Re: [sqlite] Write-Ahead Logging -- documentation error

2016-05-29 Thread David Empson
After some head scratching, I’ll retract my previous message. The documentation (as revised last week) is correct. The previous version of wal.html mentioning “read mark” had led me down the wrong path in understanding which bit of the WAL was protected while a read lock was active. There is

Re: [sqlite] Write-Ahead Logging -- documentation error

2016-05-27 Thread David Empson
> On 26/05/2016, at 3:17 AM, Jeffrey Mattox wrote: > > This page: > https://www.sqlite.org/wal.html > Contains the phrase, "... the checkpoint must stop when it reaches a page in > the WAL that is past the read mark of any current reader." > > The term, "read mark" is not

[sqlite] Write-Ahead Logging -- documentation error

2016-05-25 Thread Jeffrey Mattox
This page: https://www.sqlite.org/wal.html Contains the phrase, "... the checkpoint must stop when it reaches a page in the WAL that is past the read mark of any current reader." The term, "read mark" is not defined on that page. Should that be "end mark"? Jeff