reifydb_routine/function/clock/
now.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
5use reifydb_type::value::r#type::Type;
6
7use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
8
9pub struct Now {
10	info: FunctionInfo,
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: FunctionInfo::new("clock::now"),
23		}
24	}
25}
26
27impl Function for Now {
28	fn info(&self) -> &FunctionInfo {
29		&self.info
30	}
31
32	fn capabilities(&self) -> &[FunctionCapability] {
33		&[FunctionCapability::Scalar]
34	}
35
36	fn return_type(&self, _input_types: &[Type]) -> Type {
37		Type::Int8
38	}
39
40	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
41		if !args.is_empty() {
42			return Err(FunctionError::ArityMismatch {
43				function: ctx.fragment.clone(),
44				expected: 0,
45				actual: args.len(),
46			});
47		}
48
49		let millis = ctx.runtime_context.clock.now_millis() as i64;
50		let row_count = ctx.row_count.max(1);
51		let data = vec![millis; row_count];
52		let bitvec = vec![true; row_count];
53
54		let result_data = ColumnData::int8_with_bitvec(data, bitvec);
55		Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), result_data)]))
56	}
57}
reifydb_routine/function/clock/now.rs

reifydb_routine/function/clock/
now.rs
