Re: [PR] [fix](operation_node)Replace structure to ensure same colRef can be save [doris]

[via GitHub]

TomaYoko commented on PR #28501:
URL: https://github.com/apache/doris/pull/28501#issuecomment-1859408758

   > <img alt="image" width="618" 
src="https://private-user-images.githubusercontent.com/9208457/291064929-26b4a44b-9913-46b2-87d3-537f1bba242c.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.9Fv0WADW9MSpr7CNowmc0vUXLrx3ke1ZtHSop4v96do";>
   > I explained the query plan, do you mean the c1 is the slot ref and the 
result column id is the same?
   > 
   > And could you try if SELECT expr(c1),expr(c1) FROM test_varchar1 MINUS 
select c2,c2 from test_date;? If we add an expression to c1 column, is there 
still any problem? @TomaYoko
   
   
https://github.com/apache/doris/blob/b06f3edcab2ac1ce5271c03280c906d150bd8eeb/be/src/vec/exec/vset_operation_node.cpp#L453C1-L454C51


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