From c2e7f36f87184f23e9d83269ff20f99a29ec75ad Mon Sep 17 00:00:00 2001 From: Shane Emmons Date: Fri, 29 Apr 2011 10:10:06 -0400 Subject: replace 'LIMIT n' with 'FETCH FIRST n ROWS ONLY' when using ibm_db --- test/visitors/test_ibm_db.rb | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 test/visitors/test_ibm_db.rb (limited to 'test') diff --git a/test/visitors/test_ibm_db.rb b/test/visitors/test_ibm_db.rb new file mode 100644 index 0000000000..cc35bb768d --- /dev/null +++ b/test/visitors/test_ibm_db.rb @@ -0,0 +1,27 @@ +require 'helper' + +module Arel + module Visitors + describe 'the ibm_db visitor' do + before do + @visitor = IBM_DB.new Table.engine + 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 -- cgit v1.2.3