38 lines
833 B
Rust
38 lines
833 B
Rust
use std::sync::LazyLock;
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use surrealdb::engine::remote::ws::Client;
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use surrealdb::engine::remote::ws::Ws;
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use surrealdb::Surreal;
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use tokio::sync::mpsc;
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static DB: LazyLock<Surreal<Client>> = LazyLock::new(Surreal::init);
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const NUM: usize = 100_000;
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#[tokio::main]
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async fn main() -> surrealdb::Result<()> {
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DB.connect::<Ws>("localhost:8000").with_capacity(NUM).await?;
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DB.use_ns("namespace").use_db("database").await?;
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let (tx, mut rx) = mpsc::channel::<()>(1);
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for idx in 0..NUM {
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let sender = tx.clone();
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tokio::spawn(async move {
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let mut result = DB.query("SELECT * FROM $idx").bind(("idx", idx)).await.unwrap();
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let db_idx: Option<usize> = result.take(0).unwrap();
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if let Some(db_idx) = db_idx {
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println!("{idx}: {db_idx}");
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}
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drop(sender);
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});
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}
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drop(tx);
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rx.recv().await;
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Ok(())
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}
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