Class: ETL::Execution::Migration

Inherits:
Object
  • Object
show all
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 collapse

Class Method Details

.migrate ⇒ Object

Execute the migrations



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# 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) do |i| 
    __send__("migration_#{i+1}".to_sym)
    update_schema_info(i+1)
  end
end