use std::time::Duration;
use tokio::time::timeout;
use ydb::{AccessTokenCredentials, ClientBuilder, YdbError, YdbResult};
#[tokio::main]
async fn main() -> YdbResult<()> {
let client = ClientBuilder::new_from_connection_string("grpc://localhost:2136/local")?
.with_credentials(AccessTokenCredentials::from("asd"))
.client()?;
if let Ok(res) = timeout(Duration::from_secs(3), client.wait()).await {
res?
} else {
return Err(YdbError::from("Connection timeout"));
};
let mut row = client
.query_client()
.query_row("SELECT 1 + 1 AS sum")
.await?;
let sum: i32 = row.remove_field_by_name("sum")?.try_into()?;
println!("sum: {sum}");
Ok(())
}