Re: Documentation Update: Document pg_start_backup checkpoint behavior

Tom Lane <tgl@sss.pgh.pa.us> wrote: 
> I'm going to go ahead and make this happen, using the arrangement
> 
> pg_start_backup('label') -> slow checkpoint (backwards compatible)
> pg_start_backup('label', false) -> slow checkpoint
> pg_start_backup('label', true) -> immediate checkpoint
Probably a dumb question, but just to be sure: none of these functions
will return before the checkpoint is complete, right?  (In other
words, when the function returns, it is safe to begin the base
backup?)
-Kevin