Re: [Postgres-xc-developers] statement_timestamp

>
> Can you remind me regarding statement_timestamp()? From the commit log:
>
>     This commit supports global timestamp values for now(),
> statement_timestamp,
>     transaction_timestamp,current_date, current_time, current_timestamp,
>     localtime, local_timestamp and now().
>
>     clock_timestamp and timeofday make their calculation based
>     on the local server clock so they get their results from the local
> node where it is run.
>     Their use could lead to inconsistencies if used in a transaction
> involving several Datanodes.
>
>
> For statement_timestamp() do we perform a separate operation through
> GTM, or do we do a delta similar to clock_timestamp()?
>
statement_timestamo and transaction timestamp base their calculations based
on delta calculated with GTM.
clock_timestamp does not do anything with GTM, it just uses the local node
timestamp.

-- 
Michael Paquier
http://michaelpq.users.sourceforge.net