Carlos Costa <ccosta@xxxxxxxxx> writes:
> SELECT oid,xmin,xmax,ctid,id FROM articles WHERE id=391;
> oid | xmin | xmax | ctid | id
> ---------+-----------+-----------+----------+-----
> 3032469 | 152691945 | 152886684 | (104,6) | 391
> 3032469 | 152886687 | 156995994 | (104,13) | 391
> (2 rows)
Could we see cmin,cmax as well?
Since the OID is the same, these are evidently two versions of the same
row; somehow one of them didn't get marked dead when the other one was
created. What patterns of updating do you use on this table? Any
SELECT FOR UPDATE?
regards, tom lane
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