create_join_table(table_1, table_2, options = {})
Instance Public methods
Creates a new join table with the name created using the lexical order of
the first two arguments. These arguments can be a String or a Symbol.
# Creates a table called 'assemblies_parts' with no id.
create_join_table(:assemblies, :parts)
You can pass a options hash can include the following keys:
:table_name
Sets the table name overriding the default
:column_options
Any extra options you want appende