frontend, sysdb: Correctly handle empty queries.

[sysdb.git] / src / include / frontend / proto.h

diff --git a/src/include/frontend/proto.h b/src/include/frontend/proto.h
index 2fabad513b06e5c156c021617262606de628c7f2..91dd3609ce4307de6ff8ae54a01f68dfbbd2055b 100644 (file)
--- a/src/include/frontend/proto.h
+++ b/src/include/frontend/proto.h
@@ -108,7 +108,9 @@ typedef enum {
         * contain the type of the data and the result encoded as a JSON string.
         * The type is the same as the command code of the respective command (see
         * below) and is stored as an unsigned 32bit integer in network
-        * byte-order. The result may be empty (but the type is still included).
+        * byte-order. The result may be empty (but the type is still included) if
+        * the query did not return any result. The type and the result message
+        * are empty on empty commands.
         *
         * 0               32              64
         * +---------------+---------------+