Fixed #30060 -- Moved SQL generation for indexes and constraints to SchemaEditor.

1 files changed, 2 insertions, 2 deletions

diff --git a/django/db/backends/postgresql/schema.py b/django/db/backends/postgresql/schema.py
index dc9959ab4f..9eecaac19a 100644
--- a/django/db/backends/postgresql/schema.py
+++ b/django/db/backends/postgresql/schema.py
@@ -114,7 +114,7 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
             (old_type.startswith('citext') and not new_type.startswith('citext'))
         ):
             index_name = self._create_index_name(model._meta.db_table, [old_field.column], suffix='_like')
-            self.execute(self._delete_constraint_sql(self.sql_delete_index, model, index_name))
+            self.execute(self._delete_index_sql(model, index_name))
 
         super()._alter_field(
             model, old_field, new_field, old_type, new_type, old_db_params,
@@ -130,7 +130,7 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
         # Removed an index? Drop any PostgreSQL-specific indexes.
         if old_field.unique and not (new_field.db_index or new_field.unique):
             index_to_remove = self._create_index_name(model._meta.db_table, [old_field.column], suffix='_like')
-            self.execute(self._delete_constraint_sql(self.sql_delete_index, model, index_to_remove))
+            self.execute(self._delete_index_sql(model, index_to_remove))
 
     def _index_columns(self, table, columns, col_suffixes, opclasses):
         if opclasses: