From b1d1e45ef838dff676ed9a519a9d87aa9aedffc7 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 17 Jul 2015 14:16:53 +0200
Subject: Handle empty query::in_range() case

---
 common/query/basics/driver.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/query/basics/driver.cxx b/common/query/basics/driver.cxx
index a982901..a9a394d 100644
--- a/common/query/basics/driver.cxx
+++ b/common/query/basics/driver.cxx
@@ -408,6 +408,12 @@ main (int argc, char* argv[])
       r = db->query<person> (query::first_name.in_range (names, names_end));
       print (r);
 
+      // Empty range.
+      //
+      r = db->query<person> (query::last_name == "Doe" &&
+                             query::first_name.in_range (names, names));
+      assert (r.empty ());
+
       t.commit ();
     }
 
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