Method: Sequel::Postgres::AutoParameterize::QueryString#add_arg

Defined in:
lib/sequel/extensions/pg_auto_parameterize.rb

#add_arg(s) ⇒ Object

Add a new parameter to this query, which adds the parameter to the array of parameters, and an SQL placeholder to the query itself.



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# File 'lib/sequel/extensions/pg_auto_parameterize.rb', line 106

def add_arg(s)
  unless defined?(@args)
    @args = []
    @arg_map = {}
    @arg_map.compare_by_identity
  end

  unless pos = @arg_map[s]
    @args << s
    pos = @arg_map[s] = @args.length.to_s
  end
  self << '$' << pos
end