Fujii Masao wrote: > On Fri, Dec 18, 2009 at 11:42 AM, Fujii Masao <masao.fu...@gmail.com> wrote: >> Okey. Design clarification again; >> >> 0. Begin by connecting to the master using PQconnectdb() with new conninfo >> option specifying the request of replication. The startup packet with the >> request is sent to the master, then the backend switches to the walsender >> mode. The walsender goes into the main loop and wait for the request from >> the walreceiver. > <snip> >> 4. Start replication >> >> Slave -> Master: Query message, with query string "START REPLICATION: >> XXXX", where XXXX is the RecPtr of the starting point. >> >> Master -> Slave: CopyOutResponse followed by a continuous stream of >> CopyData messages with WAL contents. > > Done. Currently there is no new libpq function for replication. The > walreceiver uses only existing functions like PQconnectdb, PQexec, > PQgetCopyData, etc.
Ok thanks, sounds good, I'll take a look. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
