Updated pg_dumpall and psql to preserve database owners.

src/bin/pg_dump/pg_dumpall

@@ -12,25 +12,27 @@ then
 else
 	BS='\\'			# System V
 fi
-psql -l -A -q -t| tr '|' ' ' | grep -v '^template1 ' | \
-while read DATABASE USERID USER
-do
-	echo "${BS}connect template1"
-	echo "create database $DATABASE;"
-	echo "${BS}connect $DATABASE"
-	pg_dump "$@" $DATABASE
-done
-echo "${BS}connect template1"
-echo "copy pg_user from stdin;"
 #
 # Dump everyone but the postgres user
 # initdb creates him
 #
+# get the postgres user id
+#
 POSTGRES_SUPER_USER_ID="`psql -A -q -t template1 <<END
 select datdba
 from pg_database
 where datname = 'template1';
 END`"
+echo "${BS}connect template1"
+#
+# delete all users in case they run this twice
+#
+echo "delete from pg_user"
+echo "where usesysid <> $POSTGRES_SUPER_USER_ID;"
+#
+# load all the non-postgres users
+#
+echo "copy pg_user from stdin;"
 psql -q template1 <<END
 select pg_user.* into table tmp_pg_user
 from pg_user
@@ -39,3 +41,18 @@ copy tmp_pg_user to stdout;
 drop table tmp_pg_user;
 END
 echo "${BS}."
+psql -l -A -q -t| tr '|' ' ' | grep -v '^template1 ' | \
+while read DATABASE PGUSERID DATAPATH
+do
+	POSTGRES_USER="`psql -A -q -t template1 <<END
+select usename
+from pg_user
+where usesysid = $PGUSERID;
+END`"
+
+	echo "${BS}connect template1 $POSTGRES_USER"
+	echo "create database $DATABASE;"
+	echo "${BS}connect $DATABASE $POSTGRES_USER"
+	pg_dump "$@" $DATABASE
+done
+# done

src/bin/psql/psql.c

@@ -7,11 +7,12 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/bin/psql/Attic/psql.c,v 1.59 1997/04/10 11:54:29 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/bin/psql/Attic/psql.c,v 1.60 1997/05/21 03:12:02 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <signal.h>
 #include <errno.h>
@@ -155,7 +156,7 @@ slashUsage(PsqlSettings * ps)
     fprintf(stderr, " \\?           -- help\n");
     fprintf(stderr, " \\a           -- toggle field-alignment (currenty %s)\n", on(ps->opt.align));
     fprintf(stderr, " \\C [<captn>] -- set html3 caption (currently '%s')\n", ps->opt.caption ? ps->opt.caption : "");
-    fprintf(stderr, " \\connect <dbname>  -- connect to new database (currently '%s')\n", PQdb(ps->db));
+    fprintf(stderr, " \\connect <dbname> <user> -- connect to new database (currently '%s')\n", PQdb(ps->db));
     fprintf(stderr, " \\copy table {from | to} <fname>\n");
     fprintf(stderr, " \\d [<table>] -- list tables in database or columns in <table>, * for all\n");
     fprintf(stderr, " \\e [<fname>] -- edit the current query buffer or <fname>, \\E execute too\n");
@@ -825,7 +826,9 @@ do_copy(const char *args, PsqlSettings * settings)
 
 
 static void
-do_connect(const char *new_dbname, PsqlSettings * settings)
+do_connect(const char *new_dbname,
+		const char *new_user,
+		PsqlSettings * settings)
 {
 
     char           *dbname = PQdb(settings->db);
@@ -833,11 +836,26 @@ do_connect(const char *new_dbname, PsqlSettings * settings)
 	fprintf(stderr, "\\connect must be followed by a database name\n");
     else {
 	PGconn          *olddb = settings->db;
+	char		*userenv;
 
 	printf("closing connection to database: %s\n", dbname);
+	if (new_user != NULL) {
+		/*
+		   PQsetdb() does not allow us to specify the user,
+		   so we have to do it via PGUSER
+		*/
+	    userenv = malloc(strlen("PGUSER=") + strlen(new_user) + 1);
+	    sprintf(userenv,"PGUSER=%s",new_user);
+	    putenv(userenv);
+	    free(userenv);
+	}
 	settings->db = PQsetdb(PQhost(olddb), PQport(olddb),
 			       NULL, NULL, new_dbname);
+	if (!new_user)
 	    printf("connecting to new database: %s\n", new_dbname);
+	else
+	    printf("connecting to new database: %s as user: %s\n",
+							new_dbname,new_user);
 	if (PQstatus(settings->db) == CONNECTION_BAD) {
 	    fprintf(stderr, "%s\n", PQerrorMessage(settings->db));
 	    printf("reconnecting to %s\n", dbname);
@@ -1037,12 +1055,19 @@ HandleSlashCmds(PsqlSettings * settings,
      * assuming it's not a one-character command.  If it's a one-character
      * command, this is meaningless.
      */
+    char           *optarg3;
+    /*
+     * Pointer inside the second <cmd> string to the argument of the slash command
+     * assuming it's not a one-character command.  If it's a one-character
+     * command, this is meaningless.
+     */
     char           *cmd;
     /*
      * String: value of the slash command, less the slash and with escape
      * sequences decoded.
      */
     int             blank_loc;
+    int             blank_loc2;
     /* Offset within <cmd> of first blank */
 
     cmd = malloc(strlen(line));	/* unescaping better not make string grow. */
@@ -1064,11 +1089,19 @@ HandleSlashCmds(PsqlSettings * settings,
 	optarg = NULL;
 
     blank_loc = strcspn(cmd, " \t");
-    if (blank_loc == 0)
+    if (blank_loc == 0) {
 	optarg2 = NULL;
-    else
+	optarg3 = NULL;
+    } else {
 	optarg2 = cmd + blank_loc + strspn(cmd + blank_loc, " \t");
-
+    	blank_loc2 = strcspn(optarg2, " \t");
+    	if (blank_loc2 == 0 || *(optarg2 + blank_loc2) == '\0')
+	    optarg3 = NULL;
+	else {
+	    optarg3 = optarg2 + blank_loc2 + strspn(optarg2 + blank_loc2, " \t");
+	    *(optarg2 + blank_loc2) = '\0';
+	}
+    }
 		
     switch (cmd[0]) {
     case 'a':			/* toggles to align fields on output */
@@ -1092,9 +1125,9 @@ HandleSlashCmds(PsqlSettings * settings,
 	    if (strncmp(cmd, "copy ", strlen("copy ")) == 0)
 		do_copy(optarg2, settings);
 	    else if (strncmp(cmd, "connect ", strlen("connect ")) == 0)
-		do_connect(optarg2, settings);
+		do_connect(optarg2, optarg3, settings);
 	    else
-		do_connect(optarg, settings);
+		do_connect(optarg, optarg2,  settings);
 	}
 	break;
     case 'd':			/* \d describe tables or columns in a table */

src/man/psql.1

@@ -1,6 +1,6 @@
 .\" This is -*-nroff-*-
 .\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/psql.1,v 1.7 1997/04/10 11:58:59 scrappy Exp $
+.\" $Header: /cvsroot/pgsql/src/man/Attic/psql.1,v 1.8 1997/05/21 03:12:23 momjian Exp $
 .TH PSQL UNIX 1/20/96 PostgreSQL PostgreSQL
 .SH NAME
 psql \(em run the interactive query front-end
@@ -258,7 +258,7 @@ You should anyway.
 Toggle field alignment when printing out table elements.
 .IP "\eC \fIcaption\fR"
 Set the HTML3.0 table caption.
-.IP "\econnect \fIdbname\fR"
+.IP "\econnect \fIdbname\fR \fIusername\fR"
 Establish a connection to a new database. The previous connection is closed.
 .IP "\ecopy \fItable\fR {FROM | TO} \fIfilename\fR"
 Perform a frontend copy.  This is an operation that runs a SQL COPY command,