Add:

> > * Add estimated_count(*) to return an estimate of COUNT(*) > > This would use the planner ANALYZE statistatics to return an estimated > count.
20 years ago · c28c00ecc8
parent e96925fba7
commit c28c00ecc8
2 changed files with 11 additions and 2 deletions
--- a/doc/TODO
+++ b/doc/TODO
@ -2,7 +2,7 @@
 PostgreSQL TODO List
 ====================
 Current maintainer:	Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated:		Wed Nov 16 13:44:51 EST 2005
+Last updated:		Tue Nov 22 17:53:39 EST 2005

 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@ -841,6 +841,11 @@ Cache Usage
  faster than a sequential scan it must avoid access to the heap
  to obtain tuple visibility information.

+* Add estimated_count(*) to return an estimate of COUNT(*)
+
+  This would use the planner ANALYZE statistatics to return an estimated
+  count.
+
 * Allow data to be pulled directly from indexes

  Currently indexes do not have enough tuple visibility information 
--- 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:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
-Last updated:           Wed Nov 16 13:44:51 EST 2005
+Last updated:           Tue Nov 22 17:53:39 EST 2005
 </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>.
@ -762,6 +762,10 @@ 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 statistatics to return an estimated
+  count.
 </p>
  </li><li>Allow data to be pulled directly from indexes
 <p>  Currently indexes do not have enough tuple visibility information