module Sequel::Dataset::UnnumberedArgumentMapper

Default implementation for an argument mapper that uses unnumbered SQL placeholder arguments. Keeps track of which arguments have been used, and allows arguments to be used more than once.

Protected Instance Methods

map_to_prepared_args(bind_vars) click to toggle source

Returns a single output array mapping the values of the input hash. Keys in the input hash that are used more than once in the query have multiple entries in the output array.

    # File lib/sequel/dataset/prepared_statements.rb
255 def map_to_prepared_args(bind_vars)
256   prepared_args.map{|v| bind_vars[v]}
257 end

Private Instance Methods

prepared_arg(k) click to toggle source

Associates the argument with name k with the next position in the output array.

    # File lib/sequel/dataset/prepared_statements.rb
263 def prepared_arg(k)
264   prepared_args << k
265   prepared_arg_placeholder
266 end