old_contents: """Make folder.name case sensitive.
  
  Revision ID: 5349c1a03fde
  Revises: 284227d72f51
  Create Date: 2015-01-23 10:07:26.090495
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '5349c1a03fde'
  down_revision = '284227d72f51'
  
  from alembic import op
  
  
  def upgrade():
      connection = op.get_bind()
      connection.execute(
          '''
          ALTER TABLE folder CHANGE name name varchar(191) BINARY DEFAULT NULL;
          '''
      )
  
  
  def downgrade():
      connection = op.get_bind()
      connection.execute(
          '''
          ALTER TABLE folder CHANGE name name varchar(191) DEFAULT NULL;
          '''
      )
  
new_contents: """Make folder.name case sensitive.
  
  Revision ID: 5349c1a03fde
  Revises: 284227d72f51
  Create Date: 2015-01-23 10:07:26.090495
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '5349c1a03fde'
  down_revision = '284227d72f51'
  
  from alembic import op
  
  
  def upgrade():
      connection = op.get_bind()
      connection.execute(
          '''
          ALTER TABLE folder CHANGE name name varchar(191) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL;
          '''
      )
  
  
  def downgrade():
      connection = op.get_bind()
      connection.execute(
          '''
          ALTER TABLE folder CHANGE name name varchar(191) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL;
          '''
      )
  
subject: Fix migration 129.