One thing users will lose in this patch is the ability to reliably see if a 
tuple is frozen via SQL. Today you can do that just by selecting xmin from the 

Obviously people don't generally need to do that... but it's one of those 
things that when you do need it it's incredibly handy to have... would it be 
difficult to expose infomask(2) via SQL, the same way xmin et all are?
Jim C. Nasby, Data Architect             
512.569.9461 (cell)               

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