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Postgres FD Implementation
Commit 9e522d08 authored by Bruce Momjian's avatar Bruce Momjian
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< Last updated:		Sat Sep  2 08:31:04 EDT 2006
> Last updated:		Sat Sep  2 16:31:46 EDT 2006
< 	o Allow UPDATE tab SET ROW (col, ...) = (...) for updating multiple
< 	  columns
> 	o -Allow UPDATE tab SET ROW (col, ...) = (val, ...) for updating
> 	  multiple columns
> 	o Allow UPDATE tab SET ROW (col, ...) = (SELECT...)
<           A subselect can also be used as the value source.
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c
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Sat Sep 2 08:31:04 EDT 2006
Last updated: Sat Sep 2 16:31:46 EDT 2006
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
......@@ -543,10 +543,10 @@ SQL Commands
* UPDATE
o -Allow an alias to be provided for the target table in
UPDATE/DELETE (Neil)
o Allow UPDATE tab SET ROW (col, ...) = (...) for updating multiple
columns
o -Allow UPDATE tab SET ROW (col, ...) = (val, ...) for updating
multiple columns
o Allow UPDATE tab SET ROW (col, ...) = (SELECT...)
A subselect can also be used as the value source.
http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php
......
doc/src/FAQ/TODO.html
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......@@ -2,16 +2,14 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>c</title>
<title>PostgreSQL TODO List</title>
<meta name="generator" content="HTML::TextToHTML v2.25"/>
</head>
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<p>c<br/>
PostgreSQL TODO List
</p><hr/>
Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
Last updated: Sat Sep 2 08:31:04 EDT 2006
<h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
Last updated: Sat Sep 2 16:31:46 EDT 2006
</p>
<p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
</p>
......@@ -24,7 +22,7 @@ Last updated: Sat Sep 2 08:31:04 EDT 2006
you would like to work on an item, please read the Developer's FAQ<br/>
first.
</p>
<h1><a name="section_1">Administration</a></h1>
<h1><a name="section_2">Administration</a></h1>
<ul>
<li>-<em>Make postmater and postgres options distinct so the postmaster -o</em>
......@@ -152,7 +150,7 @@ first.
</li><li>Allow the PITR process to be debugged and data examined
</li></ul>
</li></ul>
<h1><a name="section_2">Monitoring</a></h1>
<h1><a name="section_3">Monitoring</a></h1>
<ul>
<li>Allow server log information to be output as INSERT statements
......@@ -163,7 +161,7 @@ first.
</li><li>-<em>Allow server logs to be remotely read and removed using SQL commands</em>
</li><li>-<em>Allow protocol-level BIND parameter values to be logged, if text mode</em>
</li></ul>
<h1><a name="section_3">Data Types</a></h1>
<h1><a name="section_4">Data Types</a></h1>
<ul>
<li>Improve the MONEY data type
......@@ -298,7 +296,7 @@ first.
</li></ul>
</li></ul>
</li></ul>
<h1><a name="section_4">Functions</a></h1>
<h1><a name="section_5">Functions</a></h1>
<ul>
<li>Allow INET subnet tests using non-constants to be indexed
......@@ -341,7 +339,7 @@ first.
</li><li>Add SPI_gettypmod() to return the typemod for a TupleDesc
</li><li>Allow inlining of set-returning functions
</li></ul>
<h1><a name="section_5">Multi-Language Support</a></h1>
<h1><a name="section_6">Multi-Language Support</a></h1>
<ul>
<li>Add NCHAR (as distinguished from ordinary varchar),
......@@ -372,7 +370,7 @@ first.
<a href="http://archives.postgresql.org/pgsql-patches/2005-11/msg00173.php">http://archives.postgresql.org/pgsql-patches/2005-11/msg00173.php</a>
</p>
</li></ul>
<h1><a name="section_6">Views / Rules</a></h1>
<h1><a name="section_7">Views / Rules</a></h1>
<ul>
<li>Automatically create rules on views so they are updateable, per SQL99
......@@ -388,7 +386,7 @@ first.
are added after the view is created.
</p>
</li></ul>
<h1><a name="section_7">SQL Commands</a></h1>
<h1><a name="section_8">SQL Commands</a></h1>
<ul>
<li>-<em>Change LIMIT/OFFSET and FETCH/MOVE to use int8</em>
......@@ -498,10 +496,10 @@ first.
<ul>
<li>-<em>Allow an alias to be provided for the target table in</em>
UPDATE/DELETE (Neil)
</li><li>Allow UPDATE tab SET ROW (col, ...) = (...) for updating multiple
columns
<p> A subselect can also be used as the value source.
<a href="http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php">http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php</a>
</li><li>-<em>Allow UPDATE tab SET ROW (col, ...) = (val, ...) for updating</em>
multiple columns
</li><li>Allow UPDATE tab SET ROW (col, ...) = (SELECT...)
<p> <a href="http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php">http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php</a>
</p>
</li></ul>
</li><li>ALTER
......@@ -679,7 +677,7 @@ first.
</li></ul>
</li></ul>
</li></ul>
<h1><a name="section_8">Clients</a></h1>
<h1><a name="section_9">Clients</a></h1>
<ul>
<li>-<em>Have initdb set the input DateStyle (MDY or DMY) based on locale</em>
......@@ -788,7 +786,7 @@ first.
</p>
</li></ul>
</li></ul>
<h1><a name="section_9">Triggers</a></h1>
<h1><a name="section_10">Triggers</a></h1>
<ul>
<li>Add deferred trigger queue file
<p> Right now all deferred trigger information is stored in backend
......@@ -816,7 +814,7 @@ first.
to fire triggers.
</p>
</li></ul>
<h1><a name="section_10">Dependency Checking</a></h1>
<h1><a name="section_11">Dependency Checking</a></h1>
<ul>
<li>Flush cached query plans when the dependent objects change,
......@@ -833,7 +831,7 @@ first.
invalidate its own query plan.
</p>
</li></ul>
<h1><a name="section_11">Exotic Features</a></h1>
<h1><a name="section_12">Exotic Features</a></h1>
<ul>
<li>Add pre-parsing phase that converts non-ISO syntax to supported
......@@ -860,7 +858,7 @@ first.
<p> <a href="http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php">http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php</a>
</p>
</li></ul>
<h1><a name="section_12">Indexes</a></h1>
<h1><a name="section_13">Indexes</a></h1>
<ul>
<li>Allow inherited tables to inherit index, UNIQUE constraint, and primary
......@@ -927,7 +925,7 @@ first.
</li><li>Allow multi-column hash indexes
</li></ul>
</li></ul>
<h1><a name="section_13">Fsync</a></h1>
<h1><a name="section_14">Fsync</a></h1>
<ul>
<li>Improve commit_delay handling to reduce fsync()
......@@ -939,7 +937,7 @@ first.
</li><li>%Add an option to sync() before fsync()'ing checkpoint files
</li><li>Add program to test if fsync has a delay compared to non-fsync
</li></ul>
<h1><a name="section_14">Cache Usage</a></h1>
<h1><a name="section_15">Cache Usage</a></h1>
<ul>
<li>Allow free-behind capability for large sequential scans, perhaps using
......@@ -993,7 +991,7 @@ first.
<p> <a href="http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php">http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php</a>
</p>
</li></ul>
<h1><a name="section_15">Vacuum</a></h1>
<h1><a name="section_16">Vacuum</a></h1>
<ul>
<li>Improve speed with indexes
......@@ -1051,12 +1049,12 @@ first.
</li><li>Turn on by default
</li></ul>
</li></ul>
<h1><a name="section_16">Locking</a></h1>
<h1><a name="section_17">Locking</a></h1>
<ul>
<li>Fix priority ordering of read and write light-weight locks (Neil)
</li></ul>
<h1><a name="section_17">Startup Time Improvements</a></h1>
<h1><a name="section_18">Startup Time Improvements</a></h1>
<ul>
<li>Experiment with multi-threaded backend for backend creation [<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?thread">thread</a>]
......@@ -1079,7 +1077,7 @@ first.
existing backends is one of the difficulties with a backend approach.
</p>
</li></ul>
<h1><a name="section_18">Write-Ahead Log</a></h1>
<h1><a name="section_19">Write-Ahead Log</a></h1>
<ul>
<li>Eliminate need to write full pages to WAL before page modification [<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?wal">wal</a>]
......@@ -1143,7 +1141,7 @@ first.
of indexes on TOAST tables.
</p>
</li></ul>
<h1><a name="section_19">Optimizer / Executor</a></h1>
<h1><a name="section_20">Optimizer / Executor</a></h1>
<ul>
<li>Improve selectivity functions for geometric operators
......@@ -1168,7 +1166,7 @@ first.
<p> This might replace GEQO, <a href="http://sixdemonbag.org/Djinni">http://sixdemonbag.org/Djinni</a>.
</p>
</li></ul>
<h1><a name="section_20">Miscellaneous Performance</a></h1>
<h1><a name="section_21">Miscellaneous Performance</a></h1>
<ul>
<li>Do async I/O for faster random read-ahead of data
......@@ -1211,7 +1209,7 @@ first.
</p>
</li><li>Research storing disk pages with no alignment/padding
</li></ul>
<h1><a name="section_21">Source Code</a></h1>
<h1><a name="section_22">Source Code</a></h1>
<ul>
<li>Add use of 'const' for variables in source tree
......@@ -1293,7 +1291,7 @@ first.
of result sets using new statement protocol
</li></ul>
</li></ul>
<h1><a name="section_22">Features We Do _Not_ Want</a></h1>
<h1><a name="section_23">Features We Do _Not_ Want</a></h1>
<ul>
<li>All backends running as threads in a single process (not wanted)
......@@ -1314,7 +1312,7 @@ first.
</li></ul>
<hr/>
<h2><a name="section_22_1">Developers who have claimed items are:</a></h2>
<h2><a name="section_23_1">Developers who have claimed items are:</a></h2>
<ul>
<li>Alvaro is Alvaro Herrera &lt;<a href="mailto:alvherre@dcc.uchile.cl">alvherre@dcc.uchile.cl</a>&gt;
</li><li>Andrew is Andrew Dunstan &lt;<a href="mailto:andrew@dunslane.net">andrew@dunslane.net</a>&gt;
......
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