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< * Allow DEFERRABLE UNIQUE constraints?
> * 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 23:20:35 +00:00
parent 1832cefda1
commit 79222272bb
2 changed files with 15 additions and 4 deletions
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10
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Fri Aug 25 19:43:59 EDT 2006
Last updated: Mon Aug 28 19:20:20 EDT 2006
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -873,7 +873,13 @@ Triggers
memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files.
* Allow DEFERRABLE UNIQUE constraints?
* 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,

9
doc/src/FAQ/TODO.html
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@ -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: Fri Aug 25 19:43:59 EDT 2006
Last updated: Mon Aug 28 19:20:20 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>.
@ -794,7 +794,12 @@ first.
memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files.
</p>
</li><li>Allow DEFERRABLE UNIQUE constraints?
</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,
modifying the system tables, performing the desired SQL, restoring the