Returns parameter columns (those with param-domain-type) and basic metadata,
including a best-effort current value if present.
Value
A tibble with columns:
- datasource
Datasource name.
- name
User-visible caption or cleaned internal name.
- tableau_internal_name
Internal Tableau name.
- datatype
Tableau datatype.
- role
Tableau role.
- parameter_type
Tableau parameter domain type.
- allowable_type
Underlying data-type (if present).
- current_value
Current value if specified.
- is_parameter
Always
TRUE.- table
Raw table reference.
- table_clean
Cleaned table name.
Examples
twb <- system.file("extdata", "test_for_wenjie.twb", package = "twbparser")
stopifnot(nzchar(twb), file.exists(twb))
xml <- xml2::read_xml(twb)
params <- extract_parameters(xml)
head(params)
#> # A tibble: 0 × 0