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7635 Commits

Author SHA1 Message Date
Bruce Momjian
5b464e1196 Update Win32 FAQ HTML version to match corrected text version. 2007-04-13 20:00:10 +00:00
Neil Conway
85bbf01e08 Minor fixes for the EXPLAIN reference page. Mention the fact that 
EXPLAIN ANALYZE can sometimes be significantly slower than running
the same query normally, and make some minor markup improvements.
 2007-04-12 22:39:21 +00:00
Neil Conway
6df6d8e361 Fixes for RESET SESSION patch, per Alvaro. Fix a typo in the RESET 
ref page (sorry, my fault!), and simplify the coding of
ResetTempTableNamespace().
 2007-04-12 22:34:45 +00:00
Bruce Momjian
c0e42e9325 Done: 
> * -Add RESET SESSION command to reset all session state
 2007-04-12 19:38:26 +00:00
Neil Conway
d13e903bea RESET SESSION, plus related new DDL commands. Patch from Marko Kreen, 
reviewed by Neil Conway. This patch adds the following DDL command
variants: RESET SESSION, RESET TEMP, RESET PLANS, CLOSE ALL, and
DEALLOCATE ALL. RESET SESSION is intended for use by connection
pool software and the like, in order to reset a client session
to something close to its initial state.

Note that while most of these command variants can be executed
inside a transaction block (but are not transaction-aware!),
RESET SESSION cannot. While this is inconsistent, it is intended
to catch programmer mistakes: RESET SESSION in an open transaction
block is probably unintended.
 2007-04-12 06:53:49 +00:00
Bruce Momjian
e6e47f278d Update text, per Greg Stark: 
< 	o Allow single-byte header storage for arrays
> 	o Allow single-byte header storage for array elements
 2007-04-11 21:02:31 +00:00
Bruce Momjian
f7424b0d4b Add: 
> 	o Allow single-byte header storage for arrays
 2007-04-10 01:33:39 +00:00
Bruce Momjian
170fa82b1a Add: 
> 	o Have WITH CONSTRAINTS also create constraint indexes
> 	  http://archives.postgresql.org/pgsql-patches/2007-04/msg00149.php
 2007-04-10 01:22:12 +00:00
Bruce Momjian
485d9ca96f Add URL for: 
* Simplify ability to create partitioned tables
>   http://archives.postgresql.org/pgsql-hackers/2007-04/msg00151.php
 2007-04-09 21:18:29 +00:00
Bruce Momjian
bbed5ba914 Done: 
> 	o -Make CLUSTER preserve recently-dead tuples per MVCC requirements
 2007-04-08 02:17:02 +00:00
Tom Lane
e51ac1b899 Minor editorialization on CLUSTER reference page. 2007-04-08 02:07:35 +00:00
Bruce Momjian
c218c0bfda Done: 
> 	o -Add more logical syntax CLUSTER table USING index;
 2007-04-08 00:36:08 +00:00
Bruce Momjian
e55c8e36ae Support syntax "CLUSTER table USING index", which is more logical. 
Holger Schurig
 2007-04-08 00:26:34 +00:00
Tom Lane
d7e2de6629 Add note that TRUNCATE is not MVCC-safe. 2007-04-07 17:12:15 +00:00
Bruce Momjian
5695f38f74 Slight wording improvement. 2007-04-07 04:04:56 +00:00
Neil Conway
64ee1a8a55 Fix a few typos in the docs. 2007-04-07 03:58:08 +00:00
Bruce Momjian
8e0f8630a6 Remove example of SQL-standard syntax for GRANT/REVOKE --- was causing 
confusion.
 2007-04-07 03:48:25 +00:00
Bruce Momjian
5f3fbe14f3 In docs, Symetric -> Symmetric. 
Michael Fuhr
 2007-04-07 03:34:36 +00:00
Bruce Momjian
9af03980cf Done: 
> * -Allow use of indexes to search for NULLs
 2007-04-07 03:08:20 +00:00
Bruce Momjian
d6e3bb63cb Done: 
o -Support a smaller header for short variable-length fields
 2007-04-07 02:48:16 +00:00
Tom Lane
f02a82b6ad Make 'col IS NULL' clauses be indexable conditions. 
Teodor Sigaev, with some kibitzing from Tom Lane.
 2007-04-06 22:33:43 +00:00
Tom Lane
146c83c045 Fix some now-obsolete comments about the space used by various data 
types.
 2007-04-06 19:22:38 +00:00
Tom Lane
3e23b68dac Support varlena fields with single-byte headers and unaligned storage. 
This commit breaks any code that assumes that the mere act of forming a tuple
(without writing it to disk) does not "toast" any fields.  While all available
regression tests pass, I'm not totally sure that we've fixed every nook and
cranny, especially in contrib.

Greg Stark with some help from Tom Lane
 2007-04-06 04:21:44 +00:00
Bruce Momjian
bd097ccdd4 Add URL for: 
* Reduce WAL traffic so only modified values are written rather than
  entire rows
>
>   http://archives.postgresql.org/pgsql-hackers/2007-03/msg01589.php
>
 2007-04-05 02:08:53 +00:00
Bruce Momjian
43666e8216 Improve documentation/warning when --with-libxml is not used in the 
installation.
 2007-04-05 01:46:27 +00:00
Bruce Momjian
5dbd9c9c53 Re-add FAQ item 3.7 which was accidentally removed in previous commit: 
<H3 id="item3.7">3.7) What computer hardware should I use?</H3>
 2007-04-04 19:26:58 +00:00
Bruce Momjian
cd39718446 Document how to identify an invalid index after a failed CREATE INDEX 
CONCURRENTLY.

Gregory Stark
 2007-04-03 22:38:35 +00:00
Bruce Momjian
fb4279e99c Done: 
> 		o -Allow PL/PythonU to return boolean rather than 1/0
 2007-04-03 15:51:36 +00:00
Tom Lane
b3005276eb Decouple the values of TOAST_TUPLE_THRESHOLD and TOAST_MAX_CHUNK_SIZE. 
Add the latter to the values checked in pg_control, since it can't be changed
without invalidating toast table content.  This commit in itself shouldn't
change any behavior, but it lays some necessary groundwork for experimentation
with these toast-control numbers.

Note: while TOAST_TUPLE_THRESHOLD can now be changed without initdb, some
thought still needs to be given to needs_toast_table() in toasting.c before
unleashing random changes.
 2007-04-03 04:14:26 +00:00
Bruce Momjian
4fea0ca8f3 Update: 
< * Add transaction_idle_timeout GUC so locks are not held for long
> * Add idle_in_transaction_timeout GUC so locks are not held for long
 2007-04-03 04:12:00 +00:00
Bruce Momjian
d542bde900 Update: 
< * Add idle_timeout GUC so locks are not held for log periods of time
> * Add transaction_idle_timeout GUC so locks are not held for long
>   periods of time
 2007-04-03 02:17:11 +00:00
Bruce Momjian
401bc9cfcb Add: 
> * Allow all data types to cast to and from TEXT
>
>   http://archives.postgresql.org/pgsql-hackers/2007-04/msg00017.php
>
>
 2007-04-03 01:25:12 +00:00
Bruce Momjian
f4cc73731d Add: 
>
> * Add idle_timeout GUC so locks are not held for log periods of time
 2007-04-03 01:21:06 +00:00
Bruce Momjian
aa8fb12498 Add URL for: 
o Allow UPDATE tab SET ROW (col, ...) = (SELECT...)
<
> 	  http://archives.postgresql.org/pgsql-hackers/2007-03/msg00865.php
 2007-04-03 01:16:24 +00:00
Bruce Momjian
133d1d4f45 Add URL for: 
o Allow commenting of variables in postgresql.conf to restore them
          to defaults
> 	  http://archives.postgresql.org/pgsql-patches/2007-03/msg00180.php
 2007-04-02 23:25:20 +00:00
Bruce Momjian
5d8a23403f Add URL for: 
o Allow a warm standby system to also allow read-only
statements
            [pitr]
> 	    http://archives.postgresql.org/pgsql-hackers/2007-03/msg00050.php
 2007-04-02 22:50:19 +00:00
Bruce Momjian
17285959c1 Add URL for: 
* Improve speed with indexes

  For large table adjustments during VACUUM FULL, it is faster to cluster
  or reindex rather than update the index.  Also, index updates can bloat
  the index.

>
>   http://archives.postgresql.org/pgsql-hackers/2007-03/msg00024.php
 2007-04-02 22:49:03 +00:00
Bruce Momjian
3a7d66b48a Add: 
> 	o Have timestamp subtraction not call justify_hours()?
>
> 	  http://archives.postgresql.org/pgsql-sql/2006-10/msg00059.php
>
< 	o Add overflow checking to timestamp and interval arithmetic
> 	o Add overflow checking to timestamp and interval arithmetic
 2007-04-02 22:46:10 +00:00
Bruce Momjian
ffb27446cc Pl/python -> Pl/PythonU: 
< 		o Add table function support to pltcl, plpython
> 		o Add table function support to pltcl, plpythonu
< 		o Add PL/Python tracebacks
> 		o Add PL/PythonU tracebacks
< 		o Allow PL/Python to return boolean rather than 1/0
> 		o Allow PL/PythonU to return boolean rather than 1/0
 2007-04-02 21:28:10 +00:00
Bruce Momjian
5c706f1c98 Add: 
> * Fix to_date()-related functions to consistently issue errors
>
>   http://archives.postgresql.org/pgsql-hackers/2007-02/msg00915.php
>
 2007-04-02 21:25:34 +00:00
Bruce Momjian
ecd12df117 Add: 
>
> 		o Allow PL/Python to return boolean rather than 1/0
>
> 		  http://archives.postgresql.org/pgsql-patches/2007-01/msg00596.php
>
 2007-04-02 21:10:53 +00:00
Bruce Momjian
d6bac1e8e9 Add item: 
>
> * Consider reducing memory used for shared buffer reference count
>
>   http://archives.postgresql.org/pgsql-hackers/2007-01/msg00752.php
 2007-04-02 20:43:40 +00:00
Bruce Momjian
3e8ff14506 Add URL for: 
o Allow RETURN to return row or record functions

> 		o Allow RETURN to return row or record functions
> 		  http://archives.postgresql.org/pgsql-patches/2006-08/msg00397.php
> 		  http://archives.postgresql.org/pgsql-hackers/2006-09/msg00388.php
 2007-04-02 20:10:16 +00:00
Bruce Momjian
cac01fc038 Done: 
< * Support a data type with specific enumerated values (ENUM)
<
<   http://archives.postgresql.org/pgsql-hackers/2006-08/msg00979.php
<
> * -Support a data type with specific enumerated values (ENUM)
 2007-04-02 17:18:44 +00:00
Bruce Momjian
bf56e8a79f > o Add PQexecf() that allows complex parameter substitution 
>
> 	  http://archives.postgresql.org/pgsql-hackers/2007-03/msg01803.php
 2007-04-02 17:15:39 +00:00
Peter Eisentraut
626b4416b9 Put documentation on XML data type and functions in better positions. Add 
some index terms.
 2007-04-02 15:27:02 +00:00
Tom Lane
57690c6803 Support enum data types. Along the way, use macros for the values of 
pg_type.typtype whereever practical.  Tom Dunstan, with some kibitzing
from Tom Lane.
 2007-04-02 03:49:42 +00:00
Peter Eisentraut
0b75afda92 Mapping schemas and databases to XML and XML Schema. 
Refactor and document the remaining mapping code.
 2007-04-01 09:00:26 +00:00
Magnus Hagander
335feca441 Add some instrumentation to the bgwriter, through the stats collector. 
New view pg_stat_bgwriter, and the functions required to build it.
 2007-03-30 18:34:56 +00:00
Bruce Momjian
f9ce21f94c Update Japanese FAQ. 
Jun Kuwamura
 2007-03-30 03:46:53 +00:00