/ Ruby on Rails
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method

valid_primary_key_options

rails latest stable - Class: ActiveRecord::ConnectionAdapters::MySQL::SchemaStatements
valid_primary_key_options()
private

No documentation available.

# File activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb, line 157
          def valid_primary_key_options
            super + [:unsigned]
          end