content: """Fix Model Artifacts [6f707b385dc1].
  
  Revision ID: 6f707b385dc1
  Revises: 7f603e583dd7
  Create Date: 2023-10-13 11:34:55.907563
  
  """
  
  import sqlalchemy as sa
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = "6f707b385dc1"
  down_revision = "7f603e583dd7"
  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(
          "model_versions_artifacts", schema=None
      ) as batch_op:
          batch_op.alter_column(
              "pipeline_name",
              existing_type=sa.VARCHAR(),
              type_=sa.TEXT(),
              existing_nullable=False,
          )
          batch_op.alter_column(
              "step_name",
              existing_type=sa.VARCHAR(),
              type_=sa.TEXT(),
              existing_nullable=False,
          )
  
      # ### 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(
          "model_versions_artifacts", schema=None
      ) as batch_op:
          batch_op.alter_column(
              "step_name",
              existing_type=sa.TEXT(),
              type_=sa.VARCHAR(),
              existing_nullable=False,
          )
          batch_op.alter_column(
              "pipeline_name",
              existing_type=sa.TEXT(),
              type_=sa.VARCHAR(),
              existing_nullable=False,
          )
  
      # ### end Alembic commands ###
  