Module: RailsDb::Connection

Included in:
Adapters::BaseAdapter, Database, SqlImport, SqlQuery, Table, TableData
Defined in:
lib/rails_db/connection.rb

Instance Method Summary collapse

Instance Method Details

#column_names ⇒ Object 



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# File 'lib/rails_db/connection.rb', line 49

def column_names
  Debuggers.print '26. Starting column_names method'
  begin
    result = columns.collect(&:name)
    Debuggers.print "27. column_names result: #{result.inspect}"
    result
  rescue => e
    Debuggers.print "28. Error in column_names: #{e.message}"
    Debuggers.print e.backtrace
    raise
  end
end

#column_properties ⇒ Object 



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# File 'lib/rails_db/connection.rb', line 41

def column_properties
  %w(name sql_type null limit precision scale type default)
end

#columns ⇒ Object 



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# File 'lib/rails_db/connection.rb', line 28

def columns
  Debuggers.print '23. Starting columns method'
  begin
    result = connection.columns(name)
    Debuggers.print "24. columns result: #{result.inspect}"
    result
  rescue => e
    Debuggers.print "25. Error in columns: #{e.message}"
    Debuggers.print e.backtrace
    raise
  end
end

#connection ⇒ Object 



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# File 'lib/rails_db/connection.rb', line 4

def connection
  Debuggers.print '17. Starting connection method'
  begin
    result = ActiveRecord::Base.connection
    Debuggers.print "18. connection result: #{result}"
    result
  rescue ActiveRecord::ConnectionNotEstablished => e
    Debuggers.print "19. Connection not established, trying to establish connection"
    begin
      result = ActiveRecord::Base.establish_connection(Rails.application.config.database_configuration[Rails.env]).connection
      Debuggers.print "20. New connection established: #{result}"
      result
    rescue => e
      Debuggers.print "21. Error establishing connection: #{e.message}"
      Debuggers.print e.backtrace
      raise
    end
  rescue => e
    Debuggers.print "22. Error in connection: #{e.message}"
    Debuggers.print e.backtrace
    raise
  end
end

#to_param ⇒ Object 



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# File 'lib/rails_db/connection.rb', line 45

def to_param
  name
end