reifydb-routine 0.4.10

Built-in routines (functions and procedures) for ReifyDB
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2025 ReifyDB

use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
use reifydb_type::value::{container::utf8::Utf8Container, r#type::Type};

use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};

pub struct TextUpper {
	info: FunctionInfo,
}

impl Default for TextUpper {
	fn default() -> Self {
		Self::new()
	}
}

impl TextUpper {
	pub fn new() -> Self {
		Self {
			info: FunctionInfo::new("text::upper"),
		}
	}
}

impl Function for TextUpper {
	fn info(&self) -> &FunctionInfo {
		&self.info
	}

	fn capabilities(&self) -> &[FunctionCapability] {
		&[FunctionCapability::Scalar]
	}

	fn return_type(&self, _input_types: &[Type]) -> Type {
		Type::Utf8
	}

	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
		if args.len() != 1 {
			return Err(FunctionError::ArityMismatch {
				function: ctx.fragment.clone(),
				expected: 1,
				actual: args.len(),
			});
		}

		let column = &args[0];
		let (data, bitvec) = column.data().unwrap_option();
		let row_count = data.len();

		match data {
			ColumnData::Utf8 {
				container,
				max_bytes,
			} => {
				let mut result_data = Vec::with_capacity(container.data().len());

				for i in 0..row_count {
					if container.is_defined(i) {
						let original_str = &container[i];
						let upper_str = original_str.to_uppercase();
						result_data.push(upper_str);
					} else {
						result_data.push(String::new());
					}
				}

				let result_col_data = ColumnData::Utf8 {
					container: Utf8Container::new(result_data),
					max_bytes: *max_bytes,
				};
				let final_data = match bitvec {
					Some(bv) => ColumnData::Option {
						inner: Box::new(result_col_data),
						bitvec: bv.clone(),
					},
					None => result_col_data,
				};
				Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), final_data)]))
			}
			other => Err(FunctionError::InvalidArgumentType {
				function: ctx.fragment.clone(),
				argument_index: 0,
				expected: vec![Type::Utf8],
				actual: other.get_type(),
			}),
		}
	}
}