Oliver Jowett <oliver@opencloud.com> writes:
> Sivakumar K wrote:
>> Do we have an API like mysql_ping to check whether the server is up and
>> running after the connection has been established?
> At the protocol level, you could send Sync and wait for ReadyForQuery.
At the client level, the easiest thing is probably to execute an empty
query string.
regards, tom lane