Changed snapshot logic to apply with dbt core. Possibly fixing an unidentified bug :-)

Author: mikaelene

dbt/include/sqlserver/macros/materializations/snapshot/strategies.sql

@@ -22,7 +22,11 @@
         {% for col in check_cols %}
             {{ snapshotted_rel }}.{{ col }} != {{ current_rel }}.{{ col }}
             or
-            ({{ snapshotted_rel }}.{{ col }} is null) and not ({{ current_rel }}.{{ col }} is null)
+            (
+                (({{ snapshotted_rel }}.{{ col }} is null) and not ({{ current_rel }}.{{ col }} is null))
+                or
+                ((not {{ snapshotted_rel }}.{{ col }} is null) and ({{ current_rel }}.{{ col }} is null))
+            )
             {%- if not loop.last %} or {% endif %}
 
         {% endfor %}