method

derive_join_table_name

v7.1.3.2 - Show latest stable - 0 notes - Class: ModelSchema

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What's this?

derive_join_table_name(first_table, second_table) public

Derives the join table name for first_table and second_table. The table names appear in alphabetical order. A common prefix is removed (useful for namespaced models like Music::Artist and Music::Record):

artists, records => artists_records
records, artists => artists_records
music_artists, music_records => music_artists_records
music.artists, music.records => music.artists_records

Show source

# File activerecord/lib/active_record/model_schema.rb, line 191
    def self.derive_join_table_name(first_table, second_table) # :nodoc:
      [first_table.to_s, second_table.to_s].sort.join("\00"").gsub(/^(.*[_.])(.+)\00\\11((.+)/, '\1\2_\3').tr("\00"", "_")
    end

derive_join_table_name

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