reifydb_routine/function/date/
now.rs

1// SPDX-License-Identifier: Apache-2.0
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::function::{
8	ScalarFunction, ScalarFunctionContext,
9	error::{ScalarFunctionError, ScalarFunctionResult},
10	propagate_options,
11};
12
13pub struct DateNow;
14
15impl DateNow {
16	pub fn new() -> Self {
17		Self
18	}
19}
20
21impl ScalarFunction for DateNow {
22	fn scalar(&self, ctx: ScalarFunctionContext) -> ScalarFunctionResult<ColumnData> {
23		if let Some(result) = propagate_options(self, &ctx) {
24			return result;
25		}
26
27		let row_count = ctx.row_count;
28
29		if ctx.columns.len() != 0 {
30			return Err(ScalarFunctionError::ArityMismatch {
31				function: ctx.fragment.clone(),
32				expected: 0,
33				actual: ctx.columns.len(),
34			});
35		}
36
37		let millis = ctx.runtime_context.clock.now_millis();
38		let dt = DateTime::from_timestamp_millis(millis)?;
39		let date = dt.date();
40
41		let mut container = TemporalContainer::with_capacity(row_count);
42		for _ in 0..row_count {
43			container.push(date);
44		}
45
46		Ok(ColumnData::Date(container))
47	}
48
49	fn return_type(&self, _input_types: &[Type]) -> Type {
50		Type::Date
51	}
52}
reifydb_routine/function/date/now.rs

reifydb_routine/function/date/
now.rs
