WangGuangxin commented on code in PR #5954:
URL: https://github.com/apache/incubator-gluten/pull/5954#discussion_r1718037248


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cpp/velox/substrait/SubstraitToVeloxPlan.cc:
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@@ -1712,19 +1733,6 @@ void SubstraitToVeloxPlanConverter::separateFilters(
   for (const auto& scalarFunction : scalarFunctions) {
     auto filterNameSpec = SubstraitParser::findFunctionSpec(functionMap_, 
scalarFunction.function_reference());
     auto filterName = SubstraitParser::getNameBeforeDelimiter(filterNameSpec);
-    // Add all decimal filters to remaining functions because their pushdown 
are not supported.
-    if (format == dwio::common::FileFormat::ORC && 
scalarFunction.arguments().size() > 0) {

Review Comment:
   > That means actually we don't support the pushdown of long decimal in 
Parquet and ORC. Is that correct?
   
   @rui-mo Currently yes. But to support a `HugeintMultiRange` in velox side is 
not a big issue, I can work on it later.



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