本文整理匯總了Python中sqlalchemy.types.PickleType方法的典型用法代碼示例。如果您正苦於以下問題:Python types.PickleType方法的具體用法?Python types.PickleType怎麽用?Python types.PickleType使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sqlalchemy.types
的用法示例。
在下文中一共展示了types.PickleType方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_ad_hoc_types
# 需要導入模塊: from sqlalchemy import types [as 別名]
# 或者: from sqlalchemy.types import PickleType [as 別名]
def test_ad_hoc_types(self):
"""test storage of bind processors, result processors
in dialect-wide registry."""
from sqlalchemy.dialects import mysql, postgresql, sqlite
from sqlalchemy import types
eng = engines.testing_engine()
for args in (
(types.Integer,),
(types.String,),
(types.PickleType,),
(types.Enum, "a", "b", "c"),
(sqlite.DATETIME,),
(postgresql.ENUM, "a", "b", "c"),
(types.Interval,),
(postgresql.INTERVAL,),
(mysql.VARCHAR,),
):
@profile_memory()
def go():
type_ = args[0](*args[1:])
bp = type_._cached_bind_processor(eng.dialect)
rp = type_._cached_result_processor(eng.dialect, 0)
bp, rp # strong reference
go()
assert not eng.dialect._type_memos
示例2: define_tables
# 需要導入模塊: from sqlalchemy import types [as 別名]
# 或者: from sqlalchemy.types import PickleType [as 別名]
def define_tables(cls, metadata):
MutableDict = cls._type_fixture()
mutable_pickle = MutableDict.as_mutable(PickleType)
Table(
"foo",
metadata,
Column(
"id", Integer, primary_key=True, test_needs_autoincrement=True
),
Column("data", mutable_pickle, default={}),
)