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| author | Bruce Momjian <bruce@momjian.us> | 2006-10-24 02:41:22 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2006-10-24 02:41:22 +0000 |
| commit | 2b1ccefe720812989e2b9f86508f538342324a39 (patch) | |
| tree | 63789796abb77c7f156cdabe89a8541d2f126c91 /doc/src | |
| parent | cfb3a42831a588fb55c9c84328b6df1b5050da0c (diff) | |
| download | postgresql-2b1ccefe720812989e2b9f86508f538342324a39.tar.gz postgresql-2b1ccefe720812989e2b9f86508f538342324a39.zip | |
Add URL for:
* Speed up COUNT(*)
> http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/FAQ/TODO.html | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 96467374adf..99e11179658 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -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: Sat Oct 21 13:31:12 EDT 2006 +Last updated: Mon Oct 23 22:41:16 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>. @@ -867,6 +867,7 @@ 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. + <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>Add estimated_count(*) to return an estimate of COUNT(*) <p> This would use the planner ANALYZE statistics to return an estimated |