vibhatha commented on code in PR #14186: URL: https://github.com/apache/arrow/pull/14186#discussion_r979327493
########## cpp/src/arrow/engine/substrait/relation_internal.cc: ########## @@ -541,6 +542,64 @@ Result<DeclarationInfo> FromProto(const substrait::Rel& rel, const ExtensionSet& std::move(aggregate_schema)); } + case substrait::Rel::RelTypeCase::kSet: { + const auto& set = rel.set(); + RETURN_NOT_OK(CheckRelCommon(set)); + + if (set.inputs_size() < 2) { + return Status::Invalid( + "substrait::SetRel with inadequate number of input relations, ", + set.inputs_size()); + } + substrait::SetRel_SetOp op = set.op(); + // Note: at the moment Acero only supports UNION_ALL operation + switch (op) { + case substrait::SetRel::SET_OP_UNSPECIFIED: + return Status::NotImplemented( + "NotImplemented union type : ", + EnumToString(op, substrait::SetRel_SetOp_descriptor())); Review Comment: Ah yes -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org