UNDO - Mailing list pgsql-admin

From Carlos Benkendorf
Subject UNDO
Date
Msg-id 20040621160924.42151.qmail@web60305.mail.yahoo.com
Whole thread Raw
Responses Re: UNDO  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-admin
Hi,

In 7.4 manual is written than UNDO is not implemented.

What it really means?

When should PostgreSQL do an UNDO? Are not all data
only written to disk when it is committed? Why should
Postgresql do an undo?

Thanks in advance!


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