Please tablespace directories in their own subdirectory so pg_migrator
can upgrade clusters without renaming the tablespace directories. New directory structure format is, e.g.: $PGDATA/pg_tblspc/20981/PG_8.5_201001061/719849/83292814
This commit is contained in:
parent
894fc6b763
commit
228170410d
src
backend
include/catalog
test/regress/output
@ -10,7 +10,7 @@
|
|||||||
*
|
*
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/catalog/catalog.c,v 1.86 2010/01/06 02:41:37 momjian Exp $
|
* $PostgreSQL: pgsql/src/backend/catalog/catalog.c,v 1.87 2010/01/12 02:42:51 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
@ -115,16 +115,17 @@ relpath(RelFileNode rnode, ForkNumber forknum)
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* All other tablespaces are accessed via symlinks */
|
/* All other tablespaces are accessed via symlinks */
|
||||||
pathlen = 10 + OIDCHARS + 1 + OIDCHARS + 1 + OIDCHARS + 1
|
pathlen = 9 + 1 + OIDCHARS + 1 + strlen(TABLESPACE_VERSION_DIRECTORY) +
|
||||||
+ FORKNAMECHARS + 1;
|
1 + OIDCHARS + 1 + OIDCHARS + 1 + FORKNAMECHARS + 1;
|
||||||
path = (char *) palloc(pathlen);
|
path = (char *) palloc(pathlen);
|
||||||
if (forknum != MAIN_FORKNUM)
|
if (forknum != MAIN_FORKNUM)
|
||||||
snprintf(path, pathlen, "pg_tblspc/%u/%u/%u_%s",
|
snprintf(path, pathlen, "pg_tblspc/%u/%s/%u/%u_%s",
|
||||||
rnode.spcNode, rnode.dbNode, rnode.relNode,
|
rnode.spcNode, TABLESPACE_VERSION_DIRECTORY,
|
||||||
forkNames[forknum]);
|
rnode.dbNode, rnode.relNode, forkNames[forknum]);
|
||||||
else
|
else
|
||||||
snprintf(path, pathlen, "pg_tblspc/%u/%u/%u",
|
snprintf(path, pathlen, "pg_tblspc/%u/%s/%u/%u",
|
||||||
rnode.spcNode, rnode.dbNode, rnode.relNode);
|
rnode.spcNode, TABLESPACE_VERSION_DIRECTORY,
|
||||||
|
rnode.dbNode, rnode.relNode);
|
||||||
}
|
}
|
||||||
return path;
|
return path;
|
||||||
}
|
}
|
||||||
@ -161,10 +162,11 @@ GetDatabasePath(Oid dbNode, Oid spcNode)
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* All other tablespaces are accessed via symlinks */
|
/* All other tablespaces are accessed via symlinks */
|
||||||
pathlen = 10 + OIDCHARS + 1 + OIDCHARS + 1;
|
pathlen = 9 + 1 + OIDCHARS + 1 + strlen(TABLESPACE_VERSION_DIRECTORY) +
|
||||||
|
1 + OIDCHARS + 1;
|
||||||
path = (char *) palloc(pathlen);
|
path = (char *) palloc(pathlen);
|
||||||
snprintf(path, pathlen, "pg_tblspc/%u/%u",
|
snprintf(path, pathlen, "pg_tblspc/%u/%s/%u",
|
||||||
spcNode, dbNode);
|
spcNode, TABLESPACE_VERSION_DIRECTORY, dbNode);
|
||||||
}
|
}
|
||||||
return path;
|
return path;
|
||||||
}
|
}
|
||||||
|
@ -15,8 +15,11 @@
|
|||||||
* To support file access via the information given in RelFileNode, we
|
* To support file access via the information given in RelFileNode, we
|
||||||
* maintain a symbolic-link map in $PGDATA/pg_tblspc. The symlinks are
|
* maintain a symbolic-link map in $PGDATA/pg_tblspc. The symlinks are
|
||||||
* named by tablespace OIDs and point to the actual tablespace directories.
|
* named by tablespace OIDs and point to the actual tablespace directories.
|
||||||
|
* There is also a per-cluster version directory in each tablespace.
|
||||||
* Thus the full path to an arbitrary file is
|
* Thus the full path to an arbitrary file is
|
||||||
* $PGDATA/pg_tblspc/spcoid/dboid/relfilenode
|
* $PGDATA/pg_tblspc/spcoid/PG_MAJORVER_CATVER/dboid/relfilenode
|
||||||
|
* e.g.
|
||||||
|
* $PGDATA/pg_tblspc/20981/PG_8.5_201001061/719849/83292814
|
||||||
*
|
*
|
||||||
* There are two tablespaces created at initdb time: pg_global (for shared
|
* There are two tablespaces created at initdb time: pg_global (for shared
|
||||||
* tables) and pg_default (for everything else). For backwards compatibility
|
* tables) and pg_default (for everything else). For backwards compatibility
|
||||||
@ -37,7 +40,7 @@
|
|||||||
*
|
*
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.70 2010/01/07 04:10:39 momjian Exp $
|
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.71 2010/01/12 02:42:51 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
@ -81,8 +84,9 @@ char *default_tablespace = NULL;
|
|||||||
char *temp_tablespaces = NULL;
|
char *temp_tablespaces = NULL;
|
||||||
|
|
||||||
|
|
||||||
static bool remove_tablespace_directories(Oid tablespaceoid, bool redo);
|
static void create_tablespace_directories(const char *location,
|
||||||
static void write_version_file(const char *path);
|
const Oid tablespaceoid);
|
||||||
|
static bool destroy_tablespace_directories(Oid tablespaceoid, bool redo);
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -146,18 +150,36 @@ TablespaceCreateDbspace(Oid spcNode, Oid dbNode, bool isRedo)
|
|||||||
{
|
{
|
||||||
char *parentdir;
|
char *parentdir;
|
||||||
|
|
||||||
/* Failure other than not exists? */
|
/* Failure other than not exists or not in WAL replay? */
|
||||||
if (errno != ENOENT || !isRedo)
|
if (errno != ENOENT || !isRedo)
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
errmsg("could not create directory \"%s\": %m",
|
errmsg("could not create directory \"%s\": %m",
|
||||||
dir)));
|
dir)));
|
||||||
|
|
||||||
/* Parent directory must be missing */
|
/*
|
||||||
|
* Parent directories are missing during WAL replay, so
|
||||||
|
* continue by creating simple parent directories
|
||||||
|
* rather than a symlink.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* create two parents up if not exist */
|
||||||
parentdir = pstrdup(dir);
|
parentdir = pstrdup(dir);
|
||||||
get_parent_directory(parentdir);
|
get_parent_directory(parentdir);
|
||||||
/* Can't create parent either? */
|
get_parent_directory(parentdir);
|
||||||
if (mkdir(parentdir, S_IRWXU) < 0)
|
/* Can't create parent and it doesn't already exist? */
|
||||||
|
if (mkdir(parentdir, S_IRWXU) < 0 && errno != EEXIST)
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode_for_file_access(),
|
||||||
|
errmsg("could not create directory \"%s\": %m",
|
||||||
|
parentdir)));
|
||||||
|
pfree(parentdir);
|
||||||
|
|
||||||
|
/* create one parent up if not exist */
|
||||||
|
parentdir = pstrdup(dir);
|
||||||
|
get_parent_directory(parentdir);
|
||||||
|
/* Can't create parent and it doesn't already exist? */
|
||||||
|
if (mkdir(parentdir, S_IRWXU) < 0 && errno != EEXIST)
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
errmsg("could not create directory \"%s\": %m",
|
errmsg("could not create directory \"%s\": %m",
|
||||||
@ -212,7 +234,6 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
|
|||||||
HeapTuple tuple;
|
HeapTuple tuple;
|
||||||
Oid tablespaceoid;
|
Oid tablespaceoid;
|
||||||
char *location;
|
char *location;
|
||||||
char *linkloc;
|
|
||||||
Oid ownerId;
|
Oid ownerId;
|
||||||
|
|
||||||
/* Must be super user */
|
/* Must be super user */
|
||||||
@ -251,10 +272,11 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
|
|||||||
|
|
||||||
/*
|
/*
|
||||||
* Check that location isn't too long. Remember that we're going to append
|
* Check that location isn't too long. Remember that we're going to append
|
||||||
* '/<dboid>/<relid>.<nnn>' (XXX but do we ever form the whole path
|
* 'PG_XXX/<dboid>/<relid>.<nnn>'. FYI, we never actually reference the
|
||||||
* explicitly? This may be overly conservative.)
|
* whole path, but mkdir() uses the first two parts.
|
||||||
*/
|
*/
|
||||||
if (strlen(location) >= MAXPGPATH - 1 - OIDCHARS - 1 - OIDCHARS - 1 - OIDCHARS)
|
if (strlen(location) + 1 + strlen(TABLESPACE_VERSION_DIRECTORY) + 1 +
|
||||||
|
OIDCHARS + 1 + OIDCHARS + 1 + OIDCHARS > MAXPGPATH)
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
|
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
|
||||||
errmsg("tablespace location \"%s\" is too long",
|
errmsg("tablespace location \"%s\" is too long",
|
||||||
@ -311,45 +333,7 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
|
|||||||
/* Record dependency on owner */
|
/* Record dependency on owner */
|
||||||
recordDependencyOnOwner(TableSpaceRelationId, tablespaceoid, ownerId);
|
recordDependencyOnOwner(TableSpaceRelationId, tablespaceoid, ownerId);
|
||||||
|
|
||||||
/*
|
create_tablespace_directories(location, tablespaceoid);
|
||||||
* Attempt to coerce target directory to safe permissions. If this fails,
|
|
||||||
* it doesn't exist or has the wrong owner.
|
|
||||||
*/
|
|
||||||
if (chmod(location, 0700) != 0)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not set permissions on directory \"%s\": %m",
|
|
||||||
location)));
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Check the target directory is empty.
|
|
||||||
*/
|
|
||||||
if (!directory_is_empty(location))
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
|
|
||||||
errmsg("directory \"%s\" is not empty",
|
|
||||||
location)));
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Create the PG_VERSION file in the target directory. This has several
|
|
||||||
* purposes: to make sure we can write in the directory, to prevent
|
|
||||||
* someone from creating another tablespace pointing at the same directory
|
|
||||||
* (the emptiness check above will fail), and to label tablespace
|
|
||||||
* directories by PG version.
|
|
||||||
*/
|
|
||||||
write_version_file(location);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* All seems well, create the symlink
|
|
||||||
*/
|
|
||||||
linkloc = (char *) palloc(OIDCHARS + OIDCHARS + 1);
|
|
||||||
sprintf(linkloc, "pg_tblspc/%u", tablespaceoid);
|
|
||||||
|
|
||||||
if (symlink(location, linkloc) < 0)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not create symbolic link \"%s\": %m",
|
|
||||||
linkloc)));
|
|
||||||
|
|
||||||
/* Record the filesystem change in XLOG */
|
/* Record the filesystem change in XLOG */
|
||||||
{
|
{
|
||||||
@ -378,7 +362,6 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
|
|||||||
*/
|
*/
|
||||||
ForceSyncCommit();
|
ForceSyncCommit();
|
||||||
|
|
||||||
pfree(linkloc);
|
|
||||||
pfree(location);
|
pfree(location);
|
||||||
|
|
||||||
/* We keep the lock on pg_tablespace until commit */
|
/* We keep the lock on pg_tablespace until commit */
|
||||||
@ -478,7 +461,7 @@ DropTableSpace(DropTableSpaceStmt *stmt)
|
|||||||
/*
|
/*
|
||||||
* Try to remove the physical infrastructure.
|
* Try to remove the physical infrastructure.
|
||||||
*/
|
*/
|
||||||
if (!remove_tablespace_directories(tablespaceoid, false))
|
if (!destroy_tablespace_directories(tablespaceoid, false))
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
* Not all files deleted? However, there can be lingering empty files
|
* Not all files deleted? However, there can be lingering empty files
|
||||||
@ -490,7 +473,7 @@ DropTableSpace(DropTableSpaceStmt *stmt)
|
|||||||
* out any lingering files, and try again.
|
* out any lingering files, and try again.
|
||||||
*/
|
*/
|
||||||
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
|
RequestCheckpoint(CHECKPOINT_IMMEDIATE | CHECKPOINT_FORCE | CHECKPOINT_WAIT);
|
||||||
if (!remove_tablespace_directories(tablespaceoid, false))
|
if (!destroy_tablespace_directories(tablespaceoid, false))
|
||||||
{
|
{
|
||||||
/* Still not empty, the files must be important then */
|
/* Still not empty, the files must be important then */
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
@ -542,24 +525,97 @@ DropTableSpace(DropTableSpaceStmt *stmt)
|
|||||||
#endif /* HAVE_SYMLINK */
|
#endif /* HAVE_SYMLINK */
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* remove_tablespace_directories: attempt to remove filesystem infrastructure
|
* create_tablespace_directories
|
||||||
|
*
|
||||||
|
* Attempt to create filesystem infrastructure linking $PGDATA/pg_tblspc/
|
||||||
|
* to the specified directory
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
create_tablespace_directories(const char *location, const Oid tablespaceoid)
|
||||||
|
{
|
||||||
|
char *linkloc = palloc(OIDCHARS + OIDCHARS + 1);
|
||||||
|
char *location_with_version_dir = palloc(strlen(location) + 1 +
|
||||||
|
strlen(TABLESPACE_VERSION_DIRECTORY) + 1);
|
||||||
|
|
||||||
|
sprintf(linkloc, "pg_tblspc/%u", tablespaceoid);
|
||||||
|
sprintf(location_with_version_dir, "%s/%s", location,
|
||||||
|
TABLESPACE_VERSION_DIRECTORY);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Attempt to coerce target directory to safe permissions. If this fails,
|
||||||
|
* it doesn't exist or has the wrong owner.
|
||||||
|
*/
|
||||||
|
if (chmod(location, 0700) != 0)
|
||||||
|
{
|
||||||
|
if (errno == ENOENT)
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode(ERRCODE_UNDEFINED_FILE),
|
||||||
|
errmsg("directory \"%s\" does not exist",
|
||||||
|
location)));
|
||||||
|
else
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode_for_file_access(),
|
||||||
|
errmsg("could not set permissions on directory \"%s\": %m",
|
||||||
|
location)));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The creation of the version directory prevents more than one
|
||||||
|
* tablespace in a single location.
|
||||||
|
*/
|
||||||
|
if (mkdir(location_with_version_dir, S_IRWXU) < 0)
|
||||||
|
{
|
||||||
|
if (errno == EEXIST)
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode(ERRCODE_OBJECT_IN_USE),
|
||||||
|
errmsg("directory \"%s\" already in use as a tablespace",
|
||||||
|
location_with_version_dir)));
|
||||||
|
else
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode_for_file_access(),
|
||||||
|
errmsg("could not create directory \"%s\": %m",
|
||||||
|
location_with_version_dir)));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Create the symlink under PGDATA
|
||||||
|
*/
|
||||||
|
if (symlink(location, linkloc) < 0)
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode_for_file_access(),
|
||||||
|
errmsg("could not create symbolic link \"%s\": %m",
|
||||||
|
linkloc)));
|
||||||
|
|
||||||
|
pfree(linkloc);
|
||||||
|
pfree(location_with_version_dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* destroy_tablespace_directories
|
||||||
|
*
|
||||||
|
* Attempt to remove filesystem infrastructure
|
||||||
|
*
|
||||||
|
* 'redo' indicates we are redoing a drop from XLOG; okay if nothing there
|
||||||
*
|
*
|
||||||
* Returns TRUE if successful, FALSE if some subdirectory is not empty
|
* Returns TRUE if successful, FALSE if some subdirectory is not empty
|
||||||
*
|
|
||||||
* redo indicates we are redoing a drop from XLOG; okay if nothing there
|
|
||||||
*/
|
*/
|
||||||
static bool
|
static bool
|
||||||
remove_tablespace_directories(Oid tablespaceoid, bool redo)
|
destroy_tablespace_directories(Oid tablespaceoid, bool redo)
|
||||||
{
|
{
|
||||||
char *location;
|
char *linkloc;
|
||||||
|
char *linkloc_with_version_dir;
|
||||||
DIR *dirdesc;
|
DIR *dirdesc;
|
||||||
struct dirent *de;
|
struct dirent *de;
|
||||||
char *subfile;
|
char *subfile;
|
||||||
struct stat st;
|
struct stat st;
|
||||||
|
|
||||||
location = (char *) palloc(OIDCHARS + OIDCHARS + 1);
|
linkloc_with_version_dir = palloc(9 + 1 + OIDCHARS + 1 +
|
||||||
sprintf(location, "pg_tblspc/%u", tablespaceoid);
|
strlen(TABLESPACE_VERSION_DIRECTORY));
|
||||||
|
sprintf(linkloc_with_version_dir, "pg_tblspc/%u/%s", tablespaceoid,
|
||||||
|
TABLESPACE_VERSION_DIRECTORY);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Check if the tablespace still contains any files. We try to rmdir each
|
* Check if the tablespace still contains any files. We try to rmdir each
|
||||||
@ -582,7 +638,7 @@ remove_tablespace_directories(Oid tablespaceoid, bool redo)
|
|||||||
* and symlink. We want to allow a new DROP attempt to succeed at
|
* and symlink. We want to allow a new DROP attempt to succeed at
|
||||||
* removing the catalog entries, so we should not give a hard error here.
|
* removing the catalog entries, so we should not give a hard error here.
|
||||||
*/
|
*/
|
||||||
dirdesc = AllocateDir(location);
|
dirdesc = AllocateDir(linkloc_with_version_dir);
|
||||||
if (dirdesc == NULL)
|
if (dirdesc == NULL)
|
||||||
{
|
{
|
||||||
if (errno == ENOENT)
|
if (errno == ENOENT)
|
||||||
@ -591,32 +647,32 @@ remove_tablespace_directories(Oid tablespaceoid, bool redo)
|
|||||||
ereport(WARNING,
|
ereport(WARNING,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
errmsg("could not open directory \"%s\": %m",
|
errmsg("could not open directory \"%s\": %m",
|
||||||
location)));
|
linkloc_with_version_dir)));
|
||||||
pfree(location);
|
pfree(linkloc_with_version_dir);
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
/* else let ReadDir report the error */
|
/* else let ReadDir report the error */
|
||||||
}
|
}
|
||||||
|
|
||||||
while ((de = ReadDir(dirdesc, location)) != NULL)
|
while ((de = ReadDir(dirdesc, linkloc_with_version_dir)) != NULL)
|
||||||
{
|
{
|
||||||
/* Note we ignore PG_VERSION for the nonce */
|
|
||||||
if (strcmp(de->d_name, ".") == 0 ||
|
if (strcmp(de->d_name, ".") == 0 ||
|
||||||
strcmp(de->d_name, "..") == 0 ||
|
strcmp(de->d_name, "..") == 0)
|
||||||
strcmp(de->d_name, "PG_VERSION") == 0)
|
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
subfile = palloc(strlen(location) + 1 + strlen(de->d_name) + 1);
|
subfile = palloc(strlen(linkloc_with_version_dir) + 1 + strlen(de->d_name) + 1);
|
||||||
sprintf(subfile, "%s/%s", location, de->d_name);
|
sprintf(subfile, "%s/%s", linkloc_with_version_dir, de->d_name);
|
||||||
|
|
||||||
/* This check is just to deliver a friendlier error message */
|
/* This check is just to deliver a friendlier error message */
|
||||||
if (!directory_is_empty(subfile))
|
if (!directory_is_empty(subfile))
|
||||||
{
|
{
|
||||||
FreeDir(dirdesc);
|
FreeDir(dirdesc);
|
||||||
|
pfree(subfile);
|
||||||
|
pfree(linkloc_with_version_dir);
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Do the real deed */
|
/* remove empty directory */
|
||||||
if (rmdir(subfile) < 0)
|
if (rmdir(subfile) < 0)
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
@ -628,79 +684,44 @@ remove_tablespace_directories(Oid tablespaceoid, bool redo)
|
|||||||
|
|
||||||
FreeDir(dirdesc);
|
FreeDir(dirdesc);
|
||||||
|
|
||||||
/*
|
/* remove version directory */
|
||||||
* Okay, try to unlink PG_VERSION (we allow it to not be there, even in
|
if (rmdir(linkloc_with_version_dir) < 0)
|
||||||
* non-REDO case, for robustness).
|
|
||||||
*/
|
|
||||||
subfile = palloc(strlen(location) + 11 + 1);
|
|
||||||
sprintf(subfile, "%s/PG_VERSION", location);
|
|
||||||
|
|
||||||
if (unlink(subfile) < 0)
|
|
||||||
{
|
|
||||||
if (errno != ENOENT)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not remove file \"%s\": %m",
|
|
||||||
subfile)));
|
|
||||||
}
|
|
||||||
|
|
||||||
pfree(subfile);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Okay, try to remove the symlink. We must however deal with the
|
|
||||||
* possibility that it's a directory instead of a symlink --- this could
|
|
||||||
* happen during WAL replay (see TablespaceCreateDbspace), and it is also
|
|
||||||
* the normal case on Windows.
|
|
||||||
*/
|
|
||||||
if (lstat(location, &st) == 0 && S_ISDIR(st.st_mode))
|
|
||||||
{
|
|
||||||
if (rmdir(location) < 0)
|
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
errmsg("could not remove directory \"%s\": %m",
|
errmsg("could not remove directory \"%s\": %m",
|
||||||
location)));
|
linkloc_with_version_dir)));
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Try to remove the symlink. We must however deal with the
|
||||||
|
* possibility that it's a directory instead of a symlink --- this could
|
||||||
|
* happen during WAL replay (see TablespaceCreateDbspace), and it is also
|
||||||
|
* the case on Windows where junction points lstat() as directories.
|
||||||
|
*/
|
||||||
|
linkloc = pstrdup(linkloc_with_version_dir);
|
||||||
|
get_parent_directory(linkloc);
|
||||||
|
if (lstat(linkloc, &st) == 0 && S_ISDIR(st.st_mode))
|
||||||
|
{
|
||||||
|
if (rmdir(linkloc) < 0)
|
||||||
|
ereport(ERROR,
|
||||||
|
(errcode_for_file_access(),
|
||||||
|
errmsg("could not remove directory \"%s\": %m",
|
||||||
|
linkloc)));
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
if (unlink(location) < 0)
|
if (unlink(linkloc) < 0)
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode_for_file_access(),
|
(errcode_for_file_access(),
|
||||||
errmsg("could not remove symbolic link \"%s\": %m",
|
errmsg("could not remove symbolic link \"%s\": %m",
|
||||||
location)));
|
linkloc)));
|
||||||
}
|
}
|
||||||
|
|
||||||
pfree(location);
|
pfree(linkloc_with_version_dir);
|
||||||
|
pfree(linkloc);
|
||||||
|
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* write out the PG_VERSION file in the specified directory
|
|
||||||
*/
|
|
||||||
static void
|
|
||||||
write_version_file(const char *path)
|
|
||||||
{
|
|
||||||
char *fullname;
|
|
||||||
FILE *version_file;
|
|
||||||
|
|
||||||
/* Now write the file */
|
|
||||||
fullname = palloc(strlen(path) + 11 + 1);
|
|
||||||
sprintf(fullname, "%s/PG_VERSION", path);
|
|
||||||
|
|
||||||
if ((version_file = AllocateFile(fullname, PG_BINARY_W)) == NULL)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not write to file \"%s\": %m",
|
|
||||||
fullname)));
|
|
||||||
fprintf(version_file, "%s\n", PG_MAJORVERSION);
|
|
||||||
if (FreeFile(version_file))
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not write to file \"%s\": %m",
|
|
||||||
fullname)));
|
|
||||||
|
|
||||||
pfree(fullname);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Check if a directory is empty.
|
* Check if a directory is empty.
|
||||||
@ -728,6 +749,7 @@ directory_is_empty(const char *path)
|
|||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Rename a tablespace
|
* Rename a tablespace
|
||||||
*/
|
*/
|
||||||
@ -1336,35 +1358,8 @@ tblspc_redo(XLogRecPtr lsn, XLogRecord *record)
|
|||||||
{
|
{
|
||||||
xl_tblspc_create_rec *xlrec = (xl_tblspc_create_rec *) XLogRecGetData(record);
|
xl_tblspc_create_rec *xlrec = (xl_tblspc_create_rec *) XLogRecGetData(record);
|
||||||
char *location = xlrec->ts_path;
|
char *location = xlrec->ts_path;
|
||||||
char *linkloc;
|
|
||||||
|
|
||||||
/*
|
create_tablespace_directories(location, xlrec->ts_id);
|
||||||
* Attempt to coerce target directory to safe permissions. If this
|
|
||||||
* fails, it doesn't exist or has the wrong owner.
|
|
||||||
*/
|
|
||||||
if (chmod(location, 0700) != 0)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not set permissions on directory \"%s\": %m",
|
|
||||||
location)));
|
|
||||||
|
|
||||||
/* Create or re-create the PG_VERSION file in the target directory */
|
|
||||||
write_version_file(location);
|
|
||||||
|
|
||||||
/* Create the symlink if not already present */
|
|
||||||
linkloc = (char *) palloc(OIDCHARS + OIDCHARS + 1);
|
|
||||||
sprintf(linkloc, "pg_tblspc/%u", xlrec->ts_id);
|
|
||||||
|
|
||||||
if (symlink(location, linkloc) < 0)
|
|
||||||
{
|
|
||||||
if (errno != EEXIST)
|
|
||||||
ereport(ERROR,
|
|
||||||
(errcode_for_file_access(),
|
|
||||||
errmsg("could not create symbolic link \"%s\": %m",
|
|
||||||
linkloc)));
|
|
||||||
}
|
|
||||||
|
|
||||||
pfree(linkloc);
|
|
||||||
}
|
}
|
||||||
else if (info == XLOG_TBLSPC_DROP)
|
else if (info == XLOG_TBLSPC_DROP)
|
||||||
{
|
{
|
||||||
@ -1380,7 +1375,7 @@ tblspc_redo(XLogRecPtr lsn, XLogRecord *record)
|
|||||||
* remove all files then do conflict processing and try again,
|
* remove all files then do conflict processing and try again,
|
||||||
* if currently enabled.
|
* if currently enabled.
|
||||||
*/
|
*/
|
||||||
if (!remove_tablespace_directories(xlrec->ts_id, true))
|
if (!destroy_tablespace_directories(xlrec->ts_id, true))
|
||||||
{
|
{
|
||||||
VirtualTransactionId *temp_file_users;
|
VirtualTransactionId *temp_file_users;
|
||||||
|
|
||||||
@ -1416,7 +1411,7 @@ tblspc_redo(XLogRecPtr lsn, XLogRecord *record)
|
|||||||
* exited by now. So lets recheck before we throw an error.
|
* exited by now. So lets recheck before we throw an error.
|
||||||
* If !process_conflicts then this will just fail again.
|
* If !process_conflicts then this will just fail again.
|
||||||
*/
|
*/
|
||||||
if (!remove_tablespace_directories(xlrec->ts_id, true))
|
if (!destroy_tablespace_directories(xlrec->ts_id, true))
|
||||||
ereport(ERROR,
|
ereport(ERROR,
|
||||||
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
|
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
|
||||||
errmsg("tablespace %u is not empty",
|
errmsg("tablespace %u is not empty",
|
||||||
|
@ -7,7 +7,7 @@
|
|||||||
* Portions Copyright (c) 1994, Regents of the University of California
|
* Portions Copyright (c) 1994, Regents of the University of California
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.152 2010/01/02 16:57:51 momjian Exp $
|
* $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.153 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
* NOTES:
|
* NOTES:
|
||||||
*
|
*
|
||||||
@ -51,6 +51,7 @@
|
|||||||
|
|
||||||
#include "miscadmin.h"
|
#include "miscadmin.h"
|
||||||
#include "access/xact.h"
|
#include "access/xact.h"
|
||||||
|
#include "catalog/catalog.h"
|
||||||
#include "catalog/pg_tablespace.h"
|
#include "catalog/pg_tablespace.h"
|
||||||
#include "storage/fd.h"
|
#include "storage/fd.h"
|
||||||
#include "storage/ipc.h"
|
#include "storage/ipc.h"
|
||||||
@ -963,8 +964,8 @@ OpenTemporaryFileInTablespace(Oid tblspcOid, bool rejectError)
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* All other tablespaces are accessed via symlinks */
|
/* All other tablespaces are accessed via symlinks */
|
||||||
snprintf(tempdirpath, sizeof(tempdirpath), "pg_tblspc/%u/%s",
|
snprintf(tempdirpath, sizeof(tempdirpath), "pg_tblspc/%u/%s/%s",
|
||||||
tblspcOid, PG_TEMP_FILES_DIR);
|
tblspcOid, TABLESPACE_VERSION_DIRECTORY, PG_TEMP_FILES_DIR);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -1841,8 +1842,8 @@ RemovePgTempFiles(void)
|
|||||||
strcmp(spc_de->d_name, "..") == 0)
|
strcmp(spc_de->d_name, "..") == 0)
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
snprintf(temp_path, sizeof(temp_path), "pg_tblspc/%s/%s",
|
snprintf(temp_path, sizeof(temp_path), "pg_tblspc/%s/%s/%s",
|
||||||
spc_de->d_name, PG_TEMP_FILES_DIR);
|
spc_de->d_name, TABLESPACE_VERSION_DIRECTORY, PG_TEMP_FILES_DIR);
|
||||||
RemovePgTempFilesInDir(temp_path);
|
RemovePgTempFilesInDir(temp_path);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -5,7 +5,7 @@
|
|||||||
* Copyright (c) 2002-2010, PostgreSQL Global Development Group
|
* Copyright (c) 2002-2010, PostgreSQL Global Development Group
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.25 2010/01/02 16:57:53 momjian Exp $
|
* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.26 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
|
|
||||||
@ -108,8 +108,8 @@ calculate_database_size(Oid dbOid)
|
|||||||
strcmp(direntry->d_name, "..") == 0)
|
strcmp(direntry->d_name, "..") == 0)
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
snprintf(pathname, MAXPGPATH, "pg_tblspc/%s/%u",
|
snprintf(pathname, MAXPGPATH, "pg_tblspc/%s/%s/%u",
|
||||||
direntry->d_name, dbOid);
|
direntry->d_name, TABLESPACE_VERSION_DIRECTORY, dbOid);
|
||||||
totalsize += db_dir_size(pathname);
|
totalsize += db_dir_size(pathname);
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -179,7 +179,8 @@ calculate_tablespace_size(Oid tblspcOid)
|
|||||||
else if (tblspcOid == GLOBALTABLESPACE_OID)
|
else if (tblspcOid == GLOBALTABLESPACE_OID)
|
||||||
snprintf(tblspcPath, MAXPGPATH, "global");
|
snprintf(tblspcPath, MAXPGPATH, "global");
|
||||||
else
|
else
|
||||||
snprintf(tblspcPath, MAXPGPATH, "pg_tblspc/%u", tblspcOid);
|
snprintf(tblspcPath, MAXPGPATH, "pg_tblspc/%u/%s", tblspcOid,
|
||||||
|
TABLESPACE_VERSION_DIRECTORY);
|
||||||
|
|
||||||
dirdesc = AllocateDir(tblspcPath);
|
dirdesc = AllocateDir(tblspcPath);
|
||||||
|
|
||||||
|
@ -8,7 +8,7 @@
|
|||||||
*
|
*
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.73 2010/01/02 16:57:54 momjian Exp $
|
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.74 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
@ -20,6 +20,7 @@
|
|||||||
#include <math.h>
|
#include <math.h>
|
||||||
|
|
||||||
#include "access/xact.h"
|
#include "access/xact.h"
|
||||||
|
#include "catalog/catalog.h"
|
||||||
#include "catalog/pg_type.h"
|
#include "catalog/pg_type.h"
|
||||||
#include "catalog/pg_tablespace.h"
|
#include "catalog/pg_tablespace.h"
|
||||||
#include "commands/dbcommands.h"
|
#include "commands/dbcommands.h"
|
||||||
@ -185,7 +186,8 @@ pg_tablespace_databases(PG_FUNCTION_ARGS)
|
|||||||
/*
|
/*
|
||||||
* size = tablespace dirname length + dir sep char + oid + terminator
|
* size = tablespace dirname length + dir sep char + oid + terminator
|
||||||
*/
|
*/
|
||||||
fctx->location = (char *) palloc(10 + 10 + 1);
|
fctx->location = (char *) palloc(9 + 1 + OIDCHARS + 1 +
|
||||||
|
strlen(TABLESPACE_VERSION_DIRECTORY) + 1);
|
||||||
if (tablespaceOid == GLOBALTABLESPACE_OID)
|
if (tablespaceOid == GLOBALTABLESPACE_OID)
|
||||||
{
|
{
|
||||||
fctx->dirdesc = NULL;
|
fctx->dirdesc = NULL;
|
||||||
@ -197,7 +199,8 @@ pg_tablespace_databases(PG_FUNCTION_ARGS)
|
|||||||
if (tablespaceOid == DEFAULTTABLESPACE_OID)
|
if (tablespaceOid == DEFAULTTABLESPACE_OID)
|
||||||
sprintf(fctx->location, "base");
|
sprintf(fctx->location, "base");
|
||||||
else
|
else
|
||||||
sprintf(fctx->location, "pg_tblspc/%u", tablespaceOid);
|
sprintf(fctx->location, "pg_tblspc/%u/%s", tablespaceOid,
|
||||||
|
TABLESPACE_VERSION_DIRECTORY);
|
||||||
|
|
||||||
fctx->dirdesc = AllocateDir(fctx->location);
|
fctx->dirdesc = AllocateDir(fctx->location);
|
||||||
|
|
||||||
|
6
src/backend/utils/cache/relcache.c
vendored
6
src/backend/utils/cache/relcache.c
vendored
@ -8,7 +8,7 @@
|
|||||||
*
|
*
|
||||||
*
|
*
|
||||||
* IDENTIFICATION
|
* IDENTIFICATION
|
||||||
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.297 2010/01/07 20:39:45 rhaas Exp $
|
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.298 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
@ -4302,8 +4302,8 @@ RelationCacheInitFileRemove(void)
|
|||||||
if (strspn(de->d_name, "0123456789") == strlen(de->d_name))
|
if (strspn(de->d_name, "0123456789") == strlen(de->d_name))
|
||||||
{
|
{
|
||||||
/* Scan the tablespace dir for per-database dirs */
|
/* Scan the tablespace dir for per-database dirs */
|
||||||
snprintf(path, sizeof(path), "%s/%s",
|
snprintf(path, sizeof(path), "%s/%s/%s",
|
||||||
tblspcdir, de->d_name);
|
tblspcdir, de->d_name, TABLESPACE_VERSION_DIRECTORY);
|
||||||
RelationCacheInitFileRemoveInDir(path);
|
RelationCacheInitFileRemoveInDir(path);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -7,18 +7,21 @@
|
|||||||
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
|
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
|
||||||
* Portions Copyright (c) 1994, Regents of the University of California
|
* Portions Copyright (c) 1994, Regents of the University of California
|
||||||
*
|
*
|
||||||
* $PostgreSQL: pgsql/src/include/catalog/catalog.h,v 1.46 2010/01/06 02:41:37 momjian Exp $
|
* $PostgreSQL: pgsql/src/include/catalog/catalog.h,v 1.47 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
#ifndef CATALOG_H
|
#ifndef CATALOG_H
|
||||||
#define CATALOG_H
|
#define CATALOG_H
|
||||||
|
|
||||||
|
#include "catalog/catversion.h"
|
||||||
#include "catalog/pg_class.h"
|
#include "catalog/pg_class.h"
|
||||||
#include "storage/relfilenode.h"
|
#include "storage/relfilenode.h"
|
||||||
#include "utils/relcache.h"
|
#include "utils/relcache.h"
|
||||||
|
|
||||||
#define OIDCHARS 10 /* max chars printed by %u */
|
#define OIDCHARS 10 /* max chars printed by %u */
|
||||||
|
#define TABLESPACE_VERSION_DIRECTORY "PG_" PG_MAJORVERSION "_" \
|
||||||
|
CppAsString2(CATALOG_VERSION_NO)
|
||||||
|
|
||||||
extern const char *forkNames[];
|
extern const char *forkNames[];
|
||||||
extern ForkNumber forkname_to_number(char *forkName);
|
extern ForkNumber forkname_to_number(char *forkName);
|
||||||
|
@ -37,7 +37,7 @@
|
|||||||
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
|
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
|
||||||
* Portions Copyright (c) 1994, Regents of the University of California
|
* Portions Copyright (c) 1994, Regents of the University of California
|
||||||
*
|
*
|
||||||
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.570 2010/01/07 20:17:43 tgl Exp $
|
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.571 2010/01/12 02:42:52 momjian Exp $
|
||||||
*
|
*
|
||||||
*-------------------------------------------------------------------------
|
*-------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
@ -53,6 +53,6 @@
|
|||||||
*/
|
*/
|
||||||
|
|
||||||
/* yyyymmddN */
|
/* yyyymmddN */
|
||||||
#define CATALOG_VERSION_NO 201001071
|
#define CATALOG_VERSION_NO 201001111
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
@ -65,7 +65,7 @@ SELECT COUNT(*) FROM testschema.atable; -- checks heap
|
|||||||
|
|
||||||
-- Will fail with bad path
|
-- Will fail with bad path
|
||||||
CREATE TABLESPACE badspace LOCATION '/no/such/location';
|
CREATE TABLESPACE badspace LOCATION '/no/such/location';
|
||||||
ERROR: could not set permissions on directory "/no/such/location": No such file or directory
|
ERROR: directory "/no/such/location" does not exist
|
||||||
-- No such tablespace
|
-- No such tablespace
|
||||||
CREATE TABLE bar (i int) TABLESPACE nosuchspace;
|
CREATE TABLE bar (i int) TABLESPACE nosuchspace;
|
||||||
ERROR: tablespace "nosuchspace" does not exist
|
ERROR: tablespace "nosuchspace" does not exist
|
||||||
|
Loading…
x
Reference in New Issue
Block a user