reifydb_routine/function/clock/
now.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::{ColumnWithName, buffer::ColumnBuffer, columns::Columns};
5use reifydb_type::value::r#type::Type;
6
7use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
8
9pub struct Now {
10	info: RoutineInfo,
11}
12
13impl Default for Now {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl Now {
20	pub fn new() -> Self {
21		Self {
22			info: RoutineInfo::new("clock::now"),
23		}
24	}
25}
26
27impl<'a> Routine<FunctionContext<'a>> for Now {
28	fn info(&self) -> &RoutineInfo {
29		&self.info
30	}
31
32	fn return_type(&self, _input_types: &[Type]) -> Type {
33		Type::Int8
34	}
35
36	fn execute(&self, ctx: &mut FunctionContext<'a>, args: &Columns) -> Result<Columns, RoutineError> {
37		if !args.is_empty() {
38			return Err(RoutineError::FunctionArityMismatch {
39				function: ctx.fragment.clone(),
40				expected: 0,
41				actual: args.len(),
42			});
43		}
44
45		let millis = ctx.runtime_context.clock.now_millis() as i64;
46		let row_count = ctx.row_count.max(1);
47		let data = vec![millis; row_count];
48		let bitvec = vec![true; row_count];
49
50		let result_data = ColumnBuffer::int8_with_bitvec(data, bitvec);
51		Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), result_data)]))
52	}
53}
54
55impl Function for Now {
56	fn kinds(&self) -> &[FunctionKind] {
57		&[FunctionKind::Scalar]
58	}
59}
reifydb_routine/function/clock/now.rs

reifydb_routine/function/clock/
now.rs
