reifydb_function/text/
replace.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::{constraint::bytes::MaxBytes, container::utf8::Utf8Container, r#type::Type};
6
7use crate::{ScalarFunction, ScalarFunctionContext, error::ScalarFunctionError, propagate_options};
8
9pub struct TextReplace;
10
11impl TextReplace {
12	pub fn new() -> Self {
13		Self
14	}
15}
16
17impl ScalarFunction for TextReplace {
18	fn scalar(&self, ctx: ScalarFunctionContext) -> crate::error::ScalarFunctionResult<ColumnData> {
19		if let Some(result) = propagate_options(self, &ctx) {
20			return result;
21		}
22
23		let columns = ctx.columns;
24		let row_count = ctx.row_count;
25
26		if columns.len() != 3 {
27			return Err(ScalarFunctionError::ArityMismatch {
28				function: ctx.fragment.clone(),
29				expected: 3,
30				actual: columns.len(),
31			});
32		}
33
34		let str_col = columns.get(0).unwrap();
35		let from_col = columns.get(1).unwrap();
36		let to_col = columns.get(2).unwrap();
37
38		match (str_col.data(), from_col.data(), to_col.data()) {
39			(
40				ColumnData::Utf8 {
41					container: str_container,
42					..
43				},
44				ColumnData::Utf8 {
45					container: from_container,
46					..
47				},
48				ColumnData::Utf8 {
49					container: to_container,
50					..
51				},
52			) => {
53				let mut result_data = Vec::with_capacity(row_count);
54
55				for i in 0..row_count {
56					if str_container.is_defined(i)
57						&& from_container.is_defined(i) && to_container.is_defined(i)
58					{
59						let s = &str_container[i];
60						let from = &from_container[i];
61						let to = &to_container[i];
62						result_data.push(s.replace(from.as_str(), to.as_str()));
63					} else {
64						result_data.push(String::new());
65					}
66				}
67
68				Ok(ColumnData::Utf8 {
69					container: Utf8Container::new(result_data),
70					max_bytes: MaxBytes::MAX,
71				})
72			}
73			(
74				ColumnData::Utf8 {
75					..
76				},
77				ColumnData::Utf8 {
78					..
79				},
80				other,
81			) => Err(ScalarFunctionError::InvalidArgumentType {
82				function: ctx.fragment.clone(),
83				argument_index: 2,
84				expected: vec![Type::Utf8],
85				actual: other.get_type(),
86			}),
87			(
88				ColumnData::Utf8 {
89					..
90				},
91				other,
92				_,
93			) => Err(ScalarFunctionError::InvalidArgumentType {
94				function: ctx.fragment.clone(),
95				argument_index: 1,
96				expected: vec![Type::Utf8],
97				actual: other.get_type(),
98			}),
99			(other, _, _) => Err(ScalarFunctionError::InvalidArgumentType {
100				function: ctx.fragment.clone(),
101				argument_index: 0,
102				expected: vec![Type::Utf8],
103				actual: other.get_type(),
104			}),
105		}
106	}
107
108	fn return_type(&self, _input_types: &[Type]) -> Type {
109		Type::Utf8
110	}
111}
reifydb_function/text/replace.rs

reifydb_function/text/
replace.rs
