Move pg_upgrade from contrib/ to src/bin/

Reviewed-by: Michael Paquier <michael.paquier@gmail.com>

1 files changed, 0 insertions, 294 deletions

diff --git a/contrib/pg_upgrade/relfilenode.c b/contrib/pg_upgrade/relfilenode.c
deleted file mode 100644
index 423802bd239..00000000000
--- a/contrib/pg_upgrade/relfilenode.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- *	relfilenode.c
- *
- *	relfilenode functions
- *
- *	Copyright (c) 2010-2015, PostgreSQL Global Development Group
- *	contrib/pg_upgrade/relfilenode.c
- */
-
-#include "postgres_fe.h"
-
-#include "pg_upgrade.h"
-
-#include "catalog/pg_class.h"
-#include "access/transam.h"
-
-
-static void transfer_single_new_db(pageCnvCtx *pageConverter,
-					   FileNameMap *maps, int size, char *old_tablespace);
-static void transfer_relfile(pageCnvCtx *pageConverter, FileNameMap *map,
-				 const char *suffix);
-
-
-/*
- * transfer_all_new_tablespaces()
- *
- * Responsible for upgrading all database. invokes routines to generate mappings and then
- * physically link the databases.
- */
-void
-transfer_all_new_tablespaces(DbInfoArr *old_db_arr, DbInfoArr *new_db_arr,
-							 char *old_pgdata, char *new_pgdata)
-{
-	pg_log(PG_REPORT, "%s user relation files\n",
-	  user_opts.transfer_mode == TRANSFER_MODE_LINK ? "Linking" : "Copying");
-
-	/*
-	 * Transfering files by tablespace is tricky because a single database can
-	 * use multiple tablespaces.  For non-parallel mode, we just pass a NULL
-	 * tablespace path, which matches all tablespaces.  In parallel mode, we
-	 * pass the default tablespace and all user-created tablespaces and let
-	 * those operations happen in parallel.
-	 */
-	if (user_opts.jobs <= 1)
-		parallel_transfer_all_new_dbs(old_db_arr, new_db_arr, old_pgdata,
-									  new_pgdata, NULL);
-	else
-	{
-		int			tblnum;
-
-		/* transfer default tablespace */
-		parallel_transfer_all_new_dbs(old_db_arr, new_db_arr, old_pgdata,
-									  new_pgdata, old_pgdata);
-
-		for (tblnum = 0; tblnum < os_info.num_old_tablespaces; tblnum++)
-			parallel_transfer_all_new_dbs(old_db_arr,
-										  new_db_arr,
-										  old_pgdata,
-										  new_pgdata,
-										  os_info.old_tablespaces[tblnum]);
-		/* reap all children */
-		while (reap_child(true) == true)
-			;
-	}
-
-	end_progress_output();
-	check_ok();
-
-	return;
-}
-
-
-/*
- * transfer_all_new_dbs()
- *
- * Responsible for upgrading all database. invokes routines to generate mappings and then
- * physically link the databases.
- */
-void
-transfer_all_new_dbs(DbInfoArr *old_db_arr, DbInfoArr *new_db_arr,
-					 char *old_pgdata, char *new_pgdata, char *old_tablespace)
-{
-	int			old_dbnum,
-				new_dbnum;
-
-	/* Scan the old cluster databases and transfer their files */
-	for (old_dbnum = new_dbnum = 0;
-		 old_dbnum < old_db_arr->ndbs;
-		 old_dbnum++, new_dbnum++)
-	{
-		DbInfo	   *old_db = &old_db_arr->dbs[old_dbnum],
-				   *new_db = NULL;
-		FileNameMap *mappings;
-		int			n_maps;
-		pageCnvCtx *pageConverter = NULL;
-
-		/*
-		 * Advance past any databases that exist in the new cluster but not in
-		 * the old, e.g. "postgres".  (The user might have removed the
-		 * 'postgres' database from the old cluster.)
-		 */
-		for (; new_dbnum < new_db_arr->ndbs; new_dbnum++)
-		{
-			new_db = &new_db_arr->dbs[new_dbnum];
-			if (strcmp(old_db->db_name, new_db->db_name) == 0)
-				break;
-		}
-
-		if (new_dbnum >= new_db_arr->ndbs)
-			pg_fatal("old database \"%s\" not found in the new cluster\n",
-					 old_db->db_name);
-
-		mappings = gen_db_file_maps(old_db, new_db, &n_maps, old_pgdata,
-									new_pgdata);
-		if (n_maps)
-		{
-			print_maps(mappings, n_maps, new_db->db_name);
-
-#ifdef PAGE_CONVERSION
-			pageConverter = setupPageConverter();
-#endif
-			transfer_single_new_db(pageConverter, mappings, n_maps,
-								   old_tablespace);
-		}
-		/* We allocate something even for n_maps == 0 */
-		pg_free(mappings);
-	}
-
-	return;
-}
-
-
-/*
- * get_pg_database_relfilenode()
- *
- *	Retrieves the relfilenode for a few system-catalog tables.  We need these
- *	relfilenodes later in the upgrade process.
- */
-void
-get_pg_database_relfilenode(ClusterInfo *cluster)
-{
-	PGconn	   *conn = connectToServer(cluster, "template1");
-	PGresult   *res;
-	int			i_relfile;
-
-	res = executeQueryOrDie(conn,
-							"SELECT c.relname, c.relfilenode "
-							"FROM	pg_catalog.pg_class c, "
-							"		pg_catalog.pg_namespace n "
-							"WHERE	c.relnamespace = n.oid AND "
-							"		n.nspname = 'pg_catalog' AND "
-							"		c.relname = 'pg_database' "
-							"ORDER BY c.relname");
-
-	i_relfile = PQfnumber(res, "relfilenode");
-	cluster->pg_database_oid = atooid(PQgetvalue(res, 0, i_relfile));
-
-	PQclear(res);
-	PQfinish(conn);
-}
-
-
-/*
- * transfer_single_new_db()
- *
- * create links for mappings stored in "maps" array.
- */
-static void
-transfer_single_new_db(pageCnvCtx *pageConverter,
-					   FileNameMap *maps, int size, char *old_tablespace)
-{
-	int			mapnum;
-	bool		vm_crashsafe_match = true;
-
-	/*
-	 * Do the old and new cluster disagree on the crash-safetiness of the vm
-	 * files?  If so, do not copy them.
-	 */
-	if (old_cluster.controldata.cat_ver < VISIBILITY_MAP_CRASHSAFE_CAT_VER &&
-		new_cluster.controldata.cat_ver >= VISIBILITY_MAP_CRASHSAFE_CAT_VER)
-		vm_crashsafe_match = false;
-
-	for (mapnum = 0; mapnum < size; mapnum++)
-	{
-		if (old_tablespace == NULL ||
-			strcmp(maps[mapnum].old_tablespace, old_tablespace) == 0)
-		{
-			/* transfer primary file */
-			transfer_relfile(pageConverter, &maps[mapnum], "");
-
-			/* fsm/vm files added in PG 8.4 */
-			if (GET_MAJOR_VERSION(old_cluster.major_version) >= 804)
-			{
-				/*
-				 * Copy/link any fsm and vm files, if they exist
-				 */
-				transfer_relfile(pageConverter, &maps[mapnum], "_fsm");
-				if (vm_crashsafe_match)
-					transfer_relfile(pageConverter, &maps[mapnum], "_vm");
-			}
-		}
-	}
-}
-
-
-/*
- * transfer_relfile()
- *
- * Copy or link file from old cluster to new one.
- */
-static void
-transfer_relfile(pageCnvCtx *pageConverter, FileNameMap *map,
-				 const char *type_suffix)
-{
-	const char *msg;
-	char		old_file[MAXPGPATH];
-	char		new_file[MAXPGPATH];
-	int			fd;
-	int			segno;
-	char		extent_suffix[65];
-
-	/*
-	 * Now copy/link any related segments as well. Remember, PG breaks large
-	 * files into 1GB segments, the first segment has no extension, subsequent
-	 * segments are named relfilenode.1, relfilenode.2, relfilenode.3. copied.
-	 */
-	for (segno = 0;; segno++)
-	{
-		if (segno == 0)
-			extent_suffix[0] = '\0';
-		else
-			snprintf(extent_suffix, sizeof(extent_suffix), ".%d", segno);
-
-		snprintf(old_file, sizeof(old_file), "%s%s/%u/%u%s%s",
-				 map->old_tablespace,
-				 map->old_tablespace_suffix,
-				 map->old_db_oid,
-				 map->old_relfilenode,
-				 type_suffix,
-				 extent_suffix);
-		snprintf(new_file, sizeof(new_file), "%s%s/%u/%u%s%s",
-				 map->new_tablespace,
-				 map->new_tablespace_suffix,
-				 map->new_db_oid,
-				 map->new_relfilenode,
-				 type_suffix,
-				 extent_suffix);
-
-		/* Is it an extent, fsm, or vm file? */
-		if (type_suffix[0] != '\0' || segno != 0)
-		{
-			/* Did file open fail? */
-			if ((fd = open(old_file, O_RDONLY, 0)) == -1)
-			{
-				/* File does not exist?  That's OK, just return */
-				if (errno == ENOENT)
-					return;
-				else
-					pg_fatal("error while checking for file existence \"%s.%s\" (\"%s\" to \"%s\"): %s\n",
-							 map->nspname, map->relname, old_file, new_file,
-							 getErrorText(errno));
-			}
-			close(fd);
-		}
-
-		unlink(new_file);
-
-		/* Copying files might take some time, so give feedback. */
-		pg_log(PG_STATUS, "%s", old_file);
-
-		if ((user_opts.transfer_mode == TRANSFER_MODE_LINK) && (pageConverter != NULL))
-			pg_fatal("This upgrade requires page-by-page conversion, "
-					 "you must use copy mode instead of link mode.\n");
-
-		if (user_opts.transfer_mode == TRANSFER_MODE_COPY)
-		{
-			pg_log(PG_VERBOSE, "copying \"%s\" to \"%s\"\n", old_file, new_file);
-
-			if ((msg = copyAndUpdateFile(pageConverter, old_file, new_file, true)) != NULL)
-				pg_fatal("error while copying relation \"%s.%s\" (\"%s\" to \"%s\"): %s\n",
-						 map->nspname, map->relname, old_file, new_file, msg);
-		}
-		else
-		{
-			pg_log(PG_VERBOSE, "linking \"%s\" to \"%s\"\n", old_file, new_file);
-
-			if ((msg = linkAndUpdateFile(pageConverter, old_file, new_file)) != NULL)
-				pg_fatal("error while creating link for relation \"%s.%s\" (\"%s\" to \"%s\"): %s\n",
-						 map->nspname, map->relname, old_file, new_file, msg);
-		}
-	}
-
-	return;
-}