Github user viirya commented on the issue: https://github.com/apache/spark/pull/20043 @gczsjdy By this, we can easily know what the output is. Is it a global variable, a local variable or a literal? For now, we just get a string. It makes us hard to act according to the type of codegen output. It's also hard to search the codes to find out where we output global variable, local variable or literal, BTW.
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