content: """Add run templates [7d1919bb1ef0].
  
  Revision ID: 7d1919bb1ef0
  Revises: b59aa68fdb1f
  Create Date: 2024-07-22 11:20:00.544451
  
  """
  
  import sqlalchemy as sa
  import sqlmodel
  from alembic import op
  from sqlalchemy.dialects import mysql
  
  # revision identifiers, used by Alembic.
  revision = "7d1919bb1ef0"
  down_revision = "b59aa68fdb1f"
  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(
          "run_template",
          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(
              "description",
              sa.String(length=16777215).with_variant(mysql.MEDIUMTEXT, "mysql"),
              nullable=True,
          ),
          sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
          sa.Column(
              "workspace_id", sqlmodel.sql.sqltypes.GUID(), nullable=False
          ),
          sa.Column(
              "source_deployment_id", sqlmodel.sql.sqltypes.GUID(), nullable=True
          ),
          sa.ForeignKeyConstraint(
              ["source_deployment_id"],
              ["pipeline_deployment.id"],
              name="fk_run_template_source_deployment_id_pipeline_deployment",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["user_id"],
              ["user.id"],
              name="fk_run_template_user_id_user",
              ondelete="SET NULL",
          ),
          sa.ForeignKeyConstraint(
              ["workspace_id"],
              ["workspace.id"],
              name="fk_run_template_workspace_id_workspace",
              ondelete="CASCADE",
          ),
          sa.PrimaryKeyConstraint("id"),
          sa.UniqueConstraint(
              "name", "workspace_id", name="unique_template_name_in_workspace"
          ),
      )
      with op.batch_alter_table("pipeline_build", schema=None) as batch_op:
          batch_op.add_column(
              sa.Column(
                  "stack_checksum",
                  sqlmodel.sql.sqltypes.AutoString(),
                  nullable=True,
              )
          )
          batch_op.drop_column("template_deployment_id")
  
      with op.batch_alter_table("pipeline_deployment", schema=None) as batch_op:
          batch_op.add_column(
              sa.Column(
                  "template_id", sqlmodel.sql.sqltypes.GUID(), 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("pipeline_deployment", schema=None) as batch_op:
          batch_op.drop_column("template_id")
  
      with op.batch_alter_table("pipeline_build", schema=None) as batch_op:
          batch_op.add_column(
              sa.Column(
                  "template_deployment_id", sa.CHAR(length=32), nullable=True
              )
          )
          batch_op.drop_column("stack_checksum")
  
      op.drop_table("run_template")
      # ### end Alembic commands ###
  