Re: CRCs - Mailing list pgsql-hackers

From Tom Lane
Subject Re: CRCs
Date
Msg-id 14414.979446030@sss.pgh.pa.us
Whole thread Raw
In response to Re: CRCs  (ncm@zembu.com (Nathan Myers))
List pgsql-hackers
ncm@zembu.com (Nathan Myers) writes:
>> Instead of a partial row CRC, we could just as well use some other bit
>> of identifying information, say the row OID.   ...

> Good.  But, wouldn't the TID be more specific?

Uh, the TID *is* the pointer from index to heap.  There's no redundancy
that way.

> Would this check be simple enough to be safe for 7.1? 

It'd probably be safe, but adding OIDs to index tuples would force an
initdb, which I'd rather avoid at this stage of the cycle.
        regards, tom lane


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