reifydb_routine/function/date/
new.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::value::column::{ColumnWithName, buffer::ColumnBuffer, columns::Columns};
5use reifydb_type::value::{container::temporal::TemporalContainer, date::Date, r#type::Type};
6
7use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
8
9pub struct DateNew {
10	info: RoutineInfo,
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: RoutineInfo::new("date::new"),
23		}
24	}
25}
26
27fn extract_i32(data: &ColumnBuffer, i: usize) -> Option<i32> {
28	match data {
29		ColumnBuffer::Int1(c) => c.get(i).map(|&v| v as i32),
30		ColumnBuffer::Int2(c) => c.get(i).map(|&v| v as i32),
31		ColumnBuffer::Int4(c) => c.get(i).copied(),
32		ColumnBuffer::Int8(c) => c.get(i).map(|&v| v as i32),
33		ColumnBuffer::Int16(c) => c.get(i).map(|&v| v as i32),
34		ColumnBuffer::Uint1(c) => c.get(i).map(|&v| v as i32),
35		ColumnBuffer::Uint2(c) => c.get(i).map(|&v| v as i32),
36		ColumnBuffer::Uint4(c) => c.get(i).map(|&v| v as i32),
37		ColumnBuffer::Uint8(c) => c.get(i).map(|&v| v as i32),
38		ColumnBuffer::Uint16(c) => c.get(i).map(|&v| v as i32),
39		_ => None,
40	}
41}
42
43fn is_integer_type(data: &ColumnBuffer) -> bool {
44	matches!(
45		data,
46		ColumnBuffer::Int1(_)
47			| ColumnBuffer::Int2(_)
48			| ColumnBuffer::Int4(_)
49			| ColumnBuffer::Int8(_)
50			| ColumnBuffer::Int16(_)
51			| ColumnBuffer::Uint1(_)
52			| ColumnBuffer::Uint2(_)
53			| ColumnBuffer::Uint4(_)
54			| ColumnBuffer::Uint8(_)
55			| ColumnBuffer::Uint16(_)
56	)
57}
58
59impl<'a> Routine<FunctionContext<'a>> for DateNew {
60	fn info(&self) -> &RoutineInfo {
61		&self.info
62	}
63
64	fn return_type(&self, _input_types: &[Type]) -> Type {
65		Type::Date
66	}
67
68	fn execute(&self, ctx: &mut FunctionContext<'a>, args: &Columns) -> Result<Columns, RoutineError> {
69		if args.len() != 3 {
70			return Err(RoutineError::FunctionArityMismatch {
71				function: ctx.fragment.clone(),
72				expected: 3,
73				actual: args.len(),
74			});
75		}
76
77		let year_col = &args[0];
78		let month_col = &args[1];
79		let day_col = &args[2];
80		let (year_data, _) = year_col.unwrap_option();
81		let (month_data, _) = month_col.unwrap_option();
82		let (day_data, _) = day_col.unwrap_option();
83		let row_count = year_data.len();
84
85		if !is_integer_type(year_data) {
86			return Err(RoutineError::FunctionInvalidArgumentType {
87				function: ctx.fragment.clone(),
88				argument_index: 0,
89				expected: vec![
90					Type::Int1,
91					Type::Int2,
92					Type::Int4,
93					Type::Int8,
94					Type::Int16,
95					Type::Uint1,
96					Type::Uint2,
97					Type::Uint4,
98					Type::Uint8,
99					Type::Uint16,
100				],
101				actual: year_data.get_type(),
102			});
103		}
104		if !is_integer_type(month_data) {
105			return Err(RoutineError::FunctionInvalidArgumentType {
106				function: ctx.fragment.clone(),
107				argument_index: 1,
108				expected: vec![
109					Type::Int1,
110					Type::Int2,
111					Type::Int4,
112					Type::Int8,
113					Type::Int16,
114					Type::Uint1,
115					Type::Uint2,
116					Type::Uint4,
117					Type::Uint8,
118					Type::Uint16,
119				],
120				actual: month_data.get_type(),
121			});
122		}
123		if !is_integer_type(day_data) {
124			return Err(RoutineError::FunctionInvalidArgumentType {
125				function: ctx.fragment.clone(),
126				argument_index: 2,
127				expected: vec![
128					Type::Int1,
129					Type::Int2,
130					Type::Int4,
131					Type::Int8,
132					Type::Int16,
133					Type::Uint1,
134					Type::Uint2,
135					Type::Uint4,
136					Type::Uint8,
137					Type::Uint16,
138				],
139				actual: day_data.get_type(),
140			});
141		}
142
143		let mut container = TemporalContainer::with_capacity(row_count);
144
145		for i in 0..row_count {
146			let year = extract_i32(year_data, i);
147			let month = extract_i32(month_data, i);
148			let day = extract_i32(day_data, i);
149
150			match (year, month, day) {
151				(Some(y), Some(m), Some(d)) => {
152					if m >= 1 && d >= 1 {
153						match Date::new(y, m as u32, d as u32) {
154							Some(date) => container.push(date),
155							None => container.push_default(),
156						}
157					} else {
158						container.push_default();
159					}
160				}
161				_ => container.push_default(),
162			}
163		}
164
165		Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), ColumnBuffer::Date(container))]))
166	}
167}
168
169impl Function for DateNew {
170	fn kinds(&self) -> &[FunctionKind] {
171		&[FunctionKind::Scalar]
172	}
173}
reifydb_routine/function/date/new.rs

reifydb_routine/function/date/
new.rs
