Fixed #24604 -- Added JSONField to contrib.postgres.

1 files changed, 12 insertions, 2 deletions

diff --git a/tests/postgres_tests/models.py b/tests/postgres_tests/models.py
index aafd529443..329a91c951 100644
--- a/tests/postgres_tests/models.py
+++ b/tests/postgres_tests/models.py
@@ -2,7 +2,7 @@ from django.db import connection, models
 
 from .fields import (
     ArrayField, BigIntegerRangeField, DateRangeField, DateTimeRangeField,
-    FloatRangeField, HStoreField, IntegerRangeField,
+    FloatRangeField, HStoreField, IntegerRangeField, JSONField,
 )
 
 
@@ -52,7 +52,7 @@ class TextFieldModel(models.Model):
     field = models.TextField()
 
 
-# Only create this model for databases which support it
+# Only create this model for postgres >= 9.2
 if connection.vendor == 'postgresql' and connection.pg_version >= 90200:
     class RangesModel(PostgreSQLModel):
         ints = IntegerRangeField(blank=True, null=True)
@@ -66,6 +66,16 @@ else:
         pass
 
 
+# Only create this model for postgres >= 9.4
+if connection.vendor == 'postgresql' and connection.pg_version >= 90400:
+    class JSONModel(models.Model):
+        field = JSONField(blank=True, null=True)
+else:
+    # create an object with this name so we don't have failing imports
+    class JSONModel(object):
+        pass
+
+
 class ArrayFieldSubclass(ArrayField):
     def __init__(self, *args, **kwargs):
         super(ArrayFieldSubclass, self).__init__(models.IntegerField())