Re: [PATCHES] [subxacts] Fixing TODO items

2004-07-28 Thread Alvaro Herrera
On Tue, Jul 27, 2004 at 01:32:01PM -0400, Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: There are some likely controversial changes; the Xid caches, in the first place. No kidding ;-) Do you have any theoretical or practical evidence for the usefulness of the negxids cache?

Re: [PATCHES] [subxacts] Fixing TODO items

2004-07-28 Thread Alvaro Herrera
On Tue, Jul 27, 2004 at 01:32:01PM -0400, Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: There are some likely controversial changes; the Xid caches, in the first place. No kidding ;-) Ok, here is another try. This patch includes both the Xid cache rewrite, source documentation

Re: [PATCHES] [subxacts] Fixing TODO items

2004-07-27 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: Nesting level report via a ParameterStatus message sent just before ReadyForQuery (Z message). Hasn't this really been obsoleted by events? In the SAVEPOINT world I doubt that it's needed. regards, tom lane

Re: [PATCHES] [subxacts] Fixing TODO items

2004-07-27 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: Here is a patch that fixes some of the TODO items in the nested xacts list: handle large objects On the large-objects stuff: it seems like a really bad idea to be fooling with CurrentResourceOwner like that. What that means is that if a subtransaction

Re: [PATCHES] [subxacts] Fixing TODO items

2004-07-27 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: There are some likely controversial changes; the Xid caches, in the first place. No kidding ;-) Do you have any theoretical or practical evidence for the usefulness of the negxids cache? Seems to me the shared memory space would be better spent on