|
|
|
@ -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: Wed Jan 10 23:48:50 EST 2007 |
|
|
|
|
Last updated: Sat Jan 13 10:13:24 EST 2007 |
|
|
|
|
</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>. |
|
|
|
@ -614,9 +614,6 @@ first. |
|
|
|
|
</p> |
|
|
|
|
</li><li>Allow PL/RETURN to return row or record functions |
|
|
|
|
<p> <a href="http://archives.postgresql.org/pgsql-patches/2005-11/msg00045.php">http://archives.postgresql.org/pgsql-patches/2005-11/msg00045.php</a> |
|
|
|
|
</p> |
|
|
|
|
</li><li>Fix memory leak from exceptions |
|
|
|
|
<p> <a href="http://archives.postgresql.org/pgsql-performance/2006-06/msg00305.php">http://archives.postgresql.org/pgsql-performance/2006-06/msg00305.php</a> |
|
|
|
|
</p> |
|
|
|
|
</li><li>Fix problems with RETURN NEXT on tables with |
|
|
|
|
dropped/added columns after function creation |
|
|
|
@ -810,9 +807,6 @@ first. |
|
|
|
|
one column or expression indexes, perhaps using per-index statistics |
|
|
|
|
</li><li>-<em>Allow the creation of indexes with mixed ascending/descending</em> |
|
|
|
|
specifiers |
|
|
|
|
</li><li>Allow constraint_exclusion to work for UNIONs like it does for |
|
|
|
|
inheritance, allow it to work for UPDATE and DELETE statements, and allow |
|
|
|
|
it to be used for all statements with little performance impact |
|
|
|
|
</li><li>Consider compressing indexes by storing key values duplicated in |
|
|
|
|
several rows as a single index entry |
|
|
|
|
<p> This is difficult because it requires datatype-specific knowledge. |
|
|
|
@ -879,11 +873,6 @@ first. |
|
|
|
|
get a count directly from a unique index, but for this to be |
|
|
|
|
faster than a sequential scan it must avoid access to the heap |
|
|
|
|
to obtain tuple visibility information. |
|
|
|
|
</p> |
|
|
|
|
</li><li>Add estimated_count(*) to return an estimate of COUNT(*) |
|
|
|
|
<p> This would use the planner ANALYZE statistics to return an estimated |
|
|
|
|
count. |
|
|
|
|
<a href="http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php">http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php</a> |
|
|
|
|
</p> |
|
|
|
|
</li><li>Allow data to be pulled directly from indexes |
|
|
|
|
<p> Currently indexes do not have enough tuple visibility information |
|
|
|
|