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

reifydb_function/time/
now.rs
