Tom Lane wrote:
Zdenek Kotala <[EMAIL PROTECTED]> writes:
There is new version of catalogs overview patch. This version add only one column into overview table which contains Oid/Filename for each catalog table. Oid information is important if someone need make relation with filename on disk and related catalog table.


I still say this is just confusing clutter.  The proposed patch even
goes so far as to give the OID pride of place as the most important
item you could possibly want to know about a catalog, which is surely
silly.

You have right that OID is not important information in many cases, but how I said It is useful when you want know relation between filename and catalog table.

People who actually want to know this information can look into the
pg_class catalog, which has the advantages of being complete (eg, it
covers indexes too), guaranteed up-to-date, and easily program-readable.
I really do not see the value of putting it in the sgml docs.

You can look into pg_class catalog only if database is running. If you have some data corruption problem, OID should help during recovery. But you have right, that pg_class have complex information and who want to "play" with datafiles, he must know more than OID.

        OK, thanks for response, forget to this patch

                Zdenek



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