From 691499b667acd1f329a994ca50205d57cd726e56 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 3 Jun 2020 11:45:06 +0200
Subject: [statistics] Fix querying location 0 (no location)

---
 modules-available/statistics/inc/statisticsfilter.inc.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules-available/statistics/inc/statisticsfilter.inc.php b/modules-available/statistics/inc/statisticsfilter.inc.php
index 49f4b59e..4a4899e2 100644
--- a/modules-available/statistics/inc/statisticsfilter.inc.php
+++ b/modules-available/statistics/inc/statisticsfilter.inc.php
@@ -505,6 +505,8 @@ class LocationStatisticsFilter extends EnumStatisticsFilter
 		}
 		if ($recursive) {
 			$argument = array_keys(Location::getRecursiveFlat($argument));
+		} elseif ($argument == 0) {
+			return 'locationid IS ' . ($operator === '!=' ? 'NOT' : '') . ' NULL';
 		}
 		return parent::whereClause($operator, $argument, $args, $joins);
 	}
-- 
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