From: Brian Quinion <brian.quinion@mapquest.com>
Date: Fri, 13 Sep 2013 13:24:16 +0000 (+0100)
Subject: Limit wordset combination explosion to 120 variants (1x2x3x4x5)
X-Git-Tag: v2.2.0~27
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/44262c1d4c2c719394eaca6b1717e90d9c13b195

Limit wordset combination explosion to 120 variants (1x2x3x4x5)
---

diff --git a/lib/Geocode.php b/lib/Geocode.php
index 4b5b4e3d..3e5c7be1 100644
--- a/lib/Geocode.php
+++ b/lib/Geocode.php
@@ -631,8 +631,11 @@
 						if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 						else $sPhraseType = '';
 
-						foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
+						foreach($aPhrases[$iPhrase]['wordsets'] as $iWordSet => $aWordset)
 						{
+							// Too many permutations - too expensive
+							if ($iWordSet > 120) break;
+
 							$aWordsetSearches = $aSearches;
 
 							// Add all words from this wordset