Does postgresql have a way to determine if a query or view column is a computed column. What I mean by that is if say column c in the query or view is a result of say a + b as c or do_function() as c. If not a follow up question would be, is it bad convention then to name column c as c_calc and the _calc part more or less is just a flag? Vang P. Yang Advanced Planning Tech, Inc. West Salem, WI 54669 (608) 786-1215
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