"""make resource_key nullable

Revision ID: 31288f79df53
Revises: 214350b6a8b1
Create Date: 2015-03-23 14:34:04.816295

"""

# revision identifiers, used by Alembic.
revision = '31288f79df53'
down_revision = '214350b6a8b1'

from alembic import op
import sqlalchemy as sa

def upgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('repositorybuild', 'resource_key',
               existing_type=sa.String(length=255),
               nullable=True)
    ### end Alembic commands ###


def downgrade(tables):
    ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('repositorybuild', 'resource_key',
               existing_type=sa.String(length=255),
               nullable=False)
    ### end Alembic commands ###