text: """empty message
  
  Revision ID: c659370cdf42
  Revises: None
  Create Date: 2016-11-10 16:54:26.039687
  
  """
  
  # revision identifiers, used by Alembic.
  revision = 'c659370cdf42'
  down_revision = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table('billing',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('cost', sa.Numeric(), nullable=True),
      sa.Column('project', sa.Text(), nullable=True),
      sa.Column('start_date', sa.DateTime(), nullable=True),
      sa.Column('end_date', sa.DateTime(), nullable=True),
      sa.Column('created_date', sa.DateTime(), nullable=True),
      sa.Column('closed_out', sa.Boolean(), nullable=False),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('project', 'start_date', name='unique_prj_start')
      )
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('billing')
      ### end Alembic commands ###
  