lgbo-ustc commented on code in PR #8558:
URL: https://github.com/apache/incubator-gluten/pull/8558#discussion_r1953926608
##########
cpp-ch/local-engine/Rewriter/ExpressionRewriter.h:
##########
@@ -85,6 +85,24 @@ class GetJsonObjectFunctionWriter : public RelRewriter
}
}
}
+ String getJsonPathOfGetJSONObject(const
substrait::Expression_ScalarFunction & func)
+ {
+ String json_path = "";
+ for (size_t i = 1; i < func.arguments().size(); ++i)
+ {
+ auto json_path_pb = func.arguments(i).value();
+ if (!json_path_pb.has_literal() ||
!json_path_pb.literal().has_string())
+ {
+ break;
+ }
+ json_path += json_path_pb.literal().string();
+ if (i != func.arguments().size() - 1)
+ {
+ json_path += "#" ;
+ }
+ }
+ return json_path;
+ }
Review Comment:
How about more levels of netsted calls here? The disccussion should be given
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