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authorTom Lane <tgl@sss.pgh.pa.us>2003-04-17 22:26:02 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2003-04-17 22:26:02 +0000
commitcb7fb3ca958ec8bd5a14e740c067f1d096af3454 (patch)
tree3494f623627ebebb9590c0ab993297a719bfe7f2 /doc/src
parent76fd678c06b826ae50aac5c4afb2e01e69d2b405 (diff)
First phase of FE/BE protocol modifications: new StartupPacket layout
with variable-width fields. No more truncation of long user names. Also, libpq can now send its environment-variable-driven SET commands as part of the startup packet, saving round trips to server.
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/libpq.sgml19
1 files changed, 8 insertions, 11 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 4d9c249c839..a1f8d6b5f6b 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -1,5 +1,5 @@
<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.117 2003/03/25 16:15:37 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.118 2003/04/17 22:26:00 tgl Exp $
-->
<chapter id="libpq">
@@ -193,7 +193,7 @@ PGconn *PQconnectdb(const char *conninfo);
<term><literal>tty</literal></term>
<listitem>
<para>
- A file or <acronym>TTY</acronym> for optional debug output from the server.
+ Ignored (formerly, this specified where to send server debug output).
</para>
</listitem>
</varlistentry>
@@ -669,6 +669,9 @@ char *PQport(const PGconn *conn);
<listitem>
<para>
Returns the debug <acronym>TTY</acronym> of the connection.
+ (This is obsolete, since the server no longer pays attention
+ to the <acronym>TTY</acronym> setting, but the function remains
+ for backwards compatibility.)
<synopsis>
char *PQtty(const PGconn *conn);
</synopsis>
@@ -2365,12 +2368,6 @@ the <productname>PostgreSQL</productname> server.
</listitem>
<listitem>
<para>
-<envar>PGTTY</envar> sets the file or <acronym>TTY</> on which debugging
-messages from the server are displayed.
-</para>
-</listitem>
-<listitem>
-<para>
<envar>PGREQUIRESSL</envar> sets whether or not the connection must be
made over <acronym>SSL</acronym>. If set to
<quote>1</quote>, <application>libpq</>
@@ -2678,7 +2675,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
- pgtty = NULL; /* debugging tty for the backend server */
+ pgtty = NULL; /* unused */
dbName = "template1";
/* make a connection to the database */
@@ -2826,7 +2823,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
- pgtty = NULL; /* debugging tty for the backend server */
+ pgtty = NULL; /* unused */
dbName = getenv("USER"); /* change this to the name of your test
* database */
@@ -2950,7 +2947,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
- pgtty = NULL; /* debugging tty for the backend server */
+ pgtty = NULL; /* unused */
dbName = getenv("USER"); /* change this to the name of your test
* database */