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::{
8	ScalarFunction, ScalarFunctionContext, ScalarFunctionResult, error::ScalarFunctionError, propagate_options,
9};
10
11pub struct DateNow;
12
13impl DateNow {
14	pub fn new() -> Self {
15		Self
16	}
17}
18
19impl ScalarFunction for DateNow {
20	fn scalar(&self, ctx: ScalarFunctionContext) -> ScalarFunctionResult<ColumnData> {
21		if let Some(result) = propagate_options(self, &ctx) {
22			return result;
23		}
24
25		let row_count = ctx.row_count;
26
27		if ctx.columns.len() != 0 {
28			return Err(ScalarFunctionError::ArityMismatch {
29				function: ctx.fragment.clone(),
30				expected: 0,
31				actual: ctx.columns.len(),
32			});
33		}
34
35		let millis = ctx.clock.now_millis();
36		let dt = DateTime::from_timestamp_millis(millis);
37		let date = dt.date();
38
39		let mut container = TemporalContainer::with_capacity(row_count);
40		for _ in 0..row_count {
41			container.push(date);
42		}
43
44		Ok(ColumnData::Date(container))
45	}
46
47	fn return_type(&self, _input_types: &[Type]) -> Type {
48		Type::Date
49	}
50}
reifydb_function/date/now.rs

reifydb_function/date/
now.rs
