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reifydb_function/time/
new.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, time::Time, r#type::Type};
6
7use crate::{
8	ScalarFunction, ScalarFunctionContext,
9	error::{ScalarFunctionError, ScalarFunctionResult},
10	propagate_options,
11};
12
13pub struct TimeNew;
14
15impl TimeNew {
16	pub fn new() -> Self {
17		Self
18	}
19}
20
21fn extract_i32(data: &ColumnData, i: usize) -> Option<i32> {
22	match data {
23		ColumnData::Int1(c) => c.get(i).map(|&v| v as i32),
24		ColumnData::Int2(c) => c.get(i).map(|&v| v as i32),
25		ColumnData::Int4(c) => c.get(i).copied(),
26		ColumnData::Int8(c) => c.get(i).map(|&v| v as i32),
27		ColumnData::Int16(c) => c.get(i).map(|&v| v as i32),
28		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i32),
29		ColumnData::Uint2(c) => c.get(i).map(|&v| v as i32),
30		ColumnData::Uint4(c) => c.get(i).map(|&v| v as i32),
31		ColumnData::Uint8(c) => c.get(i).map(|&v| v as i32),
32		ColumnData::Uint16(c) => c.get(i).map(|&v| v as i32),
33		_ => None,
34	}
35}
36
37fn is_integer_type(data: &ColumnData) -> bool {
38	matches!(
39		data,
40		ColumnData::Int1(_)
41			| ColumnData::Int2(_) | ColumnData::Int4(_)
42			| ColumnData::Int8(_) | ColumnData::Int16(_)
43			| ColumnData::Uint1(_)
44			| ColumnData::Uint2(_)
45			| ColumnData::Uint4(_)
46			| ColumnData::Uint8(_)
47			| ColumnData::Uint16(_)
48	)
49}
50
51impl ScalarFunction for TimeNew {
52	fn scalar(&self, ctx: ScalarFunctionContext) -> ScalarFunctionResult<ColumnData> {
53		if let Some(result) = propagate_options(self, &ctx) {
54			return result;
55		}
56		let columns = ctx.columns;
57		let row_count = ctx.row_count;
58
59		if columns.len() != 3 && columns.len() != 4 {
60			return Err(ScalarFunctionError::ArityMismatch {
61				function: ctx.fragment.clone(),
62				expected: 3,
63				actual: columns.len(),
64			});
65		}
66
67		let hour_col = columns.get(0).unwrap();
68		let min_col = columns.get(1).unwrap();
69		let sec_col = columns.get(2).unwrap();
70		let nano_col = if columns.len() == 4 {
71			Some(columns.get(3).unwrap())
72		} else {
73			None
74		};
75
76		if !is_integer_type(hour_col.data()) {
77			return Err(ScalarFunctionError::InvalidArgumentType {
78				function: ctx.fragment.clone(),
79				argument_index: 0,
80				expected: vec![
81					Type::Int1,
82					Type::Int2,
83					Type::Int4,
84					Type::Int8,
85					Type::Int16,
86					Type::Uint1,
87					Type::Uint2,
88					Type::Uint4,
89					Type::Uint8,
90					Type::Uint16,
91				],
92				actual: hour_col.data().get_type(),
93			});
94		}
95		if !is_integer_type(min_col.data()) {
96			return Err(ScalarFunctionError::InvalidArgumentType {
97				function: ctx.fragment.clone(),
98				argument_index: 1,
99				expected: vec![
100					Type::Int1,
101					Type::Int2,
102					Type::Int4,
103					Type::Int8,
104					Type::Int16,
105					Type::Uint1,
106					Type::Uint2,
107					Type::Uint4,
108					Type::Uint8,
109					Type::Uint16,
110				],
111				actual: min_col.data().get_type(),
112			});
113		}
114		if !is_integer_type(sec_col.data()) {
115			return Err(ScalarFunctionError::InvalidArgumentType {
116				function: ctx.fragment.clone(),
117				argument_index: 2,
118				expected: vec![
119					Type::Int1,
120					Type::Int2,
121					Type::Int4,
122					Type::Int8,
123					Type::Int16,
124					Type::Uint1,
125					Type::Uint2,
126					Type::Uint4,
127					Type::Uint8,
128					Type::Uint16,
129				],
130				actual: sec_col.data().get_type(),
131			});
132		}
133		if let Some(nc) = &nano_col {
134			if !is_integer_type(nc.data()) {
135				return Err(ScalarFunctionError::InvalidArgumentType {
136					function: ctx.fragment.clone(),
137					argument_index: 3,
138					expected: vec![
139						Type::Int1,
140						Type::Int2,
141						Type::Int4,
142						Type::Int8,
143						Type::Uint1,
144						Type::Uint2,
145						Type::Uint4,
146					],
147					actual: nc.data().get_type(),
148				});
149			}
150		}
151
152		let mut container = TemporalContainer::with_capacity(row_count);
153
154		for i in 0..row_count {
155			let hour = extract_i32(hour_col.data(), i);
156			let min = extract_i32(min_col.data(), i);
157			let sec = extract_i32(sec_col.data(), i);
158			let nano = if let Some(nc) = &nano_col {
159				extract_i32(nc.data(), i)
160			} else {
161				Some(0)
162			};
163
164			match (hour, min, sec, nano) {
165				(Some(h), Some(m), Some(s), Some(n)) => {
166					if h >= 0 && m >= 0 && s >= 0 && n >= 0 {
167						match Time::new(h as u32, m as u32, s as u32, n as u32) {
168							Some(time) => container.push(time),
169							None => container.push_default(),
170						}
171					} else {
172						container.push_default();
173					}
174				}
175				_ => container.push_default(),
176			}
177		}
178
179		Ok(ColumnData::Time(container))
180	}
181
182	fn return_type(&self, _input_types: &[Type]) -> Type {
183		Type::Time
184	}
185}