new_contents: import sys
  import os.path
  sys.path.append(os.path.join(os.pardir,os.pardir))
  import disaggregator as da
  import disaggregator.PecanStreetDatasetAdapter as psda
  
  db_url = "postgresql://USERNAME:PASSWORD@db.wiki-energy.org:5432/postgres"
  psda.set_url(db_url)
  schema = 'shared'
  
  
  table_names = psda.get_table_names(schema)
  
  all_ids = []
  all_columns = []
  for table_name in table_names:
      ids,columns = psda.get_table_dataids_and_column_names(schema,table_name)
      all_ids.append(ids)
      all_columns.append(columns)
  print all_ids
  print all_columns
  
subject: update get ids and columns in pecanstreet, much faster