Since I needed this feature badly, I added the -n / --schema switch to

pg_restore. It restores the given schemaname only. It can be used in
conjunction with the -t and other switches to make the selection very
fine grained.

Richard van den Bergg, CISSP

Author: bmomjian

doc/src/sgml/ref/pg_restore.sgml

@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/pg_restore.sgml,v 1.51 2005/05/29 03:32:18 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/pg_restore.sgml,v 1.52 2005/06/09 17:56:51 momjian Exp $ -->
 
 <refentry id="APP-PGRESTORE">
  <refmeta>
@@ -239,6 +239,18 @@
       </listitem>
      </varlistentry>
 
+     <varlistentry>
+      <term><option>-n <replaceable class="parameter">namespace</replaceable></option></term>
+      <term><option>--schema=<replaceable class="parameter">schema</replaceable></option></term>
+      <listitem>
+       <para>
+        Restore only definitions and/or data in the named schema. Not to be
+        confused with the <option>-s</option> option.  This can be combined with
+        <option>-t</option> option.
+       </para>
+      </listitem>
+     </varlistentry>
+
      <varlistentry>
       <term><option>-O</option></term>
       <term><option>--no-owner</option></term>

src/bin/pg_dump/pg_backup.h

@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.34 2004/11/06 19:36:01 tgl Exp $
+ *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.35 2005/06/09 17:56:51 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -98,6 +98,7 @@ typedef struct _restoreOptions
 	char	   *indexNames;
 	char	   *functionNames;
 	char	   *tableNames;
+	char	   *schemaNames;
 	char	   *triggerNames;
 
 	int			useDB;

src/bin/pg_dump/pg_backup_archiver.c

@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.109 2005/05/17 17:30:29 tgl Exp $
+ *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.110 2005/06/09 17:56:51 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1997,6 +1997,14 @@ _tocEntryRequired(TocEntry *te, RestoreOptions *ropt, bool include_acls)
 	/* Check if tablename only is wanted */
 	if (ropt->selTypes)
 	{
+		if (ropt->schemaNames)
+		{
+			/* If no namespace is specified, it means all. */
+			if (!te->namespace)
+				return 0;
+			if(strcmp(ropt->schemaNames, te->namespace) != 0)
+				return 0;
+		}
 		if ((strcmp(te->desc, "TABLE") == 0) || (strcmp(te->desc, "TABLE DATA") == 0))
 		{
 			if (!ropt->selTable)

src/bin/pg_dump/pg_restore.c

@@ -34,7 +34,7 @@
  *
  *
  * IDENTIFICATION
- *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_restore.c,v 1.70 2005/04/29 07:08:06 neilc Exp $
+ *		$PostgreSQL: pgsql/src/bin/pg_dump/pg_restore.c,v 1.71 2005/06/09 17:56:51 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"no-reconnect", 0, NULL, 'R'},
 		{"port", 1, NULL, 'p'},
 		{"password", 0, NULL, 'W'},
+		{"schema", 1, NULL, 'n'},
 		{"schema-only", 0, NULL, 's'},
 		{"superuser", 1, NULL, 'S'},
 		{"table", 1, NULL, 't'},
@@ -141,7 +142,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:iI:lL:Op:P:RsS:t:T:uU:vWxX:",
+	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:iI:lL:n:Op:P:RsS:t:T:uU:vWxX:",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -223,6 +224,11 @@ main(int argc, char **argv)
 				opts->tableNames = strdup(optarg);
 				break;
 
+			case 'n':			/* Dump data for this schema only */
+				opts->selTypes = 1;
+				opts->schemaNames = strdup(optarg);
+				break;
+
 			case 'u':
 				opts->requirePassword = true;
 				opts->username = simple_prompt("User name: ", 100, true);
@@ -375,6 +381,7 @@ usage(const char *progname)
 	printf(_("  -I, --index=NAME         restore named index\n"));
 	printf(_("  -L, --use-list=FILENAME  use specified table of contents for ordering\n"
 			 "                           output from this file\n"));
+	printf(_("  -n, --schema=NAME        restore only objects in this schema\n"));
 	printf(_("  -O, --no-owner           skip restoration of object ownership\n"));
 	printf(_("  -P, --function=NAME(args)\n"
 			 "                           restore named function\n"));