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Define PG_LOGICAL_DIR for path pg_logical/ in data folder

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This is similar to 2065ddf5e3, but this time for pg_logical/ itself
and its contents, like the paths for snapshots, mappings or origin
checkpoints.

Author: Bertrand Drouvot
Reviewed-by: Ashutosh Bapat, 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
2024-08-30 15:25:12 +09:00
parent 2065ddf5e3
commit c39afc38cf
6 changed files with 46 additions and 31 deletions
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10
src/backend/replication/logical/origin.c
View File

@ -95,6 +95,10 @@
#include "utils/snapmgr.h"
#include "utils/syscache.h"
/* paths for replication origin checkpoint files */
#define PG_REPLORIGIN_CHECKPOINT_FILENAME PG_LOGICAL_DIR "/replorigin_checkpoint"
#define PG_REPLORIGIN_CHECKPOINT_TMPFILE PG_REPLORIGIN_CHECKPOINT_FILENAME ".tmp"
/*
* Replay progress of a single remote node.
*/
@ -572,8 +576,8 @@ ReplicationOriginShmemInit(void)
void
CheckPointReplicationOrigin(void)
{
const char *tmppath = "pg_logical/replorigin_checkpoint.tmp";
const char *path = "pg_logical/replorigin_checkpoint";
const char *tmppath = PG_REPLORIGIN_CHECKPOINT_TMPFILE;
const char *path = PG_REPLORIGIN_CHECKPOINT_FILENAME;
int tmpfd;
int i;
uint32 magic = REPLICATION_STATE_MAGIC;
@ -698,7 +702,7 @@ CheckPointReplicationOrigin(void)
void
StartupReplicationOrigin(void)
{
const char *path = "pg_logical/replorigin_checkpoint";
const char *path = PG_REPLORIGIN_CHECKPOINT_FILENAME;
int fd;
int readBytes;
uint32 magic = REPLICATION_STATE_MAGIC;

6
src/backend/replication/logical/reorderbuffer.c
View File

@ -5081,7 +5081,7 @@ ApplyLogicalMappingFile(HTAB *tuplecid_data, Oid relid, const char *fname)
int readBytes;
LogicalRewriteMappingData map;
sprintf(path, "pg_logical/mappings/%s", fname);
sprintf(path, "%s/%s", PG_LOGICAL_MAPPINGS_DIR, fname);
fd = OpenTransientFile(path, O_RDONLY | PG_BINARY);
if (fd < 0)
ereport(ERROR,
@ -5197,8 +5197,8 @@ UpdateLogicalMappings(HTAB *tuplecid_data, Oid relid, Snapshot snapshot)
ListCell *file;
Oid dboid = IsSharedRelation(relid) ? InvalidOid : MyDatabaseId;
mapping_dir = AllocateDir("pg_logical/mappings");
while ((mapping_de = ReadDir(mapping_dir, "pg_logical/mappings")) != NULL)
mapping_dir = AllocateDir(PG_LOGICAL_MAPPINGS_DIR);
while ((mapping_de = ReadDir(mapping_dir, PG_LOGICAL_MAPPINGS_DIR)) != NULL)
{
Oid f_dboid;
Oid f_relid;

28
src/backend/replication/logical/snapbuild.c
View File

@ -1654,7 +1654,8 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
* unless the user used pg_resetwal or similar. If a user did so, there's
* no hope continuing to decode anyway.
*/
sprintf(path, "pg_logical/snapshots/%X-%X.snap",
sprintf(path, "%s/%X-%X.snap",
PG_LOGICAL_SNAPSHOTS_DIR,
LSN_FORMAT_ARGS(lsn));
/*
@ -1681,7 +1682,7 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
* be safely on disk.
*/
fsync_fname(path, false);
fsync_fname("pg_logical/snapshots", true);
fsync_fname(PG_LOGICAL_SNAPSHOTS_DIR, true);
builder->last_serialized_snapshot = lsn;
goto out;
@ -1697,7 +1698,8 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
elog(DEBUG1, "serializing snapshot to %s", path);
/* to make sure only we will write to this tempfile, include pid */
sprintf(tmppath, "pg_logical/snapshots/%X-%X.snap.%d.tmp",
sprintf(tmppath, "%s/%X-%X.snap.%d.tmp",
PG_LOGICAL_SNAPSHOTS_DIR,
LSN_FORMAT_ARGS(lsn), MyProcPid);
/*
@ -1818,7 +1820,7 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
(errcode_for_file_access(),
errmsg("could not close file \"%s\": %m", tmppath)));
fsync_fname("pg_logical/snapshots", true);
fsync_fname(PG_LOGICAL_SNAPSHOTS_DIR, true);
/*
* We may overwrite the work from some other backend, but that's ok, our
@ -1834,7 +1836,7 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
/* make sure we persist */
fsync_fname(path, false);
fsync_fname("pg_logical/snapshots", true);
fsync_fname(PG_LOGICAL_SNAPSHOTS_DIR, true);
/*
* Now there's no way we can lose the dumped state anymore, remember this
@ -1871,7 +1873,8 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
if (builder->state == SNAPBUILD_CONSISTENT)
return false;
sprintf(path, "pg_logical/snapshots/%X-%X.snap",
sprintf(path, "%s/%X-%X.snap",
PG_LOGICAL_SNAPSHOTS_DIR,
LSN_FORMAT_ARGS(lsn));
fd = OpenTransientFile(path, O_RDONLY | PG_BINARY);
@ -1892,7 +1895,7 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
* ----
*/
fsync_fname(path, false);
fsync_fname("pg_logical/snapshots", true);
fsync_fname(PG_LOGICAL_SNAPSHOTS_DIR, true);
/* read statically sized portion of snapshot */
@ -2074,7 +2077,7 @@ CheckPointSnapBuild(void)
XLogRecPtr redo;
DIR *snap_dir;
struct dirent *snap_de;
char path[MAXPGPATH + 21];
char path[MAXPGPATH + sizeof(PG_LOGICAL_SNAPSHOTS_DIR)];
/*
* We start off with a minimum of the last redo pointer. No new
@ -2090,8 +2093,8 @@ CheckPointSnapBuild(void)
if (redo < cutoff)
cutoff = redo;
snap_dir = AllocateDir("pg_logical/snapshots");
while ((snap_de = ReadDir(snap_dir, "pg_logical/snapshots")) != NULL)
snap_dir = AllocateDir(PG_LOGICAL_SNAPSHOTS_DIR);
while ((snap_de = ReadDir(snap_dir, PG_LOGICAL_SNAPSHOTS_DIR)) != NULL)
{
uint32 hi;
uint32 lo;
@ -2102,7 +2105,7 @@ CheckPointSnapBuild(void)
strcmp(snap_de->d_name, "..") == 0)
continue;
snprintf(path, sizeof(path), "pg_logical/snapshots/%s", snap_de->d_name);
snprintf(path, sizeof(path), "%s/%s", PG_LOGICAL_SNAPSHOTS_DIR, snap_de->d_name);
de_type = get_dirent_type(path, snap_de, false, DEBUG1);
if (de_type != PGFILETYPE_ERROR && de_type != PGFILETYPE_REG)
@ -2162,7 +2165,8 @@ SnapBuildSnapshotExists(XLogRecPtr lsn)
int ret;
struct stat stat_buf;
sprintf(path, "pg_logical/snapshots/%X-%X.snap",
sprintf(path, "%s/%X-%X.snap",
PG_LOGICAL_SNAPSHOTS_DIR,
LSN_FORMAT_ARGS(lsn));
ret = stat(path, &stat_buf);