From 3ec09f9be13f5f295c1e24c08c4e009b0b480b21 Mon Sep 17 00:00:00 2001
From: Shaun Ruffell <sruffell@sruffell.net>
Date: Mon, 2 Dec 2019 21:59:19 -0600
Subject: [PATCH] getOverlaps should use non-empty range filter

We can eliminate the need to parse the entire database if we only look for
overlaps based on the latest interval.

Related to issue #245.
---
 src/Interval.h | 1 +
 src/helper.cpp | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Interval.h b/src/Interval.h
index 95735956..fc9ae89c 100644
--- a/src/Interval.h
+++ b/src/Interval.h
@@ -35,6 +35,7 @@ class Interval : public Range
 {
 public:
   Interval () = default;
+  Interval (const Datetime& start, const Datetime& end) : Range (start, end) {}
   bool empty () const;
 
   bool hasTag (const std::string&) const;
diff --git a/src/helper.cpp b/src/helper.cpp
index 148499f1..905ae810 100644
--- a/src/helper.cpp
+++ b/src/helper.cpp
@@ -446,7 +446,8 @@ std::vector <Interval> getOverlaps (
   const Rules& rules,
   const Interval& interval)
 {
-  Interval range_filter;
+  Interval range_filter {interval.start, interval.end};
+
   auto tracked = getTracked (database, rules, range_filter);
 
   std::vector <Interval> overlaps;