import sqlalchemy as sa
from alembic import op

revision = '010'
down_revision = '009'
branch_labels = None
depends_on = None

def upgrade():
    op.add_column('tax_documents', sa.Column('file_directory', sa.String(255), nullable=True), schema='data_center')
    op.create_index('idx_doc_file_directory', 'tax_documents', ['file_directory'], schema='data_center')

def downgrade():
    op.drop_index('idx_doc_file_directory', 'tax_documents', schema='data_center')
    op.drop_column('tax_documents', 'file_directory', schema='data_center')