4 files changed, 6 insertions, 0 deletions
diff --git a/django/db/backends/postgresql/base.py b/django/db/backends/postgresql/base.py
index 192316d7fb..ed911a91da 100644
--- a/django/db/backends/postgresql/base.py
+++ b/django/db/backends/postgresql/base.py
@@ -86,6 +86,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'BigIntegerField': 'bigint',
         'IPAddressField': 'inet',
         'GenericIPAddressField': 'inet',
+        'JSONField': 'jsonb',
         'NullBooleanField': 'boolean',
         'OneToOneField': 'integer',
         'PositiveBigIntegerField': 'bigint',
diff --git a/django/db/backends/postgresql/features.py b/django/db/backends/postgresql/features.py
index 3b4199fa78..00a8009cf2 100644
--- a/django/db/backends/postgresql/features.py
+++ b/django/db/backends/postgresql/features.py
@@ -12,6 +12,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     has_real_datatype = True
     has_native_uuid_field = True
     has_native_duration_field = True
+    has_native_json_field = True
     can_defer_constraint_checks = True
     has_select_for_update = True
     has_select_for_update_nowait = True
diff --git a/django/db/backends/postgresql/introspection.py b/django/db/backends/postgresql/introspection.py
index beec8619cc..dee305cc06 100644
--- a/django/db/backends/postgresql/introspection.py
+++ b/django/db/backends/postgresql/introspection.py
@@ -26,6 +26,7 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         1266: 'TimeField',
         1700: 'DecimalField',
         2950: 'UUIDField',
+        3802: 'JSONField',
     }
 
     ignored_tables = []
diff --git a/django/db/backends/postgresql/operations.py b/django/db/backends/postgresql/operations.py
index 70880d4179..c67062a4a7 100644
--- a/django/db/backends/postgresql/operations.py
+++ b/django/db/backends/postgresql/operations.py
@@ -74,6 +74,9 @@ class DatabaseOperations(BaseDatabaseOperations):
     def time_trunc_sql(self, lookup_type, field_name):
         return "DATE_TRUNC('%s', %s)::time" % (lookup_type, field_name)
 
+    def json_cast_text_sql(self, field_name):
+        return '(%s)::text' % field_name
+
     def deferrable_sql(self):
         return " DEFERRABLE INITIALLY DEFERRED"