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Don't document that UNDO is certain to be added in the future.

This commit is contained in:
Bruce Momjian 2002-07-05 19:06:11 +00:00
parent f170e61d9b
commit d66f172f4b
1 changed files with 2 additions and 3 deletions
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doc/src/sgml/wal.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.15 2002/02/11 23:25:14 momjian Exp $ --> <!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.16 2002/07/05 19:06:11 momjian Exp $ -->
<chapter id="wal"> <chapter id="wal">
<title>Write-Ahead Logging (<acronym>WAL</acronym>)</title> <title>Write-Ahead Logging (<acronym>WAL</acronym>)</title>
@ -80,8 +80,7 @@
<title>Future Benefits</title> <title>Future Benefits</title>
<para> <para>
In this first release of <acronym>WAL</acronym>, UNDO operation is UNDO operation is not implemented. This means that changes
not implemented, because of lack of time. This means that changes
made by aborted transactions will still occupy disk space and that made by aborted transactions will still occupy disk space and that
we still need a permanent <filename>pg_clog</filename> file to hold we still need a permanent <filename>pg_clog</filename> file to hold
the status of transactions, since we are not able to re-use the status of transactions, since we are not able to re-use