instance method `foreign_key_name`

Ruby on Rails 7.2.3

Since v5.2.8.1 Private

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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foreign_key_name(table_name, options)

No documentation comment.

Parameters

table_name req
options req

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 1731
        def foreign_key_name(table_name, options)
          options.fetch(:name) do
            columns = Array(options.fetch(:column)).map(&:to_s)
            identifier = "#{table_name}_#{columns * '_and_'}_fk"
            hashed_identifier = OpenSSL::Digest::SHA256.hexdigest(identifier).first(10)

            "fk_rails_#{hashed_identifier}"
          end
        end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb line 1731 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaStatements

Signature

Parameters