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Define PG_TBLSPC_DIR for path pg_tblspc/ in data folder

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Similarly to 2065ddf5e3, this introduces a define for "pg_tblspc".
This makes the style more consistent with the existing PG_STAT_TMP_DIR,
for example.

There is a difference with the other cases with the introduction of
PG_TBLSPC_DIR_SLASH, required in two places for recovery and backups.

Author: Bertrand Drouvot
Reviewed-by: Ashutosh Bapat, Álvaro Herrera, Yugo Nagata, Michael
Paquier
Discussion: https://postgr.es/m/ZryVvjqS9SnV1GPP@ip-10-97-1-34.eu-west-3.compute.internal
This commit is contained in:
Michael Paquier
2024-09-03 09:11:54 +09:00
parent 94eec79633
commit c7cd2d6ed0
18 changed files with 88 additions and 70 deletions
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15
src/backend/access/transam/xlogrecovery.c
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@@ -677,7 +677,7 @@ InitWalRecovery(ControlFileData *ControlFile, bool *wasShutdown_ptr,
tablespaceinfo *ti = lfirst(lc);
char *linkloc;
linkloc = psprintf("pg_tblspc/%u", ti->oid);
linkloc = psprintf("%s/%u", PG_TBLSPC_DIR, ti->oid);
/*
* Remove the existing symlink if any and Create the symlink
@@ -2157,23 +2157,24 @@ CheckTablespaceDirectory(void)
DIR *dir;
struct dirent *de;
dir = AllocateDir("pg_tblspc");
while ((de = ReadDir(dir, "pg_tblspc")) != NULL)
dir = AllocateDir(PG_TBLSPC_DIR);
while ((de = ReadDir(dir, PG_TBLSPC_DIR)) != NULL)
{
char path[MAXPGPATH + 10];
char path[MAXPGPATH + sizeof(PG_TBLSPC_DIR)];
/* Skip entries of non-oid names */
if (strspn(de->d_name, "0123456789") != strlen(de->d_name))
continue;
snprintf(path, sizeof(path), "pg_tblspc/%s", de->d_name);
snprintf(path, sizeof(path), "%s/%s", PG_TBLSPC_DIR, de->d_name);
if (get_dirent_type(path, de, false, ERROR) != PGFILETYPE_LNK)
ereport(allow_in_place_tablespaces ? WARNING : PANIC,
(errcode(ERRCODE_DATA_CORRUPTED),
errmsg("unexpected directory entry \"%s\" found in %s",
de->d_name, "pg_tblspc/"),
errdetail("All directory entries in pg_tblspc/ should be symbolic links."),
de->d_name, PG_TBLSPC_DIR),
errdetail("All directory entries in %s/ should be symbolic links.",
PG_TBLSPC_DIR),
errhint("Remove those directories, or set \"allow_in_place_tablespaces\" to ON transiently to let recovery complete.")));
}
}