From 096f49bb1d6b99cd4e4ba608cd3b77e6ebcd1df4 Mon Sep 17 00:00:00 2001
From: Martin Sumner <martin.sumner@adaptip.co.uk>
Date: Mon, 19 Mar 2018 11:40:49 +0000
Subject: [PATCH] Add missing comment

---
 src/leveled_sst.erl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/leveled_sst.erl b/src/leveled_sst.erl
index d0ac95a..5cc0f6f 100644
--- a/src/leveled_sst.erl
+++ b/src/leveled_sst.erl
@@ -319,6 +319,13 @@ sst_getkvrange(Pid, StartKey, EndKey, ScanWidth) ->
 %%
 %% To make the range open-ended (either to start, end or both) the all atom
 %% can be used in place of the Key tuple.
+%%
+%% A segment list can also be passed, which inidcates a subset of segment 
+%% hashes of interest in the query.  
+%%
+%% TODO: Optimise this so that passing a list of segments that tune to the
+%% same hash is faster - perhaps provide an exportable function in 
+%% leveled_tictac
 sst_getfilteredrange(Pid, StartKey, EndKey, ScanWidth, SegList) ->
     SegList0 = tune_seglist(SegList),
     case gen_fsm:sync_send_event(Pid,