Add introspection support for BinaryField

django/db/backends/oracle/introspection.py

@@ -7,6 +7,7 @@ foreign_key_re = re.compile(r"\sCONSTRAINT `[^`]*` FOREIGN KEY \(`([^`]*)`\) REF
 class DatabaseIntrospection(BaseDatabaseIntrospection):
     # Maps type objects to Django Field types.
     data_types_reverse = {
+        cx_Oracle.BLOB: 'BinaryField',
         cx_Oracle.CLOB: 'TextField',
         cx_Oracle.DATETIME: 'DateField',
         cx_Oracle.FIXED_CHAR: 'CharField',

django/db/backends/postgresql_psycopg2/introspection.py

@@ -7,6 +7,7 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
     # Maps type codes to Django Field types.
     data_types_reverse = {
         16: 'BooleanField',
+        17: 'BinaryField',
         20: 'BigIntegerField',
         21: 'SmallIntegerField',
         23: 'IntegerField',

django/db/backends/sqlite3/introspection.py

@@ -30,6 +30,7 @@ class FlexibleFieldLookupDict(object):
         'real': 'FloatField',
         'text': 'TextField',
         'char': 'CharField',
+        'blob': 'BinaryField',
         'date': 'DateField',
         'datetime': 'DateTimeField',
         'time': 'TimeField',

tests/introspection/models.py

@@ -10,6 +10,7 @@ class Reporter(models.Model):
     last_name = models.CharField(max_length=30)
     email = models.EmailField()
     facebook_user_id = models.BigIntegerField(null=True)
+    raw_data = models.BinaryField(null=True)
 
     class Meta:
         unique_together = ('first_name', 'last_name')

tests/introspection/tests.py

@@ -60,9 +60,13 @@ class IntrospectionTests(TestCase):
     def test_get_table_description_types(self):
         cursor = connection.cursor()
         desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
+        # The MySQL exception is due to the cursor.description returning the same constant for
+        # text and blob columns. TODO: use information_schema database to retrieve the proper
+        # field type on MySQL
         self.assertEqual(
             [datatype(r[1], r) for r in desc],
-            ['IntegerField', 'CharField', 'CharField', 'CharField', 'BigIntegerField']
+            ['IntegerField', 'CharField', 'CharField', 'CharField',
+             'BigIntegerField', 'BinaryField' if connection.vendor != 'mysql' else 'TextField']
         )
 
     # The following test fails on Oracle due to #17202 (can't correctly
@@ -85,7 +89,7 @@ class IntrospectionTests(TestCase):
         desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)
         self.assertEqual(
             [r[6] for r in desc],
-            [False, False, False, False, True]
+            [False, False, False, False, True, True]
         )
 
     # Regression test for #9991 - 'real' types in postgres