static void GetFilespacePathForTablespace(
Oid tablespaceOid,
char **filespacePath)
{
PersistentTablespaceGetFilespaces tablespaceGetFilespaces;
Oid filespaceOid;
/* All other tablespaces are accessed via filespace locations */
char *primary_path;
char *mirror_path; /* unused */
Assert(tablespaceOid != GLOBALTABLESPACE_OID);
Assert(tablespaceOid != DEFAULTTABLESPACE_OID);
/* Lookup filespace location from the persistent object layer. */
tablespaceGetFilespaces =
PersistentTablespace_TryGetPrimaryAndMirrorFilespaces(
tablespaceOid,
&primary_path,
&mirror_path,
&filespaceOid);
switch (tablespaceGetFilespaces)
{
case PersistentTablespaceGetFilespaces_TablespaceNotFound:
ereport(ERROR,
(errcode(ERRCODE_CDB_INTERNAL_ERROR),
errmsg("Unable to find entry for tablespace OID = %u when forming file-system path",
tablespaceOid)));
break;
case PersistentTablespaceGetFilespaces_FilespaceNotFound:
ereport(ERROR,
(errcode(ERRCODE_CDB_INTERNAL_ERROR),
errmsg("Unable to find entry for filespace OID = %u when forming file-system path for tablespace OID = %u",
filespaceOid,
tablespaceOid)));
break;
case PersistentTablespaceGetFilespaces_Ok:
// Go below and pass back the result.
break;
default:
elog(ERROR, "Unexpected tablespace filespace fetch result: %d",
tablespaceGetFilespaces);
}
/*
* We immediately throw out the mirror_path because it is not
* relevant here.
*/
if (mirror_path)
pfree(mirror_path);
Assert(primary_path != NULL);
*filespacePath = primary_path;
}
void
PersistentTablespace_GetPrimaryAndMirrorFilespaces(
Oid tablespaceOid,
/* The tablespace OID for the create. */
char **primaryFilespaceLocation,
/* The primary filespace directory path. Return NULL for global and base. */
char **mirrorFilespaceLocation)
/*
* The primary filespace directory path. Return NULL for global and base.
* Or, returns NULL when mirror not configured.
*/
{
PersistentTablespaceGetFilespaces tablespaceGetFilespaces;
Oid filespaceOid;
/*
* Do not call PersistentTablepace_VerifyInitScan here to allow
* PersistentTablespace_TryGetPrimaryAndMirrorFilespaces to handle the
* Standby Master special case.
*/
tablespaceGetFilespaces =
PersistentTablespace_TryGetPrimaryAndMirrorFilespaces(
tablespaceOid,
primaryFilespaceLocation,
mirrorFilespaceLocation,
&filespaceOid);
switch (tablespaceGetFilespaces)
{
case PersistentTablespaceGetFilespaces_TablespaceNotFound:
ereport(ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("Unable to find entry for tablespace OID = %u when getting filespace directory paths",
tablespaceOid)));
break;
case PersistentTablespaceGetFilespaces_FilespaceNotFound:
ereport(ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("Unable to find entry for filespace OID = %u when forming filespace directory paths for tablespace OID = %u",
filespaceOid,
tablespaceOid)));
break;
case PersistentTablespaceGetFilespaces_Ok:
/* Go below and pass back the result. */
break;
default:
elog(ERROR, "Unexpected tablespace filespace fetch result: %d",
tablespaceGetFilespaces);
}
}
