static bool PersistentRelfile_CheckTablespaceScanTupleCallback(
ItemPointer persistentTid,
int64 persistentSerialNum,
Datum *values)
{
RelFileNode relFileNode;
int32 segmentFileNum;
PersistentFileSysRelStorageMgr relationStorageManager;
PersistentFileSysState state;
PersistentFileSysRelBufpoolKind relBufpoolKind;
TransactionId parentXid;
int64 serialNum;
ItemPointerData previousFreeTid;
bool sharedStorage;
GpPersistentRelfileNode_GetValues(
values,
&relFileNode.spcNode,
&relFileNode.dbNode,
&relFileNode.relNode,
&segmentFileNum,
&relationStorageManager,
&state,
&relBufpoolKind,
&parentXid,
&serialNum,
&previousFreeTid,
&sharedStorage);
if (state == PersistentFileSysState_Created &&
relFileNode.spcNode == persistentRelfileCheckTablespace)
{
persistentRelfileCheckTablespaceUseCount++;
if (persistentRelfileCheckTablespaceUseCount == 1)
{
memcpy(&persistentRelfileCheckTablespaceRelFileNode, &relFileNode, sizeof(RelFileNode));
}
}
return true; // Continue.
}
void GpPersistent_GetCommonValues(
PersistentFsObjType fsObjType,
Datum *values,
PersistentFileSysObjName *fsObjName,
PersistentFileSysState *persistentState,
TransactionId *parentXid,
int64 *persistentSerialNum)
{
int32 reserved;
ItemPointerData previousFreeTid;
bool sharedStorage;
switch (fsObjType)
{
case PersistentFsObjType_RelationFile:
{
RelFileNode relFileNode;
int32 segmentFileNum;
PersistentFileSysRelStorageMgr relationStorageManager;
PersistentFileSysRelBufpoolKind relBufpoolKind;
GpPersistentRelfileNode_GetValues(
values,
&relFileNode.spcNode,
&relFileNode.dbNode,
&relFileNode.relNode,
&segmentFileNum,
&relationStorageManager,
persistentState,
&relBufpoolKind,
parentXid,
persistentSerialNum,
&previousFreeTid,
&sharedStorage);
PersistentFileSysObjName_SetRelationFile(
fsObjName,
&relFileNode,
segmentFileNum,
NULL);
fsObjName->hasInited = true;
fsObjName->sharedStorage = sharedStorage;
}
break;
case PersistentFsObjType_RelationDir:
{
RelFileNode relFileNode;
GpPersistentRelationNode_GetValues(
values,
&relFileNode.spcNode,
&relFileNode.dbNode,
&relFileNode.relNode,
persistentState,
&reserved,
parentXid,
persistentSerialNum,
&previousFreeTid,
&sharedStorage);
PersistentFileSysObjName_SetRelationDir(
fsObjName,
&relFileNode,
NULL);
fsObjName->hasInited = true;
fsObjName->sharedStorage = sharedStorage;
}
break;
case PersistentFsObjType_DatabaseDir:
{
DbDirNode dbDirNode;
GpPersistentDatabaseNode_GetValues(
values,
&dbDirNode.tablespace,
&dbDirNode.database,
persistentState,
&reserved,
parentXid,
persistentSerialNum,
&previousFreeTid,
&sharedStorage);
PersistentFileSysObjName_SetDatabaseDir(
fsObjName,
dbDirNode.tablespace,
dbDirNode.database,
NULL);
fsObjName->hasInited = true;
fsObjName->sharedStorage = sharedStorage;
}
break;
case PersistentFsObjType_TablespaceDir:
{
Oid tablespaceOid;
Oid filespaceOid;
GpPersistentTablespaceNode_GetValues(
values,
&filespaceOid,
&tablespaceOid,
persistentState,
&reserved,
parentXid,
persistentSerialNum,
&previousFreeTid,
&sharedStorage);
PersistentFileSysObjName_SetTablespaceDir(
fsObjName,
tablespaceOid,
NULL);
fsObjName->hasInited = true;
fsObjName->sharedStorage = sharedStorage;
}
break;
case PersistentFsObjType_FilespaceDir:
{
Oid filespaceOid;
int16 dbId1;
char locationBlankPadded1[FilespaceLocationBlankPaddedWithNullTermLen];
GpPersistentFilespaceNode_GetValues(
values,
&filespaceOid,
&dbId1,
locationBlankPadded1,
persistentState,
&reserved,
parentXid,
persistentSerialNum,
&previousFreeTid,
&sharedStorage);
PersistentFileSysObjName_SetFilespaceDir(
fsObjName,
filespaceOid,
NULL);
fsObjName->hasInited = true;
fsObjName->sharedStorage = sharedStorage;
}
break;
default:
elog(ERROR, "Unexpected persistent file-system object type: %d",
fsObjType);
}
}
static void PersistentBuild_ScanGpPersistentRelationNodeForGlobal(
Relation gp_relation_node,
int64 *count)
{
PersistentFileSysObjData *fileSysObjData;
PersistentFileSysObjSharedData *fileSysObjSharedData;
PersistentStoreScan storeScan;
Datum values[Natts_gp_persistent_relfile_node];
ItemPointerData persistentTid;
int64 persistentSerialNum;
PersistentFileSysObj_GetDataPtrs(
PersistentFsObjType_RelationFile,
&fileSysObjData,
&fileSysObjSharedData);
PersistentStore_BeginScan(
&fileSysObjData->storeData,
&fileSysObjSharedData->storeSharedData,
&storeScan);
while (PersistentStore_GetNext(
&storeScan,
values,
&persistentTid,
&persistentSerialNum))
{
RelFileNode relFileNode;
int32 segmentFileNum;
PersistentFileSysRelStorageMgr relationStorageManager;
PersistentFileSysState persistentState;
PersistentFileSysRelBufpoolKind relBufpoolKind;
TransactionId parentXid;
int64 serialNum;
ItemPointerData previousFreeTid;
PersistentFileSysObjName fsObjName;
bool sharedStorage;
GpPersistentRelfileNode_GetValues(
values,
&relFileNode.spcNode,
&relFileNode.dbNode,
&relFileNode.relNode,
&segmentFileNum,
&relationStorageManager,
&persistentState,
&relBufpoolKind,
&parentXid,
&serialNum,
&previousFreeTid,
&sharedStorage);
if (persistentState == PersistentFileSysState_Free)
continue;
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
&relFileNode,
segmentFileNum,
NULL);
fsObjName.hasInited = true;
fsObjName.sharedStorage = sharedStorage;
if (relFileNode.spcNode != GLOBALTABLESPACE_OID)
continue;
if (relationStorageManager != PersistentFileSysRelStorageMgr_BufferPool)
elog(ERROR, "Only expecting global tables to be Buffer Pool managed");
InsertGpRelfileNodeTuple(
gp_relation_node,
relFileNode.relNode, // pg_class OID
/* relationName */ NULL, // Optional.
relFileNode.relNode, // pg_class relfilenode
/* segmentFileNum */ 0,
/* updateIndex */ false,
&persistentTid,
persistentSerialNum);
(*count)++;
}
PersistentStore_EndScan(&storeScan);
}
