icefury71 commented on a change in pull request #4943: Adding basic null
predicate support
URL: https://github.com/apache/incubator-pinot/pull/4943#discussion_r360560846
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File path:
pinot-core/src/main/java/org/apache/pinot/core/plan/FilterPlanNode.java
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@@ -111,6 +113,15 @@ private static BaseFilterOperator
constructPhysicalOperator(FilterQueryTree filt
// Leaf filter operator
Predicate predicate = Predicate.newPredicate(filterQueryTree);
+ // Check for null predicate
+ Predicate.Type type = predicate.getType();
+ if (type.equals(Predicate.Type.IS_NULL) ||
type.equals(Predicate.Type.IS_NOT_NULL)) {
+ DataSource dataSource =
segment.getDataSource(filterQueryTree.getColumn());
+ ImmutableRoaringBitmap nullBitmap =
dataSource.getNullValueVector().getNullBitmap();
+ boolean exclusive = (type == Predicate.Type.IS_NULL) ? false : true;
+ return new BitmapBasedFilterOperator(new
ImmutableRoaringBitmap[]{nullBitmap}, 0, numDocs-1, exclusive);
Review comment:
Tried reformatting - doesn't seem to affect this.
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