Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Mon Nov 21 16:01:05 EST 2005
+ Last updated: Tue Nov 22 10:04:06 EST 2005
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
company. To get involved, see the developer's FAQ at
http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html
+ 1.2) Who controls PostgreSQL?
+
+ If you are looking for a PostgreSQL gatekeeper, central committee, or
+ controlling company, give up --- there isn't one. We do have a core
+ committee and CVS committers, but these groups are more for
+ administrative purposes than control. The project is directed by the
+ community of developers and users, which anyone can join. All you need
+ to do is subscribe to the mailing lists and participate in the
+ discussions. (See the Developer's FAQ for information on how to get
+ involved in PostgreSQL development.)
+
1.3) What is the copyright of PostgreSQL?
PostgreSQL is distributed under the classic BSD license. Basically, it
Via web browser, use http://www.postgresql.org/ftp/, and via ftp, use
ftp://ftp.PostgreSQL.org/pub/.
+ 1.6) What is the latest release?
+
+ The latest release of PostgreSQL is version 8.1.1
+
+ We plan to have a major release every year, with minor releases every
+ few months.
+
1.7) Where can I get support?
The PostgreSQL community provides assistance to many of its users via
Also check out our ftp site ftp://ftp.PostgreSQL.org/pub/ to see if
there is a more recent PostgreSQL version.
- 1.6) What is the latest release?
+ Bugs submitted using the bug form or posted to any PostgreSQL mailing
+ list typically generates one of the following replies:
+ * It is not a bug, and why
+ * It is a known bug and is known already on the TODO list
+ * The bug has been fixed in the current release
+ * The bug has been fixed but is not packaged yet in an official
+ release
+ * A request is made for more detailed information:
+ + Operating system
+ + PostgreSQL version
+ + Reproducible test case
+ + Debugging information
+ + Debugger backtrace output
+ * The bug is new. The following might happen:
+ + A patch has been created and will be included in the next
+ major or minor release
+ + The bug cannot be fixed immediately and is added to the TODO
+ list
+
+ 1.9) How do I find out about known bugs or missing features?
- The latest release of PostgreSQL is version 8.1.1
+ PostgreSQL supports an extended subset of SQL:2003. See our TODO list
+ for known bugs, missing features, and future plans.
- We plan to have a major release every year, with minor releases every
- few months.
+ A feature request usually results in one of the following replies:
+ * The feature is already on the TODO list
+ * The feature is not desired because:
+ + It duplicates existing functionality that already follows the
+ SQL standard
+ + The feature would increase code complexity but add little
+ benefit
+ + The feature would be insecure or unreliable
+ * The new feature is added to the TODO list
+
+ PostgreSQL does not use a bug tracking system because we find it more
+ efficient to respond directly to email and keep the TODO list
+ up-to-date. In practice, bugs don't last very long in the software,
+ and bugs that affect a large number of users are fixed rapidly. The
+ only single place to find all changes, improvements, and fixes in a
+ PostgreSQL release is to read our CVS logs messages. Even the release
+ notes do not contain every change made to the software.
1.10) What documentation is available?
Our web site contains even more documentation.
- 1.9) How do I find out about known bugs or missing features?
-
- PostgreSQL supports an extended subset of SQL:2003. See our TODO list
- for known bugs, missing features, and future plans.
-
1.11) How can I learn SQL?
First, consider the PostgreSQL-specific books mentioned above. Another
We are free for all use, both commercial and non-commercial.
You can add our code to your product with no limitations,
except those outlined in our BSD-style license stated above.
-
- 1.2) Who controls PostgreSQL?
-
- If you are looking for a PostgreSQL gatekeeper, central committee, or
- controlling company, give up --- there isn't one. We do have a core
- committee and CVS committers, but these groups are more for
- administrative purposes than control. The project is directed by the
- community of developers and users, which anyone can join. All you need
- to do is subscribe to the mailing lists and participate in the
- discussions. (See the Developer's FAQ for information on how to get
- involved in PostgreSQL development.)
_________________________________________________________________
User Client Questions
alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
- <P>Last updated: Mon Nov 21 16:01:05 EST 2005</P>
+ <P>Last updated: Tue Nov 22 10:04:06 EST 2005</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)
http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html</A>
</P>
+ <H3><A name="1.2">1.2</A>) Who controls PostgreSQL?<BR></H3>
+
+ <P>If you are looking for a PostgreSQL gatekeeper, central committee,
+ or controlling company, give up --- there isn't one. We do have a
+ core committee and CVS committers, but these groups are more for
+ administrative purposes than control. The project is directed by
+ the community of developers and users, which anyone can join. All
+ you need to do is subscribe to the mailing lists and participate in the
+ discussions. (See the <a href="http://www.postgresql.org/docs/faqs.FAQ_DEV.html">
+ Developer's FAQ</A> for information on how to get involved in PostgreSQL
+ development.)</P>
+
<H3><A name="1.3">1.3</A>) What is the copyright of
PostgreSQL?</H3>
<A href="ftp://ftp.PostgreSQL.org/pub/">
ftp://ftp.PostgreSQL.org/pub/</A>.</P>
+ <H3><A name="1.6">1.6</A>) What is the latest release?</H3>
+
+ <P>The latest release of PostgreSQL is version 8.1.1</P>
+
+ <P>We plan to have a major release every year, with minor releases
+ every few months.</P>
+
<H3><A name="1.7">1.7</A>) Where can I get support?</H3>
<P>The PostgreSQL community provides assistance to many of its users
"ftp://ftp.PostgreSQL.org/pub/">ftp://ftp.PostgreSQL.org/pub/</A> to
see if there is a more recent PostgreSQL version.</P>
- <H3><A name="1.6">1.6</A>) What is the latest release?</H3>
-
- <P>The latest release of PostgreSQL is version 8.1.1</P>
+ <P>Bugs submitted using the bug form or posted to any PostgreSQL mailing
+ list typically generates one of the following replies:</P>
+ <ul>
+ <li>It is not a bug, and why</li>
+ <li>It is a known bug and is known already on the TODO list</li>
+ <li>The bug has been fixed in the current release</li>
+ <li>The bug has been fixed but is not packaged yet in an official
+ release</li>
+ <li>A request is made for more detailed information:
+ <ul>
+ <li>Operating system</li>
+ <li>PostgreSQL version</li>
+ <li>Reproducible test case</li>
+ <li>Debugging information</li>
+ <li>Debugger backtrace output</li>
+ </ul>
+ </li>
+ <li>The bug is new. The following might happen:
+ <ul>
+ <li>A patch has been created and will be included in the next major
+ or minor release</li>
+ <li>The bug cannot be fixed immediately and is added
+ to the TODO list</li>
+ </ul>
+ </li>
+ </ul>
+
+ <H3><A name="1.9">1.9</A>) How do I find out about known bugs or
+ missing features?</H3>
- <P>We plan to have a major release every year, with minor releases
- every few months.</P>
+ <P>PostgreSQL supports an extended subset of <SMALL>SQL:2003</SMALL>.
+ See our <A href="http://www.postgresql.org/docs/faqs.TODO.html">TODO</A>
+ list for known bugs, missing features, and future plans.</P>
+ <P>A feature request usually results in one of the following
+ replies:</P>
+ <ul>
+ <li>The feature is already on the TODO list</li>
+ <li>The feature is not desired because:
+ <ul>
+ <li>It duplicates existing functionality that already
+ follows the SQL standard</li>
+ <li>The feature would increase code complexity but add little
+ benefit</li>
+ <li>The feature would be insecure or unreliable</li>
+ </ul>
+ </li>
+ <li>The new feature is added to the TODO list</li>
+ </ul>
+
+ <P>PostgreSQL does not use a bug tracking system because we find
+ it more efficient to respond directly to email and keep the TODO
+ list up-to-date. In practice, bugs don't last very long in the
+ software, and bugs that affect a large number of users are fixed
+ rapidly. The only single place to find all changes, improvements,
+ and fixes in a PostgreSQL release is to read our CVS logs messages.
+ Even the release notes do not contain every change made to the
+ software.</P>
+
<H3><A name="1.10">1.10</A>) What documentation is available?</H3>
<P>PostgreSQL includes extensive documentation, including a large
<P>Our web site contains even more documentation.</P>
- <H3><A name="1.9">1.9</A>) How do I find out about known bugs or
- missing features?</H3>
-
- <P>PostgreSQL supports an extended subset of <SMALL>SQL:2003</SMALL>.
- See our <A href="http://www.postgresql.org/docs/faqs.TODO.html">TODO</A>
- list for known bugs, missing features, and future plans.</P>
-
<H3><A name="1.11">1.11</A>) How can I learn
<SMALL>SQL</SMALL>?</H3>
</DD>
</DL>
- <H3><A name="1.2">1.2</A>) Who controls PostgreSQL?<BR>
-
- <P>If you are looking for a PostgreSQL gatekeeper, central committee,
- or controlling company, give up --- there isn't one. We do have a
- core committee and CVS committers, but these groups are more for
- administrative purposes than control. The project is directed by
- the community of developers and users, which anyone can join. All
- you need to do is subscribe to the mailing lists and participate in the
- discussions. (See the <a href="http://www.postgresql.org/docs/faqs.FAQ_DEV.html">
- Developer's FAQ</A> for information on how to get involved in PostgreSQL
- development.)</P>
-
<HR>
<H2 align="center">User Client Questions</H2>
<P>The most common cause is the use of double-quotes around table or
column names during table creation. When double-quotes are used,
table and column names (called identifiers) are stored <a
- href="http://www.postgresql.org/docs/8.0/static/sql-syntax.html#SQL-
- SYNTAX-IDENTIFIERS">case-sensitive</a>, meaning you must use
- double-quotes when referencing the names in a query. Some interfaces,
- like pgAdmin, automatically double-quote identifiers during table
- creation. So, for identifiers to be recognized, you must either:
+ href="http://www.postgresql.org/docs/8.0/static/sql-syntax.html#SQL-SYNTAX-IDENTIFIERS">
+ case-sensitive</a>, meaning you must use double-quotes when
+ referencing the names in a query. Some interfaces, like pgAdmin,
+ automatically double-quote identifiers during table creation. So,
+ for identifiers to be recognized, you must either:
<UL>
<LI>Avoid double-quoting identifiers when creating tables</LI>
<LI>Use only lowercase characters in identifiers</LI>
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