predList = (PredicateList) getNodeFactory().getNode(
C_NodeTypes.PREDICATE_LIST,
getContextManager());
LanguageConnectionContext lcc = getLanguageConnectionContext();
OptimizerFactory optimizerFactory = lcc.getOptimizerFactory();
optimizer = optimizerFactory.getOptimizer(optList,
predList,
getDataDictionary(),
(RequiredRowOrdering) null,
getCompilerContext().getNumTables(),
lcc);