reifydb_routine/function/blob/
b64url.rs1use reifydb_core::value::column::{Column, columns::Columns, data::ColumnData};
5use reifydb_type::{
6 fragment::Fragment,
7 value::{blob::Blob, r#type::Type},
8};
9
10use crate::function::{Function, FunctionCapability, FunctionContext, FunctionInfo, error::FunctionError};
11
12pub struct BlobB64url {
13 info: FunctionInfo,
14}
15
16impl Default for BlobB64url {
17 fn default() -> Self {
18 Self::new()
19 }
20}
21
22impl BlobB64url {
23 pub fn new() -> Self {
24 Self {
25 info: FunctionInfo::new("blob::b64url"),
26 }
27 }
28}
29
30impl Function for BlobB64url {
31 fn info(&self) -> &FunctionInfo {
32 &self.info
33 }
34
35 fn capabilities(&self) -> &[FunctionCapability] {
36 &[FunctionCapability::Scalar]
37 }
38
39 fn return_type(&self, _input_types: &[Type]) -> Type {
40 Type::Blob
41 }
42
43 fn execute(&self, ctx: &FunctionContext, args: &Columns) -> Result<Columns, FunctionError> {
44 if args.len() != 1 {
45 return Err(FunctionError::ArityMismatch {
46 function: ctx.fragment.clone(),
47 expected: 1,
48 actual: args.len(),
49 });
50 }
51
52 let column = &args[0];
53 let (data, bitvec) = column.data().unwrap_option();
54 let row_count = data.len();
55
56 match data {
57 ColumnData::Utf8 {
58 container,
59 ..
60 } => {
61 let mut result_data = Vec::with_capacity(container.data().len());
62 let mut result_bitvec = Vec::with_capacity(row_count);
63
64 for i in 0..row_count {
65 if container.is_defined(i) {
66 let b64url_str = &container[i];
67 let blob = Blob::from_b64url(Fragment::internal(b64url_str))?;
68 result_data.push(blob);
69 result_bitvec.push(true);
70 } else {
71 result_data.push(Blob::empty());
72 result_bitvec.push(false);
73 }
74 }
75
76 let result_col_data = ColumnData::blob_with_bitvec(result_data, result_bitvec);
77 let final_data = match bitvec {
78 Some(bv) => ColumnData::Option {
79 inner: Box::new(result_col_data),
80 bitvec: bv.clone(),
81 },
82 None => result_col_data,
83 };
84 Ok(Columns::new(vec![Column::new(ctx.fragment.clone(), final_data)]))
85 }
86 other => Err(FunctionError::InvalidArgumentType {
87 function: ctx.fragment.clone(),
88 argument_index: 0,
89 expected: vec![Type::Utf8],
90 actual: other.get_type(),
91 }),
92 }
93 }
94}