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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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12
src/backend/access/transam/xlog.c
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@@ -8944,10 +8944,10 @@ do_pg_backup_start(const char *backupidstr, bool fast, List **tablespaces,
datadirpathlen = strlen(DataDir);
/* Collect information about all tablespaces */
tblspcdir = AllocateDir("pg_tblspc");
while ((de = ReadDir(tblspcdir, "pg_tblspc")) != NULL)
tblspcdir = AllocateDir(PG_TBLSPC_DIR);
while ((de = ReadDir(tblspcdir, PG_TBLSPC_DIR)) != NULL)
{
char fullpath[MAXPGPATH + 10];
char fullpath[MAXPGPATH + sizeof(PG_TBLSPC_DIR)];
char linkpath[MAXPGPATH];
char *relpath = NULL;
char *s;
@@ -8970,7 +8970,7 @@ do_pg_backup_start(const char *backupidstr, bool fast, List **tablespaces,
if (*badp != '\0' || errno == EINVAL || errno == ERANGE)
continue;
snprintf(fullpath, sizeof(fullpath), "pg_tblspc/%s", de->d_name);
snprintf(fullpath, sizeof(fullpath), "%s/%s", PG_TBLSPC_DIR, de->d_name);
de_type = get_dirent_type(fullpath, de, false, ERROR);
@@ -9031,8 +9031,8 @@ do_pg_backup_start(const char *backupidstr, bool fast, List **tablespaces,
* In this case, we store a relative path rather than an
* absolute path into the tablespaceinfo.
*/
snprintf(linkpath, sizeof(linkpath), "pg_tblspc/%s",
de->d_name);
snprintf(linkpath, sizeof(linkpath), "%s/%s",
PG_TBLSPC_DIR, de->d_name);
relpath = pstrdup(linkpath);
}
else