Ralph::Schema::ModelForeignKey

new(from_column : String, to_table : String, to_column : String, on_delete : Symbol | Nil = nil, on_update : Symbol | Nil = nil)

copy_with(from_column _from_column = @from_column, to_table _to_table = @to_table, to_column _to_column = @to_column, on_delete _on_delete = @on_delete, on_update _on_update = @on_update)