Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Michael Meskes
On Thu, May 23, 2002 at 09:29:06AM -0700, Ulrich Drepper wrote: > On Thu, 2002-05-23 at 07:20, Michael Meskes wrote: > > > The glibc version in the soon to be released Woody > > release is 2.2.5. > > The version in RHL7.3 is 2.2.5-34. This is not what Debian uses. Maybe > you should read the

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Oliver Elphick
On Thu, 2002-05-23 at 15:20, Michael Meskes wrote: > On Wed, May 22, 2002 at 10:58:15AM -0700, Ulrich Drepper wrote: > > On Wed, 2002-05-22 at 10:51, Lamar Owen wrote: > > > > > What isn't funny is Oliver Elphick's results on Debian, running glibc 2.2.5 > > > (same as Red Hat 7.3's version). > >

Re: [HACKERS] ksqo?

2002-05-23 Thread Tom Lane
Neil Conway <[EMAIL PROTECTED]> writes: > Hmmm... Well, I'll take a look at it, but I'll probably just leave it > be -- since the optimization might actually return invalid results, it > doesn't seem like a very valuable thing to have, IMHO. Yeah, I never cared for the fact that it altered the se

Re: [HACKERS] ksqo?

2002-05-23 Thread Neil Conway
On Wed, 22 May 2002 18:03:07 -0400 "Tom Lane" <[EMAIL PROTECTED]> wrote: > Neil Conway <[EMAIL PROTECTED]> writes: > > The current KSQO code is currently #ifdef'ed out, and the 'ksqo' GUC > > variable does nothing. Is there a reason for keeping this code around? > > (or conversely, what was the o

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Marc G. Fournier
On Thu, 23 May 2002 [EMAIL PROTECTED] wrote: > > On 22 May 2002, Ulrich Drepper wrote: > > > > > On Wed, 2002-05-22 at 11:23, Tom Lane wrote: > > > > > > > Unix systems have > > > > *always* interpreted time_t as a signed offset from the epoch. > > > > > > No. This always was an accident if it h

Re: [HACKERS] Really stupid question(?)

2002-05-23 Thread Joe Conway
Bear Giles wrote: > The really stupid question refers to some of the hardcoded fallback > values in this code. The reason for having hardcoded values is to > prevent "downgrade" attacks - you don't want to casually override the > DBA, but you also don't want to make it easy for a knowledgeable >

Re: [HACKERS] Really stupid question(?)

2002-05-23 Thread Tom Lane
Bear Giles <[EMAIL PROTECTED]> writes: > But the problem is that knowledgeable security administrators can > replace the common hardcoded values with their own. How do you allow > this to be easily done? Configuration parameters? > One possibility that occured to me was that dynamic libraries w

[HACKERS] Really stupid question(?)

2002-05-23 Thread Bear Giles
I've been giving a lot of thought to some of the questions raised by my SSL patch, and have both a conclusion and a really stupid question. First, the conclusion is that what I'm working on is "secure sessions." As I mentioned before, that's not just encryption (e.g., SSH tunnels), but the combin

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread cbbrowne
> On 22 May 2002, Ulrich Drepper wrote: > > > On Wed, 2002-05-22 at 11:23, Tom Lane wrote: > > > > > Unix systems have > > > *always* interpreted time_t as a signed offset from the epoch. > > > > No. This always was an accident if it happens. > > > > > Do you > > > really think that when Unixen

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread cbbrowne
> --=-Z1lifK4QZqKV8kHqHfYT > Content-Type: text/plain > Content-Transfer-Encoding: quoted-printable > > On Wed, 2002-05-22 at 10:51, Lamar Owen wrote: > > > What isn't funny is Oliver Elphick's results on Debian, running glibc 2.2= > .5=20 > > (same as Red Hat 7.3's version). > > This is a comp

Re: [HACKERS] tuples gone?

2002-05-23 Thread Tom Lane
I said: > Daniel Kalchev <[EMAIL PROTECTED]> writes: >> NOTICE: Rel relx: TID 2344/5704: OID IS INVALID. TUPGONE 1. > You could try dumping out the contents of page 5704, eg BTW, I got the ordering backwards: VACUUM prints TIDs as page number and then tuple number. So actually all these compla

Re: [HACKERS] Edge case problem with pg_dump

2002-05-23 Thread Tom Lane
"D'Arcy J.M. Cain" <[EMAIL PROTECTED]> writes: > So who was it that wanted to make this change. Perhaps I can help. I forget who had volunteered to work on it, but it was several months ago and nothing's happened ... regards, tom lane ---(end of

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Marc G. Fournier
On 22 May 2002, Ulrich Drepper wrote: > On Wed, 2002-05-22 at 11:23, Tom Lane wrote: > > > Unix systems have > > *always* interpreted time_t as a signed offset from the epoch. > > No. This always was an accident if it happens. > > > Do you > > really think that when Unixen were first built in th

Re: [HACKERS] Edge case problem with pg_dump

2002-05-23 Thread D'Arcy J.M. Cain
* Tom Lane <[EMAIL PROTECTED]> [020523 10:24]: > "D'Arcy J.M. Cain" <[EMAIL PROTECTED]> writes: > > Do you mean issue COPY commands with fields or COPY out the fields in a > > specific order by using the extension in pg_dump? > > I intended that the dump scripts would say something like > >

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Marc G. Fournier
On 22 May 2002, Ulrich Drepper wrote: > On Wed, 2002-05-22 at 10:51, Lamar Owen wrote: > > > What isn't funny is Oliver Elphick's results on Debian, running glibc 2.2.5 > > (same as Red Hat 7.3's version). > > This is a completely different version. Once Debian updates (in a few > years) they'll

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Michael Meskes
On Wed, May 22, 2002 at 10:58:15AM -0700, Ulrich Drepper wrote: > On Wed, 2002-05-22 at 10:51, Lamar Owen wrote: > > > What isn't funny is Oliver Elphick's results on Debian, running glibc 2.2.5 > > (same as Red Hat 7.3's version). > > This is a completely different version. Once Debian update

Re: [HACKERS] tuples gone?

2002-05-23 Thread Tom Lane
Daniel Kalchev <[EMAIL PROTECTED]> writes: > VACUUM tells me: > NOTICE: Rel relx: TID 2344/5704: OID IS INVALID. TUPGONE 1. It's physically impossible to get 2344 tuples on a page. (If you're using 8k pages then the most you could have per page is less than 200.) So the above TID is obviously

Re: [HACKERS] Edge case problem with pg_dump

2002-05-23 Thread Tom Lane
"D'Arcy J.M. Cain" <[EMAIL PROTECTED]> writes: > On May 22, 2002 10:28 am, you wrote: >> Right now the only safe way to dump such a database is to use the >> inserts-with-explicit-column-names option. Someone was working on >> extending COPY to allow a column name list, and as soon as that gets >

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Ulrich Drepper
On Wed, 2002-05-22 at 11:23, Tom Lane wrote: > Unix systems have > *always* interpreted time_t as a signed offset from the epoch. No. This always was an accident if it happens. > Do you > really think that when Unixen were first built in the early 70s, there > was no interest in working with p

[HACKERS] Security policy

2002-05-23 Thread Bear Giles
It occurs to me that part of the problem with wasted and incomplete efforts can be fixed with a clear security policy. The part that I'm interested in is provided below, in a very truncated form. Secure Communications Channels -- Secure communications channels can b

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Ulrich Drepper
On Wed, 2002-05-22 at 10:51, Lamar Owen wrote: > What isn't funny is Oliver Elphick's results on Debian, running glibc 2.2.5 > (same as Red Hat 7.3's version). This is a completely different version. Once Debian updates (in a few years) they'll get the same result. If you are misusing interfa

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Ulrich Drepper
On Wed, 2002-05-22 at 08:00, Thomas Lockhart wrote: > ... > > > If so, can we get them to champion changes which would comply with the > > > standard but remove this arbitrary breakage? > > Unlikely. They already saw (and participated, at least Ulrich) a thread on > > this with Lamar. Their take i

Re: [HACKERS] Edge case problem with pg_dump

2002-05-23 Thread D'Arcy J.M. Cain
On May 22, 2002 10:28 am, you wrote: > Right now the only safe way to dump such a database is to use the > inserts-with-explicit-column-names option. Someone was working on > extending COPY to allow a column name list, and as soon as that gets > done I intend to change pg_dump to specify a column

[HACKERS] tuples gone?

2002-05-23 Thread Daniel Kalchev
Hi, I got an corrupted table,,, unfortunately with pretty important data :( VACUUM tells me: NOTICE: Rel relx: TID 2344/5704: OID IS INVALID. TUPGONE 1. NOTICE: Rel relx: TID 2344/5736: OID IS INVALID. TUPGONE 1. NOTICE: Rel relx: TID 2344/5768: OID IS INVALID. TUPGONE 1. (this, many times,

Re: [HACKERS] Redhat 7.3 time manipulation bug

2002-05-23 Thread Michael Meskes
On Thu, May 23, 2002 at 04:42:13AM +0200, Magnus Naeslund(f) wrote: > Some answers on database sizes, if this is any help... > I did "du -sh /usr/share/zoneinfo/" on them all. > > OpenBSD 3.1, sparc64: > 1.3M/usr/share/zoneinfo/ > > Linux, i686, oldish mandrake (6.x?), glibc 2.1.3: > 478k

[HACKERS] bison

2002-05-23 Thread Michael Meskes
Hi, I talked to one of the bison guys and he told me where to find a beta version of bison 1.49. And this one translates the grammar without a problem, no more table overflow. So once they will release the new bison we should be able to expand our grammar. Michael -- Michael Meskes [EMAIL PROTE