reifydb_routine/function/date/
new.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, date::Date, r#type::Type};
6
7use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
8
9pub struct DateNew {
10	info: FunctionInfo,
11}
12
13impl Default for DateNew {
14	fn default() -> Self {
15		Self::new()
16	}
17}
18
19impl DateNew {
20	pub fn new() -> Self {
21		Self {
22			info: FunctionInfo::new("date::new"),
23		}
24	}
25}
26
27fn extract_i32(data: &ColumnData, i: usize) -> Option<i32> {
28	match data {
29		ColumnData::Int1(c) => c.get(i).map(|&v| v as i32),
30		ColumnData::Int2(c) => c.get(i).map(|&v| v as i32),
31		ColumnData::Int4(c) => c.get(i).copied(),
32		ColumnData::Int8(c) => c.get(i).map(|&v| v as i32),
33		ColumnData::Int16(c) => c.get(i).map(|&v| v as i32),
34		ColumnData::Uint1(c) => c.get(i).map(|&v| v as i32),
35		ColumnData::Uint2(c) => c.get(i).map(|&v| v as i32),
36		ColumnData::Uint4(c) => c.get(i).map(|&v| v as i32),
37		ColumnData::Uint8(c) => c.get(i).map(|&v| v as i32),
38		ColumnData::Uint16(c) => c.get(i).map(|&v| v as i32),
39		_ => None,
40	}
41}
42
43fn is_integer_type(data: &ColumnData) -> bool {
44	matches!(
45		data,
46		ColumnData::Int1(_)
47			| ColumnData::Int2(_) | ColumnData::Int4(_)
48			| ColumnData::Int8(_) | ColumnData::Int16(_)
49			| ColumnData::Uint1(_)
50			| ColumnData::Uint2(_)
51			| ColumnData::Uint4(_)
52			| ColumnData::Uint8(_)
53			| ColumnData::Uint16(_)
54	)
55}
56
57impl Function for DateNew {
58	fn info(&self) -> &FunctionInfo {
59		&self.info
60	}
61
62	fn capabilities(&self) -> &[FunctionCapability] {
63		&[FunctionCapability::Scalar]
64	}
65
66	fn return_type(&self, _input_types: &[Type]) -> Type {
67		Type::Date
68	}
69
70	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
71		if args.len() != 3 {
72			return Err(FunctionError::ArityMismatch {
73				function: ctx.fragment.clone(),
74				expected: 3,
75				actual: args.len(),
76			});
77		}
78
79		let year_col = &args[0];
80		let month_col = &args[1];
81		let day_col = &args[2];
82		let (year_data, _) = year_col.data().unwrap_option();
83		let (month_data, _) = month_col.data().unwrap_option();
84		let (day_data, _) = day_col.data().unwrap_option();
85		let row_count = year_data.len();
86
87		if !is_integer_type(year_data) {
88			return Err(FunctionError::InvalidArgumentType {
89				function: ctx.fragment.clone(),
90				argument_index: 0,
91				expected: vec![
92					Type::Int1,
93					Type::Int2,
94					Type::Int4,
95					Type::Int8,
96					Type::Int16,
97					Type::Uint1,
98					Type::Uint2,
99					Type::Uint4,
100					Type::Uint8,
101					Type::Uint16,
102				],
103				actual: year_data.get_type(),
104			});
105		}
106		if !is_integer_type(month_data) {
107			return Err(FunctionError::InvalidArgumentType {
108				function: ctx.fragment.clone(),
109				argument_index: 1,
110				expected: vec![
111					Type::Int1,
112					Type::Int2,
113					Type::Int4,
114					Type::Int8,
115					Type::Int16,
116					Type::Uint1,
117					Type::Uint2,
118					Type::Uint4,
119					Type::Uint8,
120					Type::Uint16,
121				],
122				actual: month_data.get_type(),
123			});
124		}
125		if !is_integer_type(day_data) {
126			return Err(FunctionError::InvalidArgumentType {
127				function: ctx.fragment.clone(),
128				argument_index: 2,
129				expected: vec![
130					Type::Int1,
131					Type::Int2,
132					Type::Int4,
133					Type::Int8,
134					Type::Int16,
135					Type::Uint1,
136					Type::Uint2,
137					Type::Uint4,
138					Type::Uint8,
139					Type::Uint16,
140				],
141				actual: day_data.get_type(),
142			});
143		}
144
145		let mut container = TemporalContainer::with_capacity(row_count);
146
147		for i in 0..row_count {
148			let year = extract_i32(year_data, i);
149			let month = extract_i32(month_data, i);
150			let day = extract_i32(day_data, i);
151
152			match (year, month, day) {
153				(Some(y), Some(m), Some(d)) => {
154					if m >= 1 && d >= 1 {
155						match Date::new(y, m as u32, d as u32) {
156							Some(date) => container.push(date),
157							None => container.push_default(),
158						}
159					} else {
160						container.push_default();
161					}
162				}
163				_ => container.push_default(),
164			}
165		}
166
167		Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), ColumnData::Date(container))]))
168	}
169}
reifydb_routine/function/date/new.rs

reifydb_routine/function/date/
new.rs
