Move pg_upgrade shared library out into its own /contrib directory

(pg_upgrade_support).

contrib/Makefile

-# $PostgreSQL: pgsql/contrib/Makefile,v 1.91 2010/05/12 16:50:58 tgl Exp $
+# $PostgreSQL: pgsql/contrib/Makefile,v 1.92 2010/05/13 01:03:00 momjian Exp $
 
 subdir = contrib
 top_builddir = ..
@@ -32,6 +32,7 @@ SUBDIRS = \
 		pg_stat_statements \
 		pg_trgm		\
 		pg_upgrade	\
+		pg_upgrade_support \
 		pgbench		\
 		pgcrypto	\
 		pgrowlocks	\

contrib/pg_upgrade/Makefile

 #
 # Makefile for pg_upgrade
 #
-#	targets:	all, clean, install, uninstall 
-#
-# This Makefile generates an executable and a shared object file
-#
 
 PGFILEDESC = "pg_upgrade - an in-place binary upgrade utility"
 PGAPPICON = win32
@@ -14,8 +10,6 @@ OBJS = check.o controldata.o dump.o exec.o file.o function.o info.o \
        option.o page.o pg_upgrade.o relfilenode.o server.o \
        tablespace.o util.o version.o version_old_8_3.o $(WIN32RES)
 
-MODULES = pg_upgrade_sysoids
-
 PG_CPPFLAGS  = -DFRONTEND -DDLSUFFIX=\"$(DLSUFFIX)\" -I$(srcdir) -I$(libpq_srcdir)
 PG_LIBS = $(libpq_pgport)
 

contrib/pg_upgrade/check.c

@@ -232,15 +232,15 @@ check_cluster_compatibility(migratorContext *ctx, bool live_check)
 	FILE	   *lib_test;
 
 	/*
-	 * Test pg_upgrade_sysoids.so is in the proper place.	 We cannot copy it
+	 * Test pg_upgrade_support.so is in the proper place.	 We cannot copy it
 	 * ourselves because install directories are typically root-owned.
 	 */
-	snprintf(libfile, sizeof(libfile), "%s/pg_upgrade_sysoids%s", ctx->new.libpath,
+	snprintf(libfile, sizeof(libfile), "%s/pg_upgrade_support%s", ctx->new.libpath,
 			 DLSUFFIX);
 
 	if ((lib_test = fopen(libfile, "r")) == NULL)
 		pg_log(ctx, PG_FATAL,
-			   "\npg_upgrade%s must be created and installed in %s\n", DLSUFFIX, libfile);
+			   "\npg_upgrade_support%s must be created and installed in %s\n", DLSUFFIX, libfile);
 	else
 		fclose(lib_test);
 

contrib/pg_upgrade/function.c

@@ -42,43 +42,43 @@ install_support_functions(migratorContext *ctx)
 								  "CREATE OR REPLACE FUNCTION "
 					 "		binary_upgrade.set_next_pg_type_oid(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 			   "		binary_upgrade.set_next_pg_type_array_oid(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 			   "		binary_upgrade.set_next_pg_type_toast_oid(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 				"		binary_upgrade.set_next_heap_relfilenode(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 			   "		binary_upgrade.set_next_toast_relfilenode(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 			   "		binary_upgrade.set_next_index_relfilenode(OID) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQclear(executeQueryOrDie(ctx, conn,
 								  "CREATE OR REPLACE FUNCTION "
 			 "		binary_upgrade.add_pg_enum_label(OID, OID, NAME) "
 								  "RETURNS VOID "
-								  "AS '$libdir/pg_upgrade_sysoids' "
+								  "AS '$libdir/pg_upgrade_support' "
 								  "LANGUAGE C STRICT;"));
 		PQfinish(conn);
 	}

contrib/pg_upgrade_support/Makefile

+#
+# Makefile for pg_upgrade_support
+#
+
+PGFILEDESC = "pg_upgrade_support - shared library functions for pg_upgrade"
+
+MODULES = pg_upgrade_support
+
+ifdef USE_PGXS
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)
+else
+subdir = contrib/pg_upgrade
+top_builddir = ../..
+include $(top_builddir)/src/Makefile.global
+include $(top_srcdir)/contrib/contrib-global.mk
+endif

doc/src/sgml/pgupgrade.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/pgupgrade.sgml,v 1.1 2010/05/12 02:19:11 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/pgupgrade.sgml,v 1.2 2010/05/13 01:03:01 momjian Exp $ -->
 
 <sect1 id="pgupgrade">
  <title>pg_upgrade</title>
@@ -97,6 +97,13 @@ gmake prefix=/usr/local/pgsql.new install
     </para>
    </listitem>
  
+   <listitem>
+    <para>
+     Install <application>pg_upgrade</> and
+     <application>pg_upgrade_support</> in the new PostgreSQL cluster
+    </para>
+   </listitem>
+ 
    <listitem>
     <para>
      Initialize the new PostgreSQL cluster
@@ -123,12 +130,6 @@ gmake prefix=/usr/local/pgsql.new install
         delete the empty <literal>edb</> schema in the <literal>enterprisedb</> database
        </para>
       </listitem>
-      <listitem>
-       <para>
-        copy dbserver/lib/pgmemcache.so from the old server
-        to the new server (AS8.3 to AS8.3R2 migrations only)
-       </para>
-      </listitem>
      </itemizedlist>
     </para>
    </listitem>