new_contents: """Index Patch.project_id
  
  Revision ID: 34157be0e8a2
  Revises: f8ed1f99eb1
  Create Date: 2014-01-02 21:59:37.076886
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '34157be0e8a2'
  down_revision = 'f8ed1f99eb1'
  
  from alembic import op
  
  
  def upgrade():
      op.create_index('idx_patch_project_id', 'patch', ['project_id'])
  
  
  def downgrade():
      op.drop_index('idx_patch_project_id', 'patch')
  
subject: Index Patch.project_id