X-Git-Url: https://git.wikimedia.ca/?p=eccc_to_commons.git;a=blobdiff_plain;f=commons_rules.xsd;h=49a50d31976575893aa56c5578143430ac779c09;hp=169dd3e066cdaa320049f1f44c91ff8bc5be48f0;hb=HEAD;hpb=86faa15d147318dbfdabdaf1d04efb8a59ff7051

diff --git a/commons_rules.xsd b/commons_rules.xsd
index 169dd3e..49a50d3 100644
--- a/commons_rules.xsd
+++ b/commons_rules.xsd
@@ -3,7 +3,12 @@
      historical data prior of its import into Wikidata.
 
      All tests done in ECCC's bulkschema.xsd aren't replicated here as we're
-     focusing into pure Wikimedia Commons data quality -->
+     focusing into pure Wikimedia Commons data quality.
+
+     Schema is restrictive on purpose: up to date extreme values are hard coded
+     just like current year. It WILL break starting 2021 so we can make sure
+     someone has checked potential upstream structure change before running
+     Commons data update. -->
 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
 	<!-- Define elements -->
 	<xsd:element name="climatedata">