Fixed #26034 -- Fixed incorrect index handling on PostgreSQL on Char/TextField with unique=True and db_index=True.

Thanks Simon Charette for review.

1 files changed, 2 insertions, 2 deletions

diff --git a/django/db/backends/postgresql/schema.py b/django/db/backends/postgresql/schema.py
index 42d01f002d..cd9e6cfd5e 100644
--- a/django/db/backends/postgresql/schema.py
+++ b/django/db/backends/postgresql/schema.py
@@ -111,13 +111,13 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
             new_db_params, strict,
         )
         # Added an index? Create any PostgreSQL-specific indexes.
-        if ((not old_field.db_index and new_field.db_index) or (not old_field.unique and new_field.unique)):
+        if not old_field.db_index and not old_field.unique and (new_field.db_index or new_field.unique):
             like_index_statement = self._create_like_index_sql(model, new_field)
             if like_index_statement is not None:
                 self.execute(like_index_statement)
 
         # Removed an index? Drop any PostgreSQL-specific indexes.
-        if ((not new_field.db_index and old_field.db_index) or (not new_field.unique and old_field.unique)):
+        if (old_field.db_index or old_field.unique) and not (new_field.db_index or new_field.unique):
             index_to_remove = self._create_index_name(model, [old_field.column], suffix='_like')
             index_names = self._constraint_names(model, [old_field.column], index=True)
             for index_name in index_names: