pip install alembic 初始化Alembic alembic init alembic 配置Alembic 编辑alembic.ini文件,配置数据库连接信息 编辑alembic/env.py文件,配置目标元数据 生成迁移脚本 alembic revision --autogenerate -m "initial migration" 应用迁移 alembic upgrade head 使用Flyway # 下载Flyway wget -qO- https://repo1.maven.o...
op.create_foreign_key('fk_tag_resource_id','tags','resources', ['resource_id'], ['resource_id'], ondelete='CASCADE')# ### end Alembic commands ### 开发者ID:RiotGames,项目名称:cloud-inquisitor,代码行数:25,代码来源:e445d703e60f_removing_partitions_adding_foreign_keys.py 示例7: reload_...
defdowngrade():### commands auto generated by Alembic - please adjust! ###op.alter_column('statistic_visitor','referred', existing_type=mysql.VARCHAR(collation=u'utf8_unicode_ci', length=128), nullable=False, existing_server_default=sa.text(u"''")) op.drop_column('machine_statistic','v...
import mssql File "C:\Users\chenw\anaconda3\envs\superset_demo\lib\site-packages\alembic\ddl\mssql.py", line 17, in <module> from .base import AddColumn File "C:\Users\chenw\anaconda3\envs\superset_demo\lib\site-packages\alembic\ddl\base.py", line 16, in <module> from ..util.s...
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Namespace/Package: alembicop Method/Function: drop_column 导入包: alembicop 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 downgrade(): op.drop_constraint( 'fk_environments_zone_id_zones', 'environments', type_='foreignkey' ) op.drop_column('environments', '...
python3-alembic (>= 0.9.6) lightweight database migration tool for SQLAlchemy - Python module python3-babel (>= 2.3.4) tools for internationalizing Python applications - Python 3.x python3-barbicanclient (>= 5.0.0) OpenStack Key Management API client - Python 3.x ...
:: from alembic import op from postgresql_audit import rename_table def upgrade(): op.rename_table('article', 'article_v2') rename_table(op, 'article', 'article_v2') :param conn: An object that is able to execute SQL (either SQLAlchemy Connection, Engine or Alembic Operations object) ...
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