rtpsw commented on code in PR #34627:
URL: https://github.com/apache/arrow/pull/34627#discussion_r1142683855
##########
cpp/src/arrow/engine/substrait/options.cc:
##########
@@ -166,6 +171,57 @@ class DefaultExtensionProvider : public
BaseExtensionProvider {
named_tap_rel.name(),
std::move(renamed_schema)));
return RelationInfo{{std::move(decl), std::move(renamed_schema)},
std::nullopt};
}
+
+ Result<RelationInfo> MakeSegmentedAggregateRel(
+ const ConversionOptions& conv_opts, const std::vector<DeclarationInfo>&
inputs,
+ const substrait_ext::SegmentedAggregateRel& seg_agg_rel,
+ const ExtensionSet& ext_set) {
+ if (inputs.size() != 1) {
Review Comment:
When `SegmentedAggregateRel` is used, the input relation is expressed under
it while the `AggregateRel` within it will have no input (this is validated
for) because it is not an actual relation at the Substrait plan level.
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