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