Module: PostgresCopy::WithTempTable

Defined in:
lib/postgres-copy/with_temp_table.rb

Class Method Summary collapse

Class Method Details

.generate(connection = ActiveRecord::Base.connection, base_klass: ActiveRecord::Base, temp_table_name: nil, create_table_opts: {id: :bigint}) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
# File 'lib/postgres-copy/with_temp_table.rb', line 3

def self.generate(connection = ActiveRecord::Base.connection, base_klass:
  ActiveRecord::Base, temp_table_name: nil, create_table_opts: {id: :bigint})
  raise "You have to pass a table schema definition block!" unless block_given?
  table_name = temp_table_name || "temp_table_#{SecureRandom.hex}"

  connection.create_table table_name, temporary: true, **create_table_opts do |t|
    yield t
  end

  klass = Class.new(base_klass) do
    acts_as_copy_target
    self.table_name = table_name
  end
end