Give a try to: man 2 time man 3 ctime 2010/1/11 Yan Cheng Cheok <yccheok@xxxxxxxxx>: > I know I can convert SQL timestamp to unix timestamp, using the following way. > > SELECT extract(epoch FROM now()); > > Now, I have a stored procedure function, which will directly return a table row to the caller. One of the row field is "timestamp" type. > > In my application, I am using libpq. I wish to use libpq functions (or any c/c++ function), to convert "2010-01-11 13:10:55.283" into unix timestamp. Off course, I can create another stored procedure named > > SQLTimestamp2UnixTimestamp > SELECT extract(epoch FROM $1); > > But I just wish to accomplish this task with a single c/c++ function call, without involving stored procedure. > > Any suggestion? Thanks! > > Thanks and Regards > Yan Cheng CHEOK > > > > > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > -- Vincenzo Romano NotOrAnd Information Technologies cel. +39 339 8083886 | gtalk. vincenzo.romano@xxxxxxxxxxx fix. +39 0823 454163 | skype. notorand.it fax. +39 02 700506964 | msn. notorand.it NON QVIETIS MARIBVS NAVTA PERITVS -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general