class ActiveRecord::PLSQL::PipelinedRelation
Attributes
pipelined_arguments_values[RW]
Public Instance Methods
bind_pipelined_arguments(values)
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# File lib/active_record/plsql/pipelined_relation.rb, line 20 def bind_pipelined_arguments(values) relation = clone if values.is_a?(Hash) arguments_values = values.values_at(*pipelined_arguments_names.map(&:to_sym)) relation.bind_values += pipelined_arguments.zip(arguments_values) else relation.where_values += values end relation end
bind_values=(vals)
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Safe arguments binding
Calls superclass method
# File lib/active_record/plsql/pipelined_relation.rb, line 52 def bind_values=(vals) if @klass.pipelined? && (pos = pipelined_arguments_binds_pos) vals = vals.map(&:dup) merge_pipelined_arguments(pos, vals) super(vals) else super end end
exec_queries()
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Calls superclass method
# File lib/active_record/plsql/pipelined_relation.rb, line 62 def exec_queries return super unless @klass.pipelined? && pipelined_arguments.any? return @records if loaded? super return @records if @records.empty? pos = pipelined_arguments_binds_pos found_by_arguments = @bind_values[pos...(pos + pipelined_arguments.size)] # save arguments for easy reloading @records.each {|record| record.found_by_arguments = found_by_arguments} @records end
merge_pipelined_arguments(pos, values)
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# File lib/active_record/plsql/pipelined_relation.rb, line 31 def merge_pipelined_arguments(pos, values) new_values_pos = pos + pipelined_arguments.size exist_args = values[pos...new_values_pos] new_values = values[new_values_pos..-1] new_args_pos = pipelined_arguments_binds_pos(new_values) # return if there are no new argument values return unless new_args_pos new_arguments = new_values[new_args_pos...(new_args_pos + pipelined_arguments.size)] # overriding nil arguments new_arguments.each_with_index {|val, idx| exist_args[idx][1] ||= val[1]} # exclude new arguments values[(new_values_pos + new_args_pos)...(new_values_pos + new_args_pos + pipelined_arguments.size)] = nil # drop nil values.compact! end
pipelined_arguments_binds_pos(binds = @bind_values)
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# File lib/active_record/plsql/pipelined_relation.rb, line 47 def pipelined_arguments_binds_pos(binds = @bind_values) binds.index {|(col,_)| col.name == pipelined_arguments.first.name} end
where(opts, *rest)
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Calls superclass method
# File lib/active_record/plsql/pipelined_relation.rb, line 5 def where(opts, *rest) return super unless @klass.pipelined? && pipelined_arguments.any? pipelined_args = pipelined_arguments_names.map(&:to_sym) opts = normalize_arguments_conditions(opts, pipelined_args) return super if opts.blank? relation = bind_pipelined_arguments(opts) opts.reject! {|k| pipelined_args.include?(k)} # bind rest of arguments relation.where_values += build_where(opts, rest) relation end
Protected Instance Methods
normalize_arguments_conditions(opts, args)
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# File lib/active_record/plsql/pipelined_relation.rb, line 77 def normalize_arguments_conditions(opts, args) case opts when Hash opts.symbolize_keys when Arel::Nodes::Equality column = opts.left.name.to_sym # only simple types for a while if args.include?(column) && !opts.right.is_a?(Arel::Attributes::Attribute) {column => opts.right} end else [opts] end end