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Refactor ExpressionAnalyzer using visitor pattern, again

Open liyuheng55555 opened this issue 2 years ago • 0 comments

Add two kinds of ExpressionAnalyzeVisitor:

  • MergeVisitor: 4 subclasses
  • NoReturnValueVisitor: 2 subclasses Besides, add IdentifyOutputColumnTypeVisitor.

liyuheng55555 avatar Apr 07 '23 08:04 liyuheng55555