Re: Not-so-open items - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Not-so-open items
Date
Msg-id 200609142046.k8EKkF301510@momjian.us
Whole thread Raw
In response to Re: Not-so-open items  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
OK, removed.

---------------------------------------------------------------------------

Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > Tom Lane wrote:
> >>> Store only active XIDs in subtransaction cache
> >> 
> >> Per my note just now, this probably should wait for 8.3.
> 
> > OK, added to TODO.
> 
> Actually, I realized this morning that there isn't anything there that
> the current code doesn't do already.  A subxact will never be assigned
> an XID in the first place unless it stores tuples into the database.
> (This means the do-I-need-to-do-something tests in
> RecordSubTransactionCommit and RecordSubTransactionAbort are pretty much
> redundant...)
> 
> So you might as well drop it from TODO --- perhaps there are variant
> ideas we could use, but I don't know what they are.
> 
>             regards, tom lane
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match

--  Bruce Momjian   bruce@momjian.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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