docs: def UninstallTrump(RemoveDataTables=True, RemoveOverrides=True, RemoveFailsafes=True):
      """
      This script removes all tables associated with Trump.
      
      It's written for PostgreSQL, but should be very easy to adapt to other
      databases.
      """
      
      ts = ['_symbols', '_symbol_validity', '_symbol_tags', '_symbol_aliases', 
            '_feeds', '_feed_munging', '_feed_munging_args', '_feed_sourcing', 
            '_feed_validity', '_feed_meta', '_feed_tags', '_feed_handle', 
            '_index_kwargs', '_indicies', '_symbol_handle', '_symboldatadef']
      
      if RemoveOverrides:
          ts.append('_overrides')
          
      if RemoveFailsafes:
          ts.append('_failsafes')
  
      engine = create_engine(ENGINE_STR)
         
      if RemoveDataTables:
          results = engine.execute("SELECT name FROM _symbols;")
          datatables = [row['name'] for row in results]
          ts = ts + datatables
      
      drops = "".join(['DROP TABLE IF EXISTS "{}" CASCADE;'.format(t) for t in ts])
      
      engine.execute(drops)