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Ken
-Original Message-
From: Chapman Flack [mailto:c...@anastigmatix.net]
Sent: Saturday
On Wed, Jul 9, 2008 at 3:35 AM, Martijn van Oosterhout
[EMAIL PROTECTED] wrote:
Just clarifying for myself: you are mostly listing theoretical problems
here, not actual I ran it and got regression failures problems, right?
Correct. This is why most of them point out that they are not
actually
very carefully to rediscover all the assumptions
behind the code? Unfortunately I would guess yes. This is going to
take much longer than I thought. But it's that or use MySQL, which
crashes whenever I load the data in.
-Ken
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not submitting it for inclusion yet. I'd like to
submit it first so that people can look over it.
-Ken
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as a native
x64 DLL. That didn't matter to me since I'm not using any of them
(yet), and I was happy just to see how easily postgres built.
-Ken
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On Wed, Jul 2, 2008 at 9:09 AM, Bernd Helmle [EMAIL PROTECTED] wrote:
--On Mittwoch, Juli 02, 2008 07:39:29 -0400 Ken Camann [EMAIL PROTECTED]
wrote:
I assume it would only really matter if you did this to
a pointer, and perhaps that is happening somewhere (but I doubt it
since postgres
used since I have no
other habits.
-Ken
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On Wed, Jul 2, 2008 at 8:43 PM, Tom Lane [EMAIL PROTECTED] wrote:
Ken Camann [EMAIL PROTECTED] writes:
Oh I see. Between this and looking again at the warning list, I see
that it will probably take a lot more work than I thought. There are
about 450 occurrences of the assumption that sizeof
On Thu, Jul 3, 2008 at 12:39 AM, Tom Lane [EMAIL PROTECTED] wrote:
Ken Camann [EMAIL PROTECTED] writes:
EMT64/AMD64 is new compared to the older architectures, I
would guess the older ones predate the time when it became a somewhat
de facto standard to leave long int at 4 bytes, and make long
?
Since I've been told V3 is prob. not doable, this question certainly
seems to match the 'Hackers' challenge/namesake :)
Thanks in advance,
ken
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on this, or if my
presumption that metatdata in the current V3 cannot be easily added too,
is wrong.
Thank you,
Ken
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Ken Ashcraft [EMAIL PROTECTED] writes:
I work at Coverity where we use static analysis to find bugs in
software. I ran a security checker over postgresql-7.4.1 and I think I
found a security hole.
In the code below, fld_size gets copied in from a user specified file.
It is passed
feedback,
Ken Ashcraft
In the code below, fld_size gets copied in from a user specified file.
It is passed as the 'needed' parameter to enlargeStringInfo(). If
needed is a very large positive value, the addition 'needed += str-len
+ 1;' could cause an overflow, making needed a negative number
.
So where can I report a potential security hole?
thanks,
Ken Ashcraft
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Merlin Moncure [EMAIL PROTECTED] wrote:
Greg Stark wrote:
imposed no such conditions. If Microsoft wanted to release a
Microsoft Postgresql under a completely proprietary license they
would be free
to do
I have often wondered, in a completely off-topic and unproductive sort
of way, if exactly
http://msdn.microsoft.com/library/en-us/dncode/html/secure10102002.asp
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Bruce Momjian [EMAIL PROTECTED] wrote:
Tom, can you clarify why -0 is valid. Is it for _small_ near zero
values that are indeed negative?
Branch Cuts for Complex Elementary Functions, or Much Ado About
Nothing's Sign Bit W. Kahan; ch. 7 in _The State of the Art in
Numerical Analysis_ ed.
I sent this yesterday, but it seems not to have made it to the list...
I have a couple of comments orthogonal to the present discussion.
1) It would be fairly easy to write log records over a network to a
dedicated process on another system. If the other system has an
uninterruptible
Thomas Lockhart wrote:
Right. I'm not certain about the regex syntax defined by SQL99; I used
the syntax that we already have enabled and it looks like we have a
couple of other variants available if we need them. If someone wants to
research the *actual* syntax specified by SQL99 that would
In addition, this seems to be the canonical paper on snapshot
isolation:
http://citeseer.nj.nec.com/berenson95critique.html
There is an excellent, more recent paper, Generalized Isolation Level
Definitions (http://citeseer.nj.nec.com/adya00generalized.html).
Justin Clift wrote:
if [ x$foo = x ]; then
This is the safest way. It prevents problems when $foo begins with with a
-
I don't know about your first question, though.
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Doug McNaught wrote:
You can pass open file descriptors across Unix domain sockets on most
systems, which is a possible way to address the problem, but probably
not worth it for the reasons discussed earlier.
I think that it does solve the problem. The only drawback is that it's not
Bruce Momjian wrote:
Tom Lane wrote:
Bruce Momjian [EMAIL PROTECTED] writes:
How hard would it be to pre-fork an extra backend
How are you going to pass the connection socket to an already-forked
child process? AFAIK there's no remotely portable way ...
No idea but it seemed like a
Tom Lane wrote:
This approach would only work as far as saving the fork() call itself,
not the backend setup time. Not sure it's worth the trouble. I doubt
that the fork itself is a huge component of our start time; it's setting
up all the catalog caches and so forth that's expensive.
On
http://anything.ca.org goes to the same IP address. It has nothing to do
with postgres
- Original Message -
From: Serguei Mokhov [EMAIL PROTECTED]
To: PostgreSQL Hackers [EMAIL PROTECTED]
Sent: Wednesday, September 19, 2001 8:57 AM
Subject: [HACKERS] [OT] http://www.postgresql.ca.org
Ian Lance Taylor [EMAIL PROTECTED] wrote:
Dwayne Miller [EMAIL PROTECTED] writes:
Well, for one I have no idea what cygwin is, or what it does to
your system, or what security vulnerabilities it might add to your
system. It comes with alot of stuff that I may or may not need, but
mlw [EMAIL PROTECTED] wrote:
Frank Ch. Eigler wrote:
: So a parser that can scan a DTD and make a usable create table (...)
: line would be very helpful. [...]
Hmm, but hierarchically structured documents such as XML don't map
well to a relational model. The former tend to be
log
metadata changes.
I don't have a machine with XFS installed and it will be at least a week
before I could get around to a build. Any volunteers?
Ken Hirsch
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http
Glomsrød [EMAIL PROTECTED] has volunteered to test on
XFS. The easier we make it, the more help we'll get.
Ken Hirsch
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.
There's also the Shore data manager. While not a complete SQL database,
I've wondered if it could actually be spliced into PostgreSQL, since the
licenses appear compatible.
http://www.cs.wisc.edu/shore/
Ken Hirsch
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Okay, you're right. I just updated my Ghostscript to 7.00 (just out) and it
produced very nice PDFs. I can upload them somewhere if you give me an FTP
address.
Ken Hirsch
- Original Message -
From: "Bruce Momjian" [EMAIL PROTECTED]
To: "Ken Hirsch" [EMAIL P
write the block.
Ken Hirsch
All your database are belong to us.
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From: "Bruce Momjian" [EMAIL PROTECTED]
Could anyone consider fork a syncer process to sync data to disk ?
build a shared sync queue, when a daemon process want to do sync after
write() is called, just put a sync request to the queue. this can
release
process from blocked on writing
The second parameter to "rtrim" is interpreted as a set of characters and
rtrim:
"Returns string with final characters removed after the last character not
in set"
So rtrim("center_out_opto", "_opto") returns
"center_ou"
because "u" is not in the set {o, p, t, _} but all the characters after
mailing list that mlock() was
a good way to insure the write-ahead condition.
Ken Hirsch
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a good way to insure the write-ahead condition.
Ken Hirsch
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