reifydb_routine/function/time/
age.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::{container::temporal::TemporalContainer, duration::Duration, r#type::Type};
6
7use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
8
9pub struct TimeAge {
10	info: FunctionInfo,
11}
12
13impl Default for TimeAge {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl TimeAge {
20	pub fn new() -> Self {
21		Self {
22			info: FunctionInfo::new("time::age"),
23		}
24	}
25}
26
27impl Function for TimeAge {
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::Duration
38	}
39
40	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
41		if args.len() != 2 {
42			return Err(FunctionError::ArityMismatch {
43				function: ctx.fragment.clone(),
44				expected: 2,
45				actual: args.len(),
46			});
47		}
48
49		let col1 = &args[0];
50		let col2 = &args[1];
51
52		let (data1, bv1) = col1.data().unwrap_option();
53		let (data2, bv2) = col2.data().unwrap_option();
54
55		match (data1, data2) {
56			(ColumnData::Time(container1), ColumnData::Time(container2)) => {
57				let row_count = data1.len();
58				let mut container = TemporalContainer::with_capacity(row_count);
59
60				for i in 0..row_count {
61					match (container1.get(i), container2.get(i)) {
62						(Some(t1), Some(t2)) => {
63							let diff_nanos = t1.to_nanos_since_midnight() as i64
64								- t2.to_nanos_since_midnight() as i64;
65							container.push(Duration::from_nanoseconds(diff_nanos)?);
66						}
67						_ => container.push_default(),
68					}
69				}
70
71				let mut result_data = ColumnData::Duration(container);
72				if let Some(bv) = bv1 {
73					result_data = ColumnData::Option {
74						inner: Box::new(result_data),
75						bitvec: bv.clone(),
76					};
77				} else if let Some(bv) = bv2 {
78					result_data = ColumnData::Option {
79						inner: Box::new(result_data),
80						bitvec: bv.clone(),
81					};
82				}
83				Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), result_data)]))
84			}
85			(ColumnData::Time(_), other) => Err(FunctionError::InvalidArgumentType {
86				function: ctx.fragment.clone(),
87				argument_index: 1,
88				expected: vec![Type::Time],
89				actual: other.get_type(),
90			}),
91			(other, _) => Err(FunctionError::InvalidArgumentType {
92				function: ctx.fragment.clone(),
93				argument_index: 0,
94				expected: vec![Type::Time],
95				actual: other.get_type(),
96			}),
97		}
98	}
99}
reifydb_routine/function/time/age.rs

reifydb_routine/function/time/
age.rs
