primary_key(table) — ActiveRecord::ConnectionAdapters::MysqlAdapter

primary_key(table)

Returns just a table’s primary key

Parameters

table req

Source

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 574
      def primary_key(table)
        pk_and_sequence = pk_and_sequence_for(table)
        pk_and_sequence && pk_and_sequence.first
      end

Defined in activerecord/lib/active_record/connection_adapters/mysql_adapter.rb line 574 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::MysqlAdapter

Signature

Parameters