bkietz commented on code in PR #14415:
URL: https://github.com/apache/arrow/pull/14415#discussion_r1022848852
##########
cpp/src/arrow/engine/substrait/expression_internal.cc:
##########
@@ -80,15 +69,31 @@ Status DecodeArg(const substrait::FunctionArgument& arg,
uint32_t idx,
return Status::OK();
}
+Status DecodeOption(const substrait::FunctionOption& opt, SubstraitCall* call)
{
+ std::vector<std::string_view> prefs;
+ if (opt.preference_size() == 0) {
+ return Status::Invalid("Invalid Substrait plan. The option ", opt.name(),
+ " is specified but does not list any choices");
+ }
+ for (const auto& preference : opt.preference()) {
+ prefs.push_back(preference);
+ }
+ call->SetOption(opt.name(), prefs);
Review Comment:
```suggestion
call->SetOption(opt.name(), std::move(prefs));
```
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