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Move to referential integrity section:

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> 	o Allow DEFERRABLE and end-of-statement UNIQUE constraints?
>
> 	  This would allow UPDATE tab SET col = col + 1 to work if col has
> 	  a unique index.  Currently, uniqueness checks are done while the
> 	  command is being executed, rather than at the end of the statement
> 	  or transaction.
>
<
< * Allow DEFERRABLE and end-of-statement UNIQUE constraints?
<
<   This would allow UPDATE tab SET col = col + 1 to work if col has
<   a unique index.  Currently, uniqueness checks are done while the
<   command is being executed, rather than at the end of the statement
<   or transaction.
This commit is contained in:
Bruce Momjian 2006-08-28 23:21:46 +00:00
parent 79222272bb
commit 22bb6929cd
2 changed files with 15 additions and 15 deletions
doc
TODO
src/FAQ
TODO.html

16
doc/TODO

@ -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: Mon Aug 28 19:20:20 EDT 2006 Last updated: Mon Aug 28 19:21:37 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.
@ -683,6 +683,13 @@ SQL Commands
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
o Allow DEFERRABLE and end-of-statement UNIQUE constraints?
This would allow UPDATE tab SET col = col + 1 to work if col has
a unique index. Currently, uniqueness checks are done while the
command is being executed, rather than at the end of the statement
or transaction.
* Server-Side Languages * Server-Side Languages
@ -873,13 +880,6 @@ Triggers
memory. This could exhaust memory for very large trigger queues. memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files. This item involves dumping large queues into files.
* Allow DEFERRABLE and end-of-statement UNIQUE constraints?
This would allow UPDATE tab SET col = col + 1 to work if col has
a unique index. Currently, uniqueness checks are done while the
command is being executed, rather than at the end of the statement
or transaction.
* Allow triggers to be disabled in only the current session. * Allow triggers to be disabled in only the current session.
This is currently possible by starting a multi-statement transaction, This is currently possible by starting a multi-statement transaction,

14
doc/src/FAQ/TODO.html

@ -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: Mon Aug 28 19:20:20 EDT 2006 Last updated: Mon Aug 28 19:21:37 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>.
@ -618,6 +618,12 @@ first.
cascaded tables, seeing the tables in an intermediate state cascaded tables, seeing the tables in an intermediate state
<p> <a href="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a> <p> <a href="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
<a href="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a> <a href="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
</p>
</li><li>Allow DEFERRABLE and end-of-statement UNIQUE constraints?
<p> This would allow UPDATE tab SET col = col + 1 to work if col has
a unique index. Currently, uniqueness checks are done while the
command is being executed, rather than at the end of the statement
or transaction.
</p> </p>
</li></ul> </li></ul>
</li><li>Server-Side Languages </li><li>Server-Side Languages
@ -793,12 +799,6 @@ first.
<p> Right now all deferred trigger information is stored in backend <p> Right now all deferred trigger information is stored in backend
memory. This could exhaust memory for very large trigger queues. memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files. This item involves dumping large queues into files.
</p>
</li><li>Allow DEFERRABLE and end-of-statement UNIQUE constraints?
<p> This would allow UPDATE tab SET col = col + 1 to work if col has
a unique index. Currently, uniqueness checks are done while the
command is being executed, rather than at the end of the statement
or transaction.
</p> </p>
</li><li>Allow triggers to be disabled in only the current session. </li><li>Allow triggers to be disabled in only the current session.
<p> This is currently possible by starting a multi-statement transaction, <p> This is currently possible by starting a multi-statement transaction,