Fixed #225, fix DB-API wrapper for binary type

gino/dialects/base.py

@@ -13,6 +13,11 @@ class BaseDBAPI:
     paramstyle = 'numeric'
     Error = Exception
 
+    # noinspection PyPep8Naming
+    @staticmethod
+    def Binary(x):
+        return x
+
 
 class DBAPICursor:
     def execute(self, statement, parameters):

tests/models.py

@@ -62,6 +62,7 @@ class Relation(db.Model):
     __tablename__ = 'gino_relation'
 
     name = db.Column(db.Text(), primary_key=True)
+    logo = db.Column(db.LargeBinary())
 
 
 def qsize(engine):

tests/test_dialect.py

@@ -0,0 +1,9 @@
+import pytest
+from .models import Relation
+
+pytestmark = pytest.mark.asyncio
+
+
+async def test_225_large_binary(bind):
+    c = await Relation.create(name='xx', logo=b'SVG LOGO')
+    assert c.logo == b'SVG LOGO'