add_foreign_key {ReDaMoR}

Add a foreign key between two tables

Description

Add a foreign key between two tables

Usage

add_foreign_key(
  x,
  fromTable,
  fromFields,
  toTable,
  toFields,
  fmin = 0L,
  fmax = -1L,
  tmin = 1L,
  tmax = 1L
)

Arguments

x

a RelDataModel

fromTable

the name of the referencing table

fromFields

the name of the referencing fields

toTable

the name of the referenced table

toFields

the names of the referenced fields

fmin

from minimum cardinality (default: 0L)

fmax

from maximum cardinality (default: -1L ==> Infinite)

tmin

to minimum cardinality (default: 1L)

tmax

to maximum cardinality (default: 1L)

Value

A RelDataModel