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-rw-r--r--archaeological_operations/models.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/archaeological_operations/models.py b/archaeological_operations/models.py
index b3e137399..4f180c3d5 100644
--- a/archaeological_operations/models.py
+++ b/archaeological_operations/models.py
@@ -527,6 +527,9 @@ class Operation(ClosedItem, DocumentItem, BaseHistorizedItem, QRCodeItem,
TABLE_COLS = ['code_patriarche', 'year', 'towns_label', 'common_name',
'operation_type', 'start_date', 'excavation_end_date',
'remains']
+ # statistics
+ STATISTIC_MODALITIES = ["year", "operation_type__label",
+ "towns__cached_label"]
# search parameters
BOOL_FIELDS = ['end_date__isnull', 'virtual_operation',