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.
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,
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<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>.
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
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