JezK
Edit File: test_ibm_db.rb
require 'helper' module Arel module Visitors describe 'the ibm_db visitor' do before do @visitor = IBM_DB.new Table.engine.connection end it 'uses FETCH FIRST n ROWS to limit results' do stmt = Nodes::SelectStatement.new stmt.limit = Nodes::Limit.new(1) sql = @visitor.accept(stmt) sql.must_be_like "SELECT FETCH FIRST 1 ROWS ONLY" end it 'uses FETCH FIRST n ROWS in updates with a limit' do stmt = Nodes::UpdateStatement.new stmt.limit = Nodes::Limit.new(1) stmt.key = 'id' sql = @visitor.accept(stmt) sql.must_be_like "UPDATE NULL WHERE 'id' IN (SELECT 'id' FETCH FIRST 1 ROWS ONLY)" end end end end