content: """add Model Control Plane entities [3b68abe58f44].
  
  Revision ID: 3b68abe58f44
  Revises: 37835ce041d2
  Create Date: 2023-09-11 07:53:18.641081
  
  """
  
  import sqlalchemy as sa
  import sqlmodel
  from alembic import op
  
  # revision identifiers, used by Alembic.
  revision = "3b68abe58f44"
  down_revision = "37835ce041d2"
  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! ###
      op.create_table(
          "model",
          sa.Column(
              "workspace_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column("license", sa.TEXT(), nullable=True),
          sa.Column("description", sa.TEXT(), nullable=True),
          sa.Column("audience", sa.TEXT(), nullable=True),
          sa.Column("use_cases", sa.TEXT(), nullable=True),
          sa.Column("limitations", sa.TEXT(), nullable=True),
          sa.Column("trade_offs", sa.TEXT(), nullable=True),
          sa.Column("ethic", sa.TEXT(), nullable=True),
          sa.Column("tags", sa.TEXT(), nullable=True),
          sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column("created", sa.DateTime(), nullable=False),
          sa.Column("updated", sa.DateTime(), nullable=False),
          sa.Column("name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
          sa.ForeignKeyConstraint(
              ["user_id"],
              ["user.id"],
              name="fk_model_user_id_user",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["workspace_id"],
              ["workspace.id"],
              name="fk_model_workspace_id_workspace",
              ondelete="CASCADE",
          ),
          sa.PrimaryKeyConstraint("id"),
      )
      op.create_table(
          "model_version",
          sa.Column(
              "workspace_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column("model_id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column("name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
          sa.Column("number", sa.INTEGER(), nullable=False),
          sa.Column("description", sa.TEXT(), nullable=True),
          sa.Column("stage", sa.TEXT(), nullable=True),
          sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column("created", sa.DateTime(), nullable=False),
          sa.Column("updated", sa.DateTime(), nullable=False),
          sa.ForeignKeyConstraint(
              ["model_id"],
              ["model.id"],
              name="fk_model_version_model_id_model",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["user_id"],
              ["user.id"],
              name="fk_model_version_user_id_user",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["workspace_id"],
              ["workspace.id"],
              name="fk_model_version_workspace_id_workspace",
              ondelete="CASCADE",
          ),
          sa.PrimaryKeyConstraint("id"),
      )
      op.create_table(
          "model_versions_artifacts",
          sa.Column(
              "workspace_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column("model_id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column(
              "model_version_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column("artifact_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column("is_model_object", sa.BOOLEAN(), nullable=True),
          sa.Column("is_deployment", sa.BOOLEAN(), nullable=True),
          sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column("created", sa.DateTime(), nullable=False),
          sa.Column("updated", sa.DateTime(), nullable=False),
          sa.Column("name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
          sa.Column(
              "pipeline_name", sqlmodel.sql.sqltypes.AutoString(), nullable=False
          ),
          sa.Column(
              "step_name", sqlmodel.sql.sqltypes.AutoString(), nullable=False
          ),
          sa.Column("version", sa.INTEGER(), nullable=False),
          sa.ForeignKeyConstraint(
              ["artifact_id"],
              ["artifact.id"],
              name="fk_model_versions_artifacts_artifact_id_artifact",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["model_id"],
              ["model.id"],
              name="fk_model_versions_artifacts_model_id_model",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["model_version_id"],
              ["model_version.id"],
              name="fk_model_versions_artifacts_model_version_id_model_version",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["user_id"],
              ["user.id"],
              name="fk_model_versions_artifacts_user_id_user",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["workspace_id"],
              ["workspace.id"],
              name="fk_model_versions_artifacts_workspace_id_workspace",
              ondelete="CASCADE",
          ),
          sa.PrimaryKeyConstraint("id"),
      )
      op.create_table(
          "model_versions_runs",
          sa.Column(
              "workspace_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column("model_id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column(
              "model_version_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column(
              "pipeline_run_id", sqlmodel.sql.sqltypes.GUID(), nullable=True
          ),
          sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
          sa.Column("created", sa.DateTime(), nullable=False),
          sa.Column("updated", sa.DateTime(), nullable=False),
          sa.Column("name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
          sa.ForeignKeyConstraint(
              ["model_id"],
              ["model.id"],
              name="fk_model_versions_runs_model_id_model",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["model_version_id"],
              ["model_version.id"],
              name="fk_model_versions_runs_model_version_id_model_version",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["pipeline_run_id"],
              ["pipeline_run.id"],
              name="fk_model_versions_runs_run_id_pipeline_run",
              ondelete="CASCADE",
          ),
          sa.ForeignKeyConstraint(
              ["user_id"],
              ["user.id"],
              name="fk_model_versions_runs_user_id_user",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["workspace_id"],
              ["workspace.id"],
              name="fk_model_versions_runs_workspace_id_workspace",
              ondelete="CASCADE",
          ),
          sa.PrimaryKeyConstraint("id"),
      )
      # ### end Alembic commands ###
  
  
  def downgrade() -> None:
      """Downgrade database schema and/or data back to the previous revision."""
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_table("model")
      op.drop_table("model_versions_runs")
      op.drop_table("model_versions_artifacts")
      op.drop_table("model_version")
      # ### end Alembic commands ###
  