module Sequel::Postgres::Dataset::ArgumentMapper

PostgreSQL specific argument mapper used for mapping the named argument hash to a array with numbered arguments. Only used with the pg driver.

Protected Instance Methods

map_to_prepared_args(hash) click to toggle source

An array of bound variable values for this query, in the correct order.

    # File lib/sequel/adapters/postgres.rb
716 def map_to_prepared_args(hash)
717   prepared_args.map{|k| hash[k.to_sym]}
718 end

Private Instance Methods

prepared_arg(k) click to toggle source

    # File lib/sequel/adapters/postgres.rb
722 def prepared_arg(k)
723   y = k
724   if i = prepared_args.index(y)
725     i += 1
726   else
727     prepared_args << y
728     i = prepared_args.length
729   end
730   LiteralString.new("#{prepared_arg_placeholder}#{i}")
731 end