content: """add stack description [f76a368a25a5].
  
  Revision ID: f76a368a25a5
  Revises: f1d723fd723b
  Create Date: 2025-02-22 19:03:32.568076
  
  """
  
  import sqlalchemy as sa
  import sqlmodel
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = "f76a368a25a5"
  down_revision = "f1d723fd723b"
  branch_labels = None
  depends_on = None
  
  
  def upgrade() -> None:
      """Upgrade database schema and/or data, creating a new revision."""
      with op.batch_alter_table("stack", schema=None) as batch_op:
          batch_op.add_column(
              sa.Column(
                  "description",
                  sqlmodel.sql.sqltypes.AutoString(),
                  nullable=True,
              )
          )
  
  
  def downgrade() -> None:
      """Downgrade database schema and/or data back to the previous revision."""
      with op.batch_alter_table("stack", schema=None) as batch_op:
          batch_op.drop_column("description")
  