From 6fa2930573ff862a7f8ae8a11aa8bb7253fddeb7 Mon Sep 17 00:00:00 2001
From: Jonny Park <jonnythebard9@gmail.com>
Date: Fri, 26 Mar 2021 16:14:09 +0900
Subject: Refs #24121 -- Added __repr__() to BaseDatabaseWrapper, JoinPromoter,
 and SQLCompiler.

---
 django/db/models/sql/query.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'django/db/models/sql/query.py')

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 2c5f11cbbf..faca57da56 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -2393,6 +2393,12 @@ class JoinPromoter:
         # inner and/or outer joins.
         self.votes = Counter()
 
+    def __repr__(self):
+        return (
+            f'{self.__class__.__qualname__}(connector={self.connector!r}, '
+            f'num_children={self.num_children!r}, negated={self.negated!r})'
+        )
+
     def add_votes(self, votes):
         """
         Add single vote per item to self.votes. Parameter can be any
-- 
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