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91 Commits

Author SHA1 Message Date
Tom Lane 391c3811a2 Rename SortMem and VacuumMem to work_mem and maintenance_work_mem. 
Make btree index creation and initial validation of foreign-key constraints
use maintenance_work_mem rather than work_mem as their memory limit.
Add some code to guc.c to allow these variables to be referenced by their
old names in SHOW and SET commands, for backwards compatibility.
 2004-02-03 17:34:04 +00:00
Neil Conway 024f3fa52f Minor documentation improvements. 2004-01-11 05:46:58 +00:00
Neil Conway 0b52062265 This patch makes some improvements and adds some additional detail 
to the documentation on routine database maintainence activities.
I also corrected a bunch of SGML markup.
 2003-12-14 00:10:32 +00:00
PostgreSQL Daemon 969685ad44 $Header: -> $PostgreSQL Changes ... 2003-11-29 19:52:15 +00:00
Peter Eisentraut 8442a92e5a Spell checking, consistent terminology. 2003-11-01 01:56:29 +00:00
Tom Lane 0a4048646b Document all the system views created by initdb (several of these were 
never documented anywhere, sigh).  Centralize the detailed documentation
of system views into catalogs.sgml, and provide cross-references.
 2003-10-17 22:38:20 +00:00
Tom Lane fe1b5034dd Adjust display of actual runtimes in EXPLAIN output to use three fractional 
digits, and label it 'ms' not 'msec', for consistency with psql's \timing
display.  Per recent discussions.
 2003-10-17 01:14:26 +00:00
Bruce Momjian 8087446b14 > That's a fairly useless place to put it, though, since someone would 
> only think to look at sort_mem if they already had a clue.  It should
> be mentioned under bulk data load (in performance tips chapter)

Attached is a doc patch that does this. The way I've worded it may not
be the best, though.

Neil Conway
 2003-10-10 02:08:42 +00:00
Bruce Momjian 188eda0df2 Consistenly lowercase GUC variable names, in docs and error messages. 2003-09-11 18:30:39 +00:00
Bruce Momjian 8e27be4310 This patch makes a few minor improvements to the docs: make the 
<varname> conventions more consistent, and improve the ANALYZE ref page.

Neil Conway
 2003-09-11 17:31:45 +00:00
Peter Eisentraut c326d8f4f2 Add/edit index entries. 2003-08-31 17:32:24 +00:00
Bruce Momjian ebbd2edf82 Seems the runtime.sgml and perform.sgml patches combined are 
incompatible.

I believe the attached xref meets the intent of the perform.sgml change.

--
Rod Taylor <rbt@rbt.ca>
 2003-06-25 02:07:33 +00:00
Bruce Momjian 7cb4278e82 Small patch to link to the proper place in the "runtime" file, 
and to add the "schemaname" column to the description of the
pg_stats view.

Greg Sabino Mullane
 2003-06-24 23:19:11 +00:00
Peter Eisentraut 5e5c5cd31a Merge documentation into one book. (Build with "make html".) Replace 
vague cross-references with real links.
 2003-03-25 16:15:44 +00:00
Peter Eisentraut 706a32cdf6 Big editing for consistent content and presentation. 2003-03-13 01:30:29 +00:00
Bruce Momjian f21fb30dfc Revert optimizer page count change. 2003-01-28 03:34:29 +00:00
Bruce Momjian 9b9b14915b Fix typo 233 pages -> 333 pages. 2003-01-27 22:40:56 +00:00
Tom Lane 9f5f212475 Allow the planner to collapse explicit inner JOINs together, rather than 
necessarily following the JOIN syntax to develop the query plan.  The old
behavior is still available by setting GUC variable JOIN_COLLAPSE_LIMIT
to 1.  Also create a GUC variable FROM_COLLAPSE_LIMIT to control the
similar decision about when to collapse sub-SELECT lists into their parent
lists.  (This behavior existed already, but the limit was always
GEQO_THRESHOLD/2; now it's separately adjustable.)
 2003-01-25 23:10:30 +00:00
Tom Lane b05204ac8a Fix some minor grammatical errors. 2003-01-12 18:42:59 +00:00
Peter Eisentraut 1b342df00a Merge documentation updates from 7.3 branch. 2002-11-11 20:14:04 +00:00
Peter Eisentraut bc49968764 Add more appropriate markup. 2002-09-21 18:32:54 +00:00
Tom Lane ea10ec1b69 Tweak labeling of plan qual conditions for more consistency. 2002-03-24 17:11:37 +00:00
Tom Lane 10d3995057 EXPLAIN output now comes out as a query result, not a NOTICE message. 
Also, fix debug logging of parse/plan trees so that the messages actually
go through elog(), not directly to stdout.
 2002-03-24 04:31:09 +00:00
Peter Eisentraut b6ea172ace Spell checking and markup additions 2002-03-22 19:20:45 +00:00
Bruce Momjian 92b1ab75d4 Update docs for new INFO, NOTICE, WARNING elog() levels. 2002-03-06 06:44:33 +00:00
Peter Eisentraut bf43bed848 Spell-check and markup police 2002-01-20 22:19:57 +00:00
Peter Eisentraut 651a639b8b proof-reading 2001-11-28 20:49:10 +00:00
Thomas G. Lockhart 2475e87481 Deprecate 'current' for date/time input. 
Fix up references to "PostgreSQL" rather than "Postgres". Was roughly
 evenly split between the two before. ref/ files not yet done.
 2001-11-21 05:53:41 +00:00
Tom Lane 2bb6b98d5c Add a section about the planner's statistics, including a description 
of the new pg_stats view.
 2001-10-16 01:13:44 +00:00
Bruce Momjian 705869dd17 Uppercase keywords where appropriate. 2001-10-12 23:32:34 +00:00
Peter Eisentraut ffb8f73890 Bunch of copy fitting and style sheet tweakage to get decent looking print 
output (from pdfjadetex).  Also updated instructions to install documentation
processing toolchain.
 2001-10-09 18:46:00 +00:00
Tom Lane 89fa551808 EXPLAIN ANALYZE feature to measure and show actual runtimes and tuple 
counts alongside the planner's estimates.  By Martijn van Oosterhout,
with some further work by Tom Lane.
 2001-09-18 01:59:07 +00:00
Peter Eisentraut 351a0c1736 Replace ASCII-quotes with proper markup. 2001-09-13 15:55:24 +00:00
Peter Eisentraut 84956e71a3 Markup additions and spell check. (covers User's Guide) 2001-09-09 17:21:59 +00:00
Tom Lane 7d6e28149e Mention that EXPLAIN results on small tables shouldn't be extrapolated 
to large tables.  Recommend ANALYZE or VACUUM ANALYZE after populating
a table.
 2001-06-22 18:53:36 +00:00
Tom Lane 88ba401879 Update EXPLAIN discussion and examples to match current sources. 2001-06-11 00:52:09 +00:00
Peter Eisentraut a6677f0f9e Change "indices" to "indexes", per OED. 2001-05-17 21:50:18 +00:00
Tom Lane 6cda3ad8fe Cause planner to make use of average-column-width statistic that is now 
collected by ANALYZE.  Also, add some modest amount of intelligence to
guesses that are used for varlena columns in the absence of any ANALYZE
statistics.  The 'width' reported by EXPLAIN is finally something less
than totally bogus for varlena columns ... and, in consequence, hashjoin
estimating should be a little better ...
 2001-05-09 00:35:09 +00:00
Peter Eisentraut 0967057b5d minor copy editing 2001-03-24 23:03:26 +00:00
Tom Lane a276392e52 Update example of partially constraining join order to use a subselect 
in FROM instead of an auxiliary view.  We didn't have subselect-in-FROM
when I wrote this originally...
 2001-02-19 00:24:30 +00:00
Tom Lane ad4fd77a5f Restructure performance tips into a single chapter ('populating a 
database' was way too small to make a chapter).  Add a section about
using JOIN syntax to direct the planner.
 2000-12-16 02:29:36 +00:00