Fixed #34967 -- Fixed queryset crash when grouping by constants on SQLite < 3.39.

On SQLite < 3.39, this forces a GROUP BY clause with a HAVING clause
when no grouping is specified.

Co-authored-by: Simon Charette <charette.s@gmail.com>

3 files changed, 14 insertions, 0 deletions

diff --git a/django/db/backends/base/operations.py b/django/db/backends/base/operations.py
index b1d818d90e..d5a40eb46e 100644
--- a/django/db/backends/base/operations.py
+++ b/django/db/backends/base/operations.py
@@ -231,6 +231,13 @@ class BaseDatabaseOperations:
         )
         return "%s"
 
+    def force_group_by(self):
+        """
+        Return a GROUP BY clause to use with a HAVING clause when no grouping
+        is specified.
+        """
+        return []
+
     def force_no_ordering(self):
         """
         Return a list used in the "ORDER BY" clause to force no ordering at
diff --git a/django/db/backends/sqlite3/operations.py b/django/db/backends/sqlite3/operations.py
index 85ad804348..dfc9857b84 100644
--- a/django/db/backends/sqlite3/operations.py
+++ b/django/db/backends/sqlite3/operations.py
@@ -14,6 +14,8 @@ from django.utils import timezone
 from django.utils.dateparse import parse_date, parse_datetime, parse_time
 from django.utils.functional import cached_property
 
+from .base import Database
+
 
 class DatabaseOperations(BaseDatabaseOperations):
     cast_char_field_without_max_length = "text"
@@ -439,3 +441,6 @@ class DatabaseOperations(BaseDatabaseOperations):
             update_fields,
             unique_fields,
         )
+
+    def force_group_by(self):
+        return ["GROUP BY TRUE"] if Database.sqlite_version_info < (3, 39) else []
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index b28dc925ba..7cec040cee 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -877,6 +877,8 @@ class SQLCompiler:
                     if self._meta_ordering:
                         order_by = None
                 if having:
+                    if not grouping:
+                        result.extend(self.connection.ops.force_group_by())
                     result.append("HAVING %s" % having)
                     params.extend(h_params)