Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/822#discussion_r117104008
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/base/AbstractBase.java
---
@@ -99,17 +100,31 @@ public void setCost(double cost) {
this.cost = cost;
}
- // Not available. Presumably because Drill does not currently use
- // this value, though it does appear in some test physical plans.
-// public void setMaxAllocation(long alloc) {
-// maxAllocation = alloc;
-// }
-
@Override
public long getMaxAllocation() {
return maxAllocation;
}
+ /**
+ * Any operator that supports spilling should override this method
+ * @param maxAllocation The max memory allocation to be set
+ */
+ @Override
+ public void setMaxAllocation(long maxAllocation) {
--- End diff --
There was a problem with this method, which is why it was commented out.
Trying to remember... Something about the internal, temporary serializations in
planning causing values to be overwritten. Jackson will see this method and use
it for deserializing the value. May have to fiddle around a bit to remember the
issue.
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