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pg_dump, pg_upgrade: allow postgres/template1 tablespace moves

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Modify pg_dump to restore postgres/template1 databases to non-default
tablespaces by switching out of the database to be moved, then switching
back.

Also, to fix potentially cases where the old/new tablespaces might not
match, fix pg_upgrade to process new/old tablespaces separately in all
cases.

Report by Marti Raudsepp

Patch by Marti Raudsepp, me

Backpatch through 9.0
This commit is contained in:
Bruce Momjian
2015-09-11 15:51:10 -04:00
parent a3b420e6c8
commit c5391e9334
2 changed files with 38 additions and 2 deletions
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18
contrib/pg_upgrade/info.c
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@ -92,6 +92,7 @@ create_rel_filename_map(const char *old_data, const char *new_data,
const RelInfo *old_rel, const RelInfo *new_rel,
FileNameMap *map)
{
/* In case old/new tablespaces don't match, do them separately. */
if (strlen(old_rel->tablespace) == 0)
{
/*
@ -100,14 +101,27 @@ create_rel_filename_map(const char *old_data, const char *new_data,
*/
snprintf(map->old_dir, sizeof(map->old_dir), "%s/base/%u", old_data,
old_db->db_oid);
snprintf(map->new_dir, sizeof(map->new_dir), "%s/base/%u", new_data,
new_db->db_oid);
}
else
{
/* relation belongs to a tablespace, so use the tablespace location */
snprintf(map->old_dir, sizeof(map->old_dir), "%s%s/%u", old_rel->tablespace,
old_cluster.tablespace_suffix, old_db->db_oid);
}
/* Do the same for new tablespaces */
if (strlen(new_rel->tablespace) == 0)
{
/*
* relation belongs to the default tablespace, hence relfiles should
* exist in the data directories.
*/
snprintf(map->new_dir, sizeof(map->new_dir), "%s/base/%u", new_data,
new_db->db_oid);
}
else
{
/* relation belongs to a tablespace, so use the tablespace location */
snprintf(map->new_dir, sizeof(map->new_dir), "%s%s/%u", new_rel->tablespace,
new_cluster.tablespace_suffix, new_db->db_oid);
}