Usage: heroku db:pull [DATABASE_URL]
pull heroku data down into your local database
DATABASE_URL should reference your local database. if not specified, it
will be guessed from config/database.yml
-c, --chunksize SIZE # specify the number of rows to send in each batch
-d, --debug # enable debugging output
-e, --exclude TABLES # exclude the specified tables from the pull
-f, --filter REGEX # only pull certain tables
-r, --resume FILE # resume transfer described by a .dat file
-t, --tables TABLES # only pull the specified tables