Fixed #27098 -- Deprecated DatabaseIntrospection.get_indexes

Thanks Akshesh <aksheshdoshi@gmail.com> for help with the PostgreSQL query.
Thanks Tim Graham for the review.

1 files changed, 6 insertions, 0 deletions

diff --git a/django/db/backends/postgresql/introspection.py b/django/db/backends/postgresql/introspection.py
index 8a8465d443..29e11499a9 100644
--- a/django/db/backends/postgresql/introspection.py
+++ b/django/db/backends/postgresql/introspection.py
@@ -1,10 +1,12 @@
 from __future__ import unicode_literals
 
+import warnings
 from collections import namedtuple
 
 from django.db.backends.base.introspection import (
     BaseDatabaseIntrospection, FieldInfo, TableInfo,
 )
+from django.utils.deprecation import RemovedInDjango21Warning
 from django.utils.encoding import force_text
 
 FieldInfo = namedtuple('FieldInfo', FieldInfo._fields + ('default',))
@@ -124,6 +126,10 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         return key_columns
 
     def get_indexes(self, cursor, table_name):
+        warnings.warn(
+            "get_indexes() is deprecated in favor of get_constraints().",
+            RemovedInDjango21Warning, stacklevel=2
+        )
         # This query retrieves each index on the given table, including the
         # first associated field name
         cursor.execute(self._get_indexes_query, [table_name])