Class: ActiveRecord::HierarchicalQuery::CTE::Columns

Inherits:

Object

• Object
• ActiveRecord::HierarchicalQuery::CTE::Columns

Defined in:

lib/active_record/hierarchical_query/cte/columns.rb

Instance Method Summary

• #initialize(query) ⇒ Columns constructor

  A new instance of Columns.

• #to_a ⇒ Object (also: #to_ary)

  returns columns to be selected from both recursive and non-recursive terms.

Constructor Details

#initialize(query) ⇒ Columns

Returns a new instance of Columns.

Parameters:

• query (ActiveRecord::HierarchicalQuery::Query)

# File 'lib/active_record/hierarchical_query/cte/columns.rb', line 6

def initialize(query)
  @query = query
end

Instance Method Details

#to_a ⇒ Object Also known as: to_ary

returns columns to be selected from both recursive and non-recursive terms

# File 'lib/active_record/hierarchical_query/cte/columns.rb', line 11

def to_a
  column_names = [@query.klass.primary_key] | connect_by_columns
  column_names.map { |name| @query.table[name] }
end