Refs #27064 -- Added RenameIndex migration operation.

2 files changed, 22 insertions, 0 deletions

diff --git a/django/db/backends/base/features.py b/django/db/backends/base/features.py
index a96dbe1b08..68cad9fef2 100644
--- a/django/db/backends/base/features.py
+++ b/django/db/backends/base/features.py
@@ -176,6 +176,9 @@ class BaseDatabaseFeatures:
     # Can it create foreign key constraints inline when adding columns?
     can_create_inline_fk = True
 
+    # Can an index be renamed?
+    can_rename_index = False
+
     # Does it automatically index foreign keys?
     indexes_foreign_keys = True
 
diff --git a/django/db/backends/base/schema.py b/django/db/backends/base/schema.py
index 468ab42490..f2ca8c8df9 100644
--- a/django/db/backends/base/schema.py
+++ b/django/db/backends/base/schema.py
@@ -131,6 +131,7 @@ class BaseDatabaseSchemaEditor:
         "CREATE UNIQUE INDEX %(name)s ON %(table)s "
         "(%(columns)s)%(include)s%(condition)s"
     )
+    sql_rename_index = "ALTER INDEX %(old_name)s RENAME TO %(new_name)s"
     sql_delete_index = "DROP INDEX %(name)s"
 
     sql_create_pk = (
@@ -492,6 +493,16 @@ class BaseDatabaseSchemaEditor:
             return None
         self.execute(index.remove_sql(model, self))
 
+    def rename_index(self, model, old_index, new_index):
+        if self.connection.features.can_rename_index:
+            self.execute(
+                self._rename_index_sql(model, old_index.name, new_index.name),
+                params=None,
+            )
+        else:
+            self.remove_index(model, old_index)
+            self.add_index(model, new_index)
+
     def add_constraint(self, model, constraint):
         """Add a constraint to a model."""
         sql = constraint.create_sql(model, self)
@@ -1361,6 +1372,14 @@ class BaseDatabaseSchemaEditor:
             name=self.quote_name(name),
         )
 
+    def _rename_index_sql(self, model, old_name, new_name):
+        return Statement(
+            self.sql_rename_index,
+            table=Table(model._meta.db_table, self.quote_name),
+            old_name=self.quote_name(old_name),
+            new_name=self.quote_name(new_name),
+        )
+
     def _index_columns(self, table, columns, col_suffixes, opclasses):
         return Columns(table, columns, self.quote_name, col_suffixes=col_suffixes)