Обсуждение: Re: [GENERAL] Querying libpq compile time options
Tom Lane wrote: > "Larry Rosenman" <lrosenman@pervasive.com> writes: >>> Uh, it is an _admin_ function, not an application programmer >>> function. > >> but libpq is the only thing that knows where it is, and I had >> proposed a way for psql to use the function to get it. > > It'd make more sense for pg_config to expose this as one of the > available information bits. The difference from the thread-support > case is that you'd typically want to get the pg_service.conf location > manually, and that's exactly what pg_config is designed for. > Verifying thread support, on the other hand, is something that a > program would want to do. It still gets into the messiness of pg_config doesn't load libpq, and there could be a mis-match. -- Larry Rosenman Database Support Engineer PERVASIVE SOFTWARE. INC. 12365B RIATA TRACE PKWY 3015 AUSTIN TX 78727-6531 Tel: 512.231.6173 Fax: 512.231.6597 Email: Larry.Rosenman@pervasive.com Web: www.pervasive.com
Larry Rosenman wrote: > Tom Lane wrote: > > "Larry Rosenman" <lrosenman@pervasive.com> writes: > >>> Uh, it is an _admin_ function, not an application programmer > >>> function. > > > >> but libpq is the only thing that knows where it is, and I had > >> proposed a way for psql to use the function to get it. > > > > It'd make more sense for pg_config to expose this as one of the > > available information bits. The difference from the thread-support > > case is that you'd typically want to get the pg_service.conf location > > manually, and that's exactly what pg_config is designed for. > > Verifying thread support, on the other hand, is something that a > > program would want to do. > > It still gets into the messiness of pg_config doesn't load libpq, and > there could be a mis-match. That is the administrator's job, to make sure they match. Applications programmers can't do that. -- Bruce Momjian http://candle.pha.pa.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +