rtpsw commented on code in PR #34627:
URL: https://github.com/apache/arrow/pull/34627#discussion_r1147823000
##########
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) {
+ return Status::Invalid(
+ "substrait_ext::SegmentedAggregateRel requires a single input but
got: ",
+ inputs.size());
+ }
+
+ auto input_schema = inputs[0].output_schema;
+
+ ConversionOptions conversion_options;
+
+ // store segment key fields to be used when output schema is created
+ std::vector<int> segment_key_field_ids;
+ std::vector<FieldRef> segment_keys;
+ if (seg_agg_rel.segment_groupings_size() > 0) {
+ ARROW_RETURN_NOT_OK(internal::ParseAggregateGrouping(
+ seg_agg_rel.segment_groupings(0), ext_set, conversion_options,
input_schema,
+ &segment_key_field_ids, &segment_keys));
+ }
+
+ const auto& aggregate = seg_agg_rel.aggregate();
+ ARROW_ASSIGN_OR_RAISE(
+ auto decl_info,
+ internal::ParseAggregateDeclaration(
Review Comment:
Fixed.
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