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-rw-r--r--contrib/pg_upgrade/relfilenode.c294
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;
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-01 15:53:56 +0000