sohami commented on a change in pull request #1504: DRILL-6792: Find the right
probe side fragment wrapper & fix DrillBuf…
URL: https://github.com/apache/drill/pull/1504#discussion_r226809347
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/work/filter/RuntimeFilterRouter.java
##########
@@ -303,10 +332,28 @@ private Wrapper findPhysicalOpContainer(Wrapper wrapper,
PhysicalOperator op) {
return opContainer;
}
}
- //should not be here
- throw new IllegalStateException(String.format("No valid Wrapper found for
physicalOperator with id=%d", op.getOperatorId()));
+ return null;
+ }
+
+ private Wrapper findRuntimeFilterContainer(Wrapper wrapper, long
runtimeFilterIdentifier) {
+ boolean contain = containsRuntimeFilterPhysicalOperator(wrapper,
runtimeFilterIdentifier);
+ if (contain) {
+ return wrapper;
+ }
+ List<Wrapper> dependencies = wrapper.getFragmentDependencies();
+ if (CollectionUtils.isEmpty(dependencies)) {
+ return null;
+ }
+ for (Wrapper dependencyWrapper : dependencies) {
+ Wrapper opContainer = findRuntimeFilterContainer(dependencyWrapper,
runtimeFilterIdentifier);
+ if (opContainer != null) {
+ return opContainer;
+ }
+ }
+ return null;
Review comment:
`findRuntimeFilterContainer` and `findPhysicalOpContainer` are doing same
thing except they are using different visitor. We can refactor this code as
below then caller can call with appropriate visitor.
```suggestion
private Wrapper findPhysicalOpContainer(Wrapper wrapper, PhysicalVisitor
visitor) {
boolean contain = containsPhysicalOperator(visitor);
if (contain) {
return wrapper;
}
List<Wrapper> dependencies = wrapper.getFragmentDependencies();
if (CollectionUtils.isEmpty(dependencies)) {
return null;
}
for (Wrapper dependencyWrapper : dependencies) {
Wrapper opContainer = findPhysicalOpContainer(dependencyWrapper,
visitor);
if (opContainer != null) {
return opContainer;
}
}
return null;
}
```
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