walterddr commented on code in PR #9909:
URL: https://github.com/apache/pinot/pull/9909#discussion_r1044769527
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pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/FilterOperator.java:
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@@ -92,7 +95,7 @@ private TransferableBlock transform(TransferableBlock block)
List<Object[]> resultRows = new ArrayList<>();
List<Object[]> container = block.getContainer();
for (Object[] row : container) {
- if (_filterOperand.apply(row)) {
+ if ((Boolean) FunctionInvokeUtils.convert(_filterOperand.apply(row),
DataSchema.ColumnDataType.BOOLEAN)) {
Review Comment:
TransformOperand is function, literal or reference. it is not necessarily
function.
the only difference is that TransformOperator returns Object and
FilterOperator casts the Operand result into Boolean for a filter
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