vrozov commented on a change in pull request #1360: DRILL-6578: Handle query
cancellation in Parquet reader
URL: https://github.com/apache/drill/pull/1360#discussion_r199673424
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/columnreaders/VarLenColumnBulkInput.java
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@@ -479,6 +483,17 @@ private void deinitOverflowData() {
fieldOverflowStateContainer = null;
}
+ private void checkCancellation() {
+ // - The methods hasNext() & next() are usually invoked within a loop
+ // - We need to ensure that bugs do not cause such loops to execute forever
+ // - To do that, will check the interrupted status (e.g., cancellation) to
break the infinite loop
+ if (Thread.currentThread().isInterrupted()) {
Review comment:
use `Thread.interruped()`
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