message: only rewrite INNER delim joins
diff: @@ -52,6 +52,11 @@ void UnnestRewriter::FindCandidates(unique_ptr<LogicalOperator> *op_ptr,
  // found a delim join
  auto &delim_join = (LogicalDelimJoin &)*op->children[0];
  + // only support INNER joins
  + if (delim_join.join_type != JoinType::INNER) {
  + return;
  + }
  +
  // TODO: also support joins with more than the default condition?
  // delim join must have exactly one condition
  if (delim_join.conditions.size() != 1) {
  