|
8 | 8 | <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
|
9 | 9 | <h1><a name="section_1">PostgreSQL TODO List</a></h1>
|
10 | 10 | <p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
|
11 |
| -Last updated: Wed Jan 10 23:48:50 EST 2007 |
| 11 | +Last updated: Sat Jan 13 10:13:24 EST 2007 |
12 | 12 | </p>
|
13 | 13 | <p>The most recent version of this document can be viewed at<br/>
|
14 | 14 | <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
|
@@ -614,9 +614,6 @@ <h1><a name="section_8">SQL Commands</a></h1>
|
614 | 614 | </p>
|
615 | 615 | </li><li>Allow PL/RETURN to return row or record functions
|
616 | 616 | <p> <a href="http://archives.postgresql.org/pgsql-patches/2005-11/msg00045.php">http://archives.postgresql.org/pgsql-patches/2005-11/msg00045.php</a>
|
617 |
| -</p> |
618 |
| - </li><li>Fix memory leak from exceptions |
619 |
| -<p> <a href="http://archives.postgresql.org/pgsql-performance/2006-06/msg00305.php">http://archives.postgresql.org/pgsql-performance/2006-06/msg00305.php</a> |
620 | 617 | </p>
|
621 | 618 | </li><li>Fix problems with RETURN NEXT on tables with
|
622 | 619 | dropped/added columns after function creation
|
@@ -810,9 +807,6 @@ <h1><a name="section_12">Indexes</a></h1>
|
810 | 807 | one column or expression indexes, perhaps using per-index statistics
|
811 | 808 | </li><li>-<em>Allow the creation of indexes with mixed ascending/descending</em>
|
812 | 809 | specifiers
|
813 |
| - </li><li>Allow constraint_exclusion to work for UNIONs like it does for |
814 |
| - inheritance, allow it to work for UPDATE and DELETE statements, and allow |
815 |
| - it to be used for all statements with little performance impact |
816 | 810 | </li><li>Consider compressing indexes by storing key values duplicated in
|
817 | 811 | several rows as a single index entry
|
818 | 812 | <p> This is difficult because it requires datatype-specific knowledge.
|
@@ -879,11 +873,6 @@ <h1><a name="section_14">Cache Usage</a></h1>
|
879 | 873 | get a count directly from a unique index, but for this to be
|
880 | 874 | faster than a sequential scan it must avoid access to the heap
|
881 | 875 | to obtain tuple visibility information.
|
882 |
| -</p> |
883 |
| - </li><li>Add estimated_count(*) to return an estimate of COUNT(*) |
884 |
| -<p> This would use the planner ANALYZE statistics to return an estimated |
885 |
| - count. |
886 |
| - <a href="http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php">http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php</a> |
887 | 876 | </p>
|
888 | 877 | </li><li>Allow data to be pulled directly from indexes
|
889 | 878 | <p> Currently indexes do not have enough tuple visibility information
|
|
0 commit comments