reifydb_function/datetime/
quarter.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::r#type::Type;
6
7use crate::{ScalarFunction, ScalarFunctionContext, error::ScalarFunctionError, propagate_options};
8
9pub struct DateTimeQuarter;
10
11impl DateTimeQuarter {
12	pub fn new() -> Self {
13		Self
14	}
15}
16
17impl ScalarFunction for DateTimeQuarter {
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() != 1 {
26			return Err(ScalarFunctionError::ArityMismatch {
27				function: ctx.fragment.clone(),
28				expected: 1,
29				actual: columns.len(),
30			});
31		}
32
33		let col = columns.get(0).unwrap();
34
35		match col.data() {
36			ColumnData::DateTime(container) => {
37				let mut data = Vec::with_capacity(row_count);
38				let mut bitvec = Vec::with_capacity(row_count);
39
40				for i in 0..row_count {
41					if let Some(dt) = container.get(i) {
42						let date = dt.date();
43						let quarter = (date.month() as i32 - 1) / 3 + 1;
44						data.push(quarter);
45						bitvec.push(true);
46					} else {
47						data.push(0);
48						bitvec.push(false);
49					}
50				}
51
52				Ok(ColumnData::int4_with_bitvec(data, bitvec))
53			}
54			other => Err(ScalarFunctionError::InvalidArgumentType {
55				function: ctx.fragment.clone(),
56				argument_index: 0,
57				expected: vec![Type::DateTime],
58				actual: other.get_type(),
59			}),
60		}
61	}
62
63	fn return_type(&self, _input_types: &[Type]) -> Type {
64		Type::Int4
65	}
66}
reifydb_function/datetime/quarter.rs

reifydb_function/datetime/
quarter.rs
