static inline void GpPersistentDatabaseNodeGetValues(Datum* values, PT_GpPersistentDatabaseNode *dbnode)
{
GpPersistentDatabaseNode_GetValues(
values,
&dbnode->tablespaceOid,
&dbnode->databaseOid,
&dbnode->persistentState,
&dbnode->createMirrorDataLossTrackingSessionNum,
&dbnode->mirrorExistenceState,
&dbnode->reserved,
&dbnode->parentXid,
&dbnode->persistentSerialNum,
&dbnode->previousFreeTid);
}
static bool PersistentDatabase_CheckTablespaceScanTupleCallback(
ItemPointer persistentTid,
int64 persistentSerialNum,
Datum *values)
{
DbDirNode dbDirNode;
PersistentFileSysState state;
int32 reserved;
TransactionId parentXid;
int64 serialNum;
ItemPointerData previousFreeTid;
bool sharedStorage;
GpPersistentDatabaseNode_GetValues(
values,
&dbDirNode.tablespace,
&dbDirNode.database,
&state,
&reserved,
&parentXid,
&serialNum,
&previousFreeTid,
&sharedStorage);
if (state == PersistentFileSysState_Created &&
dbDirNode.tablespace == persistentDatabaseCheckTablespace)
{
/*
* Database can access different tablespaces, which will be recorded in
* this relation. Skip the tablespaces which are not recored in
* pg_database relation.
*/
if (MyDatabaseTableSpace == persistentDatabaseCheckTablespace ||
get_database_dts(MyDatabaseId) == persistentDatabaseCheckTablespace)
persistentDatabaseCheckTablespaceUseCount++;
}
return true;
}
void GpPersistent_GetCommonValues(
PersistentFsObjType fsObjType,
Datum *values,
PersistentFileSysObjName *fsObjName,
PersistentFileSysState *persistentState,
MirroredObjectExistenceState *mirrorExistenceState,
TransactionId *parentXid,
int64 *persistentSerialNum)
{
int64 createMirrorDataLossTrackingSessionNum;
int32 reserved;
switch (fsObjType)
{
case PersistentFsObjType_RelationFile:
{
RelFileNode relFileNode;
int32 segmentFileNum;
PersistentFileSysRelStorageMgr relationStorageManager;
MirroredRelDataSynchronizationState mirrorDataSynchronizationState;
bool mirrorBufpoolMarkedForScanIncrementalResync;
int64 mirrorBufpoolResyncChangedPageCount;
XLogRecPtr mirrorBufpoolResyncCkptLoc;
BlockNumber mirrorBufpoolResyncCkptBlockNum;
int64 mirrorAppendOnlyLossEof;
int64 mirrorAppendOnlyNewEof;
PersistentFileSysRelBufpoolKind relBufpoolKind;
GpPersistentRelationNode_GetValues(
values,
&relFileNode.spcNode,
&relFileNode.dbNode,
&relFileNode.relNode,
&segmentFileNum,
&relationStorageManager,
persistentState,
&createMirrorDataLossTrackingSessionNum,
mirrorExistenceState,
&mirrorDataSynchronizationState,
&mirrorBufpoolMarkedForScanIncrementalResync,
&mirrorBufpoolResyncChangedPageCount,
&mirrorBufpoolResyncCkptLoc,
&mirrorBufpoolResyncCkptBlockNum,
&mirrorAppendOnlyLossEof,
&mirrorAppendOnlyNewEof,
&relBufpoolKind,
parentXid,
persistentSerialNum);
PersistentFileSysObjName_SetRelationFile(
fsObjName,
&relFileNode,
segmentFileNum);
}
break;
case PersistentFsObjType_DatabaseDir:
{
DbDirNode dbDirNode;
GpPersistentDatabaseNode_GetValues(
values,
&dbDirNode.tablespace,
&dbDirNode.database,
persistentState,
&createMirrorDataLossTrackingSessionNum,
mirrorExistenceState,
&reserved,
parentXid,
persistentSerialNum);
PersistentFileSysObjName_SetDatabaseDir(
fsObjName,
dbDirNode.tablespace,
dbDirNode.database);
}
break;
case PersistentFsObjType_TablespaceDir:
{
Oid tablespaceOid;
Oid filespaceOid;
GpPersistentTablespaceNode_GetValues(
values,
&filespaceOid,
&tablespaceOid,
persistentState,
&createMirrorDataLossTrackingSessionNum,
mirrorExistenceState,
&reserved,
parentXid,
persistentSerialNum);
PersistentFileSysObjName_SetTablespaceDir(
fsObjName,
tablespaceOid);
}
break;
case PersistentFsObjType_FilespaceDir:
{
Oid filespaceOid;
int16 dbId1;
char locationBlankPadded1[FilespaceLocationBlankPaddedWithNullTermLen];
int16 dbId2;
char locationBlankPadded2[FilespaceLocationBlankPaddedWithNullTermLen];
GpPersistentFilespaceNode_GetValues(
values,
&filespaceOid,
&dbId1,
locationBlankPadded1,
&dbId2,
locationBlankPadded2,
persistentState,
&createMirrorDataLossTrackingSessionNum,
mirrorExistenceState,
&reserved,
parentXid,
persistentSerialNum);
PersistentFileSysObjName_SetFilespaceDir(
fsObjName,
filespaceOid);
}
break;
default:
elog(ERROR, "Unexpected persistent file-system object type: %d",
fsObjType);
}
}
static bool PersistentDatabase_ScanTupleCallback(
ItemPointer persistentTid,
int64 persistentSerialNum,
Datum *values)
{
DbDirNode dbDirNode;
PersistentFileSysState state;
int32 reserved;
TransactionId parentXid;
int64 serialNum;
ItemPointerData previousFreeTid;
SharedOidSearchAddResult addResult;
DatabaseDirEntry databaseDirEntry;
bool sharedStorage;
GpPersistentDatabaseNode_GetValues(
values,
&dbDirNode.tablespace,
&dbDirNode.database,
&state,
&reserved,
&parentXid,
&serialNum,
&previousFreeTid,
&sharedStorage);
if (state == PersistentFileSysState_Free)
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"PersistentDatabase_ScanTupleCallback: TID %s, serial number " INT64_FORMAT " is free",
ItemPointerToString2(persistentTid),
persistentSerialNum);
return true; // Continue.
}
addResult =
SharedOidSearch_Add(
&persistentDatabaseSharedData->databaseDirSearchTable,
dbDirNode.database,
dbDirNode.tablespace,
(SharedOidSearchObjHeader**)&databaseDirEntry);
if (addResult == SharedOidSearchAddResult_NoMemory)
elog(ERROR, "Out of shared-memory for persistent relations");
else if (addResult == SharedOidSearchAddResult_Exists)
elog(PANIC, "Persistent database entry '%s' already exists in state '%s'",
GetDatabasePath(dbDirNode.database, dbDirNode.tablespace),
PersistentFileSysObjState_Name(databaseDirEntry->state));
else
Assert(addResult == SharedOidSearchAddResult_Ok);
databaseDirEntry->state = state;
databaseDirEntry->persistentSerialNum = serialNum;
databaseDirEntry->persistentTid = *persistentTid;
databaseDirEntry->iteratorRefCount = 0;
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"PersistentDatabase_ScanTupleCallback: database %u, tablespace %u, state %s, TID %s, serial number " INT64_FORMAT,
dbDirNode.database,
dbDirNode.tablespace,
PersistentFileSysObjState_Name(state),
ItemPointerToString2(persistentTid),
persistentSerialNum);
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);
}
}
