siddharthteotia commented on a change in pull request #8138:
URL: https://github.com/apache/pinot/pull/8138#discussion_r800105848
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File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/CaseTransformFunction.java
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@@ -209,17 +220,23 @@ public TransformResultMetadata getResultMetadata() {
return super.transformToIntValuesSV(projectionBlock);
}
int[] selected = getSelectedArray(projectionBlock);
- if (_intResults == null) {
- _intResults = new int[DocIdSetPlanNode.MAX_DOC_PER_CALL];
+ int numDocs = projectionBlock.getNumDocs();
+ if (_intResults == null || _intResults.length < numDocs) {
+ _intResults = new int[numDocs];
}
int numElseThenStatements = _elseThenStatements.size();
for (int i = 0; i < numElseThenStatements; i++) {
- TransformFunction transformFunction = _elseThenStatements.get(i);
- int[] intValues =
transformFunction.transformToIntValuesSV(projectionBlock);
- int numDocs = projectionBlock.getNumDocs();
- for (int j = 0; j < numDocs; j++) {
- if (selected[j] == i) {
- _intResults[j] = intValues[j];
+ if (_selections[i]) {
+ TransformFunction transformFunction = _elseThenStatements.get(i);
+ int[] intValues =
transformFunction.transformToIntValuesSV(projectionBlock);
+ if (_numSelections == 1) {
+ System.arraycopy(intValues, 0, _intResults, 0, numDocs);
+ } else {
Review comment:
Is checking for `_numSelections == 1` and copy really needed ?
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