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First phase of FE/BE protocol modifications: new StartupPacket layout

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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.
This commit is contained in:
Tom Lane
2003-04-17 22:26:02 +00:00
parent 76fd678c06
commit cb7fb3ca95
16 changed files with 436 additions and 300 deletions
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19
doc/src/sgml/libpq.sgml
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@ -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(This is obsolete, since the server no longer pays attention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 */