foreignKey: Create foreign key

In ezwelty/dpkg: Data Packages for R

Description

A reference between fields in different data package resources (tables).

Usage

foreignKey(fields, resource, resource_fields)

Arguments

fields	(character) Local field name(s).
resource	(character) Foreign resource name (within the same data package) or "" for the local resource.
resource_fields	(character) Foreign field name(s). Must match length of fields.

References

https://specs.frictionlessdata.io/table-schema/#foreign-keys

See Also

Other meta objects: constraints, contributor, field, package, resource, schema, source

Examples

foreignKey(
  fields = "state-code",
  resource = "state-codes",
  resource_fields = "code"
)

ezwelty/dpkg documentation built on May 30, 2019, 7:19 a.m.