period of cover cannot be negative

frePPLe · Jan 20, 2025 · cbe59b5 · cbe59b5
1 parent 8fad086
commit cbe59b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/freppledb/output/views/buffer.py b/freppledb/output/views/buffer.py
@@ -960,7 +960,7 @@ def query(reportclass, request, basequery, sortsql="1 asc"):
                   select case
                     when periodofcover = 999 * 24 * 3600
                       then '999 days'::interval
-                    else date_trunc('day', least( periodofcover * '1 sec'::interval + flowdate - greatest(d.startdate,arguments.report_currentdate), '999 days'::interval))
+                    else greatest (interval '0 day', date_trunc('day', least( periodofcover * '1 sec'::interval + flowdate - greatest(d.startdate,arguments.report_currentdate), '999 days'::interval)))
                     end
                   from operationplanmaterial
                   where flowdate < greatest(d.startdate,arguments.report_currentdate)