[2.1.x] Fixed #30013 -- Fixed DatabaseOperations.last_executed_query() with mysqlclient 1.3.14+.

Backport of 284b3221a2 from master.

django/db/backends/mysql/operations.py

@@ -132,10 +132,10 @@ class DatabaseOperations(BaseDatabaseOperations):
         return [(None, ("NULL", [], False))]
 
     def last_executed_query(self, cursor, sql, params):
-        # With MySQLdb, cursor objects have an (undocumented) "_last_executed"
+        # With MySQLdb, cursor objects have an (undocumented) "_executed"
         # attribute where the exact query sent to the database is saved.
         # See MySQLdb/cursors.py in the source distribution.
-        return force_text(getattr(cursor, '_last_executed', None), errors='replace')
+        return force_text(getattr(cursor, '_executed', None), errors='replace')
 
     def no_limit_value(self):
         # 2**64 - 1, as recommended by the MySQL documentation

django/db/backends/oracle/operations.py

@@ -254,7 +254,7 @@ END;
         # https://cx-oracle.readthedocs.io/en/latest/cursor.html#Cursor.statement
         # The DB API definition does not define this attribute.
         statement = cursor.statement
-        # Unlike Psycopg's `query` and MySQLdb`'s `_last_executed`, CxOracle's
+        # Unlike Psycopg's `query` and MySQLdb`'s `_executed`, CxOracle's
         # `statement` doesn't contain the query parameters. refs #20010.
         return super().last_executed_query(cursor, statement, params)
 

docs/releases/2.1.5.txt

@@ -10,4 +10,4 @@ Django 2.1.5 fixes several bugs in 2.1.4.
 Bugfixes
 ========
 
-* ...
+* Fixed compatibility with mysqlclient 1.3.14 (:ticket:`30013`).