text: """aliquot_specimen_rlims_fk
  
  Revision ID: 69355dfe4d91
  Revises: 9a0873b51fe0
  Create Date: 2020-05-06 13:43:38.477762
  
  """
  from alembic import op
  import sqlalchemy as sa
  import model.utils
  from sqlalchemy.dialects import mysql
  
  from rdr_service.participant_enums import PhysicalMeasurementsStatus, QuestionnaireStatus, OrderStatus
  from rdr_service.participant_enums import WithdrawalStatus, WithdrawalReason, SuspensionStatus, QuestionnaireDefinitionStatus
  from rdr_service.participant_enums import EnrollmentStatus, Race, SampleStatus, OrganizationType, BiobankOrderStatus
  from rdr_service.participant_enums import OrderShipmentTrackingStatus, OrderShipmentStatus
  from rdr_service.participant_enums import MetricSetType, MetricsKey, GenderIdentity
  from rdr_service.model.base import add_table_history_table, drop_table_history_table
  from rdr_service.model.code import CodeType
  from rdr_service.model.site_enums import SiteStatus, EnrollingStatus, DigitalSchedulingStatus, ObsoleteStatus
  
  # revision identifiers, used by Alembic.
  revision = '69355dfe4d91'
  down_revision = '9a0873b51fe0'
  branch_labels = None
  depends_on = None
  
  
  def upgrade(engine_name):
      globals()["upgrade_%s" % engine_name]()
  
  
  def downgrade(engine_name):
      globals()["downgrade_%s" % engine_name]()
  
  
  
  def upgrade_rdr():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_constraint('biobank_aliquot_ibfk_2', 'biobank_aliquot', type_='foreignkey')
      op.create_foreign_key(None, 'biobank_aliquot', 'biobank_specimen', ['specimen_rlims_id'], ['rlims_id'])
      # ### end Alembic commands ###
  
  
  def downgrade_rdr():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_constraint(None, 'biobank_aliquot', type_='foreignkey')
      op.create_foreign_key('biobank_aliquot_ibfk_2', 'biobank_aliquot', 'biobank_specimen', ['specimen_rlims_id'], ['order_id'])
      # ### end Alembic commands ###
  
  
  def upgrade_metrics():
      # ### commands auto generated by Alembic - please adjust! ###
      pass
      # ### end Alembic commands ###
  
  
  def downgrade_metrics():
      # ### commands auto generated by Alembic - please adjust! ###
      pass
      # ### end Alembic commands ###
  
  