text: """empty message
  
  Revision ID: 51fe1cb8479e
  Revises: ccf480d35642
  Create Date: 2018-10-08 16:28:07.456565
  
  """
  
  # revision identifiers, used by Alembic.
  revision = "51fe1cb8479e"
  down_revision = "ccf480d35642"
  
  import sqlalchemy as sa
  from alembic import op
  from sqlalchemy.dialects import postgresql
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
  
      op.add_column(
          "distributed_query_task", sa.Column("priority", sa.Integer(), nullable=True)
      )
  
      # ### end Alembic commands ###
  
  
  def downgrade():
  
      op.drop_column("distributed_query_task", "priority")
  