grafbase_sql_ast/ast/function/
encode.rs

1use super::Function;
2use crate::ast::Expression;
3
4/// The encode format.
5#[derive(Debug, Clone, Copy, PartialEq)]
6pub enum EncodeFormat {
7    Base64,
8    Escape,
9    Hex,
10}
11
12/// A representation of the `encode` function in PostgreSQL.
13#[derive(Debug, Clone, PartialEq)]
14pub struct Encode<'a> {
15    pub(crate) expression: Expression<'a>,
16    pub(crate) format: EncodeFormat,
17}
18
19/// Return the given table as JSONB collection.
20pub fn encode<'a>(expression: impl Into<Expression<'a>>, format: EncodeFormat) -> Function<'a> {
21    let fun = Encode {
22        expression: expression.into(),
23        format,
24    };
25
26    fun.into()
27}
28
29impl<'a> From<Encode<'a>> for Function<'a> {
30    fn from(value: Encode<'a>) -> Self {
31        Self {
32            typ_: super::FunctionType::Encode(value),
33            alias: None,
34        }
35    }
36}