut data = Vec::with_capacity(row_count);
42				let mut bitvec = Vec::with_capacity(row_count);
43
44				for i in 0..row_count {
45					if let Some(dt) = container.get(i) {
46						let date = dt.date();
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::DateTime],
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/datetime/day_of_year.rs

reifydb_function/datetime/
day_of_year.rs
