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https://github.com/scsibug/nostr-rs-relay.git
synced 2024-11-22 00:59:07 -05:00
improvement: move db pool operations closer to query, do not panic on failure
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parent
9c1b21cbfe
commit
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@ -503,7 +503,7 @@ fn query_from_sub(sub: &Subscription) -> (String, Vec<Box<dyn ToSql>>) {
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/// query is immediately aborted.
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pub async fn db_query(
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sub: Subscription,
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conn: PooledConnection,
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pool: SqlitePool,
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query_tx: tokio::sync::mpsc::Sender<QueryResult>,
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mut abandon_query_rx: tokio::sync::oneshot::Receiver<()>,
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) {
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@ -514,7 +514,10 @@ pub async fn db_query(
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// generate SQL query
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let (q, p) = query_from_sub(&sub);
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debug!("SQL generated in {:?}", start.elapsed());
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// show pool stats
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debug!("DB pool stats: {:?}", pool.state());
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let start = Instant::now();
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if let Ok(conn) = pool.get() {
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// execute the query. Don't cache, since queries vary so much.
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let mut stmt = conn.prepare(&q)?;
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let mut event_rows = stmt.query(rusqlite::params_from_iter(p))?;
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@ -544,6 +547,9 @@ pub async fn db_query(
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row_count,
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start.elapsed()
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);
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} else {
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warn!("Could not get a database connection for querying");
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}
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let ok: Result<()> = Ok(());
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ok
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});
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@ -519,9 +519,7 @@ async fn nostr_server(
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previous_query.send(()).ok();
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}
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// start a database query
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// show pool stats
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debug!("DB pool stats: {:?}", pool.state());
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db::db_query(s, pool.get().expect("could not get connection"), query_tx.clone(), abandon_query_rx).await;
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db::db_query(s, pool.clone(), query_tx.clone(), abandon_query_rx).await;
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},
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Err(e) => {
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info!("Subscription error: {}", e);
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