ericpai commented on a change in pull request #4517:
URL: https://github.com/apache/iotdb/pull/4517#discussion_r766452428
##########
File path:
server/src/main/java/org/apache/iotdb/db/query/udf/core/layer/SingleInputColumnSingleReferenceIntermediateLayer.java
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@@ -63,12 +63,16 @@ public LayerRowReader constructRowReader() {
private final Row row = new
LayerPointReaderBackedSingleColumnRow(parentLayerPointReader);
private boolean hasCached = false;
+ private boolean isCurrentNull = false;
@Override
public boolean next() throws IOException, QueryProcessException {
if (!hasCached) {
hasCached = parentLayerPointReader.next();
}
+ if (hasCached) {
+ isCurrentNull = parentLayerPointReader.isCurrentNull();
+ }
Review comment:
Fixed.
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