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-rw-r--r--django/db/backends/sqlite3/base.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 7552956cd9..6a19236c48 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -231,6 +231,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
conn.create_function('SHA256', 1, none_guard(lambda x: hashlib.sha256(x.encode()).hexdigest()))
conn.create_function('SHA384', 1, none_guard(lambda x: hashlib.sha384(x.encode()).hexdigest()))
conn.create_function('SHA512', 1, none_guard(lambda x: hashlib.sha512(x.encode()).hexdigest()))
+ conn.create_function('SIGN', 1, none_guard(lambda x: (x > 0) - (x < 0)))
conn.create_function('SIN', 1, none_guard(math.sin))
conn.create_function('SQRT', 1, none_guard(math.sqrt))
conn.create_function('TAN', 1, none_guard(math.tan))