These functions cache the data from the nycflights13 database in
a local database, for use in examples and vignettes. Indexes are created
to making joining tables on natural keys efficient.
nycflights13_sqlite(path = NULL)nycflights13_postgres(dbname = "nycflights13", ...)
has_nycflights13(type = c("sqlite", "postgresql"), ...)
copy_nycflights13(src, ...)
location of sqlite database file
Arguments passed on to src_postgres