From: Bruce Momjian Date: Tue, 24 Oct 2006 02:42:34 +0000 (+0000) Subject: Correctino, add URL on : X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=dbccc350e82f69df031f9c1dacc62067b9da55e9;p=users%2Fbernd%2Fpostgres.git Correctino, add URL on : * Add estimated_count(*) to return an estimate of COUNT(*) > http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php --- diff --git a/doc/TODO b/doc/TODO index 3fadcd3b5d..b19b7194bd 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (bruce@momjian.us) -Last updated: Mon Oct 23 22:41:16 EDT 2006 +Last updated: Mon Oct 23 22:42:19 EDT 2006 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -960,12 +960,12 @@ Cache Usage 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. - http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php * Add estimated_count(*) to return an estimate of COUNT(*) This would use the planner ANALYZE statistics to return an estimated count. + http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php * Allow data to be pulled directly from indexes diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 99e1117965..7b6f3fff45 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@

PostgreSQL TODO List

Current maintainer: Bruce Momjian (bruce@momjian.us)
-Last updated: Mon Oct 23 22:41:16 EDT 2006 +Last updated: Mon Oct 23 22:42:19 EDT 2006

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. @@ -867,11 +867,11 @@ 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. - http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php

  • Add estimated_count(*) to return an estimate of COUNT(*)

    This would use the planner ANALYZE statistics to return an estimated count. + http://archives.postgresql.org/pgsql-hackers/2005-11/msg00943.php

  • Allow data to be pulled directly from indexes

    Currently indexes do not have enough tuple visibility information