postgres.git / summary / log / commit / refs
commit b72fe49b9c28540c3fb3d129d0e4b49cec585fa2
Author: Bruce Momjian <bruce@momjian.us>
Date: Sat Sep 03 00:41:30 2005 +0000
First released in: 8.1.0
Add idea:
< cmin/cmax pair and is stored in local memory.
> cmin/cmax pair and is stored in local memory. Another idea is to
> store both cmin and cmax only in local memory.
doc/TODO | 5 +++--
doc/src/FAQ/TODO.html | 5 +++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/doc/TODO b/doc/TODO
index 18cd4f7a669..64752a2bcdf 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Fri Sep 2 17:23:03 EDT 2005
+Last updated: Fri Sep 2 20:41:29 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@@ -986,7 +986,8 @@ Miscellaneous Performance
proper visibility of the row's cmin, for example, for cursors.
One possible solution is to create a phantom cid which represents a
- cmin/cmax pair and is stored in local memory.
+ cmin/cmax pair and is stored in local memory. Another idea is to
+ store both cmin and cmax only in local memory.
* Use a phantom command counter for nested subtransactions to reduce
per-tuple overhead
diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html
index 5d6bc200ff2..8c30519f1e4 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:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
-Last updated: Fri Sep 2 17:23:03 EDT 2005
+Last updated: Fri Sep 2 20:41:29 EDT 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>.
@@ -891,7 +891,8 @@ first.
proper visibility of the row's cmin, for example, for cursors.
</p>
<p> One possible solution is to create a phantom cid which represents a
- cmin/cmax pair and is stored in local memory.
+ cmin/cmax pair and is stored in local memory. Another idea is to
+ store both cmin and cmax only in local memory.
</p>
</li><li>Use a phantom command counter for nested subtransactions to reduce
per-tuple overhead
[parent: 11b5c554c28b]