Python Table.drop_column Exemples

Exemple #1

Fichier : 009_add_deleted_flag_to_instances.py Projet : pcrews/reddwarf_lite

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')

Exemple #2

Fichier : 009_add_deleted_flag_to_instances.py Projet : riddhi89/reddwarf

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')

Exemple #3

Fichier : 007_add_volume_flavor.py Projet : juicegit/reddwarf

def downgrade(migrate_engine):
    meta = MetaData()
    meta.bind = migrate_engine

    # drop column:
    instances = Table("instances", meta, autoload=True)

    instances.drop_column("flavor_id")
    instances.drop_column("volume_size")

Exemple #4

Fichier : 008_add_instance_fields.py Projet : riddhi89/reddwarf

def downgrade(migrate_engine):
    meta = MetaData()
    meta.bind = migrate_engine

    # drop column:
    instances = Table('instances', meta, autoload=True)

    instances.drop_column('tenant_id')
    instances.drop_column('server_status')

Exemple #5

Fichier : 007_add_volume_flavor.py Projet : tanisdeluna/reddwarf

def downgrade(migrate_engine):
    meta = MetaData()
    meta.bind = migrate_engine

    # drop column:
    instances = Table('instances', meta, autoload=True)

    instances.drop_column('flavor_id')
    instances.drop_column('volume_size')