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Move from last test in list up to other "select_xxx" tests.
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I see someone missed an ancient bit of shell-scripting lore:
on some older shells, if your script's argument list is empty,
then "$@" generates an empty-string word rather than no word
at all. You need to write ${1+"$@"} to get the latter behavior.
(Read your shell man page to see exactly how that works,
but it does the Right Thing on every Bourne shell.)
In particular, pg_dumpall fails when invoked without any switches
on HPUX 9.*, because pg_dump gets an empty-string argument that it
thinks is the name of the database to dump. I expect this bug
also affects some other OSes, but couldn't tell you just which ones.
Patch attached.
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The attached patches respond to discussion that was on pgsql-hackers
around the beginning of June (see thread "libpgtcl bug (and symptomatic
treatment)"). The changes are:
1. Remove code in connectDB that throws away the password after making
a connection. This doesn't really add much security IMHO --- a bad guy
with access to your client's address space can likely extract the
password anyway, to say nothing of what he might do directly. And
there's the serious shortcoming that it prevents PQreset() from working
if the database requires a password.
2. Fix coredump problem: fe_sendauth did not guard against being handed
a NULL password pointer. (This is the proximate cause of the coredump-
during-PQreset problem that Magosanyi Arpad complained of last month.)
3. Remove highly questionable "error recovery" logic in libpgtcl's
pg_exec statement.
I believe the consensus of the discussion last month was in favor of
#1 and #3, but I'm just now getting around to making the change.
I realized that #2 was a bug in process of looking at the change.
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Attached are diffs (from current cvs sources) to bring libpq.sgml
and libpq.3 up to date.
It appears that at various times in the past, people have made edits to
one or the other of these files but not both. I propagated some changes
from each into the other, but I don't think I caught every
inconsistency. It'd be real nice if the man pages could be
automatically generated from the SGML...
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Making PQrequestCancel safe to call in a signal handler turned out to be
much easier than I feared. So here are the diffs.
Some notes:
* I modified the postmaster's packet "iodone" callback interface to allow
the callback routine to return a continue-or-drop-connection return
code; this was necessary to allow the connection to be closed after
receiving a Cancel, rather than proceeding to launch a new backend...
Being a neatnik, I also made the iodone proc have a typechecked
parameter list.
* I deleted all code I could find that had to do with OOB.
* I made some edits to ensure that all signals mentioned in the code
are referred to symbolically not by numbers ("SIGUSR2" not "2").
I think Bruce may have already done at least some of the same edits;
I hope that merging these patches is not too painful.
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in generated SQL code to preserve case (SQL92 syntax).
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Include tests for HAVING clause.
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Include tests for HAVING clause.
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Merge "resjunk" handling with automatic type conversion
when selecting from another column.
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Fix OID conflict between "line()" and "version()" by changing version OID.
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Used in the generic "CREATE xxx" parsing.
Do some automatic type conversion for inserts from other columns.
Previous trouble with "resjunk" regression test remains for now.
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At the moment, probably only works for i686/gcc and Alphas...
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My first try at libpq. This one enables the two styles we agreed upon for
database descriptors.
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+ Thu Jul 2 20:30:14 CEST 1998
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+ - Changed new style db name to allow connection types "tcp" and
+ "unix" only
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+ Tue Jul 7 15:14:14 CEST 1998
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+ - Fixed some bugs in preproc.y
+ - Set version to 2.3.4
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Through some minor changes, I have been able to compile the libpq
client libraries on the Win32 platform. Since the libpq communications
part has been rewritten, this has become much easier. Enclosed is
a patch that will allow at least Microsoft Visual C++ to compile
libpq into both a static and a dynamic library. I will take a look
at porting the psql frontend as well, but I figured it was a good
idea to send in these patches first - so no major changes are done
to the files before it gets applied (if it does).
Regards,
Magnus Hagander
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backend flowchart.
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shmem_exit to replace exitpg().
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