title: How to do a search using sqlalchemy from chinese character Column?
body: <p>code   </p>
  
  <pre><code>result=Minicomputer.query.filter_by(u'名称'='CC670a').first()
  </code></pre>
  
  <p>error</p>
  
  <pre><code>Traceback (most recent call last):
    File "manage.py", line 15, in &lt;module&gt;
      app = create_app(os.getenv('FLASK_CONFIG') or 'default')
    File "/mnt/hgfs/python/flask/Project/__init__.py", line 34, in create_app
      from .main import main as main_blueprint
    File "/mnt/hgfs/python/flask/Project/main/__init__.py", line 3, in &lt;module&gt;
      from . import views, errors
    File "/mnt/hgfs/python/flask/Project/main/views.py", line 95
      result=Minicomputer.query.filter_by(u'名称'='CC670a').first()
  SyntaxError: keyword can't be an expression
  </code></pre>
  
  <p><strong>minicomputer</strong> is a table using chinese character Column name</p>
  
  <pre><code>engine = create_engine('mysql://root:1qaz2wsx@localhost/chhai?charset=utf8', convert_unicode=True, echo=False)
  Base = declarative_base()
  Base.metadata.reflect(engine)
  db_session = scoped_session(sessionmaker(bind=engine))
  Base.query = db_session.query_property()
  
  class Storage(Base):
  
  __table__ = Base.metadata.tables['storage']
  
  def __repr__(self):
      return '&lt;Storage %r&gt;' % self.Storage_Name
  class Minicomputer(Base):
  
  __table__ = Base.metadata.tables['minicomputer']
  
  def __repr__(self):
      name = u'名称'
      return '&lt;Minicomputer %r&gt;' % self.ID
  </code></pre>