Refreshes a table on Redshift using tables_post_refresh, which runs the
table scanner and updates table meta-data.
refresh_table(tablename, database = NULL, verbose = FALSE)string, Name of table and schema "schema.tablename"
string, Name of database where data frame is to be uploaded. If no database is specified,
uses options(civis.default_db)
bool, Set to TRUE to print intermediate progress indicators.
Returns table meta-data from tables_get.
Other tables: get_table_id,
transfer_table