show database debug info

1 files changed, 12 insertions, 1 deletions

diff --git a/database/src/kv/mod.rs b/database/src/kv/mod.rs
index f90f07e..257eec4 100644
--- a/database/src/kv/mod.rs
+++ b/database/src/kv/mod.rs
@@ -27,7 +27,7 @@ use crate::{
 use anyhow::{Result, anyhow};
 use jellyobject::ObjectBuffer;
 use log::{debug, info};
-use std::borrow::Cow;
+use std::{borrow::Cow, fmt::Write};
 
 pub type SubtreeNum = u32;
 
@@ -132,6 +132,17 @@ impl Transaction for &mut dyn jellykv::Transaction {
         }
         Ok(total)
     }
+
+    fn debug_info(&self) -> Result<String> {
+        let mut o = String::new();
+        let rc = read_counter(*self, &T_ROW_COUNTER.to_be_bytes(), 0)?;
+        writeln!(o, "Row Counter: {rc}")?;
+        writeln!(o, "Indices:")?;
+        for (is, ik) in list_indices(*self)? {
+            writeln!(o, "\tIS={is} IK={ik}")?;
+        }
+        Ok(o)
+    }
 }
 
 fn get_or_create_index(txn: &mut dyn jellykv::Transaction, ik: &IndexKey) -> Result<SubtreeNum> {