Commitfa2801e

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Add description for variable-length header:

> One idea is to store the header in network byte order (high bits> first), and read the high bits to determine the header length.

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Lines changed: 3 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@`
`2`	`2`	`PostgreSQL TODO List`
`3`	`3`	`====================`
`4`	`4`	`Current maintainer:Bruce Momjian (bruce@momjian.us)`
`5`		`-Last updated:Thu Sep 14 13:14:41 EDT 2006`
	`5`	`+Last updated:Thu Sep 14 13:34:00 EDT 2006`
`6`	`6`
`7`	`7`	`The most recent version of this document can be viewed at`
`8`	`8`	`http://www.postgresql.org/docs/faqs.TODO.html.`
`@@ -1365,6 +1365,8 @@ Miscellaneous Performance`
`1365`	`1365`
`1366`	`1366`	`o Support a smaller header for short variable-length fields?`
`1367`	`1367`
	`1368`	`+ One idea is to store the header in network byte order (high bits`
	`1369`	`+ first), and read the high bits to determine the header length.`
`1368`	`1370`	`http://archives.postgresql.org/pgsql-hackers/2006-09/msg00848.php`
`1369`	`1371`
`1370`	`1372`	`o Reduce the row header size?`

Lines changed: 4 additions & 2 deletions

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`@@ -8,7 +8,7 @@`
`8`	`8`	`<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">`
`9`	`9`	`<h1><aname="section_1">PostgreSQL TODO List</a></h1>`
`10`	`10`	`<p>Current maintainer: Bruce Momjian (<ahref="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>`
`11`		`-Last updated: Thu Sep 14 13:14:41 EDT 2006`
	`11`	`+Last updated: Thu Sep 14 13:34:00 EDT 2006`
`12`	`12`	`</p>`
`13`	`13`	`<p>The most recent version of this document can be viewed at<br/>`
`14`	`14`	`<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.`
`@@ -1229,7 +1229,9 @@ <h1><a name="section_21">Miscellaneous Performance</a></h1>`
`1229`	`1229`	`rows from disk to memory.`
`1230`	`1230`	`</p>`
`1231`	`1231`	`</li><li>Support a smaller header for short variable-length fields?`
`1232`		`-<p><ahref="http://archives.postgresql.org/pgsql-hackers/2006-09/msg00848.php">http://archives.postgresql.org/pgsql-hackers/2006-09/msg00848.php</a>`
	`1232`	`+<p> One idea is to store the header in network byte order (high bits`
	`1233`	`+ first), and read the high bits to determine the header length.`
	`1234`	`+<ahref="http://archives.postgresql.org/pgsql-hackers/2006-09/msg00848.php">http://archives.postgresql.org/pgsql-hackers/2006-09/msg00848.php</a>`
`1233`	`1235`	`</p>`
`1234`	`1236`	`</li><li>Reduce the row header size?`
`1235`	`1237`	`</li></ul>`

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