Fixed #19360 -- Raised an explicit exception for aggregates on date/time fields in sqlite3

Thanks lsaffre for the report and Chris Medrela for the initial
patch.

1 files changed, 8 insertions, 0 deletions

diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt
index 2bbd895fd4..71049703c9 100644
--- a/docs/ref/models/querysets.txt
+++ b/docs/ref/models/querysets.txt
@@ -2188,6 +2188,14 @@ Django provides the following aggregation functions in the
 aggregate functions, see
 :doc:`the topic guide on aggregation </topics/db/aggregation>`.
 
+.. warning::
+
+    SQLite can't handle aggregation on date/time fields out of the box.
+    This is because there are no native date/time fields in SQLite and Django
+    currently emulates these features using a text field. Attempts to use
+    aggregation on date/time fields in SQLite will raise
+    ``NotImplementedError``.
+
 Avg
 ~~~