dm (version 0.0.4)

cdm_has_fk: Does a reference from one table of a dm to another exist?

Description

Does a reference from one table of a dm to another exist?

Usage

cdm_has_fk(dm, table, ref_table)

Arguments

dm

A dm object.

table

A table in the dm

ref_table

The table which table is potentially referencing.

Value

A boolean value: TRUE, if a reference from table to ref_table exists, FALSE otherwise.

See Also

Other foreign key functions: cdm_add_fk, cdm_enum_fk_candidates, cdm_get_all_fks, cdm_get_fk, cdm_rm_fk