A categorical arrow mapping a table to a table.
arrow(pipeline, ..., free_table_key = NULL, strict = FALSE)
| pipeline | pipeline with one source table |
|---|---|
| ... | not used, force later argument to be referred to by name. |
| free_table_key | name of table to consider free (input) to the pipeline |
| strict | logical, if TRUE excess columns are considered an error |
relop_arrow wrapping of pipeline