"""Remove DerivedImageStorage table

Revision ID: 1849ca8199fc
Revises: 5a2445ffe21b
Create Date: 2015-11-25 11:45:32.928533

"""

# revision identifiers, used by Alembic.
revision = '1849ca8199fc'
down_revision = '5a2445ffe21b'

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

def upgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('derivedimagestorage')
    ### end Alembic commands ###


def downgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.create_table('derivedimagestorage',
    sa.Column('id', mysql.INTEGER(display_width=11), nullable=False),
    sa.Column('source_id', mysql.INTEGER(display_width=11), autoincrement=False, nullable=True),
    sa.Column('derivative_id', mysql.INTEGER(display_width=11), autoincrement=False, nullable=False),
    sa.Column('transformation_id', mysql.INTEGER(display_width=11), autoincrement=False, nullable=False),
    sa.ForeignKeyConstraint(['derivative_id'], [u'imagestorage.id'], name=u'fk_derivedimagestorage_derivative_id_imagestorage'),
    sa.ForeignKeyConstraint(['source_id'], [u'imagestorage.id'], name=u'fk_derivedimagestorage_source_id_imagestorage'),
    sa.ForeignKeyConstraint(['transformation_id'], [u'imagestoragetransformation.id'], name=u'fk_dis_transformation_id_ist'),
    sa.PrimaryKeyConstraint('id'),
    mysql_default_charset=u'latin1',
    mysql_engine=u'InnoDB'
    )
    ### end Alembic commands ###