TODO Debug sqlite performance

Cargo.toml

@@ -7,43 +7,49 @@ version = "0.8.3"
 edition = "2021"
 
 [workspace.dependencies]
-anyhow = "1.0.86"
-async-trait = "0.1.80"
-clap = { version = "4.5.4", features = ["derive", "deprecated"] }
+anyhow = "1.0.96"
+async-trait = "0.1.86"
+clap = { version = "4.5.30", features = ["derive", "deprecated"] }
 cookie = "0.18.1"
-crossterm = "0.27.0"
-directories = "5.0.1"
+crossterm = "0.28.1"
+directories = "6.0.0"
 edit = "0.1.5"
 jiff = "0.2.1"
 linkify = "0.10.0"
-log = { version = "0.4.21", features = ["std"] }
-once_cell = "1.19.0"
-open = "5.1.3"
-parking_lot = "0.12.2"
-proc-macro2 = "1.0.83"
-quote = "1.0.36"
-rusqlite = { version = "0.31.0", features = ["bundled", "time"] }
-rustls = "0.23.19"
-serde = { version = "1.0.202", features = ["derive"] }
+log = { version = "0.4.25", features = ["std"] }
+once_cell = "1.20.2"
+open = "5.3.2"
+parking_lot = "0.12.3"
+proc-macro2 = "1.0.93"
+quote = "1.0.38"
+rusqlite = { version = "0.31.0", features = [
+    # "bundled",
+    "time",
+] }
+rustls = "0.23.23"
+serde = { version = "1.0.218", features = ["derive"] }
 serde_either = "0.2.1"
-serde_json = "1.0.117"
-syn = "2.0.65"
-thiserror = "1.0.61"
-tokio = { version = "1.37.0", features = ["full"] }
-toml = "0.8.13"
-unicode-width = "0.1.12"
+serde_json = "1.0.139"
+syn = "2.0.98"
+thiserror = "2.0.11"
+tokio = { version = "1.43.0", features = ["full"] }
+toml = "0.8.20"
+unicode-width = "0.2.0"
 
 [workspace.dependencies.euphoxide]
-git = "https://github.com/Garmelon/euphoxide.git"
+path = "../euphoxide"
+# git = "https://github.com/Garmelon/euphoxide.git"
 features = ["bot"]
 
 [workspace.dependencies.toss]
-git = "https://github.com/Garmelon/toss.git"
-tag = "v0.2.3"
+path = "../toss"
+# git = "https://github.com/Garmelon/toss.git"
+# tag = "v0.2.3"
 
 [workspace.dependencies.vault]
-git = "https://github.com/Garmelon/vault.git"
-tag = "v0.4.0"
+path = "../vault"
+# git = "https://github.com/Garmelon/vault.git"
+# tag = "v0.5.0"
 features = ["tokio"]
 
 [workspace.lints]
@@ -71,3 +77,11 @@ clippy.use_self = "warn"
 
 [profile.dev.package."*"]
 opt-level = 3
+
+# For profiling
+
+[profile.release]
+debug = 1
+
+[rust]
+debuginfo-level = 1

cove/src/vault/euph.rs

@@ -1,4 +1,5 @@
 use std::str::FromStr;
+use std::time::Instant;
 use std::{fmt, mem};
 
 use async_trait::async_trait;
@@ -686,12 +687,12 @@ impl Action for GetTree {
     type Error = rusqlite::Error;
 
     fn run(self, conn: &mut Connection) -> Result<Self::Output, Self::Error> {
-        let msgs = conn
-            .prepare(
-                "
+        let start = Instant::now();
+
+        let query = "
                 WITH RECURSIVE
                 tree (domain, room, id) AS (
-                    VALUES (?, ?, ?)
+                    VALUES (:domain, :room, :id)
                 UNION
                     SELECT euph_msgs.domain, euph_msgs.room, euph_msgs.id
                     FROM euph_msgs
@@ -700,14 +701,35 @@ impl Action for GetTree {
                         AND tree.room = euph_msgs.room
                         AND tree.id = euph_msgs.parent
                 )
-                SELECT id, parent, time, name, content, seen
+                SELECT id, parent, time, 'name', 'content', 1
                 FROM euph_msgs
                 JOIN tree USING (domain, room, id)
                 ORDER BY id ASC
-                ",
-            )?
+                ";
+
+        let mut statement = conn.prepare(&format!("EXPLAIN QUERY PLAN {query}"))?;
+        let mut rows = statement.query(named_params! {
+            ":domain": self.room.domain,
+            ":room": self.room.name,
+            ":id": WSnowflake(self.root_id.0),
+        })?;
+
+        while let Some(row) = rows.next()? {
+            let id = row.get::<_, i64>("id")?;
+            let parent = row.get::<_, i64>("parent")?;
+            let notused = row.get::<_, i64>("notused")?;
+            let detail = row.get::<_, String>("detail")?;
+            eprintln!("{parent:3} -> {id:3} (notused {notused:3}): {detail}");
+        }
+
+        let msgs = conn
+            .prepare(query)?
             .query_map(
-                params![self.room.domain, self.room.name, WSnowflake(self.root_id.0)],
+                named_params! {
+                    ":domain": self.room.domain,
+                    ":room": self.room.name,
+                    ":id": WSnowflake(self.root_id.0),
+                },
                 |row| {
                     Ok(SmallMessage {
                         id: MessageId(row.get::<_, WSnowflake>(0)?.0),
@@ -720,6 +742,8 @@ impl Action for GetTree {
                 },
             )?
             .collect::<rusqlite::Result<_>>()?;
+        let end = Instant::now();
+        eprintln!("{:10}", end.duration_since(start).as_micros());
         Ok(Tree::new(self.root_id, msgs))
     }
 }