def get_image_properties_table(meta):
"""
Returns the Table object for the image_properties table that
corresponds to the image_properties table definition of this version.
"""
(get_images_table,) = from_migration_import(
'004_add_checksum', ['get_images_table'])
images = get_images_table(meta)
image_properties = Table('image_properties', meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('image_id', Integer(), ForeignKey('images.id'), nullable=False,
index=True),
Column('name', String(255), nullable=False),
Column('value', Text()),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
Column('deleted_at', DateTime()),
Column('deleted', Boolean(), nullable=False, default=False,
index=True),
UniqueConstraint('image_id', 'name'),
mysql_engine='InnoDB',
useexisting=True)
return image_properties
def define_image_properties_table(meta):
(define_images_table,) = from_migration_import(
'001_add_images_table', ['define_images_table'])
images = define_images_table(meta)
image_properties = Table('image_properties', meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('image_id', Integer(), ForeignKey('images.id'), nullable=False,
index=True),
Column('key', String(255), nullable=False),
Column('value', Text()),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
Column('deleted_at', DateTime()),
Column('deleted', Boolean(), nullable=False, default=False,
index=True),
UniqueConstraint('image_id', 'key'),
mysql_engine='InnoDB',
extend_existing=True)
Index('ix_image_properties_image_id_key', image_properties.c.image_id,
image_properties.c.key)
return image_properties
def get_images_table(meta):
"""
Returns the Table object for the images table that
corresponds to the images table definition of this version.
"""
images = Table('images',
meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('name', String(255)),
Column('disk_format', String(20)),
Column('container_format', String(20)),
Column('size', Integer()),
Column('status', String(30), nullable=False),
Column('is_public',
Boolean(),
nullable=False,
default=False,
index=True),
Column('location', Text()),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
Column('deleted_at', DateTime()),
Column('deleted',
Boolean(),
nullable=False,
default=False,
index=True),
Column('checksum', String(32)),
mysql_engine='InnoDB',
useexisting=True)
return images
def define_images_table(meta):
images = Table('images',
meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('name', String(255)),
Column('type', String(30)),
Column('size', Integer()),
Column('status', String(30), nullable=False),
Column('is_public',
Boolean(),
nullable=False,
default=False,
index=True),
Column('location', Text()),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
Column('deleted_at', DateTime()),
Column('deleted',
Boolean(),
nullable=False,
default=False,
index=True),
mysql_engine='InnoDB',
extend_existing=True)
return images