new_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  import sqlalchemy as sa
  from sqlalchemy.dialects.postgresql import UUID, JSONB
  from alembic import op
  
  
  # revision identifiers, used by Alembic.
  revision = '84910d455f31'
  down_revision = u'bf807df84277'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      op.create_table('cochrane_reviews',
          sa.Column('meta_id', sa.Text),
          sa.Column('meta_created', sa.DateTime(timezone=True), server_default=sa.text('now()')),
          sa.Column('meta_updated', sa.DateTime(timezone=True), server_default=sa.text('now()')),
          sa.Column('meta_source', sa.Text),
  
          sa.Column('id', UUID, primary_key=True),
          sa.Column('study_type', sa.Text),
          sa.Column('file_name', sa.Text),
          sa.Column('robs', JSONB),
          sa.Column('study_id', sa.Text),
          sa.Column('refs', JSONB),
          sa.Column('doi_id', sa.Text),
      )
  
  
  def downgrade():
      op.drop_table('nct')
  
subject: Add migration to cochrane_reviews