diff --git a/backend/src/services/SqlExecutor.ts b/backend/src/services/SqlExecutor.ts
index 76f174f..dca569e 100644
--- a/backend/src/services/SqlExecutor.ts
+++ b/backend/src/services/SqlExecutor.ts
@@ -56,9 +56,19 @@ export class SqlExecutor {
 
       // Execute with retry mechanism
       const result = await this.retryQuery(async () => {
-        // Check search_path and backend PID for debugging
-        const debugResult = await pool.query('SELECT current_setting(\'search_path\') as search_path, pg_backend_pid() as pid, inet_server_addr() as server_ip');
-        console.log('[SQL Debug] search_path:', debugResult.rows[0]?.search_path, 'pid:', debugResult.rows[0]?.pid, 'server_ip:', debugResult.rows[0]?.server_ip);
+        // Check session info for debugging
+        const debugResult = await pool.query(`
+          SELECT
+            current_setting('search_path') as search_path,
+            pg_backend_pid() as pid,
+            inet_server_addr() as server_ip,
+            current_user as cur_user,
+            session_user as sess_user,
+            current_setting('role') as role,
+            current_setting('transaction_isolation') as isolation
+        `);
+        const d = debugResult.rows[0];
+        console.log('[SQL Debug] pid:', d?.pid, 'cur_user:', d?.cur_user, 'sess_user:', d?.sess_user, 'role:', d?.role, 'isolation:', d?.isolation);
 
         const queryResult = await pool.query(sqlQuery, params);
         console.log('[SQL Result] rowCount:', queryResult.rowCount, 'rows:', JSON.stringify(queryResult.rows).substring(0, 500));