content: """Add num_outputs to run step [8a64fbfecda0].
  
  Revision ID: 8a64fbfecda0
  Revises: 5330ba58bf20
  Create Date: 2022-11-08 16:20:35.241562
  
  """
  
  import sqlalchemy as sa
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = "8a64fbfecda0"
  down_revision = "5330ba58bf20"
  branch_labels = None
  depends_on = None
  
  
  def upgrade() -> None:
      """Upgrade database schema and/or data, creating a new revision."""
      # ### commands auto generated by Alembic - please adjust! ###
      with op.batch_alter_table("pipeline_run", schema=None) as batch_op:
          batch_op.alter_column(
              "num_steps", existing_type=sa.Integer(), nullable=True
          )
  
      with op.batch_alter_table("step_run", schema=None) as batch_op:
          batch_op.add_column(
              sa.Column("num_outputs", sa.Integer(), nullable=True)
          )
  
      # ### end Alembic commands ###
  
  
  def downgrade() -> None:
      """Downgrade database schema and/or data back to the previous revision."""
      # ### commands auto generated by Alembic - please adjust! ###
      with op.batch_alter_table("step_run", schema=None) as batch_op:
          batch_op.drop_column("num_outputs")
  
      with op.batch_alter_table("pipeline_run", schema=None) as batch_op:
          batch_op.alter_column(
              "num_steps", existing_type=sa.Integer(), nullable=False
          )
  
      # ### end Alembic commands ###
  