一、SQLAlchemy-Utils 由于sqlalchemy中没有提供choice方法,所以借助SQLAlchemy-Utils组件提供的choice方法 importdatetimefromsqlalchemyimportcreate_enginefromsqlalchemy.ext.declarativeimportdeclarative_basefromsqlalchemyimportColumn, Integer, String, Text, ForeignKey, DateTime, UniqueConstraint, Indexfromsqlalchemy.orm...
SQLAlchemy-Utils官方文档 一、安装 pip install sqlalchemy-utils 二、Data types ArrowType ChoiceType classUser(Base):TYPES=[('admin','Admin'),('regular-user','Regular user')]__tablename__='user'id=sa.Column(sa.Integer,primary_key=True)name=sa.Column(sa.Unicode(255))type=sa.Column(Choice...
engine = create_engine(settings.SQLALCHEMY_DATABASE_URI)ifsettings.DROP_DB_ON_RESTARTanddatabase_exists(engine.url):print"Dropping old database... (because DROP_DB_ON_RESTART=True)"drop_database(engine.url)ifnotdatabase_exists(engine.url):print"Creating databases..."create_database(engine.url...
SQLAlchemy操作数据库建表时,无法像Django一样提供choice方法,我们开头导入SQLAlchemy-Utils来为我们提供这个功能 pip3 install sqlalchemy-utils fromsqlalchemy_utilsimportChoiceType Base=declarative_base()classXuan(Base):__tablename__='xuan'types_choices=( (1,'欧美'), (2,'日韩'), (3,'国产'), ) ...
sqlalchemy_utils tests .editorconfig .gitignore .isort.cfg .pre-commit-config.yaml .readthedocs.yaml CHANGES.rst LICENSE MANIFEST.in README.rst ROADMAP.rst conftest.py setup.cfg setup.py tox.ini README License SQLAlchemy-Utils Various utility functions, new data types and helpers for SQLAlchemy...
# 需要导入模块: import sqlalchemy_utils [as 别名]# 或者: from sqlalchemy_utils importUUIDType[as 别名]defid(cls):tablename_compact = cls.__tablename__iftablename_compact.endswith("_history"): tablename_compact = tablename_compact[:-6]returnsqlalchemy.Column( ...
Namespace/Package: sqlalchemy_utils Method/Function: has_index 导入包: sqlalchemy_utils 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 def test_table_without_primary_key(self): article = sa.Table( 'article', sa.MetaData(), sa.Column('name', sa.String) ) asser...
长度不是ChoiceType的有效参数，alembic将其作为参数传递是错误的。所以你必须导入一个Enum类来定义你的...
SQLALCHEMY采用adjacency list pattern来表示类的自引用。 例如，对于类Node自引用： class Node(Base): ...
kvesteri/sqlalchemy-utils 版本发布时间: 2023-04-13 18:41:10 kvesteri/sqlalchemy-utils最新发布版本:0.42.2(2024-03-22 23:24:26)Support psycopg3 for create_database() and delete_database(). (#701, pull request by LerikP)相关地址:原始地址 下载(tar) 下载(zip) 查看:2023-04-13发行的...