In programming a journal is a file or other data structure containing a series of change records but can be replayed to reconstruct an operation.
On Thu, 30 Jan 2020, 05:29 Peng Yu, <pengyu...@gmail.com> wrote: > Hi, > > https://www.sqlite.org/lockingv3.html#rollback > > "When a process wants to change a database file (and it is not in WAL > mode), it first records the original unchanged database content in a > rollback journal. The rollback journal is an ordinary disk file that > is always located in the same directory or folder as the database file > and has the same name as the database file with the addition of a > -journal suffix. The rollback journal also records the initial size of > the database so that if the database file grows it can be truncated > back to its original size on a rollback." > > I got confused about the above statement about the rollback journal. > The sentence "The rollback journal ..." appears to be a definition. > But it is not. > > I think that the following can be considered as a definition. Given > the above sentence appears in a section named "4.0 The Rollback > Journal". I think it should be changed to a definition to avoid > confusion. > > https://www.sqlite.org/tempfiles.html > > "A rollback journal is a temporary file used to implement atomic > commit and rollback capabilities in SQLite." > > Regarding the choice of the word "journal", the only relevant entry > about "journal" in the Oxford dictionary is this. Is "journal" just a > fancy way of saying "record file"? Thanks. > > """ > 2 a daily record of news and events of a personal nature; a diary. > • Nautical a logbook. > • (the Journals) a record of the daily proceedings in the British > Houses of Parliament. > • (in bookkeeping) a daily record of business transactions with a > statement of the accounts to which each is to be debited and credited. > """ > > -- > Regards, > Peng > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
