method

primary_key

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What's this?

primary_key(name, type = :primary_key, **options) public

Appends a primary key definition to the table definition. Can be called multiple times, but this is probably not a good idea.

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 241
      def primary_key(name, type = :primary_key, **options)
        column(name, type, **options.merge(primary_key: true))
      end

primary_key

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