Add description for concurrent sequential scans:

>   One possible implementation is to start sequential scans from the lowest
>   numbered buffer in the shared cache, and when reaching the end wrap
>   around to the beginning, rather than always starting sequential scans
>   at the start of the table.

diff --git a/doc/TODO b/doc/TODO
index 6019a616fc006a3c02b0fb653025d555f1de6095..fca37d89922cdcb450eb23ed9a42316a578534cd 100644 (file)
--- a/doc/TODO
+++ b/doc/TODO
@@ -2,7 +2,7 @@
 PostgreSQL TODO List
 ====================
 Current maintainer:    Bruce Momjian ([email protected])
-Last updated:      Sun Apr 24 08:39:04 EDT 2005
+Last updated:      Sun Apr 24 21:42:27 EDT 2005
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -740,6 +740,10 @@ Cache
 * Allow sequential scans to take advantage of other concurrent
   sequentiqal scans, also called "Synchronised Scanning"
 
+  One possible implementation is to start sequential scans from the lowest
+  numbered buffer in the shared cache, and when reaching the end wrap
+  around to the beginning, rather than always starting sequential scans
+  at the start of the table.
 
 Vacuum
 ======

diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html
index 19ad67fbaa3118edae0727b6243c5c317ac3f913..957a6176e87fc6481a24eefd3b37985066af2c5d 100644 (file)
--- a/doc/src/FAQ/TODO.html
+++ b/doc/src/FAQ/TODO.html
@@ -8,7 +8,7 @@
 
 PostgreSQL TODO List
 Current maintainer:     Bruce Momjian ([email protected])
-Last updated:           Sun Apr 24 08:39:04 EDT 2005
+Last updated:           Sun Apr 24 21:42:27 EDT 2005
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -677,6 +677,11 @@ first.
 
   Allow sequential scans to take advantage of other concurrent
   sequentiqal scans, also called "Synchronised Scanning"
+  One possible implementation is to start sequential scans from the lowest
+  numbered buffer in the shared cache, and when reaching the end wrap
+  around to the beginning, rather than always starting sequential scans
+  at the start of the table.
+
 
 Vacuum