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Commit 7de0a919 authored by Bruce Momjian's avatar Bruce Momjian
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Move "Exotic Features" to the bottom of TODO.

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PostgreSQL TODO List PostgreSQL TODO List
==================== ====================
Current maintainer: Bruce Momjian (bruce@momjian.us) Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Fri Sep 29 23:55:30 EDT 2006 Last updated: Mon Oct 2 09:59:50 EDT 2006
The most recent version of this document can be viewed at The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. http://www.postgresql.org/docs/faqs.TODO.html.
...@@ -849,36 +849,6 @@ Dependency Checking ...@@ -849,36 +849,6 @@ Dependency Checking
invalidate its own query plan. invalidate its own query plan.
Exotic Features
===============
* Add pre-parsing phase that converts non-ISO syntax to supported
syntax
This could allow SQL written for other databases to run without
modification.
* Allow plug-in modules to emulate features from other databases
* SQL*Net listener that makes PostgreSQL appear as an Oracle database
to clients
* Allow statements across databases or servers with transaction
semantics
This can be done using dblink and two-phase commit.
* Add the features of packages
o Make private objects accessible only to objects in the same schema
o Allow current_schema.objname to access current schema objects
o Add session variables
o Allow nested schemas
* Consider allowing control of upper/lower case folding of unquoted
identifiers
http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php
Indexes Indexes
======= =======
...@@ -1364,6 +1334,37 @@ Source Code ...@@ -1364,6 +1334,37 @@ Source Code
of result sets using new statement protocol of result sets using new statement protocol
Exotic Features
===============
* Add pre-parsing phase that converts non-ISO syntax to supported
syntax
This could allow SQL written for other databases to run without
modification.
* Allow plug-in modules to emulate features from other databases
* SQL*Net listener that makes PostgreSQL appear as an Oracle database
to clients
* Allow statements across databases or servers with transaction
semantics
This can be done using dblink and two-phase commit.
* Add the features of packages
o Make private objects accessible only to objects in the same schema
o Allow current_schema.objname to access current schema objects
o Add session variables
o Allow nested schemas
* Consider allowing control of upper/lower case folding of unquoted
identifiers
http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php
Features We Do _Not_ Want Features We Do _Not_ Want
========================= =========================
......
doc/src/FAQ/TODO.html
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...@@ -8,7 +8,7 @@ ...@@ -8,7 +8,7 @@
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1> <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/> <p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
Last updated: Fri Sep 29 23:55:30 EDT 2006 Last updated: Mon Oct 2 09:59:50 EDT 2006
</p> </p>
<p>The most recent version of this document can be viewed at<br/> <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>. <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
...@@ -769,34 +769,7 @@ first. ...@@ -769,34 +769,7 @@ first.
invalidate its own query plan. invalidate its own query plan.
</p> </p>
</li></ul> </li></ul>
<h1><a name="section_12">Exotic Features</a></h1> <h1><a name="section_12">Indexes</a></h1>
<ul>
<li>Add pre-parsing phase that converts non-ISO syntax to supported
syntax
<p> This could allow SQL written for other databases to run without
modification.
</p>
</li><li>Allow plug-in modules to emulate features from other databases
</li><li>SQL*Net listener that makes PostgreSQL appear as an Oracle database
to clients
</li><li>Allow statements across databases or servers with transaction
semantics
<p> This can be done using dblink and two-phase commit.
</p>
</li><li>Add the features of packages
<ul>
<li>Make private objects accessible only to objects in the same schema
</li><li>Allow current_schema.objname to access current schema objects
</li><li>Add session variables
</li><li>Allow nested schemas
</li></ul>
</li><li>Consider allowing control of upper/lower case folding of unquoted
identifiers
<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_13">Indexes</a></h1>
<ul> <ul>
<li>Allow inherited tables to inherit index, UNIQUE constraint, and primary <li>Allow inherited tables to inherit index, UNIQUE constraint, and primary
...@@ -862,7 +835,7 @@ first. ...@@ -862,7 +835,7 @@ first.
</li><li>Allow multi-column hash indexes </li><li>Allow multi-column hash indexes
</li></ul> </li></ul>
</li></ul> </li></ul>
<h1><a name="section_14">Fsync</a></h1> <h1><a name="section_13">Fsync</a></h1>
<ul> <ul>
<li>Improve commit_delay handling to reduce fsync() <li>Improve commit_delay handling to reduce fsync()
...@@ -874,7 +847,7 @@ first. ...@@ -874,7 +847,7 @@ first.
</li><li>%Add an option to sync() before fsync()'ing checkpoint files </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><li>Add program to test if fsync has a delay compared to non-fsync
</li></ul> </li></ul>
<h1><a name="section_15">Cache Usage</a></h1> <h1><a name="section_14">Cache Usage</a></h1>
<ul> <ul>
<li>Allow free-behind capability for large sequential scans, perhaps using <li>Allow free-behind capability for large sequential scans, perhaps using
...@@ -928,7 +901,7 @@ first. ...@@ -928,7 +901,7 @@ 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> <a href="http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php">http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php</a>
</p> </p>
</li></ul> </li></ul>
<h1><a name="section_16">Vacuum</a></h1> <h1><a name="section_15">Vacuum</a></h1>
<ul> <ul>
<li>Improve speed with indexes <li>Improve speed with indexes
...@@ -987,12 +960,12 @@ first. ...@@ -987,12 +960,12 @@ first.
</p> </p>
</li></ul> </li></ul>
</li></ul> </li></ul>
<h1><a name="section_17">Locking</a></h1> <h1><a name="section_16">Locking</a></h1>
<ul> <ul>
<li>Fix priority ordering of read and write light-weight locks (Neil) <li>Fix priority ordering of read and write light-weight locks (Neil)
</li></ul> </li></ul>
<h1><a name="section_18">Startup Time Improvements</a></h1> <h1><a name="section_17">Startup Time Improvements</a></h1>
<ul> <ul>
<li>Experiment with multi-threaded backend for backend creation [<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?thread">thread</a>] <li>Experiment with multi-threaded backend for backend creation [<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?thread">thread</a>]
...@@ -1015,7 +988,7 @@ first. ...@@ -1015,7 +988,7 @@ first.
existing backends is one of the difficulties with a backend approach. existing backends is one of the difficulties with a backend approach.
</p> </p>
</li></ul> </li></ul>
<h1><a name="section_19">Write-Ahead Log</a></h1> <h1><a name="section_18">Write-Ahead Log</a></h1>
<ul> <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>] <li>Eliminate need to write full pages to WAL before page modification [<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?wal">wal</a>]
...@@ -1079,7 +1052,7 @@ first. ...@@ -1079,7 +1052,7 @@ first.
of indexes on TOAST tables. of indexes on TOAST tables.
</p> </p>
</li></ul> </li></ul>
<h1><a name="section_20">Optimizer / Executor</a></h1> <h1><a name="section_19">Optimizer / Executor</a></h1>
<ul> <ul>
<li>Improve selectivity functions for geometric operators <li>Improve selectivity functions for geometric operators
...@@ -1104,7 +1077,7 @@ first. ...@@ -1104,7 +1077,7 @@ first.
<p> This might replace GEQO, <a href="http://sixdemonbag.org/Djinni">http://sixdemonbag.org/Djinni</a>. <p> This might replace GEQO, <a href="http://sixdemonbag.org/Djinni">http://sixdemonbag.org/Djinni</a>.
</p> </p>
</li></ul> </li></ul>
<h1><a name="section_21">Miscellaneous Performance</a></h1> <h1><a name="section_20">Miscellaneous Performance</a></h1>
<ul> <ul>
<li>Do async I/O for faster random read-ahead of data <li>Do async I/O for faster random read-ahead of data
...@@ -1158,7 +1131,7 @@ first. ...@@ -1158,7 +1131,7 @@ first.
</li><li>Reduce the row header size? </li><li>Reduce the row header size?
</li></ul> </li></ul>
</li></ul> </li></ul>
<h1><a name="section_22">Source Code</a></h1> <h1><a name="section_21">Source Code</a></h1>
<ul> <ul>
<li>Add use of 'const' for variables in source tree <li>Add use of 'const' for variables in source tree
...@@ -1231,6 +1204,33 @@ first. ...@@ -1231,6 +1204,33 @@ first.
of result sets using new statement protocol of result sets using new statement protocol
</li></ul> </li></ul>
</li></ul> </li></ul>
<h1><a name="section_22">Exotic Features</a></h1>
<ul>
<li>Add pre-parsing phase that converts non-ISO syntax to supported
syntax
<p> This could allow SQL written for other databases to run without
modification.
</p>
</li><li>Allow plug-in modules to emulate features from other databases
</li><li>SQL*Net listener that makes PostgreSQL appear as an Oracle database
to clients
</li><li>Allow statements across databases or servers with transaction
semantics
<p> This can be done using dblink and two-phase commit.
</p>
</li><li>Add the features of packages
<ul>
<li>Make private objects accessible only to objects in the same schema
</li><li>Allow current_schema.objname to access current schema objects
</li><li>Add session variables
</li><li>Allow nested schemas
</li></ul>
</li><li>Consider allowing control of upper/lower case folding of unquoted
identifiers
<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_23">Features We Do _Not_ Want</a></h1> <h1><a name="section_23">Features We Do _Not_ Want</a></h1>
<ul> <ul>
......
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