---
source: crates/edgedb_codegen/tests/codegen.rs
expression: "&content"
---
pub mod example {
use ::edgedb_codegen::exports as e;
/// Execute the desired query.
#[cfg(feature = "query")]
pub async fn query(
client: &e::edgedb_tokio::Client,
props: &Input,
) -> core::result::Result<Option<Output>, e::edgedb_errors::Error> {
client.query_single(QUERY, props).await
}
/// Compose the query as part of a larger transaction.
#[cfg(feature = "query")]
pub async fn transaction(
conn: &mut e::edgedb_tokio::Transaction,
props: &Input,
) -> core::result::Result<Option<Output>, e::edgedb_errors::Error> {
conn.query_single(QUERY, props).await
}
#[derive(Clone, Debug)]
#[cfg_attr(feature = "builder", derive(e::typed_builder::TypedBuilder))]
#[cfg_attr(feature = "query", derive(e::edgedb_derive::Queryable))]
#[cfg_attr(feature = "serde", derive(e::serde::Serialize, e::serde::Deserialize))]
pub struct Input {
#[cfg_attr(feature = "builder", builder(setter(into)))]
pub id: e::uuid::Uuid,
}
impl e::edgedb_protocol::query_arg::QueryArgs for Input {
fn encode(
&self,
encoder: &mut e::edgedb_protocol::query_arg::Encoder,
) -> core::result::Result<(), e::edgedb_errors::Error> {
let map = e::edgedb_protocol::named_args! {
"id" => self.id.clone(),
};
map.encode(encoder)
}
}
#[derive(Clone, Debug)]
#[cfg_attr(feature = "query", derive(e::edgedb_derive::Queryable))]
#[cfg_attr(feature = "serde", derive(e::serde::Serialize, e::serde::Deserialize))]
pub struct Output {
pub id: e::uuid::Uuid,
}
/// The original query string provided to the macro. Can be reused in your codebase.
pub const QUERY: &str = "delete User filter .id = <uuid>$id;\n";
}