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Move to referential integrity section: 

> 	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
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16
doc/TODO
View File

@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
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
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
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
@ -873,13 +880,6 @@ Triggers
memory. This could exhaust memory for very large trigger queues.
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.
This is currently possible by starting a multi-statement transaction,

14
doc/src/FAQ/TODO.html
View File

@ -8,7 +8,7 @@
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<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: Mon Aug 28 19:20:20 EDT 2006
Last updated: Mon Aug 28 19:21:37 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>.
@ -618,6 +618,12 @@ first.
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>
<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>
</li></ul>
</li><li>Server-Side Languages
@ -793,12 +799,6 @@ first.
<p> Right now all deferred trigger information is stored in backend
memory. This could exhaust memory for very large trigger queues.
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>
</li><li>Allow triggers to be disabled in only the current session.
<p> This is currently possible by starting a multi-statement transaction,