Add more details in ReadLog exception message

Signed-off-by: Wenbo Li <lwb21@mails.tsinghua.edu.cn>
thu-db · Mar 21, 2024 · 01d91d6 · 01d91d6
1 parent 113f862
commit 01d91d6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/storage/disk.cpp b/src/storage/disk.cpp
@@ -114,7 +114,8 @@ void Disk::ReadLog(uint32_t offset, uint32_t count, char *data) {
   log_fs_.seekg(offset);
   log_fs_.read(data, count);
   if (log_fs_.gcount() != count) {
-    throw DbException("read log failed");
+    throw DbException("read log failed (offset: " + std::to_string(offset) + ", count: " + std::to_string(count) +
+                      ", read: " + std::to_string(log_fs_.gcount()) + ")");
   }
 }