reifydb_routine/function/rql/
fingerprint.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use bumpalo::Bump;
5use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
6use reifydb_rql::{
7	ast::parse_str,
8	fingerprint::{request::fingerprint_request, statement::fingerprint_statement},
9};
10use reifydb_type::value::r#type::Type;
11
12use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
13
14pub struct RqlFingerprint {
15	info: FunctionInfo,
16}
17
18impl Default for RqlFingerprint {
19	fn default() -> Self {
20		Self::new()
21	}
22}
23
24impl RqlFingerprint {
25	pub fn new() -> Self {
26		Self {
27			info: FunctionInfo::new("rql::fingerprint"),
28		}
29	}
30}
31
32impl Function for RqlFingerprint {
33	fn info(&self) -> &FunctionInfo {
34		&self.info
35	}
36
37	fn capabilities(&self) -> &[FunctionCapability] {
38		&[FunctionCapability::Scalar]
39	}
40
41	fn return_type(&self, _input_types: &[Type]) -> Type {
42		Type::Utf8
43	}
44
45	fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
46		if args.len() != 1 {
47			return Err(FunctionError::ArityMismatch {
48				function: ctx.fragment.clone(),
49				expected: 1,
50				actual: args.len(),
51			});
52		}
53
54		let column = &args[0];
55		let (data, bitvec) = column.data().unwrap_option();
56		let row_count = data.len();
57
58		match data {
59			ColumnData::Utf8 {
60				container,
61				..
62			} => {
63				let mut result_data = Vec::with_capacity(row_count);
64				let mut result_bitvec = Vec::with_capacity(row_count);
65
66				for i in 0..row_count {
67					if container.is_defined(i) {
68						let query = &container[i];
69						let bump = Bump::new();
70						let stmts = parse_str(&bump, query).map_err(|e| {
71							FunctionError::ExecutionFailed {
72								function: ctx.fragment.clone(),
73								reason: format!("{e}"),
74							}
75						})?;
76						let fps: Vec<_> =
77							stmts.iter().map(|s| fingerprint_statement(s)).collect();
78						let req = fingerprint_request(&fps);
79						result_data.push(req.to_hex());
80						result_bitvec.push(true);
81					} else {
82						result_data.push(String::new());
83						result_bitvec.push(false);
84					}
85				}
86
87				let inner_data = ColumnData::utf8_with_bitvec(result_data, result_bitvec);
88				let final_data = match bitvec {
89					Some(bv) => ColumnData::Option {
90						inner: Box::new(inner_data),
91						bitvec: bv.clone(),
92					},
93					None => inner_data,
94				};
95
96				Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), final_data)]))
97			}
98			other => Err(FunctionError::InvalidArgumentType {
99				function: ctx.fragment.clone(),
100				argument_index: 0,
101				expected: vec![Type::Utf8],
102				actual: other.get_type(),
103			}),
104		}
105	}
106}
reifydb_routine/function/rql/fingerprint.rs

reifydb_routine/function/rql/
fingerprint.rs
