gortiz commented on code in PR #11546:
URL: https://github.com/apache/pinot/pull/11546#discussion_r1319444154


##########
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/AndOperatorTransformFunction.java:
##########
@@ -45,4 +48,37 @@ int getLogicalFuncResult(int left, int right) {
     }
     return 0;
   }
+
+  @Nullable
+  @Override
+  public RoaringBitmap getNullBitmap(ValueBlock valueBlock) {
+    int numDocs = valueBlock.getNumDocs();
+    int numArguments = _arguments.size();
+    int[][] intValuesSVs = new int[numArguments][numDocs];
+    RoaringBitmap[] nullBitmaps = new RoaringBitmap[numArguments];
+    RoaringBitmap nullBitmap = new RoaringBitmap();
+    for (int i = 0; i < numArguments; i++) {
+      intValuesSVs[i] = _arguments.get(i).transformToIntValuesSV(valueBlock);
+      nullBitmaps[i] = _arguments.get(i).getNullBitmap(valueBlock);
+    }
+    for (int docId = 0; docId < numDocs; docId++) {

Review Comment:
   I'm not sure if it is possible, but performance wise, I think it would be 
better to iterate over the arguments first in order to always use the same 
nullBitmap and therefore reduce the memory preasure.



##########
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/AndOperatorTransformFunction.java:
##########
@@ -45,4 +48,37 @@ int getLogicalFuncResult(int left, int right) {
     }
     return 0;
   }
+
+  @Nullable
+  @Override
+  public RoaringBitmap getNullBitmap(ValueBlock valueBlock) {
+    int numDocs = valueBlock.getNumDocs();
+    int numArguments = _arguments.size();
+    int[][] intValuesSVs = new int[numArguments][numDocs];
+    RoaringBitmap[] nullBitmaps = new RoaringBitmap[numArguments];
+    RoaringBitmap nullBitmap = new RoaringBitmap();
+    for (int i = 0; i < numArguments; i++) {
+      intValuesSVs[i] = _arguments.get(i).transformToIntValuesSV(valueBlock);
+      nullBitmaps[i] = _arguments.get(i).getNullBitmap(valueBlock);
+    }
+    for (int docId = 0; docId < numDocs; docId++) {

Review Comment:
   I'm not sure if it is possible, but performance wise, I think it would be 
better to iterate over the arguments first in order to always use the same 
nullBitmap and therefore reduce the memory pressure.



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