text: """empty message
  
  Revision ID: 502c6969c42f
  Revises: 351dee4bd117
  Create Date: 2019-11-19 19:44:28.897603
  
  """
  from alembic import op
  import sqlalchemy as sa
  from sqlalchemy.dialects import postgresql
  
  # revision identifiers, used by Alembic.
  revision = '502c6969c42f'
  down_revision = '351dee4bd117'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      op.add_column('vacancy', sa.Column('date_processed', sa.DateTime(), nullable=True))
      op.drop_column('vacancy', 'date_sent')
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('vacancy', sa.Column('date_sent', postgresql.TIMESTAMP(), autoincrement=False, nullable=True))
      op.drop_column('vacancy', 'date_processed')