"""Separate v1 and v2 checksums.

Revision ID: 2827d36939e4
Revises: 73669db7e12
Create Date: 2015-11-04 16:29:48.905775

"""

# revision identifiers, used by Alembic.
revision = '2827d36939e4'
down_revision = '5cdc2d819c5'

from alembic import op
import sqlalchemy as sa


def upgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.add_column('image', sa.Column('v1_checksum', sa.String(length=255), nullable=True))
    op.add_column('imagestorage', sa.Column('content_checksum', sa.String(length=255), nullable=True))
    op.create_index('imagestorage_content_checksum', 'imagestorage', ['content_checksum'], unique=False)
    ### end Alembic commands ###


def downgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_index('imagestorage_content_checksum', table_name='imagestorage')
    op.drop_column('imagestorage', 'content_checksum')
    op.drop_column('image', 'v1_checksum')
    ### end Alembic commands ###