dataset = "dataset.toml"

[source]
  name = "source"

# This show how the filter in external works.
# Only the lines with Column C = 'France' will be
# matched.
[externals.source-target]
  intern_key = ":source.A"
  extern_key = ":A"
  filters = [
    ":C = 'France'"
  ]

[sheet]
  columns = [
    ":A",
    ":C",
    ":source-target.A",
    ":source-target.C",
  ]