Add logging output
@@ -368,6 +368,9 @@ public class SparqlMatcherActor extends UntypedActor {
}
Op noHintForCounterpartQuery = Transformer.transform(new TransformCopy() {
public Op transform(OpProject op, Op subOp) {
+ if (log.isDebugEnabled()) {
+ log.debug("transforming: opProject:{}, subOp:{}", op, subOp);
+ }
return new OpSlice(
op.copy(
OpJoin.create(
@@ -391,6 +394,9 @@ public class SparqlMatcherActor extends UntypedActor {
}
Op hintForCounterpartQuery = Transformer.transform(new TransformCopy() {
public Op transform(OpProject op, Op subOp) {
+ if (log.isDebugEnabled()) {
+ log.debug("transforming: opProject:{}, subOp:{}", op, subOp);
+ }
return new OpSlice(
op.copy(
OpFilter.filter(
