Class: ETL::Execution::Migration

Inherits:

Object

• Object
• ETL::Execution::Migration

Defined in:

lib/etl/execution/migration.rb

Overview

Handles migration of tables required for persistent storage of meta data for the ETL engine

Class Method Summary

• .migrate ⇒ Object

  Execute the migrations.

Class Method Details

.migrate ⇒ Object

Execute the migrations

# File 'lib/etl/execution/migration.rb', line 8

def migrate
  connection.initialize_schema_information
  v = connection.select_value("SELECT version FROM #{schema_info_table_name}").to_i
  v.upto(target - 1) { |i| __send__("migration_#{i+1}".to_sym) }
end