Class: ActiveRecord::QueryMethods::WithChain

Inherits:

Object

• Object
• ActiveRecord::QueryMethods::WithChain

Defined in:

lib/postgres_ext/active_record/relation/query_methods.rb

Overview

WithChain objects act as placeholder for queries in which #with does not have any parameter. In this case, #with must be chained with #recursive to return a new relation.

Instance Method Summary

• #initialize(scope) ⇒ WithChain constructor

  A new instance of WithChain.

• #recursive(*args) ⇒ Object

  Returns a new relation expressing WITH RECURSIVE.

Constructor Details

#initialize(scope) ⇒ WithChain

Returns a new instance of WithChain.

# File 'lib/postgres_ext/active_record/relation/query_methods.rb', line 138

def initialize(scope)
  @scope = scope
end

Instance Method Details

#recursive(*args) ⇒ Object

Returns a new relation expressing WITH RECURSIVE

# File 'lib/postgres_ext/active_record/relation/query_methods.rb', line 143

def recursive(*args)
  @scope.with_values += args
  @scope.recursive_value = true
  @scope
end