Method: DBA::TableSchema#primary_key

Defined in:
lib/dba/table_schema.rb

#primary_key ⇒ Object 



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# File 'lib/dba/table_schema.rb', line 10

def primary_key
  @schema.each do |column_name, column_info|
    return column_name if column_info[:primary_key]
  end

  return nil
end