public final static List<IAlgebraicRewriteRule> prepareForJobGenRuleCollection() {
List<IAlgebraicRewriteRule> prepareForJobGenRewrites = new LinkedList<IAlgebraicRewriteRule>();
prepareForJobGenRewrites.add(new ConvertFromAlgebricksExpressionsRule());
prepareForJobGenRewrites.add(new IsolateHyracksOperatorsRule(
HeuristicOptimizer.hyraxOperatorsBelowWhichJobGenIsDisabled));
prepareForJobGenRewrites.add(new ExtractCommonOperatorsRule());
// Re-infer all types, so that, e.g., the effect of not-is-null is
// propagated.
prepareForJobGenRewrites.add(new PushProjectIntoDataSourceScanRule());
prepareForJobGenRewrites.add(new ReinferAllTypesRule());
return prepareForJobGenRewrites;