code: def rename_table(conn, old_table_name, new_table_name, schema=None):
      
      activity_table = get_activity_table(schema=schema)
      query = (
          activity_table
          .update()
          .values(table_name=new_table_name)
          .where(activity_table.c.table_name == old_table_name)
      )
      return conn.execute(query)
docs: Renames given table in activity table. You should remember to call this
      function whenever you rename a versioned table.
  
      ::
  
          from alembic import op
          from postgresql_audit import rename_table
  
  
          def upgrade():
              op.rename_table('article', 'article_v2')
              rename_table(op, 'article', 'article_v2')
  
  
      :param conn:
          An object that is able to execute SQL (either SQLAlchemy Connection,
          Engine or Alembic Operations object)
      :param old_table_name:
          The name of table to rename
      :param new_table_name:
          New name of the renamed table
      :param schema:
          Optional name of schema to use.