Dave Cramer [Sat, 9 Mar 2002 17:36:14 +0000 (17:36 +0000)]
Added a check for not calling next() before getting objects from the result set,
moved the check for columnIndex into same call
check at the top of all getXXX
added appropriate error
Tom Lane [Sat, 9 Mar 2002 17:35:37 +0000 (17:35 +0000)]
Code review for improved-hashing patch. Fix some portability issues
(char != unsigned char, Datum != uint32); make use of new hash code in
dynahash hash tables and hash joins.
Dave Cramer [Sat, 9 Mar 2002 17:08:39 +0000 (17:08 +0000)]
Here is a small patch that cleans up some error reporting in the JDBC driver. PSQLExceptions are thrown instead of SQLExceptions and if a warning is received while waiting for the backend secret key, that warning is chained to the new Connection object instead of generating an exception. A couple new error messages have been added.
Bruce Momjian [Sat, 9 Mar 2002 05:11:38 +0000 (05:11 +0000)]
Wording improvements to runtime.sgml. Add mention in postgresql.conf
file that SIGHUP or "pg_ctl reload" are required for changes to take
affect on a running server.
Tom Lane [Fri, 8 Mar 2002 04:37:18 +0000 (04:37 +0000)]
Fix copying/equality-check bugs in GrantStmt and ConstraintsSetStmt,
per reports from Fernando Nasser. Also, rearrange order of declarations
in parsenodes.h as suggested by Fernando.
Bruce Momjian [Wed, 6 Mar 2002 20:49:46 +0000 (20:49 +0000)]
I've attached a patch which implements Bob Jenkin's hash function for
PostgreSQL. This hash function replaces the one used by hash indexes and
the catalog cache. Hash joins use a different, relatively poor-quality
hash function, but I'll fix that later.
As suggested by Tom Lane, this patch also changes the size of the fixed
hash table used by the catalog cache to be a power-of-2 (instead of a
prime: I chose 256 instead of 257). This allows the catcache to lookup
hash buckets using a simple bitmask. This should improve the performance
of the catalog cache slightly, since the previous method (modulo a
prime) was slow.
In my tests, this improves the performance of hash indexes by between 4%
and 8%; the performance when using btree indexes or seqscans is
basically unchanged.
Bruce Momjian [Wed, 6 Mar 2002 20:48:42 +0000 (20:48 +0000)]
Enable ALTER TABLE ADD PRIMARY KEY for pg_dump, for performance reasons
so index is not on table during COPY.
> > AFAICT, the patch I posted to -patches a little while to enable the
> > usage of ALTER TABLE ADD PRIMARY KEY by pg_dump hasn't been applied, nor
> > is it in the unapplied patches list. I was under the impression that
> > this was in the queue for application -- did it just get lost?
Bruce Momjian [Wed, 6 Mar 2002 20:39:45 +0000 (20:39 +0000)]
Here is a diff of changes to the psql source code implementing a simple
'list domains' command '\dD'. This is the interface component of
rbt@zort.ca's domain backend modifications.
Bruce Momjian [Wed, 6 Mar 2002 20:35:02 +0000 (20:35 +0000)]
Ok. Updated patch attached.
- domain.patch -> source patch against pgsql in cvs
- drop_domain.sgml and create_domain.sgml -> New doc/src/sgml/ref docs
- dominfo.txt -> basic domain related queries I used for testing
[ ADDED TO /doc]
Enables domains of array elements -> CREATE DOMAIN dom int4[3][2];
Uses a typbasetype column to describe the origin of the domain.
Copies data to attnotnull rather than processing in execMain().
Some documentation differences from earlier.
If this is approved, I'll start working on pg_dump, and a \dD <domain>
option in psql, and regression tests. I don't really feel like doing
those until the system table structure settles for pg_type.
CHECKS when added, will also be copied to to the table attributes. FK
Constraints (if I ever figure out how) will be done similarly. Both
will lbe handled by MergeDomainAttributes() which is called shortly
before MergeAttributes().
Bruce Momjian [Wed, 6 Mar 2002 06:10:59 +0000 (06:10 +0000)]
Change made to elog:
o Change all current CVS messages of NOTICE to WARNING. We were going
to do this just before 7.3 beta but it has to be done now, as you will
see below.
o Change current INFO messages that should be controlled by
client_min_messages to NOTICE.
o Force remaining INFO messages, like from EXPLAIN, VACUUM VERBOSE, etc.
to always go to the client.
o Remove INFO from the client_min_messages options and add NOTICE.
Seems we do need three non-ERROR elog levels to handle the various
behaviors we need for these messages.
Bruce Momjian [Tue, 5 Mar 2002 17:55:23 +0000 (17:55 +0000)]
At this moment, --enable-debug adds debugging information to most of the
parts o f postgresql. The jdbc drivers are never compiled with debugging
support. This p atch make sure that debugging information is added to
the jdbc jar when the --en able-debug is added. This was usefull for me
for debugging some java jdbc poolin g objects but this might perhaps be
usefull for other people too?
Bruce Momjian [Tue, 5 Mar 2002 06:10:28 +0000 (06:10 +0000)]
Please, apply attached patch for contrib/tsearch to 7.2.1 and current
CVS. It fix english stemmer's problem with ending words like
'technology'.
We have found one more bug in english stemmer. The bug is with
'irregular' english words like 'skies' -> 'sky'. Please, apply attached
cumulative patch to 7.2.1 and current CVS instead previous one.
Thank to Thomas T. Thai <tom@minnesota.com> for hard testing. This kind
of bug has significance only for dump/reload database and viewing, but
searching/indexing works right.
Bruce Momjian [Tue, 5 Mar 2002 05:54:07 +0000 (05:54 +0000)]
Currently, contrib/oid2name doesn't bother to free() the memory that it
malloc()'s. This isn't too serious (because oid2name is a short-lived
utility, so the memory will soon be returned to the OS on process
termination), but I still think it's poor style.
This patch changes oid2name so that it allocates memory on the stack
where possible and free()s the remaining heap-allocated memory. The
patch also fixes a typo a comment and adds 'const' qualifiers to a few
'char *' function parameters.
Bruce Momjian [Tue, 5 Mar 2002 05:52:50 +0000 (05:52 +0000)]
> Tatsuo Ishii wrote:
> > > > It was made to cope with encoding such as an Asian bloc in 7.2Beta2.
> > > >
> > > > Added ServerEncoding
> > > > Korean (JOHAB), Thai (WIN874),
> > > > Vietnamese (TCVN), Arabic (WIN1256)
> > > >
> > > > Added ClientEncoding
> > > > Simplified Chinese (GBK), Korean (UHC)
> > > >
> > > >
> > > >
> http://www.sankyo-unyu.co.jp/Pool/postgresql-7.2b2.newencoding.diff.tar.gz
> > > > (608K)
> > >
> > > Looks good. I need some people to review this for me.
> >
> > For me they look good too. The only missing part is a
> > documentation. I will ask him to write it up. If he couldn't, I will
> > do it for him.
> > > The diff is 3mb
> > > but appears to address only additions to multibyte. I have attached a
> > > list of files it modifies. Also, look at the sizes of the mb/
> > > directory. It is getting large:
> > >
> > > 4 ./CVS
> > > 6 ./Unicode/CVS
> > > 3433 ./Unicode
> > > 6197 .
> >
> > Yes. We definitely need the on-the-fly encoding addition capability:
> > i.e. CREATE CHRACTER SET in the future...
> > --
> > Tatsuo Ishii
> >
> >
Bruce Momjian [Tue, 5 Mar 2002 05:33:31 +0000 (05:33 +0000)]
I attach a version of my toast-slicing patch, against current CVS
(current as of a few hours ago.)
This patch:
1. Adds PG_GETARG_xxx_P_SLICE() macros and associated support routines.
2. Adds routines in src/backend/access/tuptoaster.c for fetching only
necessary chunks of a toasted value. (Modelled on latest changes to
assume chunks are returned in order).
3. Amends text_substr and bytea_substr to use new methods. It now
handles multibyte cases -and should still lead to a performance
improvement in the multibyte case where the substring is near the
beginning of the string.
4. Added new command: ALTER TABLE tabname ALTER COLUMN colname SET
STORAGE {PLAIN | EXTERNAL | EXTENDED | MAIN} to parser and documented in
alter-table.sgml. (NB I used ColId as the item type for the storage
mode string, rather than a new production - I hope this makes sense!).
All this does is sets attstorage for the specified column.
4. AlterTableAlterColumnStatistics is now AlterTableAlterColumnFlags and
handles both statistics and storage (it uses the subtype code to
distinguish). The previous version of my patch also re-arranged other
code in backend/commands/command.c but I have dropped that from this
patch.(I plan to return to it separately).
5. Documented new macros (and also the PG_GETARG_xxx_P_COPY macros) in
xfunc.sgml. ref/alter_table.sgml also contains documentation for ALTER
COLUMN SET STORAGE.
Bruce Momjian [Tue, 5 Mar 2002 05:30:40 +0000 (05:30 +0000)]
I was digging through the GiST code, and figured I'd fix up some of the
"bad smell" in that code. Stuff like function parameters that aren't
used, typos in the comments, comparison between signed and unsigned
ints, etc.
Attached is a pretty trivial patch; it compiles, but beyond that
completely untested. Unless anyone sees any problems, please apply for
7.3.
Bruce Momjian [Tue, 5 Mar 2002 05:20:12 +0000 (05:20 +0000)]
Here's a patch against 7.1.3 that fixes a problem with sending larger
queries over non-blocking connections with libpq. "Larger" here
basically means that it doesn't fit into the output buffer.
The basic strategy is to fix pqFlush and pqPutBytes.
The problem with pqFlush as it stands now is that it returns EOF when an
error occurs or when not all data could be sent. The latter case is
clearly not an error for a non-blocking connection but the caller can't
distringuish it from an error very well.
The first part of the fix is therefore to fix pqFlush. This is done by
to renaming it to pqSendSome which only differs from pqFlush in its
return values to allow the caller to make the above distinction and a
new pqFlush which is implemented in terms of pqSendSome and behaves
exactly like the old pqFlush.
The second part of the fix modifies pqPutBytes to use pqSendSome instead
of pqFlush and to either send all the data or if not all data can be
sent on a non-blocking connection to at least put all data into the
output buffer, enlarging it if necessary. The callers of pqPutBytes
don't have to be changed because from their point of view pqPutBytes
behaves like before. It either succeeds in queueing all output data or
fails with an error.
I've also added a new API function PQsendSome which analogously to
PQflush just calls pqSendSome. Programs using non-blocking queries
should use this new function. The main difference is that this function
will have to be called repeatedly (calling select() properly in between)
until all data has been written.
AFAICT, the code in CVS HEAD hasn't changed with respect to non-blocking
queries and this fix should work there, too, but I haven't tested that
yet.
Tom Lane [Tue, 5 Mar 2002 05:10:24 +0000 (05:10 +0000)]
Previous patch to mark UNION outputs with common typmod (if any) breaks
three-or-more-way UNIONs, as per example from Josh Berkus. Cause is a
fragile assumption that one tlist's entries will exactly match another.
Restructure code to make that assumption a little less fragile.
Bruce Momjian [Tue, 5 Mar 2002 02:01:44 +0000 (02:01 +0000)]
Back out python patch:
Elliot Lee wrote:
> This patch to the python bindings adds C versions of the often-used
query
> args quoting routines, as well as support for quoting lists e.g.
> dbc.execute("SELECT * FROM foo WHERE blah IN %s", ([1,2,3],))
Bruce Momjian [Tue, 5 Mar 2002 00:23:13 +0000 (00:23 +0000)]
This patch to the python bindings adds C versions of the often-used
query args quoting routines, as well as support for quoting lists e.g.
dbc.execute("SELECT * FROM foo WHERE blah IN %s", ([1,2,3],))
Tom Lane [Mon, 4 Mar 2002 05:17:55 +0000 (05:17 +0000)]
Fix very ancient breakage in alter-table tests: apparently, there was a
type named 'dt' back in Postgres 4.2, and the regression test wasn't
updated when it was removed. Per report from Patricia Holben of Great
Bridge.
Tom Lane [Mon, 4 Mar 2002 04:45:27 +0000 (04:45 +0000)]
If presented db path has a trailing slash, remove it to avoid generating
double slashes in generated filenames. This is not strictly necessary
on standard Unixen, but I'm being a neatnik...
Tatsuo Ishii [Mon, 4 Mar 2002 03:55:50 +0000 (03:55 +0000)]
Fix bug in extract/date_part for milliseconds/miscroseconds and
timestamp/timestamptz combo. Now extract/date_part returns
seconds*1000 or 1000000 + fraction part as the manual stats.
regression test are also fixed.
Tom Lane [Mon, 4 Mar 2002 01:46:04 +0000 (01:46 +0000)]
Further work on elog cleanup: fix some bogosities in elog's logic about
when to send what to which, prevent recursion by introducing new COMMERROR
elog level for client-communication problems, get rid of direct writes
to stderr in backend/libpq files, prevent non-error elogs from going to
client during the authentication cycle.
Tom Lane [Sun, 3 Mar 2002 17:47:56 +0000 (17:47 +0000)]
Catcaches can now store negative entries as well as positive ones, to
speed up repetitive failed searches; per pghackers discussion in late
January. inval.c logic substantially simplified, since we can now treat
inserts and deletes alike as far as inval events are concerned. Some
repair work needed in heap_create_with_catalog, which turns out to have
been doing CommandCounterIncrement at a point where the new relation has
non-self-consistent catalog entries. With the new inval code, that
resulted in assert failures during a relcache entry rebuild.
Bruce Momjian [Sat, 2 Mar 2002 21:39:36 +0000 (21:39 +0000)]
Commit to match discussed elog() changes. Only update is that LOG is
now just below FATAL in server_min_messages. Added more text to
highlight ordering difference between it and client_min_messages.
REALLYFATAL => PANIC
STOP => PANIC
New INFO level the prints to client by default
New LOG level the prints to server log by default
Cause VACUUM information to print only to the client
NOTICE => INFO where purely information messages are sent
DEBUG => LOG for purely server status messages
DEBUG removed, kept as backward compatible
DEBUG5, DEBUG4, DEBUG3, DEBUG2, DEBUG1 added
DebugLvl removed in favor of new DEBUG[1-5] symbols
New server_min_messages GUC parameter with values:
DEBUG[5-1], INFO, NOTICE, ERROR, LOG, FATAL, PANIC
New client_min_messages GUC parameter with values:
DEBUG[5-1], LOG, INFO, NOTICE, ERROR, FATAL, PANIC
Server startup now logged with LOG instead of DEBUG
Remove debug_level GUC parameter
elog() numbers now start at 10
Add test to print error message if older elog() values are passed to elog()
Bootstrap mode now has a -d that requires an argument, like postmaster
Tom Lane [Sat, 2 Mar 2002 20:46:12 +0000 (20:46 +0000)]
Add code to allow profiling of backends on Linux: save and restore the
profiling timer setting across fork(). The correct way to build a
profilable backend on Linux is now gmake PROFILE="-pg -DLINUX_PROFILE"
Tom Lane [Sat, 2 Mar 2002 00:49:22 +0000 (00:49 +0000)]
Don't bother to request SSL connection over a Unix socket, since the
postmaster won't accept the request anyway. (If your kernel can't
be trusted, SSL will not help you.)
Tom Lane [Sat, 2 Mar 2002 00:34:24 +0000 (00:34 +0000)]
Array slice extraction should produce a result array with index lower
bounds of 1, not the lower bound subscripts of the original slice.
Per bug report from Andre Holzner, 1-Feb-02.
Tom Lane [Fri, 1 Mar 2002 04:09:28 +0000 (04:09 +0000)]
Teach planner about the idea that a mergejoin won't necessarily read
both input streams to the end. If one variable's range is much less
than the other, an indexscan-based merge can win by not scanning all
of the other table. Per example from Reinhard Max.