From 4a8868b305cbd26fac58e1d08eb98941e5e307cd Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 31 Aug 2007 15:45:28 +0200
Subject: [PATCH] Join in the rare case that presorting creates a single run,
 which is not known in advance to be final.

---
 lib/sorter/govern.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sorter/govern.c b/lib/sorter/govern.c
index 7b67110b..f761eb7d 100644
--- a/lib/sorter/govern.c
+++ b/lib/sorter/govern.c
@@ -158,7 +158,7 @@ sorter_twoway(struct sort_context *ctx, struct sort_bucket *b)
   do {
     ++pass;
     sorter_start_timer(ctx);
-    if (ins[0]->runs == 1 && ins[1]->runs == 1 && join)
+    if (ins[0]->runs <= 1 && ins[1]->runs <= 1 && join)
       {
 	// This is guaranteed to produce a single run, so join if possible
 	outs[0] = join;
-- 
2.39.2