# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1511121643 -3600
# Node ID 469afa02947b0c5134bfd1fdcda380ae09a3e44e
# Parent  f1923a79c93d430cbb6678218befa87d2c28b720
mod_storage_internal: Skip write if no items matched a deletion query

diff -r f1923a79c93d -r 469afa02947b plugins/mod_storage_internal.lua
--- a/plugins/mod_storage_internal.lua	Thu Nov 09 17:19:11 2017 +0100
+++ b/plugins/mod_storage_internal.lua	Sun Nov 19 21:00:43 2017 +0100
@@ -209,6 +209,9 @@
 		end
 	end
 	local count = count_before - #items;
+	if count == 0 then
+		return 0; -- No changes, skip write
+	end
 	local ok, err = datamanager.list_store(username, host, self.store, items);
 	if not ok then return ok, err; end
 	return count;