Re: PGRES_POLLING_ACTIVE is unused...

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Lennert Buytenhek <buytenh(at)gnu(dot)org>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: PGRES_POLLING_ACTIVE is unused...
Date: 2003-03-17 19:56:53
Message-ID: 200303171956.h2HJurP19507@candle.pha.pa.us
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Your patch has been added to the PostgreSQL unapplied patches list at:

http://momjian.postgresql.org/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

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

Lennert Buytenhek wrote:
> ...any reason why it is there at all?
>
> (Please CC, not on this list.)
>
>
>
> diff -urN postgresql-7.3.2.orig/doc/src/sgml/libpq.sgml postgresql-7.3.2/doc/src/sgml/libpq.sgml
> --- postgresql-7.3.2.orig/doc/src/sgml/libpq.sgml 2003-01-30 20:50:07.000000000 +0100
> +++ postgresql-7.3.2/doc/src/sgml/libpq.sgml 2003-02-26 17:20:34.000000000 +0100
> @@ -316,9 +316,7 @@
> </para>
> <para>
> If <function>PQconnectStart</> succeeds, the next stage is to poll <application>libpq</> so that it may
> - proceed with the connection sequence. Loop thus: Consider a connection
> - <quote>inactive</quote> by default. If <function>PQconnectPoll</function> last returned <symbol>PGRES_POLLING_ACTIVE</>,
> - consider it <quote>active</quote> instead. If <function>PQconnectPoll(conn)</function> last returned
> + proceed with the connection sequence. Loop thus: If <function>PQconnectPoll(conn)</function> last returned
> <symbol>PGRES_POLLING_READING</symbol>, perform a <function>select()</> for reading on <function>PQsocket(conn)</function>. If
> it last returned <symbol>PGRES_POLLING_WRITING</symbol>, perform a <function>select()</> for writing on
> <function>PQsocket(conn)</function>. If you have yet to call <function>PQconnectPoll</function>, i.e. after the call
> diff -urN postgresql-7.3.2.orig/src/interfaces/libpq/fe-connect.c postgresql-7.3.2/src/interfaces/libpq/fe-connect.c
> --- postgresql-7.3.2.orig/src/interfaces/libpq/fe-connect.c 2003-01-30 20:50:07.000000000 +0100
> +++ postgresql-7.3.2/src/interfaces/libpq/fe-connect.c 2003-02-26 17:19:04.000000000 +0100
> @@ -1090,9 +1090,6 @@
> */
> switch (flag)
> {
> - case PGRES_POLLING_ACTIVE:
> - break;
> -
> case PGRES_POLLING_OK:
> return 1; /* success! */
>
> @@ -1804,9 +1801,6 @@
> */
> switch (flag)
> {
> - case PGRES_POLLING_ACTIVE:
> - break;
> -
> case PGRES_POLLING_OK:
> return true; /* success! */
>
> diff -urN postgresql-7.3.2.orig/src/interfaces/libpq/libpq-fe.h postgresql-7.3.2/src/interfaces/libpq/libpq-fe.h
> --- postgresql-7.3.2.orig/src/interfaces/libpq/libpq-fe.h 2002-09-04 22:31:47.000000000 +0200
> +++ postgresql-7.3.2/src/interfaces/libpq/libpq-fe.h 2003-02-26 17:19:22.000000000 +0100
> @@ -65,7 +65,6 @@
> PGRES_POLLING_READING, /* These two indicate that one may */
> PGRES_POLLING_WRITING, /* use select before polling again. */
> PGRES_POLLING_OK,
> - PGRES_POLLING_ACTIVE /* Can call poll function immediately. */
> } PostgresPollingStatusType;
>
> typedef enum
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

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