add experimental option for enabling forward dependencies

[nominatim.git] / settings / env.defaults

diff --git a/settings/env.defaults b/settings/env.defaults
index 3115f4382aacf582c5a1054e78c03130bde9f00f..8378d7b0826994b828a9df00d0515a1408892dba 100644 (file)
--- a/settings/env.defaults
+++ b/settings/env.defaults
@@ -33,6 +33,15 @@ NOMINATIM_MAX_WORD_FREQUENCY=50000
 # If true, admin level changes on places with many contained children are blocked.
 NOMINATIM_LIMIT_REINDEXING=yes
 
+# When set to 'yes' changes to OSM objects will be propagated to dependent
+# objects. This means that geometries of way/relations are updated when a
+# node on a way or a way in a relation changes.
+# EXPERT ONLY: Use with care. Enabling this option might lead to significantly
+#              more load when updates are applied.
+#              Do not enable this option on an existing database.
+# The default is to not propagate these changes.
+NOMINATIM_UPDATE_FORWARD_DEPENDENCIES=no
+
 # Restrict search languages.
 # Normally Nominatim will include all language variants of name:XX
 # in the search index. Set this to a comma separated list of language