本文整理汇总了Python中trove.db.sqlalchemy.migrate_repo.schema.Table类的典型用法代码示例。如果您正苦于以下问题：Python Table类的具体用法？Python Table怎么用？Python Table使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Table类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
instances = Table('instances', meta, autoload=True)
instances.create_column(
Column(COLUMN_NAME, String(36), ForeignKey('instances.id')),
nullable=True)示例2: downgrade
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
modules = Table('modules', meta, autoload=True)
modules.drop_column(COLUMN_NAME_1)
modules.drop_column(COLUMN_NAME_2)
modules.drop_column(COLUMN_NAME_3)示例3: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# add column:
backups = Table('backups', meta, autoload=True)
backups.create_column(Column('parent_id', String(36), nullable=True))示例4: upgrade
def upgrade(migrate_engine):
meta = MetaData(bind=migrate_engine)
configurations = Table('configurations', meta, autoload=True)
created = Column('created', DateTime())
updated = Column('updated', DateTime())
configurations.create_column(created)
configurations.create_column(updated)示例5: downgrade
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# drop column:
backups = Table('backups', meta, autoload=True)
backups.drop_column('parent_id')示例6: upgrade
def upgrade(migrate_engine):
meta.bind = migrate_engine
create_tables([configurations])
create_tables([configuration_parameters])
instances = Table('instances', meta, autoload=True)
instances.create_column(Column('configuration_id', String(36),
ForeignKey("configurations.id")))示例7: upgrade
def upgrade(migrate_engine):
meta.bind = migrate_engine
# Load 'configurations' table to MetaData.
Table('configurations', meta, autoload=True, autoload_with=migrate_engine)
instances = Table('clusters', meta, autoload=True)
instances.create_column(Column('configuration_id', String(36),
ForeignKey("configurations.id")))示例8: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
instances = Table('instances', meta, autoload=True)
service_type = Column('service_type', String(36))
instances.create_column(service_type)
instances.update().values({'service_type': 'mysql'}).execute()示例9: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# add column:
instances = Table('instances', meta, autoload=True)
instances.create_column(Column('tenant_id', String(36), nullable=True))
instances.create_column(Column('server_status', String(64)))示例10: upgrade
def upgrade(migrate_engine):
meta.bind = migrate_engine
create_tables([datastores, datastore_versions])
instances = Table('instances', meta, autoload=True)
datastore_version_id = Column('datastore_version_id', String(36),
ForeignKey('datastore_versions.id'))
instances.create_column(datastore_version_id)
instances.drop_column('service_type')示例11: downgrade
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# drop column:
instances = Table('instances', meta, autoload=True)
instances.drop_column('deleted')
instances.drop_column('deleted_at')示例12: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# add column:
instances = Table('instances', meta, autoload=True)
instances.create_column(Column('deleted', Boolean()))
instances.create_column(Column('deleted_at', DateTime()))示例13: upgrade
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
backups = Table('backups', meta, autoload=True)
Table('datastore_versions', meta, autoload=True)
datastore_version_id = Column('datastore_version_id', String(36),
ForeignKey('datastore_versions.id'))
backups.create_column(datastore_version_id)示例14: downgrade
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# drop column:
backups = Table('backups', meta, autoload=True)
migrate_engine.execute('DROP INDEX backups_parent_id_idx ON backups')
migrate_engine.execute('DROP INDEX backups_deleted_idx ON backups')
backups.drop_column('parent_id')示例15: upgrade
def upgrade(migrate_engine):
meta.bind = migrate_engine
instance_vip = Table('instance_vip', meta, autoload=True)
instance_vip.create_column(Column('virtual_instance_id', String(36)))
def update_instance_vips():
update(table = instance_vip, whereclause="deleted = 0",
values=dict(virtual_instance_id = instance_vip.c.instance_id)).execute()
update_instance_vips()