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the bulk of the heavy lifting ...
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the new timetravel.c,
new timetravel.README (cut from spi/README and modified),
modified timetravel.sql.in
and modified timetravel.example.
Features:
- optionally 3 parameter for insert/update/delete user name
- work with CREATE UNIQUE INDEX ixxx on table xxx
(unique_field,time_off);
(the original version was work with unique index on 6.5.0-6.5.3,
and not work on 7.3.2,7.3.3)
(before 6.5.0 and between 6.5.3 and 7.3.2 I dont know)
- get_timetravel(tablename) function for check timetravel-status.
- timetravel trigger not change oid of the active record. (it is not a
good feature, because the old version is automatice prevent the paralel
update with "where oid=nnn")
B?jthe Zolt?n
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>>ISTM that "source" is worth knowing.
>
> Hm, possibly. Any other opinions?
This version has the seven fields I proposed, including "source". Here's
an example that shows why I think it's valuable:
regression=# \x
Expanded display is on.
regression=# select * from pg_settings where name = 'enable_seqscan';
-[ RECORD 1 ]-----------
name | enable_seqscan
setting | on
context | user
vartype | bool
source | default
min_val |
max_val |
regression=# update pg_settings set setting = 'off' where name =
'enable_seqscan';
-[ RECORD 1 ]---
set_config | off
regression=# select * from pg_settings where name = 'enable_seqscan';
-[ RECORD 1 ]-----------
name | enable_seqscan
setting | off
context | user
vartype | bool
source | session
min_val |
max_val |
regression=# alter user postgres set enable_seqscan to 'off';
ALTER USER
(log out and then back in again)
regression=# \x
Expanded display is on.
regression=# select * from pg_settings where name = 'enable_seqscan';
-[ RECORD 1 ]-----------
name | enable_seqscan
setting | off
context | user
vartype | bool
source | user
min_val |
max_val |
In the first case, enable_seqscan is set to its default value. After
setting it to off, it is obvious that the value has been changed for the
session only. In the third case, you can see that the value has been set
specifically for the user.
Joe Conway
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>>Sounds like all that's needed for your case. But to be complete, in
>>addition to changing tablefunc.c we'd have to:
>>1) come up with a new function call signature that makes sense and does
>>not cause backward compatibility problems for other people
>>2) make needed changes to tablefunc.sql.in
>>3) adjust the README.tablefunc appropriately
>>4) adjust the regression test for new functionality
>>5) be sure we don't break any of the old cases
>>
>>If you want to submit a complete patch, it would be gratefully accepted
>>-- for review at least ;-)
>
> Here's the patch, at least for steps 1-3
Nabil Sayegh
Joe Conway
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annoyed me the other day while I was documenting my current project. It
makes pg_dump use the same layout for types as for tables, by putting "\n\t"
before the first field and "\n" before the final ");"
Can't really justify this too much except to say I had an itch and I
scratched it ;-)
Andrew Dunstan
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psql4win32.patch - changes in the psql source code
psql-ref.patch - changes in the documentation psql-ref.sgml
(for new builtin variable WIN32_CONSOLE)
To apply them use "patch -p 1" in the root directory of the
postgres source directory.
These patches fix the following problems of psql on Win32
(all changes only have effect #ifdef WIN32):
a) Problem: Static library libpq.a did not work
Solution: Added WSAStartup() in fe-connect.c
b) Problem: Secret Password was echoed by psql
Solution: Password echoing disabled in sprompt.c
c) Problem: 8bit characters were displayed/interpreted wrong in psql
This is due to the fact that the Win32 "console" uses a
different encoding than the rest of the Windows system
Solution: Introduced a new psql variable WIN32_CONSOLE
When set with "\set WIN32_console", the function OemToChar()
is applied after reading input and CharToOem() before
displaying Output
Christoph Dalitz
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tested on both redhat 8 and FreebSD.
--
Mike Nolan
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that the regression tests for foreign keys didn't seem to test
a deferred constraint that was not satisified by a later
statement and was not made immediate by set constraints,
so here's a simple added test with a single invalid insert and
a commit.
Stephan Szabo
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>>that you cannot change the value, similar to the argument variables:
>
> Perhaps you shouldn't mark it isconst; then it would actually have some
> usefulness (you could use it directly as a temporary variable to hold
> the intended result). I can't see much value in aliasing it if it's
> const, either.
OK; the only change in this version is "isconst = false;". Now you can
use $0 as a result placeholder if desired. E.g.:
create or replace function tmp(anyelement, anyelement) returns anyarray as '
declare
v_ret alias for $0;
v_el1 alias for $1;
v_el2 alias for $2;
begin
v_ret := ARRAY[v_el1, v_el2];
return v_ret;
end;
' language 'plpgsql';
create table f(f1 text, f2 text, f3 int, f4 int);
insert into f values ('a','b',1,2);
insert into f values ('z','x',3,4);
select tmp(f1,f2) from f;
select tmp(f3,f4) from f;
Joe Conway
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Slawomir Sudnik
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doing '2003-07-30' -> '2003-04-01', '2003-11-30' ->'2003-07-01'
B?jthe Zolt?n
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modes (and replace the requiressl boolean). The four options were first
spelled out by Magnus Hagander <mha@sollentuna.net> on 2000-08-23 in email
to pgsql-hackers, archived here:
http://archives.postgresql.org/pgsql-hackers/2000-08/msg00639.php
My original less-flexible patch and the ensuing thread are archived at:
http://dbforums.com/t623845.html
Attached is a new patch, including documentation.
To sum up, there's a new client parameter "sslmode" and environment
variable "PGSSLMODE", with these options:
sslmode description
------- -----------
disable Unencrypted non-SSL only
allow Negotiate, prefer non-SSL
prefer Negotiate, prefer SSL (default)
require Require SSL
The only change to the server is a new pg_hba.conf line type,
"hostnossl", for specifying connections that are not allowed to use SSL
(for example, to prevent servers on a local network from accidentally
using SSL and wasting cycles). Thus the 3 pg_hba.conf line types are:
pg_hba.conf line types
----------------------
host applies to either SSL or regular connections
hostssl applies only to SSL connections
hostnossl applies only to regular connections
These client and server options, the postgresql.conf ssl = false option,
and finally the possibility of compiling with no SSL support at all,
make quite a range of combinations to test. I threw together a test
script to try many of them out. It's in a separate tarball with its
config files, a patch to psql so it'll announce SSL connections even in
absence of a tty, and the test output. The test is especially informative
when run on the same tty the postmaster was started on, so the FATAL:
errors during negotiation are interleaved with the psql client output.
I saw Tom write that new submissions for 7.4 have to be in before midnight
local time, and since I'm on the east coast in the US, this just makes it
in before the bell. :)
Jon Jensen
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look ... I'm not real certain which errors are strictly internal and which
are likely to be provoked by users.
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> * -Allow SSL-enabled clients to turn off SSL transfers
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print.c: Add one more line to pager calculation to account for the prompt.
help.c: Call PageOutput with correct number of lines within slashUsage
Add one to line count in helpSQL to account for "Available help:" line.
Make copyright match COPYRIGHT file. (Just "1994")
Greg Sabino Mullane
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> thought that I would see if I could come up with a simple solution, and
> have my first delve into the code for PostgreSQL.
>
> Attached is a diff against 7.3.3 source, of changes to describe.c for
> psql. This should print out a list of parent tables in a similar style
> to that of the index listing. I have done some testing on my side and it
> all seems fine, can some other people have a quick look? What do people
> think? Useful?
Nick Barr
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dropped columns. Fix by using LEFT JOIN rather than straight join
between pg_attribute and pg_type. Also, use pg_type.oid as input to
format_type, so that we don't get a failure on deleted types of deleted
columns (this may be a change we ought to backpatch to 7.3....).
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Alias the appropriate columns back to their original name.
Fixed formatting of a few other places as I went along (indenting)
--
Rod Taylor <rbt@rbt.ca>
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> > It seems that readline() on my system (FreeBSD 4.8) isn't declared to
> > take the prompt as a const. Thus, remove const from gets_interactive()
> > to remove the warning.
>
> I think it would be a lot cleaner to just put a cast to char * into the
> readline call (with a note about why).
Ok.. that works.
I must say it's a little strange being able to take a constant and say
its no longer constant anymore -- but I suppose it's no different than
defining then undefining pre-processor constants.
Rod Taylor <rbt@rbt.ca>
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* Repair breakage in timestamp-to-date conversion for dates before 2000
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and Dmitry Tkach. Specifically the previous fix still allowed the statement termination character through in unquoted places in the sql statement, and the driver never correctly handled someone passing a value of \0 in a string which under the v2 protocol would end the statement causing the following text to possibly
be treated as a new sql statement
Modified Files:
jdbc/org/postgresql/Driver.java.in
jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java
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was modified for IPv6. Use a robust definition of struct sockaddr_storage,
do a proper configure test to see if ss_len exists, don't assume that
getnameinfo() will handle AF_UNIX sockets, don't trust getaddrinfo to
return the protocol we ask for, etc. This incorporates several outstanding
patches from Kurt Roeckx, but I'm to blame for anything that doesn't
work ...
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Prevent rare possibility of server startup failure (Tom)
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> * Add GUC variable to prevent waiting on locks
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Ian Barwick
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