Re: Lack of docs for libpq C Library - Mailing list pgsql-docs

From Bruce Momjian
Subject Re: Lack of docs for libpq C Library
Date
Msg-id 200801311601.m0VG1Mh28607@momjian.us
Whole thread Raw
In response to Re: Lack of docs for libpq C Library  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: Lack of docs for libpq C Library
List pgsql-docs
Alvaro Herrera wrote:
> Bruce Momjian wrote:
> > Pavel Golub wrote:
> > > Hello, pgsql-docs.
> > >
> > > I noticed that some exported functions are not documented in the
> > > Chapter 30. However, there are some info about them in other chapters,
> > > e.g. PQclientEncoding using is described in chapter 22.2.3 "Automatic
> > > Character Set Conversion Between Server and Client".
> >
> > Though they are exported, the are more for internal use, e.g. psql,
> > rather than something we want people using --- they can change from
> > release to release.
>
> I disagree.  I think PQinitSSL is meant to be called from the
> application, for example.  Same with PQsetClientEncoding.  And the

I see PQinitSSL and PQsetClientEncoding mentioned in the documentation;
is it lacking enough detail?

> PQExpBuffer stuff is all very useful, and years ago when I wrote an app
> to use it it annoyed me that there were no docs on it.  (Back then, I
> didn't realize I could have complained about it or written the docs
> myself).

True but we don't guarantee the API of many of these functions like we
do the documented ones.

---------------------------------------------------------------------------


>
>
> > ---------------------------------------------------------------------------
> >
> >
> > >
> > > This is the list of exported functions without docs:
> > > ================
> > > PQclientEncoding
> > > PQsetClientEncoding
> > > PQconninfoFree
> > > PQdsplen
> > > PQenv2encoding
> > > PQinitSSL
> > > PQmblen
> > > PQregisterThreadLock
> > > appendPQExpBuffer
> > > appendPQExpBufferChar
> > > appendPQExpBufferStr
> > > createPQExpBuffer
> > > destroyPQExpBuffer
> > > enlargePQExpBuffer
> > > initPQExpBuffer
> > > appendBinaryPQExpBuffer
> > > pg_char_to_encoding
> > > pg_encoding_to_char
> > > pg_utf_mblen
> > > pg_valid_server_encoding
> > > pgresStatus
> > > pqsignal
> > > printfPQExpBuffer
> > > resetPQExpBuffer
> > > termPQExpBuffer
>
>
> --
> Alvaro Herrera                                http://www.CommandPrompt.com/
> The PostgreSQL Company - Command Prompt, Inc.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

pgsql-docs by date:

Previous
From: Alvaro Herrera
Date:
Subject: Re: Lack of docs for libpq C Library
Next
From: Tom Lane
Date:
Subject: Re: Lack of docs for libpq C Library