reifydb_function/date/
now.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 DateNow;
10
11impl DateNow {
12	pub fn new() -> Self {
13		Self
14	}
15}
16
17impl ScalarFunction for DateNow {
18	fn scalar(&self, ctx: ScalarFunctionContext) -> crate::ScalarFunctionResult<ColumnData> {
19		if let Some(result) = propagate_options(self, &ctx) {
20			return result;
21		}
22
23		let row_count = ctx.row_count;
24
25		if ctx.columns.len() != 0 {
26			return Err(ScalarFunctionError::ArityMismatch {
27				function: ctx.fragment.clone(),
28				expected: 0,
29				actual: ctx.columns.len(),
30			});
31		}
32
33		let millis = ctx.clock.now_millis();
34		let dt = DateTime::from_timestamp_millis(millis);
35		let date = dt.date();
36
37		let mut container = TemporalContainer::with_capacity(row_count);
38		for _ in 0..row_count {
39			container.push(date);
40		}
41
42		Ok(ColumnData::Date(container))
43	}
44
45	fn return_type(&self, _input_types: &[Type]) -> Type {
46		Type::Date
47	}
48}
reifydb_function/date/now.rs

reifydb_function/date/
now.rs
