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< * All backends running as threads in a single process (not want)
> * All backends running as threads in a single process (not wanted)
< * Optimizer hints (not want)
> * Optimizer hints (not wanted)
>
> * Allow AS in "SELECT col AS label" to be optional (not wanted)
>
>   Because we support postfix operators, it isn't possible to make AS
>   optional and continue to use bison.
>   http://archives.postgresql.org/pgsql-sql/2006-08/msg00164.php
This commit is contained in:
Bruce Momjian 2006-08-23 18:32:02 +00:00
parent a6558b068d
commit 7ad642d0b5
2 changed files with 17 additions and 6 deletions
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12
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List PostgreSQL TODO List
==================== ====================
Current maintainer: Bruce Momjian (bruce@momjian.us) Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Tue Aug 22 22:48:03 EDT 2006 Last updated: Wed Aug 23 14:31:52 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.
@ -1431,18 +1431,24 @@ Source Code
Features We Do _Not_ Want Features We Do _Not_ Want
========================= =========================
* All backends running as threads in a single process (not want) * All backends running as threads in a single process (not wanted)
This eliminates the process protection we get from the current setup. This eliminates the process protection we get from the current setup.
Thread creation is usually the same overhead as process creation on Thread creation is usually the same overhead as process creation on
modern systems, so it seems unwise to use a pure threaded model. modern systems, so it seems unwise to use a pure threaded model.
* Optimizer hints (not want) * Optimizer hints (not wanted)
Optimizer hints are used to work around problems in the optimizer. We Optimizer hints are used to work around problems in the optimizer. We
would rather have the problems reported and fixed. would rather have the problems reported and fixed.
http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php
* Allow AS in "SELECT col AS label" to be optional (not wanted)
Because we support postfix operators, it isn't possible to make AS
optional and continue to use bison.
http://archives.postgresql.org/pgsql-sql/2006-08/msg00164.php
--------------------------------------------------------------------------- ---------------------------------------------------------------------------

11
doc/src/FAQ/TODO.html
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@ -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: Tue Aug 22 22:48:03 EDT 2006 Last updated: Wed Aug 23 14:31:52 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>.
@ -1293,15 +1293,20 @@ first.
<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>
<li>All backends running as threads in a single process (not want) <li>All backends running as threads in a single process (not wanted)
<p> This eliminates the process protection we get from the current setup. <p> This eliminates the process protection we get from the current setup.
Thread creation is usually the same overhead as process creation on Thread creation is usually the same overhead as process creation on
modern systems, so it seems unwise to use a pure threaded model. modern systems, so it seems unwise to use a pure threaded model.
</p> </p>
</li><li>Optimizer hints (not want) </li><li>Optimizer hints (not wanted)
<p> Optimizer hints are used to work around problems in the optimizer. We <p> Optimizer hints are used to work around problems in the optimizer. We
would rather have the problems reported and fixed. would rather have the problems reported and fixed.
<a href="http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php">http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php</a> <a href="http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php">http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php</a>
</p>
</li><li>Allow AS in "SELECT col AS label" to be optional (not wanted)
<p> Because we support postfix operators, it isn't possible to make AS
optional and continue to use bison.
<a href="http://archives.postgresql.org/pgsql-sql/2006-08/msg00164.php">http://archives.postgresql.org/pgsql-sql/2006-08/msg00164.php</a>
</p> </p>
</li></ul> </li></ul>
<hr/> <hr/>