dm_get_all_fks: Retrieve all foreign key constraints in a dm
Description
Get a summary of all foreign key relations in a dm
Usage
dm_get_all_fks(dm)
Arguments
dm
A dm object.
Value
A tibble with the following columns:
child_table
child table,
child_fk_cols
foreign key column in child table,
parent_table
parent table.
Compound keys
Currently, keys consisting of more than one column are not supported.
This feature is planned for dm 0.2.0.
Therefore the child_fk_cols column may contain vectors of length greater than one.