Class: N1Finder::Adapters::ActiveRecordAdapter

Inherits:
BaseAdapter
  • Object
show all
Defined in:
lib/n_1_finder/adapters/active_record_adapter.rb

Overview

Catches queries when using ActiveRecord

Constant Summary collapse

MAIN_METHOD =

Method in ‘database_class` that we observe to find N+1 queries

Any activerecord connection adapter has a `exec_query` method
http://api.rubyonrails.org/classes/ActiveRecord/Result.html

:exec_query

Constants inherited from BaseAdapter

BaseAdapter::MAIN_METHOD_ALIAS

Instance Attribute Summary

Attributes inherited from BaseAdapter

#storage

Class Method Summary collapse

Methods inherited from BaseAdapter

#exec, #initialize

Constructor Details

This class inherits a constructor from N1Finder::Adapters::BaseAdapter

Class Method Details

.find_sql_params(params) ⇒ Hash

Searches for activerecord sql params in array

Parameters:

  • params (Array)

Returns:

  • (Hash) —

    sql params



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# File 'lib/n_1_finder/adapters/active_record_adapter.rb', line 38

def find_sql_params(params)
  binds = params.find do |param|
    param.is_a?(Array) && param.first.is_a?(Array) &&
      param.first.first.is_a?(ActiveRecord::ConnectionAdapters::Column)
  end || []

  Hash[binds].each_with_object({}) do |(key, value), object|
    object[key.name] = value
  end
end