PersistentFileSysState
PersistentRelation_GetState(
RelFileNode *relFileNode)
{
READ_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
RelationDirEntry relationDirEntry;
PersistentFileSysState state;
PersistentRelation_VerifyInitScan();
READ_PERSISTENT_STATE_ORDERED_LOCK;
relationDirEntry = PersistentRelation_FindEntryUnderLock(relFileNode);
if (relationDirEntry == NULL)
{
elog(ERROR, "Did not find persistent relation entry %u/%u/%u",
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode);
}
state = relationDirEntry->state;
READ_PERSISTENT_STATE_ORDERED_UNLOCK;
return state;
}
void
PersistentRelation_LookupTidAndSerialNum(
RelFileNode *relFileNode,
ItemPointer persistentTid,
int64 *persistentSerialNum)
{
READ_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
RelationDirEntry relationDirEntry;
PersistentRelation_VerifyInitScan();
READ_PERSISTENT_STATE_ORDERED_LOCK;
relationDirEntry = PersistentRelation_FindEntryUnderLock(relFileNode);
if (relationDirEntry == NULL)
{
elog(ERROR, "Did not find persistent relation entry %u/%u/%u",
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode);
}
*persistentTid = relationDirEntry->persistentTid;
*persistentSerialNum = relationDirEntry->persistentSerialNum;
READ_PERSISTENT_STATE_ORDERED_UNLOCK;
}
PersistentFileSysObjStateChangeResult PersistentRelation_MarkAbortingCreate(
PersistentFileSysObjName *fsObjName,
ItemPointer persistentTid,
int64 persistentSerialNum,
bool retryPossible)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
RelFileNode *relFileNode = &fsObjName->variant.rel.relFileNode;
RelationDirEntry relationDirEntry;
PersistentFileSysObjStateChangeResult stateChangeResult;
if (RelFileNode_IsEmpty(relFileNode))
{
elog(ERROR, "Invalid RelFileNode (0,0,0)");
}
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
{
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
/*
* The initdb process will load the persistent table once we out of bootstrap mode.
*/
return PersistentFileSysObjStateChangeResult_None;
}
}
PersistentRelation_VerifyInitScan();
/*
* Do this check after skipping out if in bootstrap mode.
*/
if (PersistentStore_IsZeroTid(persistentTid))
{
elog(ERROR, "TID for persistent '%s' tuple for mark DROP pending is invalid (0,0)",
PersistentFileSysObjName_TypeAndObjectName(fsObjName));
}
if (persistentSerialNum == 0)
{
elog(ERROR, "Persistent '%s' serial number for mark DROP pending is invalid (0)",
PersistentFileSysObjName_TypeAndObjectName(fsObjName));
}
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
relationDirEntry = PersistentRelation_FindEntryUnderLock(relFileNode);
if (relationDirEntry == NULL)
{
elog(ERROR, "Did not find persistent relation entry %u/%u/%u",
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode);
}
if (relationDirEntry->state != PersistentFileSysState_CreatePending)
{
elog(ERROR, "Persistent relation entry %u/%u/%u expected to be in 'Create Pending' (actual state '%s')",
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
PersistentFileSysObjState_Name(relationDirEntry->state));
}
stateChangeResult = PersistentFileSysObj_StateChange(
fsObjName,
persistentTid,
persistentSerialNum,
PersistentFileSysState_AbortingCreate,
retryPossible,
/* flushToXLog */ false,
/* oldState */ NULL,
/* verifiedActionCallback */ NULL);
relationDirEntry->state = PersistentFileSysState_AbortingCreate;
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
{
elog(Persistent_DebugPrintLevel(),
"Persistent relation: '%s' changed state from 'Create Pending' to 'Aborting Create', serial number " INT64_FORMAT " at TID %s (State-Change result '%s')",
PersistentFileSysObjName_ObjectName(fsObjName),
persistentSerialNum,
ItemPointerToString(persistentTid),
PersistentFileSysObjStateChangeResult_Name(stateChangeResult));
}
return stateChangeResult;
}
void PersistentRelation_AddCreated(
RelFileNode *relFileNode,
ItemPointer persistentTid,
bool flushToXLog)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
ItemPointerData previousFreeTid;
int64 persistentSerialNum;
RelationDirEntry relationDirEntry;
Datum values[Natts_gp_persistent_relation_node];
if (RelFileNode_IsEmpty(relFileNode))
{
elog(ERROR, "Invalid RelFileNode (0,0,0)");
}
MemSet(&previousFreeTid, 0, sizeof(ItemPointerData));
if (!Persistent_BeforePersistenceWork())
{
elog(ERROR, "We can only add to persistent meta-data when special states");
}
/* Verify PersistentFileSysObj_BuildInitScan has been called */
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationDir(
&fsObjName,
relFileNode,
is_tablespace_shared);
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
relationDirEntry = PersistentRelation_CreateEntryUnderLock(relFileNode);
if (relationDirEntry == NULL)
{
/* If out of shared memory, no need to promote to PANIC. */
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
ereport(ERROR,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("Out of shared-memory for persistent relations"),
errhint("You may need to increase the gp_max_relations value"),
errOmitLocation(true)));
}
relationDirEntry->state = PersistentFileSysState_Created;
GpPersistentRelationNode_SetDatumValues(
values,
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
PersistentFileSysState_Created,
/* reserved */ 0,
/* parentXid */ InvalidTransactionId,
/* persistentSerialNum */ 0,
&previousFreeTid,
is_tablespace_shared(relFileNode->spcNode));
PersistentFileSysObj_AddTuple(
PersistentFsObjType_RelationDir,
values,
flushToXLog,
persistentTid,
&persistentSerialNum);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
{
elog(Persistent_DebugPrintLevel(),
"Persistent relation: Add '%s', in state 'Created', serial number " INT64_FORMAT " at TID %s",
PersistentFileSysObjName_ObjectName(&fsObjName),
persistentSerialNum,
ItemPointerToString(persistentTid));
}
}
void PersistentRelation_MarkCreatePending(
RelFileNode *relFileNode,
ItemPointer persistentTid,
int64 *persistentSerialNum,
bool flushToXLog)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
RelationDirEntry relationDirEntry;
ItemPointerData previousFreeTid;
Datum values[Natts_gp_persistent_relation_node];
if (RelFileNode_IsEmpty(relFileNode))
{
elog(ERROR, "Invalid RelFileNode (0,0,0)");
}
MemSet(&previousFreeTid, 0, sizeof(ItemPointerData));
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
{
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
}
*persistentSerialNum = 0;
/*
* The initdb process will load the persistent table once we out
* of bootstrap mode.
*/
return;
}
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationDir(
&fsObjName,
relFileNode,
is_tablespace_shared);
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
relationDirEntry = PersistentRelation_CreateEntryUnderLock(relFileNode);
if (relationDirEntry == NULL)
{
/* If out of shared memory, no need to promote to PANIC. */
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
ereport(ERROR,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("Out of shared-memory for persistent relations"),
errhint("You may need to increase the gp_max_relations value"),
errOmitLocation(true)));
}
relationDirEntry->state = PersistentFileSysState_CreatePending;
GpPersistentRelationNode_SetDatumValues(
values,
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
PersistentFileSysState_CreatePending,
/* reserved */ 0,
/* parentXid */ GetTopTransactionId(),
/* persistentSerialNum */ 0, // This will be set by PersistentFileSysObj_AddTuple.
&previousFreeTid,
is_tablespace_shared(relFileNode->spcNode));
PersistentFileSysObj_AddTuple(
PersistentFsObjType_RelationDir,
values,
flushToXLog,
&relationDirEntry->persistentTid,
&relationDirEntry->persistentSerialNum);
*persistentTid = relationDirEntry->persistentTid;
*persistentSerialNum = relationDirEntry->persistentSerialNum;
/*
* This XLOG must be generated under the persistent write-lock.
*/
#ifdef MASTER_MIRROR_SYNC
mmxlog_log_create_relation(
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
persistentTid, persistentSerialNum);
#endif
/*
* MPP-18228
* To make adding 'Create Pending' entry to persistent table and
* adding to the PendingDelete list atomic
*/
PendingDelete_AddCreatePendingEntryWrapper(
&fsObjName,
persistentTid,
*persistentSerialNum);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
}
/*
* Indicate we are aborting the create of a relation file.
*
* This state will make sure the relation gets dropped after a system crash.
*/
PersistentFileSysObjStateChangeResult PersistentRelation_MarkAbortingCreate(
RelFileNode *relFileNode,
/* The tablespace, database, and relation OIDs for the aborting create. */
int32 segmentFileNum,
ItemPointer persistentTid,
/* TID of the gp_persistent_rel_files tuple for the relation. */
int64 persistentSerialNum,
/* Serial number for the relation. Distinquishes the uses of the tuple. */
bool retryPossible)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
PersistentFileSysObjStateChangeResult stateChangeResult;
if(RelFileNode_IsEmpty(relFileNode))
elog(ERROR, "Invalid RelFileNode (0,0,0)");
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
return false; // The initdb process will load the persistent table once we out of bootstrap mode.
}
/* MPP-16543: When inserting tuples into AO table, row numbers will be
* generated from gp_fastsequence catalog table, as part of the design,
* these sequence numbers are not reusable, even if the AO insert
* transaction is aborted. The entry in gp_fastsequence was inserted
* using frozen_heap_insert, which means it's always visible.
* Aborted AO insert transaction will cause inconsistency between
* gp_fastsequence and pg_class, the solution is to introduce "frozen
* delete" - inplace update tuple's MVCC header to make it invisible.
*/
Relation gp_fastsequence_rel = heap_open(FastSequenceRelationId, RowExclusiveLock);
HeapTuple tup;
SysScanDesc scan;
ScanKeyData skey;
ScanKeyInit(&skey,
Anum_gp_fastsequence_objid,
BTEqualStrategyNumber,
F_OIDEQ,
relFileNode->relNode);
scan = systable_beginscan(gp_fastsequence_rel,
InvalidOid,
false,
SnapshotNow,
1,
&skey);
while (HeapTupleIsValid(tup = systable_getnext(scan)))
{
Form_gp_fastsequence found = (Form_gp_fastsequence) GETSTRUCT(tup);
if (found->objid == relFileNode->relNode)
{
if (Debug_persistent_print)
{
elog(LOG, "frozen deleting gp_fastsequence entry for aborted AO insert transaction on relation %s", relpath(*relFileNode));
}
frozen_heap_inplace_delete(gp_fastsequence_rel, tup);
}
}
systable_endscan(scan);
heap_close(gp_fastsequence_rel, RowExclusiveLock);
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
relFileNode,
segmentFileNum);
// Do this check after skipping out if in bootstrap mode.
if (PersistentStore_IsZeroTid(persistentTid))
elog(ERROR, "TID for persistent '%s' tuple for mark DROP pending is invalid (0,0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
if (persistentSerialNum == 0)
elog(ERROR, "Persistent '%s' serial number for mark DROP pending is invalid (0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
stateChangeResult =
PersistentFileSysObj_StateChange(
&fsObjName,
persistentTid,
persistentSerialNum,
PersistentFileSysState_AbortingCreate,
retryPossible,
/* flushToXlog */ false,
/* oldState */ NULL,
/* verifiedActionCallback */ NULL);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Persistent relation: '%s' changed state from 'Create Pending' to 'Aborting Create', serial number " INT64_FORMAT " at TID %s (State-Change result '%s')",
PersistentFileSysObjName_ObjectName(&fsObjName),
persistentSerialNum,
ItemPointerToString(persistentTid),
PersistentFileSysObjStateChangeResult_Name(stateChangeResult));
return stateChangeResult;
}
/*
* Indicate we intend to drop a relation file as part of the current transaction.
*
* This relation file to drop will be listed inside a commit, distributed commit, a distributed
* prepared, and distributed commit prepared XOG records.
*
* For any of the commit type records, once that XLOG record is flushed then the actual
* file-system delete will occur. The flush guarantees the action will be retried after system
* crash.
*/
PersistentFileSysObjStateChangeResult PersistentRelation_MarkDropPending(
RelFileNode *relFileNode,
/* The tablespace, database, and relation OIDs for the drop. */
int32 segmentFileNum,
ItemPointer persistentTid,
/* TID of the gp_persistent_rel_files tuple for the relation. */
int64 persistentSerialNum,
/* Serial number for the relation. Distinquishes the uses of the tuple. */
bool retryPossible)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
PersistentFileSysState oldState;
PersistentFileSysObjStateChangeResult stateChangeResult;
if(RelFileNode_IsEmpty(relFileNode))
elog(ERROR, "Invalid RelFileNode (0,0,0)");
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
return false; // The initdb process will load the persistent table once we out of bootstrap mode.
}
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
relFileNode,
segmentFileNum);
// Do this check after skipping out if in bootstrap mode.
if (PersistentStore_IsZeroTid(persistentTid))
elog(ERROR, "TID for persistent '%s' tuple for mark DROP pending is invalid (0,0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
if (persistentSerialNum == 0)
elog(ERROR, "Persistent '%s' serial number for mark DROP pending is invalid (0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
stateChangeResult =
PersistentFileSysObj_StateChange(
&fsObjName,
persistentTid,
persistentSerialNum,
PersistentFileSysState_DropPending,
retryPossible,
/* flushToXlog */ false,
&oldState,
/* verifiedActionCallback */ NULL);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Persistent relation: '%s' changed state from '%s' to 'Drop Pending', serial number " INT64_FORMAT " TID %s (State-Change result '%s')",
PersistentFileSysObjName_ObjectName(&fsObjName),
PersistentFileSysObjState_Name(oldState),
persistentSerialNum,
ItemPointerToString(persistentTid),
PersistentFileSysObjStateChangeResult_Name(stateChangeResult));
return stateChangeResult;
}
void PersistentRelation_AddCreated(
RelFileNode *relFileNode,
/* The tablespace, database, and relation OIDs for the create. */
int32 segmentFileNum,
PersistentFileSysRelStorageMgr relStorageMgr,
PersistentFileSysRelBufpoolKind relBufpoolKind,
MirroredObjectExistenceState mirrorExistenceState,
MirroredRelDataSynchronizationState relDataSynchronizationState,
int64 mirrorAppendOnlyLossEof,
int64 mirrorAppendOnlyNewEof,
char *relationName,
ItemPointer persistentTid,
/* Resulting TID of the gp_persistent_rel_files tuple for the relation. */
int64 *persistentSerialNum,
/* Resulting serial number for the relation. Distinquishes the uses of the tuple. */
bool flushToXLog)
/* When true, the XLOG record for this change will be flushed to disk. */
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
XLogRecPtr mirrorBufpoolResyncCkptLoc;
ItemPointerData previousFreeTid;
Datum values[Natts_gp_persistent_relation_node];
if(RelFileNode_IsEmpty(relFileNode))
elog(ERROR, "Invalid RelFileNode (0,0,0)");
MemSet(&previousFreeTid, 0, sizeof(ItemPointerData));
MemSet(&mirrorBufpoolResyncCkptLoc, 0, sizeof(XLogRecPtr));
if (!Persistent_BeforePersistenceWork())
elog(ERROR, "We can only add to persistent meta-data when special states");
// Verify PersistentFileSysObj_BuildInitScan has been called.
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
relFileNode,
segmentFileNum);
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
GpPersistentRelationNode_SetDatumValues(
values,
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
segmentFileNum,
relStorageMgr,
PersistentFileSysState_Created,
/* createMirrorDataLossTrackingSessionNum */ 0,
mirrorExistenceState,
relDataSynchronizationState,
/* mirrorBufpoolMarkedForScanIncrementalResync */ false,
/* mirrorBufpoolResyncChangedPageCount */ 0,
&mirrorBufpoolResyncCkptLoc,
/* mirrorBufpoolResyncCkptBlockNum */ 0,
mirrorAppendOnlyLossEof,
mirrorAppendOnlyNewEof,
relBufpoolKind,
InvalidTransactionId,
/* persistentSerialNum */ 0, // This will be set by PersistentFileSysObj_AddTuple.
&previousFreeTid);
PersistentFileSysObj_AddTuple(
PersistentFsObjType_RelationFile,
values,
flushToXLog,
persistentTid,
persistentSerialNum);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Persistent relation: Add '%s', relation name '%s', in state 'Created', relation storage manager '%s', mirror existence state '%s', relation data resynchronization state '%s', serial number " INT64_FORMAT " at TID %s",
PersistentFileSysObjName_ObjectName(&fsObjName),
relationName,
PersistentFileSysRelStorageMgr_Name(relStorageMgr),
MirroredObjectExistenceState_Name(mirrorExistenceState),
MirroredRelDataSynchronizationState_Name(relDataSynchronizationState),
*persistentSerialNum,
ItemPointerToString(persistentTid));
}
/*
* Indicate we intend to create a relation file as part of the current transaction.
*
* This function adds an entry in 'gp_persistent_relation_node' for either a new table (segment file
* # 0) or a new segment file under AO table (segment file # > 0 for row/column-oriented AO) with a state
* 'Create Pending'. An XLOG IntentToCreate record is generated that will guard the subsequent file-system
* create in case the transaction aborts.
*
* Paramaters
* -----------
* relFileNode = The tablespace, database, and relation OIDs for the create
* segmentFileNum = As the name implies ( 0 for heap
* >= 0 for RO/CO AO as applicable)
* relStorageMgr = Persistent Relation storage Manager
* relBufpoolKind = Buffer pool type beneath corrosponding relation
* TODO bufferPollBulkLoad = ???
* TODO mirrorExistenceState = ???
* TODO relDataSynchronizationState = ???
* flushToXlog = If true, the XLOG record for this change will be flushed to disk.
* TODO isLocalBuf = ???
*
* Return
* ------
* relationName = Name of the relation used for either debugging or to store in PendingDelete LL.
* persistentTid = Resulting TID of the gp_persistent_rel_files tuple for the relation
* serialNum = Resulting serial number for the relation. Distinquishes the uses of the tuple
*/
void PersistentRelation_AddCreatePending(
RelFileNode *relFileNode,
int32 segmentFileNum,
PersistentFileSysRelStorageMgr relStorageMgr,
PersistentFileSysRelBufpoolKind relBufpoolKind,
bool bufferPoolBulkLoad,
MirroredObjectExistenceState mirrorExistenceState,
MirroredRelDataSynchronizationState relDataSynchronizationState,
char *relationName,
ItemPointer persistentTid,
int64 *serialNum,
bool flushToXLog,
bool isLocalBuf)
{
WRITE_PERSISTENT_STATE_ORDERED_LOCK_DECLARE;
PersistentFileSysObjName fsObjName;
XLogRecPtr mirrorBufpoolResyncCkptLoc;
ItemPointerData previousFreeTid;
Datum values[Natts_gp_persistent_relation_node];
if(RelFileNode_IsEmpty(relFileNode))
elog(ERROR, "Invalid RelFileNode (0,0,0)");
MemSet(&previousFreeTid, 0, sizeof(ItemPointerData));
MemSet(&mirrorBufpoolResyncCkptLoc, 0, sizeof(XLogRecPtr));
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
MemSet(persistentTid, 0, sizeof(ItemPointerData));
*serialNum = 0;
return; // The initdb process will load the persistent table once we out of bootstrap mode.
}
/* Verify if the needed shared mem data structures for persistent tables are setup and inited */
PersistentRelation_VerifyInitScan();
/* Setup the file system object name */
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
relFileNode,
segmentFileNum);
WRITE_PERSISTENT_STATE_ORDERED_LOCK;
/* Create a values array which will be used to create a 'gp_persistent_relation_node' tuple */
GpPersistentRelationNode_SetDatumValues(
values,
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
segmentFileNum,
relStorageMgr,
(bufferPoolBulkLoad ?
PersistentFileSysState_BulkLoadCreatePending :
PersistentFileSysState_CreatePending),
/* createMirrorDataLossTrackingSessionNum */ 0,
mirrorExistenceState,
relDataSynchronizationState,
/* mirrorBufpoolMarkedForScanIncrementalResync */ false,
/* mirrorBufpoolResyncChangedPageCount */ 0,
&mirrorBufpoolResyncCkptLoc,
/* mirrorBufpoolResyncCkptBlockNum */ 0,
/* mirrorAppendOnlyLossEof */ 0,
/* mirrorAppendOnlyNewEof */ 0,
relBufpoolKind,
GetTopTransactionId(),
/* persistentSerialNum */ 0, // This will be set by PersistentFileSysObj_AddTuple.
&previousFreeTid);
/* Add a new tuple to 'gp_persistent_relation_node' table for the new relation/segment file
* we intend to create. This will also create and apply a new persistent serial number. */
PersistentFileSysObj_AddTuple(
PersistentFsObjType_RelationFile,
values,
flushToXLog,
persistentTid,
serialNum);
/*
* This XLOG must be generated under the persistent write-lock.
*/
#ifdef MASTER_MIRROR_SYNC
mmxlog_log_create_relfilenode(
relFileNode->spcNode,
relFileNode->dbNode,
relFileNode->relNode,
segmentFileNum);
#endif
#ifdef FAULT_INJECTOR
FaultInjector_InjectFaultIfSet(
FaultBeforePendingDeleteRelationEntry,
DDLNotSpecified,
"", // databaseName
""); // tableName
#endif
/* We'll add an entry to the PendingDelete LinkedList (LL) to remeber what we
* created in this transaction (or sub-transaction). If the transaction
* aborts then we can search for all such entries in this LL and get rid of (delete)
* such relations or segment files on the disk.
*
* MPP-18228
* To make adding 'Create Pending' entry to persistent table and adding
* to the PendingDelete list atomic
*/
PendingDelete_AddCreatePendingRelationEntry(
&fsObjName,
persistentTid,
serialNum,
relStorageMgr,
relationName,
isLocalBuf,
bufferPoolBulkLoad);
WRITE_PERSISTENT_STATE_ORDERED_UNLOCK;
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Persistent relation: Add '%s', relation name '%s' in state 'Create Pending', relation storage manager '%s', mirror existence state '%s', relation data resynchronization state '%s', serial number " INT64_FORMAT " at TID %s",
PersistentFileSysObjName_ObjectName(&fsObjName),
relationName,
PersistentFileSysRelStorageMgr_Name(relStorageMgr),
MirroredObjectExistenceState_Name(mirrorExistenceState),
MirroredRelDataSynchronizationState_Name(relDataSynchronizationState),
*serialNum,
ItemPointerToString(persistentTid));
}
void PersistentRelation_MarkBufPoolRelationForScanIncrementalResync(
RelFileNode *relFileNode,
/* The tablespace, database, and relation OIDs for the created relation. */
ItemPointer persistentTid,
/* TID of the gp_persistent_rel_files tuple for the relation. */
int64 persistentSerialNum)
/* Serial number for the relation. Distinquishes the uses of the tuple. */
{
PersistentFileSysObjName fsObjName;
if(RelFileNode_IsEmpty(relFileNode))
elog(ERROR, "Invalid RelFileNode (0,0,0)");
if (GpPersistent_SkipXLogInfo(relFileNode->relNode))
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because it is special",
relpath(*relFileNode));
return; // Resynchronize will always handle these relations as 'Scan Incremental'..
}
if (IsBootstrapProcessingMode())
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are in bootstrap mode",
relpath(*relFileNode));
return; // The initdb process will load the persistent table once we out of bootstrap mode.
}
if (Persistent_BeforePersistenceWork())
{
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Skipping persistent relation '%s' because we are before persistence work",
relpath(*relFileNode));
return; // The initdb process will load the persistent table once we out of bootstrap mode.
}
PersistentRelation_VerifyInitScan();
PersistentFileSysObjName_SetRelationFile(
&fsObjName,
relFileNode,
/* segmentFileNum */ 0);
// Do this check after skipping out if in bootstrap mode.
if (PersistentStore_IsZeroTid(persistentTid))
elog(ERROR, "TID for persistent '%s' tuple for mark physically truncated is invalid (0,0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
if (persistentSerialNum == 0)
elog(ERROR, "Persistent '%s' serial number for mark physcially truncated is invalid (0)",
PersistentFileSysObjName_TypeAndObjectName(&fsObjName));
PersistentFileSysObj_MarkBufPoolRelationForScanIncrementalResync(
&fsObjName,
persistentTid,
persistentSerialNum,
/* flushToXlog */ true);
if (Debug_persistent_print)
elog(Persistent_DebugPrintLevel(),
"Persistent relation: '%s' marked physically truncated, serial number " INT64_FORMAT " at TID %s",
PersistentFileSysObjName_ObjectName(&fsObjName),
persistentSerialNum,
ItemPointerToString(persistentTid));
}