Substantially optimize reference-row-fetching

[rapid-gossip-sync-server] / src / config.rs

diff --git a/src/config.rs b/src/config.rs
index 6728312badc4621d532c692744b15ede3d8de742..2d93487262152bb1dd728f3c56d10ad560fa17f3 100644 (file)
--- a/src/config.rs
+++ b/src/config.rs
@@ -15,7 +15,7 @@ use lightning::util::ser::Readable;
 use lightning_block_sync::http::HttpEndpoint;
 use tokio_postgres::Config;
 
-pub(crate) const SCHEMA_VERSION: i32 = 9;
+pub(crate) const SCHEMA_VERSION: i32 = 10;
 pub(crate) const SNAPSHOT_CALCULATION_INTERVAL: u32 = 3600 * 24; // every 24 hours, in seconds
 /// If the last update in either direction was more than six days ago, we send a reminder
 /// That reminder may be either in the form of a channel announcement, or in the form of empty
@@ -105,8 +105,9 @@ pub(crate) fn db_channel_update_table_creation_query() -> &'static str {
 pub(crate) fn db_index_creation_query() -> &'static str {
        "
        CREATE INDEX IF NOT EXISTS channel_updates_seen_scid ON channel_updates(seen, short_channel_id);
-       CREATE INDEX IF NOT EXISTS channel_updates_scid_dir_seen ON channel_updates(short_channel_id ASC, direction ASC, seen DESC) INCLUDE (id, blob_signed);
        CREATE INDEX IF NOT EXISTS channel_updates_scid_dir_seen_asc ON channel_updates(short_channel_id, direction, seen);
+       CREATE INDEX IF NOT EXISTS channel_updates_scid_dir_seen_desc_with_id ON channel_updates(short_channel_id ASC, direction ASC, seen DESC) INCLUDE (id);
+       CREATE INDEX IF NOT EXISTS channel_updates_id_with_scid_dir_blob ON channel_updates(id) INCLUDE (short_channel_id, direction, blob_signed);
        CREATE UNIQUE INDEX IF NOT EXISTS channel_updates_key ON channel_updates (short_channel_id, direction, timestamp);
        "
 }
@@ -228,6 +229,12 @@ pub(crate) async fn upgrade_db(schema: i32, client: &mut tokio_postgres::Client)
                tx.execute("UPDATE config SET db_schema = 9 WHERE id = 1", &[]).await.unwrap();
                tx.commit().await.unwrap();
        }
+       if schema >= 1 && schema <= 9 {
+               let tx = client.transaction().await.unwrap();
+               tx.execute("DROP INDEX channel_updates_scid_dir_seen", &[]).await.unwrap();
+               tx.execute("UPDATE config SET db_schema = 10 WHERE id = 1", &[]).await.unwrap();
+               tx.commit().await.unwrap();
+       }
        if schema <= 1 || schema > SCHEMA_VERSION {
                panic!("Unknown schema in db: {}, we support up to {}", schema, SCHEMA_VERSION);
        }