From ab569c1e12672a2d54a51738863b37d2261de5f5 Mon Sep 17 00:00:00 2001 From: Alexandre Flament Date: Sat, 25 Sep 2021 11:16:22 +0200 Subject: [PATCH] [fix] openstreetmap engine: optmizer SPARQL query add hint:Query hint:optimizer "None". to the SPARQL query to keep the response time small. It tells the optimizer to follow the path from ?item to the different property values instead of the other way around. See https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/query_optimization#Property_paths --- searx/engines/openstreetmap.py | 1 + 1 file changed, 1 insertion(+) diff --git a/searx/engines/openstreetmap.py b/searx/engines/openstreetmap.py index 07d536725..c6211a004 100644 --- a/searx/engines/openstreetmap.py +++ b/searx/engines/openstreetmap.py @@ -42,6 +42,7 @@ route_re = re.compile('(?:from )?(.+) to (.+)') wikidata_image_sparql = """ select ?item ?itemLabel ?image ?sign ?symbol ?website ?wikipediaName where { + hint:Query hint:optimizer "None". values ?item { %WIKIDATA_IDS% } OPTIONAL { ?item wdt:P18|wdt:P8517|wdt:P4291|wdt:P5252|wdt:P3451|wdt:P4640|wdt:P5775|wdt:P2716|wdt:P1801|wdt:P4896 ?image } OPTIONAL { ?item wdt:P1766|wdt:P8505|wdt:P8667 ?sign }