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decode.c File Reference
Include dependency graph for decode.c:

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Data Structures

struct  XLogRecordBuffer
 

Typedefs

typedef struct XLogRecordBuffer XLogRecordBuffer
 

Functions

static void DecodeXLogOp (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeHeapOp (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeHeap2Op (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeXactOp (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeStandbyOp (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeLogicalMsgOp (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeInsert (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeUpdate (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeDelete (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeTruncate (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeMultiInsert (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeSpecConfirm (LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
 
static void DecodeCommit (LogicalDecodingContext *ctx, XLogRecordBuffer *buf, xl_xact_parsed_commit *parsed, TransactionId xid)
 
static void DecodeAbort (LogicalDecodingContext *ctx, XLogRecordBuffer *buf, xl_xact_parsed_abort *parsed, TransactionId xid)
 
static void DecodeXLogTuple (char *data, Size len, ReorderBufferTupleBuf *tup)
 
void LogicalDecodingProcessRecord (LogicalDecodingContext *ctx, XLogReaderState *record)
 
static bool FilterByOrigin (LogicalDecodingContext *ctx, RepOriginId origin_id)
 

Typedef Documentation

◆ XLogRecordBuffer

Function Documentation

◆ DecodeAbort()

static void DecodeAbort ( LogicalDecodingContext ctx,
XLogRecordBuffer buf,
xl_xact_parsed_abort parsed,
TransactionId  xid 
)
static

Definition at line 646 of file decode.c.

References XLogReaderState::EndRecPtr, i, xl_xact_parsed_abort::nsubxacts, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferAbort(), and xl_xact_parsed_abort::subxacts.

Referenced by DecodeXactOp().

648 {
649  int i;
650 
651  for (i = 0; i < parsed->nsubxacts; i++)
652  {
653  ReorderBufferAbort(ctx->reorder, parsed->subxacts[i],
654  buf->record->EndRecPtr);
655  }
656 
657  ReorderBufferAbort(ctx->reorder, xid, buf->record->EndRecPtr);
658 }
struct ReorderBuffer * reorder
Definition: logical.h:45
XLogRecPtr EndRecPtr
Definition: xlogreader.h:120
XLogReaderState * record
Definition: decode.c:53
TransactionId * subxacts
Definition: xact.h:334
void ReorderBufferAbort(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
int i

◆ DecodeCommit()

static void DecodeCommit ( LogicalDecodingContext ctx,
XLogRecordBuffer buf,
xl_xact_parsed_commit parsed,
TransactionId  xid 
)
static

Definition at line 560 of file decode.c.

References ReplicationSlot::data, ReplicationSlotPersistentData::database, xl_xact_parsed_commit::dbId, XLogRecordBuffer::endptr, LogicalDecodingContext::fast_forward, FilterByOrigin(), i, InvalidOid, InvalidXLogRecPtr, xl_xact_parsed_commit::msgs, xl_xact_parsed_commit::nmsgs, xl_xact_parsed_commit::nsubxacts, xl_xact_parsed_commit::origin_lsn, xl_xact_parsed_commit::origin_timestamp, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferAddInvalidations(), ReorderBufferCommit(), ReorderBufferCommitChild(), ReorderBufferForget(), ReorderBufferXidSetCatalogChanges(), LogicalDecodingContext::slot, SnapBuildCommitTxn(), SnapBuildXactNeedsSkip(), LogicalDecodingContext::snapshot_builder, xl_xact_parsed_commit::subxacts, xl_xact_parsed_commit::xact_time, XACT_XINFO_HAS_ORIGIN, xl_xact_parsed_commit::xinfo, and XLogRecGetOrigin.

Referenced by DecodeXactOp().

562 {
563  XLogRecPtr origin_lsn = InvalidXLogRecPtr;
564  TimestampTz commit_time = parsed->xact_time;
565  RepOriginId origin_id = XLogRecGetOrigin(buf->record);
566  int i;
567 
568  if (parsed->xinfo & XACT_XINFO_HAS_ORIGIN)
569  {
570  origin_lsn = parsed->origin_lsn;
571  commit_time = parsed->origin_timestamp;
572  }
573 
574  /*
575  * Process invalidation messages, even if we're not interested in the
576  * transaction's contents, since the various caches need to always be
577  * consistent.
578  */
579  if (parsed->nmsgs > 0)
580  {
581  if (!ctx->fast_forward)
583  parsed->nmsgs, parsed->msgs);
585  }
586 
588  parsed->nsubxacts, parsed->subxacts);
589 
590  /* ----
591  * Check whether we are interested in this specific transaction, and tell
592  * the reorderbuffer to forget the content of the (sub-)transactions
593  * if not.
594  *
595  * There can be several reasons we might not be interested in this
596  * transaction:
597  * 1) We might not be interested in decoding transactions up to this
598  * LSN. This can happen because we previously decoded it and now just
599  * are restarting or if we haven't assembled a consistent snapshot yet.
600  * 2) The transaction happened in another database.
601  * 3) The output plugin is not interested in the origin.
602  * 4) We are doing fast-forwarding
603  *
604  * We can't just use ReorderBufferAbort() here, because we need to execute
605  * the transaction's invalidations. This currently won't be needed if
606  * we're just skipping over the transaction because currently we only do
607  * so during startup, to get to the first transaction the client needs. As
608  * we have reset the catalog caches before starting to read WAL, and we
609  * haven't yet touched any catalogs, there can't be anything to invalidate.
610  * But if we're "forgetting" this commit because it's it happened in
611  * another database, the invalidations might be important, because they
612  * could be for shared catalogs and we might have loaded data into the
613  * relevant syscaches.
614  * ---
615  */
617  (parsed->dbId != InvalidOid && parsed->dbId != ctx->slot->data.database) ||
618  ctx->fast_forward || FilterByOrigin(ctx, origin_id))
619  {
620  for (i = 0; i < parsed->nsubxacts; i++)
621  {
622  ReorderBufferForget(ctx->reorder, parsed->subxacts[i], buf->origptr);
623  }
624  ReorderBufferForget(ctx->reorder, xid, buf->origptr);
625 
626  return;
627  }
628 
629  /* tell the reorderbuffer about the surviving subtransactions */
630  for (i = 0; i < parsed->nsubxacts; i++)
631  {
632  ReorderBufferCommitChild(ctx->reorder, xid, parsed->subxacts[i],
633  buf->origptr, buf->endptr);
634  }
635 
636  /* replay actions of all transaction + subtransactions in order */
637  ReorderBufferCommit(ctx->reorder, xid, buf->origptr, buf->endptr,
638  commit_time, origin_id, origin_lsn);
639 }
#define InvalidXLogRecPtr
Definition: xlogdefs.h:28
#define XACT_XINFO_HAS_ORIGIN
Definition: xact.h:164
struct ReorderBuffer * reorder
Definition: logical.h:45
void ReorderBufferForget(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
bool SnapBuildXactNeedsSkip(SnapBuild *builder, XLogRecPtr ptr)
Definition: snapbuild.c:410
void ReorderBufferCommit(ReorderBuffer *rb, TransactionId xid, XLogRecPtr commit_lsn, XLogRecPtr end_lsn, TimestampTz commit_time, RepOriginId origin_id, XLogRecPtr origin_lsn)
TimestampTz origin_timestamp
Definition: xact.h:320
void SnapBuildCommitTxn(SnapBuild *builder, XLogRecPtr lsn, TransactionId xid, int nsubxacts, TransactionId *subxacts)
Definition: snapbuild.c:927
int64 TimestampTz
Definition: timestamp.h:39
TransactionId * subxacts
Definition: xact.h:306
uint16 RepOriginId
Definition: xlogdefs.h:51
SharedInvalidationMessage * msgs
Definition: xact.h:312
XLogRecPtr origin_lsn
Definition: xact.h:319
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
XLogRecPtr endptr
Definition: decode.c:52
XLogReaderState * record
Definition: decode.c:53
void ReorderBufferCommitChild(ReorderBuffer *rb, TransactionId xid, TransactionId subxid, XLogRecPtr commit_lsn, XLogRecPtr end_lsn)
#define InvalidOid
Definition: postgres_ext.h:36
struct SnapBuild * snapshot_builder
Definition: logical.h:46
uint64 XLogRecPtr
Definition: xlogdefs.h:21
void ReorderBufferAddInvalidations(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, Size nmsgs, SharedInvalidationMessage *msgs)
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41
int i
void ReorderBufferXidSetCatalogChanges(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
TimestampTz xact_time
Definition: xact.h:299

◆ DecodeDelete()

static void DecodeDelete ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 783 of file decode.c.

References ReorderBufferChange::action, Assert, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, RelFileNode::dbNode, DecodeXLogTuple(), FilterByOrigin(), xl_heap_delete::flags, ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_DELETE, ReorderBufferGetChange(), ReorderBufferGetTupleBuf(), ReorderBufferQueueChange(), SizeOfHeapDelete, SizeOfHeapHeader, LogicalDecodingContext::slot, ReorderBufferChange::tp, XLH_DELETE_CONTAINS_OLD, XLH_DELETE_IS_SUPER, XLogRecGetBlockTag(), XLogRecGetData, XLogRecGetDataLen, XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeapOp().

784 {
785  XLogReaderState *r = buf->record;
786  xl_heap_delete *xlrec;
787  ReorderBufferChange *change;
788  RelFileNode target_node;
789 
790  xlrec = (xl_heap_delete *) XLogRecGetData(r);
791 
792  /* only interested in our database */
793  XLogRecGetBlockTag(r, 0, &target_node, NULL, NULL);
794  if (target_node.dbNode != ctx->slot->data.database)
795  return;
796 
797  /*
798  * Super deletions are irrelevant for logical decoding, it's driven by the
799  * confirmation records.
800  */
801  if (xlrec->flags & XLH_DELETE_IS_SUPER)
802  return;
803 
804  /* output plugin doesn't look for this origin, no need to queue */
805  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
806  return;
807 
808  change = ReorderBufferGetChange(ctx->reorder);
810  change->origin_id = XLogRecGetOrigin(r);
811 
812  memcpy(&change->data.tp.relnode, &target_node, sizeof(RelFileNode));
813 
814  /* old primary key stored */
815  if (xlrec->flags & XLH_DELETE_CONTAINS_OLD)
816  {
817  Size datalen = XLogRecGetDataLen(r) - SizeOfHeapDelete;
818  Size tuplelen = datalen - SizeOfHeapHeader;
819 
820  Assert(XLogRecGetDataLen(r) > (SizeOfHeapDelete + SizeOfHeapHeader));
821 
822  change->data.tp.oldtuple =
823  ReorderBufferGetTupleBuf(ctx->reorder, tuplelen);
824 
825  DecodeXLogTuple((char *) xlrec + SizeOfHeapDelete,
826  datalen, change->data.tp.oldtuple);
827  }
828 
829  change->data.tp.clear_toast_afterwards = true;
830 
831  ReorderBufferQueueChange(ctx->reorder, XLogRecGetXid(r), buf->origptr, change);
832 }
#define XLH_DELETE_IS_SUPER
Definition: heapam_xlog.h:95
struct ReorderBuffer * reorder
Definition: logical.h:45
static void DecodeXLogTuple(char *data, Size len, ReorderBufferTupleBuf *tup)
Definition: decode.c:1015
#define XLH_DELETE_CONTAINS_OLD
Definition: heapam_xlog.h:99
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
struct ReorderBufferChange::@102::@103 tp
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define XLogRecGetDataLen(decoder)
Definition: xlogreader.h:231
#define SizeOfHeapDelete
Definition: heapam_xlog.h:111
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
bool XLogRecGetBlockTag(XLogReaderState *record, uint8 block_id, RelFileNode *rnode, ForkNumber *forknum, BlockNumber *blknum)
Definition: xlogreader.c:1335
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
union ReorderBufferChange::@102 data
#define Assert(condition)
Definition: c.h:699
size_t Size
Definition: c.h:433
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41
#define SizeOfHeapHeader
Definition: heapam_xlog.h:149
ReorderBufferTupleBuf * ReorderBufferGetTupleBuf(ReorderBuffer *rb, Size tuple_len)

◆ DecodeHeap2Op()

static void DecodeHeap2Op ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 354 of file decode.c.

References DecodeMultiInsert(), elog, ERROR, LogicalDecodingContext::fast_forward, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferProcessXid(), SNAPBUILD_FULL_SNAPSHOT, SnapBuildCurrentState(), SnapBuildProcessChange(), SnapBuildProcessNewCid(), LogicalDecodingContext::snapshot_builder, XLOG_HEAP2_CLEAN, XLOG_HEAP2_CLEANUP_INFO, XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_REWRITE, XLOG_HEAP2_VISIBLE, XLOG_HEAP_OPMASK, XLogRecGetData, XLogRecGetInfo, and XLogRecGetXid.

Referenced by LogicalDecodingProcessRecord().

355 {
357  TransactionId xid = XLogRecGetXid(buf->record);
358  SnapBuild *builder = ctx->snapshot_builder;
359 
360  ReorderBufferProcessXid(ctx->reorder, xid, buf->origptr);
361 
362  /*
363  * If we don't have snapshot or we are just fast-forwarding, there is no
364  * point in decoding changes.
365  */
367  ctx->fast_forward)
368  return;
369 
370  switch (info)
371  {
373  if (!ctx->fast_forward &&
374  SnapBuildProcessChange(builder, xid, buf->origptr))
375  DecodeMultiInsert(ctx, buf);
376  break;
377  case XLOG_HEAP2_NEW_CID:
378  {
379  xl_heap_new_cid *xlrec;
380 
381  xlrec = (xl_heap_new_cid *) XLogRecGetData(buf->record);
382  SnapBuildProcessNewCid(builder, xid, buf->origptr, xlrec);
383 
384  break;
385  }
386  case XLOG_HEAP2_REWRITE:
387 
388  /*
389  * Although these records only exist to serve the needs of logical
390  * decoding, all the work happens as part of crash or archive
391  * recovery, so we don't need to do anything here.
392  */
393  break;
394 
395  /*
396  * Everything else here is just low level physical stuff we're not
397  * interested in.
398  */
400  case XLOG_HEAP2_CLEAN:
402  case XLOG_HEAP2_VISIBLE:
404  break;
405  default:
406  elog(ERROR, "unexpected RM_HEAP2_ID record type: %u", info);
407  }
408 }
static void DecodeMultiInsert(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:875
struct ReorderBuffer * reorder
Definition: logical.h:45
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
uint32 TransactionId
Definition: c.h:474
SnapBuildState SnapBuildCurrentState(SnapBuild *builder)
Definition: snapbuild.c:401
#define XLOG_HEAP2_REWRITE
Definition: heapam_xlog.h:53
unsigned char uint8
Definition: c.h:323
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP2_MULTI_INSERT
Definition: heapam_xlog.h:58
bool SnapBuildProcessChange(SnapBuild *builder, TransactionId xid, XLogRecPtr lsn)
Definition: snapbuild.c:719
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define ERROR
Definition: elog.h:43
#define XLOG_HEAP2_CLEAN
Definition: heapam_xlog.h:54
#define XLOG_HEAP2_CLEANUP_INFO
Definition: heapam_xlog.h:56
void SnapBuildProcessNewCid(SnapBuild *builder, TransactionId xid, XLogRecPtr lsn, xl_heap_new_cid *xlrec)
Definition: snapbuild.c:769
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
XLogReaderState * record
Definition: decode.c:53
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55
XLogRecPtr origptr
Definition: decode.c:51
#define elog
Definition: elog.h:219
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)

◆ DecodeHeapOp()

static void DecodeHeapOp ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 414 of file decode.c.

References DecodeDelete(), DecodeInsert(), DecodeSpecConfirm(), DecodeTruncate(), DecodeUpdate(), elog, ERROR, LogicalDecodingContext::fast_forward, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferProcessXid(), ReorderBufferXidSetCatalogChanges(), SNAPBUILD_FULL_SNAPSHOT, SnapBuildCurrentState(), SnapBuildProcessChange(), LogicalDecodingContext::snapshot_builder, TransactionIdIsValid, XLOG_HEAP_CONFIRM, XLOG_HEAP_DELETE, XLOG_HEAP_HOT_UPDATE, XLOG_HEAP_INPLACE, XLOG_HEAP_INSERT, XLOG_HEAP_LOCK, XLOG_HEAP_OPMASK, XLOG_HEAP_TRUNCATE, XLOG_HEAP_UPDATE, XLogRecGetInfo, and XLogRecGetXid.

Referenced by LogicalDecodingProcessRecord().

415 {
417  TransactionId xid = XLogRecGetXid(buf->record);
418  SnapBuild *builder = ctx->snapshot_builder;
419 
420  ReorderBufferProcessXid(ctx->reorder, xid, buf->origptr);
421 
422  /*
423  * If we don't have snapshot or we are just fast-forwarding, there is no
424  * point in decoding data changes.
425  */
427  ctx->fast_forward)
428  return;
429 
430  switch (info)
431  {
432  case XLOG_HEAP_INSERT:
433  if (SnapBuildProcessChange(builder, xid, buf->origptr))
434  DecodeInsert(ctx, buf);
435  break;
436 
437  /*
438  * Treat HOT update as normal updates. There is no useful
439  * information in the fact that we could make it a HOT update
440  * locally and the WAL layout is compatible.
441  */
443  case XLOG_HEAP_UPDATE:
444  if (SnapBuildProcessChange(builder, xid, buf->origptr))
445  DecodeUpdate(ctx, buf);
446  break;
447 
448  case XLOG_HEAP_DELETE:
449  if (SnapBuildProcessChange(builder, xid, buf->origptr))
450  DecodeDelete(ctx, buf);
451  break;
452 
453  case XLOG_HEAP_TRUNCATE:
454  if (SnapBuildProcessChange(builder, xid, buf->origptr))
455  DecodeTruncate(ctx, buf);
456  break;
457 
458  case XLOG_HEAP_INPLACE:
459 
460  /*
461  * Inplace updates are only ever performed on catalog tuples and
462  * can, per definition, not change tuple visibility. Since we
463  * don't decode catalog tuples, we're not interested in the
464  * record's contents.
465  *
466  * In-place updates can be used either by XID-bearing transactions
467  * (e.g. in CREATE INDEX CONCURRENTLY) or by XID-less
468  * transactions (e.g. VACUUM). In the former case, the commit
469  * record will include cache invalidations, so we mark the
470  * transaction as catalog modifying here. Currently that's
471  * redundant because the commit will do that as well, but once we
472  * support decoding in-progress relations, this will be important.
473  */
474  if (!TransactionIdIsValid(xid))
475  break;
476 
477  SnapBuildProcessChange(builder, xid, buf->origptr);
479  break;
480 
481  case XLOG_HEAP_CONFIRM:
482  if (SnapBuildProcessChange(builder, xid, buf->origptr))
483  DecodeSpecConfirm(ctx, buf);
484  break;
485 
486  case XLOG_HEAP_LOCK:
487  /* we don't care about row level locks for now */
488  break;
489 
490  default:
491  elog(ERROR, "unexpected RM_HEAP_ID record type: %u", info);
492  break;
493  }
494 }
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
struct ReorderBuffer * reorder
Definition: logical.h:45
static void DecodeInsert(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:666
uint32 TransactionId
Definition: c.h:474
SnapBuildState SnapBuildCurrentState(SnapBuild *builder)
Definition: snapbuild.c:401
unsigned char uint8
Definition: c.h:323
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
static void DecodeUpdate(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:717
bool SnapBuildProcessChange(SnapBuild *builder, TransactionId xid, XLogRecPtr lsn)
Definition: snapbuild.c:719
static void DecodeSpecConfirm(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:980
#define ERROR
Definition: elog.h:43
static void DecodeDelete(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:783
XLogReaderState * record
Definition: decode.c:53
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLOG_HEAP_UPDATE
Definition: heapam_xlog.h:34
static void DecodeTruncate(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:838
#define XLOG_HEAP_INPLACE
Definition: heapam_xlog.h:39
XLogRecPtr origptr
Definition: decode.c:51
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
void ReorderBufferXidSetCatalogChanges(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
#define elog
Definition: elog.h:219
#define TransactionIdIsValid(xid)
Definition: transam.h:41
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
#define XLOG_HEAP_DELETE
Definition: heapam_xlog.h:33
#define XLOG_HEAP_CONFIRM
Definition: heapam_xlog.h:37

◆ DecodeInsert()

static void DecodeInsert ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 666 of file decode.c.

References ReorderBufferChange::action, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, RelFileNode::dbNode, DecodeXLogTuple(), FilterByOrigin(), xl_heap_insert::flags, ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_INSERT, REORDER_BUFFER_CHANGE_INTERNAL_SPEC_INSERT, ReorderBufferGetChange(), ReorderBufferGetTupleBuf(), ReorderBufferQueueChange(), SizeOfHeapHeader, LogicalDecodingContext::slot, ReorderBufferChange::tp, XLH_INSERT_CONTAINS_NEW_TUPLE, XLH_INSERT_IS_SPECULATIVE, XLogRecGetBlockData(), XLogRecGetBlockTag(), XLogRecGetData, XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeapOp().

667 {
668  XLogReaderState *r = buf->record;
669  xl_heap_insert *xlrec;
670  ReorderBufferChange *change;
671  RelFileNode target_node;
672 
673  xlrec = (xl_heap_insert *) XLogRecGetData(r);
674 
675  /* only interested in our database */
676  XLogRecGetBlockTag(r, 0, &target_node, NULL, NULL);
677  if (target_node.dbNode != ctx->slot->data.database)
678  return;
679 
680  /* output plugin doesn't look for this origin, no need to queue */
681  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
682  return;
683 
684  change = ReorderBufferGetChange(ctx->reorder);
685  if (!(xlrec->flags & XLH_INSERT_IS_SPECULATIVE))
687  else
689  change->origin_id = XLogRecGetOrigin(r);
690 
691  memcpy(&change->data.tp.relnode, &target_node, sizeof(RelFileNode));
692 
694  {
695  Size datalen;
696  char *tupledata = XLogRecGetBlockData(r, 0, &datalen);
697  Size tuplelen = datalen - SizeOfHeapHeader;
698 
699  change->data.tp.newtuple =
700  ReorderBufferGetTupleBuf(ctx->reorder, tuplelen);
701 
702  DecodeXLogTuple(tupledata, datalen, change->data.tp.newtuple);
703  }
704 
705  change->data.tp.clear_toast_afterwards = true;
706 
707  ReorderBufferQueueChange(ctx->reorder, XLogRecGetXid(r), buf->origptr, change);
708 }
struct ReorderBuffer * reorder
Definition: logical.h:45
static void DecodeXLogTuple(char *data, Size len, ReorderBufferTupleBuf *tup)
Definition: decode.c:1015
#define XLH_INSERT_IS_SPECULATIVE
Definition: heapam_xlog.h:68
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
struct ReorderBufferChange::@102::@103 tp
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define XLH_INSERT_CONTAINS_NEW_TUPLE
Definition: heapam_xlog.h:69
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
bool XLogRecGetBlockTag(XLogReaderState *record, uint8 block_id, RelFileNode *rnode, ForkNumber *forknum, BlockNumber *blknum)
Definition: xlogreader.c:1335
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
char * XLogRecGetBlockData(XLogReaderState *record, uint8 block_id, Size *len)
Definition: xlogreader.c:1359
union ReorderBufferChange::@102 data
size_t Size
Definition: c.h:433
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41
#define SizeOfHeapHeader
Definition: heapam_xlog.h:149
ReorderBufferTupleBuf * ReorderBufferGetTupleBuf(ReorderBuffer *rb, Size tuple_len)

◆ DecodeLogicalMsgOp()

static void DecodeLogicalMsgOp ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 509 of file decode.c.

References ReplicationSlot::data, ReplicationSlotPersistentData::database, xl_logical_message::dbId, elog, XLogRecordBuffer::endptr, ERROR, LogicalDecodingContext::fast_forward, FilterByOrigin(), xl_logical_message::message, xl_logical_message::message_size, XLogRecordBuffer::origptr, xl_logical_message::prefix_size, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferProcessXid(), ReorderBufferQueueMessage(), LogicalDecodingContext::slot, SNAPBUILD_CONSISTENT, SNAPBUILD_FULL_SNAPSHOT, SnapBuildCurrentState(), SnapBuildGetOrBuildSnapshot(), SnapBuildProcessChange(), SnapBuildXactNeedsSkip(), LogicalDecodingContext::snapshot_builder, xl_logical_message::transactional, XLOG_LOGICAL_MESSAGE, XLogRecGetData, XLogRecGetInfo, XLogRecGetOrigin, XLogRecGetXid, and XLR_INFO_MASK.

Referenced by LogicalDecodingProcessRecord().

510 {
511  SnapBuild *builder = ctx->snapshot_builder;
512  XLogReaderState *r = buf->record;
513  TransactionId xid = XLogRecGetXid(r);
514  uint8 info = XLogRecGetInfo(r) & ~XLR_INFO_MASK;
515  RepOriginId origin_id = XLogRecGetOrigin(r);
516  Snapshot snapshot;
517  xl_logical_message *message;
518 
519  if (info != XLOG_LOGICAL_MESSAGE)
520  elog(ERROR, "unexpected RM_LOGICALMSG_ID record type: %u", info);
521 
523 
524  /*
525  * If we don't have snapshot or we are just fast-forwarding, there is no
526  * point in decoding messages.
527  */
529  ctx->fast_forward)
530  return;
531 
532  message = (xl_logical_message *) XLogRecGetData(r);
533 
534  if (message->dbId != ctx->slot->data.database ||
535  FilterByOrigin(ctx, origin_id))
536  return;
537 
538  if (message->transactional &&
539  !SnapBuildProcessChange(builder, xid, buf->origptr))
540  return;
541  else if (!message->transactional &&
543  SnapBuildXactNeedsSkip(builder, buf->origptr)))
544  return;
545 
546  snapshot = SnapBuildGetOrBuildSnapshot(builder, xid);
547  ReorderBufferQueueMessage(ctx->reorder, xid, snapshot, buf->endptr,
548  message->transactional,
549  message->message, /* first part of message is
550  * prefix */
551  message->message_size,
552  message->message + message->prefix_size);
553 }
void ReorderBufferQueueMessage(ReorderBuffer *rb, TransactionId xid, Snapshot snapshot, XLogRecPtr lsn, bool transactional, const char *prefix, Size message_size, const char *message)
struct ReorderBuffer * reorder
Definition: logical.h:45
uint32 TransactionId
Definition: c.h:474
bool SnapBuildXactNeedsSkip(SnapBuild *builder, XLogRecPtr ptr)
Definition: snapbuild.c:410
SnapBuildState SnapBuildCurrentState(SnapBuild *builder)
Definition: snapbuild.c:401
unsigned char uint8
Definition: c.h:323
uint16 RepOriginId
Definition: xlogdefs.h:51
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
char message[FLEXIBLE_ARRAY_MEMBER]
Definition: message.h:26
bool SnapBuildProcessChange(SnapBuild *builder, TransactionId xid, XLogRecPtr lsn)
Definition: snapbuild.c:719
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define ERROR
Definition: elog.h:43
XLogRecPtr endptr
Definition: decode.c:52
XLogReaderState * record
Definition: decode.c:53
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
bool transactional
Definition: message.h:23
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41
#define XLOG_LOGICAL_MESSAGE
Definition: message.h:37
#define elog
Definition: elog.h:219
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
Snapshot SnapBuildGetOrBuildSnapshot(SnapBuild *builder, TransactionId xid)
Definition: snapbuild.c:675

◆ DecodeMultiInsert()

static void DecodeMultiInsert ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 875 of file decode.c.

References ReorderBufferChange::action, Assert, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, xl_multi_insert_tuple::datalen, RelFileNode::dbNode, FilterByOrigin(), xl_heap_multi_insert::flags, header(), i, InvalidOid, ItemPointerSetInvalid, xl_heap_multi_insert::ntuples, ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_INSERT, ReorderBufferGetChange(), ReorderBufferGetTupleBuf(), ReorderBufferQueueChange(), SHORTALIGN, SizeofHeapTupleHeader, SizeOfMultiInsertTuple, LogicalDecodingContext::slot, HeapTupleData::t_data, HeapTupleHeaderData::t_hoff, xl_multi_insert_tuple::t_hoff, HeapTupleHeaderData::t_infomask, xl_multi_insert_tuple::t_infomask, HeapTupleHeaderData::t_infomask2, xl_multi_insert_tuple::t_infomask2, HeapTupleData::t_len, HeapTupleData::t_self, HeapTupleData::t_tableOid, ReorderBufferChange::tp, ReorderBufferTupleBuf::tuple, XLH_INSERT_CONTAINS_NEW_TUPLE, XLH_INSERT_LAST_IN_MULTI, XLogRecGetBlockData(), XLogRecGetBlockTag(), XLogRecGetData, XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeap2Op().

876 {
877  XLogReaderState *r = buf->record;
878  xl_heap_multi_insert *xlrec;
879  int i;
880  char *data;
881  char *tupledata;
882  Size tuplelen;
883  RelFileNode rnode;
884 
885  xlrec = (xl_heap_multi_insert *) XLogRecGetData(r);
886 
887  /* only interested in our database */
888  XLogRecGetBlockTag(r, 0, &rnode, NULL, NULL);
889  if (rnode.dbNode != ctx->slot->data.database)
890  return;
891 
892  /* output plugin doesn't look for this origin, no need to queue */
893  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
894  return;
895 
896  tupledata = XLogRecGetBlockData(r, 0, &tuplelen);
897 
898  data = tupledata;
899  for (i = 0; i < xlrec->ntuples; i++)
900  {
901  ReorderBufferChange *change;
902  xl_multi_insert_tuple *xlhdr;
903  int datalen;
904  ReorderBufferTupleBuf *tuple;
905 
906  change = ReorderBufferGetChange(ctx->reorder);
908  change->origin_id = XLogRecGetOrigin(r);
909 
910  memcpy(&change->data.tp.relnode, &rnode, sizeof(RelFileNode));
911 
912  /*
913  * CONTAINS_NEW_TUPLE will always be set currently as multi_insert
914  * isn't used for catalogs, but better be future proof.
915  *
916  * We decode the tuple in pretty much the same way as DecodeXLogTuple,
917  * but since the layout is slightly different, we can't use it here.
918  */
920  {
922 
923  xlhdr = (xl_multi_insert_tuple *) SHORTALIGN(data);
924  data = ((char *) xlhdr) + SizeOfMultiInsertTuple;
925  datalen = xlhdr->datalen;
926 
927  change->data.tp.newtuple =
928  ReorderBufferGetTupleBuf(ctx->reorder, datalen);
929 
930  tuple = change->data.tp.newtuple;
931  header = tuple->tuple.t_data;
932 
933  /* not a disk based tuple */
935 
936  /*
937  * We can only figure this out after reassembling the
938  * transactions.
939  */
940  tuple->tuple.t_tableOid = InvalidOid;
941 
942  tuple->tuple.t_len = datalen + SizeofHeapTupleHeader;
943 
944  memset(header, 0, SizeofHeapTupleHeader);
945 
946  memcpy((char *) tuple->tuple.t_data + SizeofHeapTupleHeader,
947  (char *) data,
948  datalen);
949  data += datalen;
950 
951  header->t_infomask = xlhdr->t_infomask;
952  header->t_infomask2 = xlhdr->t_infomask2;
953  header->t_hoff = xlhdr->t_hoff;
954  }
955 
956  /*
957  * Reset toast reassembly state only after the last row in the last
958  * xl_multi_insert_tuple record emitted by one heap_multi_insert()
959  * call.
960  */
961  if (xlrec->flags & XLH_INSERT_LAST_IN_MULTI &&
962  (i + 1) == xlrec->ntuples)
963  change->data.tp.clear_toast_afterwards = true;
964  else
965  change->data.tp.clear_toast_afterwards = false;
966 
968  buf->origptr, change);
969  }
970  Assert(data == tupledata + tuplelen);
971 }
#define SizeofHeapTupleHeader
Definition: htup_details.h:183
struct ReorderBuffer * reorder
Definition: logical.h:45
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
HeapTupleHeader t_data
Definition: htup.h:68
struct ReorderBufferChange::@102::@103 tp
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define XLH_INSERT_CONTAINS_NEW_TUPLE
Definition: heapam_xlog.h:69
ItemPointerData t_self
Definition: htup.h:65
uint32 t_len
Definition: htup.h:64
HeapTupleData tuple
Definition: reorderbuffer.h:27
Oid t_tableOid
Definition: htup.h:66
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
#define XLH_INSERT_LAST_IN_MULTI
Definition: heapam_xlog.h:67
bool XLogRecGetBlockTag(XLogReaderState *record, uint8 block_id, RelFileNode *rnode, ForkNumber *forknum, BlockNumber *blknum)
Definition: xlogreader.c:1335
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
char * XLogRecGetBlockData(XLogReaderState *record, uint8 block_id, Size *len)
Definition: xlogreader.c:1359
union ReorderBufferChange::@102 data
#define InvalidOid
Definition: postgres_ext.h:36
#define Assert(condition)
Definition: c.h:699
size_t Size
Definition: c.h:433
static void header(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:208
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
#define ItemPointerSetInvalid(pointer)
Definition: itemptr.h:172
ReplicationSlot * slot
Definition: logical.h:41
int i
#define SHORTALIGN(LEN)
Definition: c.h:648
#define SizeOfMultiInsertTuple
Definition: heapam_xlog.h:191
ReorderBufferTupleBuf * ReorderBufferGetTupleBuf(ReorderBuffer *rb, Size tuple_len)

◆ DecodeSpecConfirm()

static void DecodeSpecConfirm ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 980 of file decode.c.

References ReorderBufferChange::action, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, RelFileNode::dbNode, FilterByOrigin(), ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_INTERNAL_SPEC_CONFIRM, ReorderBufferGetChange(), ReorderBufferQueueChange(), LogicalDecodingContext::slot, ReorderBufferChange::tp, XLogRecGetBlockTag(), XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeapOp().

981 {
982  XLogReaderState *r = buf->record;
983  ReorderBufferChange *change;
984  RelFileNode target_node;
985 
986  /* only interested in our database */
987  XLogRecGetBlockTag(r, 0, &target_node, NULL, NULL);
988  if (target_node.dbNode != ctx->slot->data.database)
989  return;
990 
991  /* output plugin doesn't look for this origin, no need to queue */
992  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
993  return;
994 
995  change = ReorderBufferGetChange(ctx->reorder);
997  change->origin_id = XLogRecGetOrigin(r);
998 
999  memcpy(&change->data.tp.relnode, &target_node, sizeof(RelFileNode));
1000 
1001  change->data.tp.clear_toast_afterwards = true;
1002 
1003  ReorderBufferQueueChange(ctx->reorder, XLogRecGetXid(r), buf->origptr, change);
1004 }
struct ReorderBuffer * reorder
Definition: logical.h:45
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
struct ReorderBufferChange::@102::@103 tp
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
bool XLogRecGetBlockTag(XLogReaderState *record, uint8 block_id, RelFileNode *rnode, ForkNumber *forknum, BlockNumber *blknum)
Definition: xlogreader.c:1335
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
union ReorderBufferChange::@102 data
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41

◆ DecodeStandbyOp()

static void DecodeStandbyOp ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 304 of file decode.c.

References elog, ERROR, LogicalDecodingContext::fast_forward, xl_invalidations::msgs, xl_invalidations::nmsgs, xl_running_xacts::oldestRunningXid, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferAbortOld(), ReorderBufferImmediateInvalidation(), ReorderBufferProcessXid(), SnapBuildProcessRunningXacts(), LogicalDecodingContext::snapshot_builder, XLOG_INVALIDATIONS, XLOG_RUNNING_XACTS, XLOG_STANDBY_LOCK, XLogRecGetData, XLogRecGetInfo, XLogRecGetXid, and XLR_INFO_MASK.

Referenced by LogicalDecodingProcessRecord().

305 {
306  SnapBuild *builder = ctx->snapshot_builder;
307  XLogReaderState *r = buf->record;
308  uint8 info = XLogRecGetInfo(r) & ~XLR_INFO_MASK;
309 
311 
312  switch (info)
313  {
314  case XLOG_RUNNING_XACTS:
315  {
317 
318  SnapBuildProcessRunningXacts(builder, buf->origptr, running);
319 
320  /*
321  * Abort all transactions that we keep track of, that are
322  * older than the record's oldestRunningXid. This is the most
323  * convenient spot for doing so since, in contrast to shutdown
324  * or end-of-recovery checkpoints, we have information about
325  * all running transactions which includes prepared ones,
326  * while shutdown checkpoints just know that no non-prepared
327  * transactions are in progress.
328  */
330  }
331  break;
332  case XLOG_STANDBY_LOCK:
333  break;
334  case XLOG_INVALIDATIONS:
335  {
336  xl_invalidations *invalidations =
338 
339  if (!ctx->fast_forward)
341  invalidations->nmsgs,
342  invalidations->msgs);
343  }
344  break;
345  default:
346  elog(ERROR, "unexpected RM_STANDBY_ID record type: %u", info);
347  }
348 }
struct ReorderBuffer * reorder
Definition: logical.h:45
void ReorderBufferAbortOld(ReorderBuffer *rb, TransactionId oldestRunningXid)
#define XLOG_INVALIDATIONS
Definition: standbydefs.h:36
unsigned char uint8
Definition: c.h:323
#define XLOG_STANDBY_LOCK
Definition: standbydefs.h:34
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define ERROR
Definition: elog.h:43
void ReorderBufferImmediateInvalidation(ReorderBuffer *rb, uint32 ninvalidations, SharedInvalidationMessage *invalidations)
void SnapBuildProcessRunningXacts(SnapBuild *builder, XLogRecPtr lsn, xl_running_xacts *running)
Definition: snapbuild.c:1094
XLogReaderState * record
Definition: decode.c:53
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
SharedInvalidationMessage msgs[FLEXIBLE_ARRAY_MEMBER]
Definition: standbydefs.h:69
XLogRecPtr origptr
Definition: decode.c:51
TransactionId oldestRunningXid
Definition: standbydefs.h:53
#define XLOG_RUNNING_XACTS
Definition: standbydefs.h:35
#define elog
Definition: elog.h:219
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)

◆ DecodeTruncate()

static void DecodeTruncate ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 838 of file decode.c.

References ReorderBufferChange::action, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, xl_heap_truncate::dbId, FilterByOrigin(), xl_heap_truncate::flags, xl_heap_truncate::nrelids, ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, palloc(), XLogRecordBuffer::record, xl_heap_truncate::relids, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_TRUNCATE, ReorderBufferGetChange(), ReorderBufferQueueChange(), LogicalDecodingContext::slot, ReorderBufferChange::truncate, XLH_TRUNCATE_CASCADE, XLH_TRUNCATE_RESTART_SEQS, XLogRecGetData, XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeapOp().

839 {
840  XLogReaderState *r = buf->record;
841  xl_heap_truncate *xlrec;
842  ReorderBufferChange *change;
843 
844  xlrec = (xl_heap_truncate *) XLogRecGetData(r);
845 
846  /* only interested in our database */
847  if (xlrec->dbId != ctx->slot->data.database)
848  return;
849 
850  /* output plugin doesn't look for this origin, no need to queue */
851  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
852  return;
853 
854  change = ReorderBufferGetChange(ctx->reorder);
856  change->origin_id = XLogRecGetOrigin(r);
857  if (xlrec->flags & XLH_TRUNCATE_CASCADE)
858  change->data.truncate.cascade = true;
859  if (xlrec->flags & XLH_TRUNCATE_RESTART_SEQS)
860  change->data.truncate.restart_seqs = true;
861  change->data.truncate.nrelids = xlrec->nrelids;
862  change->data.truncate.relids = palloc(xlrec->nrelids * sizeof(Oid));
863  memcpy(change->data.truncate.relids, xlrec->relids,
864  xlrec->nrelids * sizeof(Oid));
866  buf->origptr, change);
867 }
#define XLH_TRUNCATE_CASCADE
Definition: heapam_xlog.h:116
struct ReorderBuffer * reorder
Definition: logical.h:45
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
unsigned int Oid
Definition: postgres_ext.h:31
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
Oid relids[FLEXIBLE_ARRAY_MEMBER]
Definition: heapam_xlog.h:129
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
union ReorderBufferChange::@102 data
#define XLH_TRUNCATE_RESTART_SEQS
Definition: heapam_xlog.h:117
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
void * palloc(Size size)
Definition: mcxt.c:924
ReplicationSlot * slot
Definition: logical.h:41
struct ReorderBufferChange::@102::@104 truncate

◆ DecodeUpdate()

static void DecodeUpdate ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 717 of file decode.c.

References ReorderBufferChange::action, ReplicationSlot::data, ReorderBufferChange::data, ReplicationSlotPersistentData::database, RelFileNode::dbNode, DecodeXLogTuple(), FilterByOrigin(), xl_heap_update::flags, ReorderBufferChange::origin_id, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, REORDER_BUFFER_CHANGE_UPDATE, ReorderBufferGetChange(), ReorderBufferGetTupleBuf(), ReorderBufferQueueChange(), SizeOfHeapHeader, SizeOfHeapUpdate, LogicalDecodingContext::slot, ReorderBufferChange::tp, XLH_UPDATE_CONTAINS_NEW_TUPLE, XLH_UPDATE_CONTAINS_OLD, XLogRecGetBlockData(), XLogRecGetBlockTag(), XLogRecGetData, XLogRecGetDataLen, XLogRecGetOrigin, and XLogRecGetXid.

Referenced by DecodeHeapOp().

718 {
719  XLogReaderState *r = buf->record;
720  xl_heap_update *xlrec;
721  ReorderBufferChange *change;
722  char *data;
723  RelFileNode target_node;
724 
725  xlrec = (xl_heap_update *) XLogRecGetData(r);
726 
727  /* only interested in our database */
728  XLogRecGetBlockTag(r, 0, &target_node, NULL, NULL);
729  if (target_node.dbNode != ctx->slot->data.database)
730  return;
731 
732  /* output plugin doesn't look for this origin, no need to queue */
733  if (FilterByOrigin(ctx, XLogRecGetOrigin(r)))
734  return;
735 
736  change = ReorderBufferGetChange(ctx->reorder);
738  change->origin_id = XLogRecGetOrigin(r);
739  memcpy(&change->data.tp.relnode, &target_node, sizeof(RelFileNode));
740 
742  {
743  Size datalen;
744  Size tuplelen;
745 
746  data = XLogRecGetBlockData(r, 0, &datalen);
747 
748  tuplelen = datalen - SizeOfHeapHeader;
749 
750  change->data.tp.newtuple =
751  ReorderBufferGetTupleBuf(ctx->reorder, tuplelen);
752 
753  DecodeXLogTuple(data, datalen, change->data.tp.newtuple);
754  }
755 
756  if (xlrec->flags & XLH_UPDATE_CONTAINS_OLD)
757  {
758  Size datalen;
759  Size tuplelen;
760 
761  /* caution, remaining data in record is not aligned */
762  data = XLogRecGetData(r) + SizeOfHeapUpdate;
763  datalen = XLogRecGetDataLen(r) - SizeOfHeapUpdate;
764  tuplelen = datalen - SizeOfHeapHeader;
765 
766  change->data.tp.oldtuple =
767  ReorderBufferGetTupleBuf(ctx->reorder, tuplelen);
768 
769  DecodeXLogTuple(data, datalen, change->data.tp.oldtuple);
770  }
771 
772  change->data.tp.clear_toast_afterwards = true;
773 
774  ReorderBufferQueueChange(ctx->reorder, XLogRecGetXid(r), buf->origptr, change);
775 }
struct ReorderBuffer * reorder
Definition: logical.h:45
static void DecodeXLogTuple(char *data, Size len, ReorderBufferTupleBuf *tup)
Definition: decode.c:1015
ReorderBufferChange * ReorderBufferGetChange(ReorderBuffer *rb)
ReplicationSlotPersistentData data
Definition: slot.h:120
static bool FilterByOrigin(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: decode.c:497
enum ReorderBufferChangeType action
Definition: reorderbuffer.h:78
#define XLogRecGetOrigin(decoder)
Definition: xlogreader.h:229
#define XLH_UPDATE_CONTAINS_NEW_TUPLE
Definition: heapam_xlog.h:80
#define SizeOfHeapUpdate
Definition: heapam_xlog.h:225
struct ReorderBufferChange::@102::@103 tp
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define XLogRecGetDataLen(decoder)
Definition: xlogreader.h:231
XLogReaderState * record
Definition: decode.c:53
RepOriginId origin_id
Definition: reorderbuffer.h:80
bool XLogRecGetBlockTag(XLogReaderState *record, uint8 block_id, RelFileNode *rnode, ForkNumber *forknum, BlockNumber *blknum)
Definition: xlogreader.c:1335
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
char * XLogRecGetBlockData(XLogReaderState *record, uint8 block_id, Size *len)
Definition: xlogreader.c:1359
union ReorderBufferChange::@102 data
size_t Size
Definition: c.h:433
void ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn, ReorderBufferChange *change)
XLogRecPtr origptr
Definition: decode.c:51
ReplicationSlot * slot
Definition: logical.h:41
#define XLH_UPDATE_CONTAINS_OLD
Definition: heapam_xlog.h:85
#define SizeOfHeapHeader
Definition: heapam_xlog.h:149
ReorderBufferTupleBuf * ReorderBufferGetTupleBuf(ReorderBuffer *rb, Size tuple_len)

◆ DecodeXactOp()

static void DecodeXactOp ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 212 of file decode.c.

References DecodeAbort(), DecodeCommit(), elog, ERROR, i, xl_xact_assignment::nsubxacts, XLogRecordBuffer::origptr, ParseAbortRecord(), ParseCommitRecord(), XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferAssignChild(), ReorderBufferProcessXid(), SNAPBUILD_FULL_SNAPSHOT, SnapBuildCurrentState(), LogicalDecodingContext::snapshot_builder, TransactionIdIsValid, xl_xact_parsed_commit::twophase_xid, xl_xact_parsed_abort::twophase_xid, XLOG_XACT_ABORT, XLOG_XACT_ABORT_PREPARED, XLOG_XACT_ASSIGNMENT, XLOG_XACT_COMMIT, XLOG_XACT_COMMIT_PREPARED, XLOG_XACT_OPMASK, XLOG_XACT_PREPARE, XLogRecGetData, XLogRecGetInfo, XLogRecGetXid, xl_xact_assignment::xsub, and xl_xact_assignment::xtop.

Referenced by LogicalDecodingProcessRecord().

213 {
214  SnapBuild *builder = ctx->snapshot_builder;
215  ReorderBuffer *reorder = ctx->reorder;
216  XLogReaderState *r = buf->record;
218 
219  /*
220  * No point in doing anything yet, data could not be decoded anyway. It's
221  * ok not to call ReorderBufferProcessXid() in that case, except in the
222  * assignment case there'll not be any later records with the same xid;
223  * and in the assignment case we'll not decode those xacts.
224  */
226  return;
227 
228  switch (info)
229  {
230  case XLOG_XACT_COMMIT:
232  {
233  xl_xact_commit *xlrec;
234  xl_xact_parsed_commit parsed;
235  TransactionId xid;
236 
237  xlrec = (xl_xact_commit *) XLogRecGetData(r);
238  ParseCommitRecord(XLogRecGetInfo(buf->record), xlrec, &parsed);
239 
240  if (!TransactionIdIsValid(parsed.twophase_xid))
241  xid = XLogRecGetXid(r);
242  else
243  xid = parsed.twophase_xid;
244 
245  DecodeCommit(ctx, buf, &parsed, xid);
246  break;
247  }
248  case XLOG_XACT_ABORT:
250  {
251  xl_xact_abort *xlrec;
252  xl_xact_parsed_abort parsed;
253  TransactionId xid;
254 
255  xlrec = (xl_xact_abort *) XLogRecGetData(r);
256  ParseAbortRecord(XLogRecGetInfo(buf->record), xlrec, &parsed);
257 
258  if (!TransactionIdIsValid(parsed.twophase_xid))
259  xid = XLogRecGetXid(r);
260  else
261  xid = parsed.twophase_xid;
262 
263  DecodeAbort(ctx, buf, &parsed, xid);
264  break;
265  }
267  {
268  xl_xact_assignment *xlrec;
269  int i;
270  TransactionId *sub_xid;
271 
272  xlrec = (xl_xact_assignment *) XLogRecGetData(r);
273 
274  sub_xid = &xlrec->xsub[0];
275 
276  for (i = 0; i < xlrec->nsubxacts; i++)
277  {
278  ReorderBufferAssignChild(reorder, xlrec->xtop,
279  *(sub_xid++), buf->origptr);
280  }
281  break;
282  }
283  case XLOG_XACT_PREPARE:
284 
285  /*
286  * Currently decoding ignores PREPARE TRANSACTION and will just
287  * decode the transaction when the COMMIT PREPARED is sent or
288  * throw away the transaction's contents when a ROLLBACK PREPARED
289  * is received. In the future we could add code to expose prepared
290  * transactions in the changestream allowing for a kind of
291  * distributed 2PC.
292  */
293  ReorderBufferProcessXid(reorder, XLogRecGetXid(r), buf->origptr);
294  break;
295  default:
296  elog(ERROR, "unexpected RM_XACT_ID record type: %u", info);
297  }
298 }
#define XLOG_XACT_COMMIT
Definition: xact.h:140
static void DecodeCommit(LogicalDecodingContext *ctx, XLogRecordBuffer *buf, xl_xact_parsed_commit *parsed, TransactionId xid)
Definition: decode.c:560
struct ReorderBuffer * reorder
Definition: logical.h:45
#define XLOG_XACT_PREPARE
Definition: xact.h:141
uint32 TransactionId
Definition: c.h:474
SnapBuildState SnapBuildCurrentState(SnapBuild *builder)
Definition: snapbuild.c:401
TransactionId twophase_xid
Definition: xact.h:314
unsigned char uint8
Definition: c.h:323
TransactionId xtop
Definition: xact.h:190
TransactionId xsub[FLEXIBLE_ARRAY_MEMBER]
Definition: xact.h:192
static void DecodeAbort(LogicalDecodingContext *ctx, XLogRecordBuffer *buf, xl_xact_parsed_abort *parsed, TransactionId xid)
Definition: decode.c:646
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define ERROR
Definition: elog.h:43
void ParseCommitRecord(uint8 info, xl_xact_commit *xlrec, xl_xact_parsed_commit *parsed)
Definition: xactdesc.c:34
#define XLOG_XACT_ABORT_PREPARED
Definition: xact.h:144
XLogReaderState * record
Definition: decode.c:53
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
void ReorderBufferAssignChild(ReorderBuffer *rb, TransactionId xid, TransactionId subxid, XLogRecPtr lsn)
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
#define XLOG_XACT_ASSIGNMENT
Definition: xact.h:145
TransactionId twophase_xid
Definition: xact.h:339
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLOG_XACT_ABORT
Definition: xact.h:142
#define XLOG_XACT_OPMASK
Definition: xact.h:150
void ParseAbortRecord(uint8 info, xl_xact_abort *xlrec, xl_xact_parsed_abort *parsed)
Definition: xactdesc.c:129
XLogRecPtr origptr
Definition: decode.c:51
int i
#define elog
Definition: elog.h:219
#define TransactionIdIsValid(xid)
Definition: transam.h:41
#define XLOG_XACT_COMMIT_PREPARED
Definition: xact.h:143
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)

◆ DecodeXLogOp()

static void DecodeXLogOp ( LogicalDecodingContext ctx,
XLogRecordBuffer buf 
)
static

Definition at line 170 of file decode.c.

References elog, ERROR, XLogRecordBuffer::origptr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferProcessXid(), SnapBuildSerializationPoint(), LogicalDecodingContext::snapshot_builder, XLOG_BACKUP_END, XLOG_CHECKPOINT_ONLINE, XLOG_CHECKPOINT_SHUTDOWN, XLOG_END_OF_RECOVERY, XLOG_FPI, XLOG_FPI_FOR_HINT, XLOG_FPW_CHANGE, XLOG_NEXTOID, XLOG_NOOP, XLOG_PARAMETER_CHANGE, XLOG_RESTORE_POINT, XLOG_SWITCH, XLogRecGetInfo, XLogRecGetXid, and XLR_INFO_MASK.

Referenced by LogicalDecodingProcessRecord().

171 {
172  SnapBuild *builder = ctx->snapshot_builder;
173  uint8 info = XLogRecGetInfo(buf->record) & ~XLR_INFO_MASK;
174 
176  buf->origptr);
177 
178  switch (info)
179  {
180  /* this is also used in END_OF_RECOVERY checkpoints */
183  SnapBuildSerializationPoint(builder, buf->origptr);
184 
185  break;
187 
188  /*
189  * a RUNNING_XACTS record will have been logged near to this, we
190  * can restart from there.
191  */
192  break;
193  case XLOG_NOOP:
194  case XLOG_NEXTOID:
195  case XLOG_SWITCH:
196  case XLOG_BACKUP_END:
198  case XLOG_RESTORE_POINT:
199  case XLOG_FPW_CHANGE:
200  case XLOG_FPI_FOR_HINT:
201  case XLOG_FPI:
202  break;
203  default:
204  elog(ERROR, "unexpected RM_XLOG_ID record type: %u", info);
205  }
206 }
#define XLOG_FPW_CHANGE
Definition: pg_control.h:75
struct ReorderBuffer * reorder
Definition: logical.h:45
#define XLOG_CHECKPOINT_ONLINE
Definition: pg_control.h:68
unsigned char uint8
Definition: c.h:323
#define XLOG_RESTORE_POINT
Definition: pg_control.h:74
#define XLOG_END_OF_RECOVERY
Definition: pg_control.h:76
#define XLOG_NEXTOID
Definition: pg_control.h:70
#define ERROR
Definition: elog.h:43
#define XLOG_PARAMETER_CHANGE
Definition: pg_control.h:73
#define XLOG_CHECKPOINT_SHUTDOWN
Definition: pg_control.h:67
XLogReaderState * record
Definition: decode.c:53
#define XLOG_BACKUP_END
Definition: pg_control.h:72
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
#define XLOG_NOOP
Definition: pg_control.h:69
struct SnapBuild * snapshot_builder
Definition: logical.h:46
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_FPI_FOR_HINT
Definition: pg_control.h:77
#define XLOG_SWITCH
Definition: pg_control.h:71
XLogRecPtr origptr
Definition: decode.c:51
#define XLOG_FPI
Definition: pg_control.h:78
void SnapBuildSerializationPoint(SnapBuild *builder, XLogRecPtr lsn)
Definition: snapbuild.c:1464
#define elog
Definition: elog.h:219
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)

◆ DecodeXLogTuple()

static void DecodeXLogTuple ( char *  data,
Size  len,
ReorderBufferTupleBuf tup 
)
static

Definition at line 1015 of file decode.c.

References Assert, header(), InvalidOid, ItemPointerSetInvalid, SizeOfHeapHeader, SizeofHeapTupleHeader, HeapTupleData::t_data, HeapTupleHeaderData::t_hoff, HeapTupleHeaderData::t_infomask, HeapTupleHeaderData::t_infomask2, HeapTupleData::t_len, HeapTupleData::t_self, HeapTupleData::t_tableOid, and ReorderBufferTupleBuf::tuple.

Referenced by DecodeDelete(), DecodeInsert(), and DecodeUpdate().

1016 {
1017  xl_heap_header xlhdr;
1018  int datalen = len - SizeOfHeapHeader;
1020 
1021  Assert(datalen >= 0);
1022 
1023  tuple->tuple.t_len = datalen + SizeofHeapTupleHeader;
1024  header = tuple->tuple.t_data;
1025 
1026  /* not a disk based tuple */
1027  ItemPointerSetInvalid(&tuple->tuple.t_self);
1028 
1029  /* we can only figure this out after reassembling the transactions */
1030  tuple->tuple.t_tableOid = InvalidOid;
1031 
1032  /* data is not stored aligned, copy to aligned storage */
1033  memcpy((char *) &xlhdr,
1034  data,
1035  SizeOfHeapHeader);
1036 
1037  memset(header, 0, SizeofHeapTupleHeader);
1038 
1039  memcpy(((char *) tuple->tuple.t_data) + SizeofHeapTupleHeader,
1040  data + SizeOfHeapHeader,
1041  datalen);
1042 
1043  header->t_infomask = xlhdr.t_infomask;
1044  header->t_infomask2 = xlhdr.t_infomask2;
1045  header->t_hoff = xlhdr.t_hoff;
1046 }
#define SizeofHeapTupleHeader
Definition: htup_details.h:183
uint16 t_infomask2
Definition: heapam_xlog.h:144
#define InvalidOid
Definition: postgres_ext.h:36
#define Assert(condition)
Definition: c.h:699
uint16 t_infomask
Definition: heapam_xlog.h:145
static void header(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:208
#define ItemPointerSetInvalid(pointer)
Definition: itemptr.h:172
#define SizeOfHeapHeader
Definition: heapam_xlog.h:149

◆ FilterByOrigin()

static bool FilterByOrigin ( LogicalDecodingContext ctx,
RepOriginId  origin_id 
)
inlinestatic

Definition at line 497 of file decode.c.

References LogicalDecodingContext::callbacks, OutputPluginCallbacks::filter_by_origin_cb, and filter_by_origin_cb_wrapper().

Referenced by DecodeCommit(), DecodeDelete(), DecodeInsert(), DecodeLogicalMsgOp(), DecodeMultiInsert(), DecodeSpecConfirm(), DecodeTruncate(), and DecodeUpdate().

498 {
499  if (ctx->callbacks.filter_by_origin_cb == NULL)
500  return false;
501 
502  return filter_by_origin_cb_wrapper(ctx, origin_id);
503 }
OutputPluginCallbacks callbacks
Definition: logical.h:55
bool filter_by_origin_cb_wrapper(LogicalDecodingContext *ctx, RepOriginId origin_id)
Definition: logical.c:781
LogicalDecodeFilterByOriginCB filter_by_origin_cb

◆ LogicalDecodingProcessRecord()

void LogicalDecodingProcessRecord ( LogicalDecodingContext ctx,
XLogReaderState record 
)

Definition at line 97 of file decode.c.

References buf, DecodeHeap2Op(), DecodeHeapOp(), DecodeLogicalMsgOp(), DecodeStandbyOp(), DecodeXactOp(), DecodeXLogOp(), elog, XLogRecordBuffer::endptr, XLogReaderState::EndRecPtr, ERROR, XLogRecordBuffer::origptr, LogicalDecodingContext::reader, XLogReaderState::ReadRecPtr, XLogRecordBuffer::record, LogicalDecodingContext::reorder, ReorderBufferProcessXid(), RM_NEXT_ID, XLogRecGetRmid, and XLogRecGetXid.

Referenced by DecodingContextFindStartpoint(), pg_logical_replication_slot_advance(), pg_logical_slot_get_changes_guts(), and XLogSendLogical().

98 {
100 
101  buf.origptr = ctx->reader->ReadRecPtr;
102  buf.endptr = ctx->reader->EndRecPtr;
103  buf.record = record;
104 
105  /* cast so we get a warning when new rmgrs are added */
106  switch ((RmgrIds) XLogRecGetRmid(record))
107  {
108  /*
109  * Rmgrs we care about for logical decoding. Add new rmgrs in
110  * rmgrlist.h's order.
111  */
112  case RM_XLOG_ID:
113  DecodeXLogOp(ctx, &buf);
114  break;
115 
116  case RM_XACT_ID:
117  DecodeXactOp(ctx, &buf);
118  break;
119 
120  case RM_STANDBY_ID:
121  DecodeStandbyOp(ctx, &buf);
122  break;
123 
124  case RM_HEAP2_ID:
125  DecodeHeap2Op(ctx, &buf);
126  break;
127 
128  case RM_HEAP_ID:
129  DecodeHeapOp(ctx, &buf);
130  break;
131 
132  case RM_LOGICALMSG_ID:
133  DecodeLogicalMsgOp(ctx, &buf);
134  break;
135 
136  /*
137  * Rmgrs irrelevant for logical decoding; they describe stuff not
138  * represented in logical decoding. Add new rmgrs in rmgrlist.h's
139  * order.
140  */
141  case RM_SMGR_ID:
142  case RM_CLOG_ID:
143  case RM_DBASE_ID:
144  case RM_TBLSPC_ID:
145  case RM_MULTIXACT_ID:
146  case RM_RELMAP_ID:
147  case RM_BTREE_ID:
148  case RM_HASH_ID:
149  case RM_GIN_ID:
150  case RM_GIST_ID:
151  case RM_SEQ_ID:
152  case RM_SPGIST_ID:
153  case RM_BRIN_ID:
154  case RM_COMMIT_TS_ID:
155  case RM_REPLORIGIN_ID:
156  case RM_GENERIC_ID:
157  /* just deal with xid, and done */
159  buf.origptr);
160  break;
161  case RM_NEXT_ID:
162  elog(ERROR, "unexpected RM_NEXT_ID rmgr_id: %u", (RmgrIds) XLogRecGetRmid(buf.record));
163  }
164 }
struct ReorderBuffer * reorder
Definition: logical.h:45
XLogRecPtr EndRecPtr
Definition: xlogreader.h:120
static void DecodeXactOp(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:212
static void DecodeLogicalMsgOp(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:509
#define ERROR
Definition: elog.h:43
XLogRecPtr endptr
Definition: decode.c:52
static char * buf
Definition: pg_test_fsync.c:67
XLogRecPtr ReadRecPtr
Definition: xlogreader.h:119
XLogReaderState * record
Definition: decode.c:53
static void DecodeXLogOp(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:170
static void DecodeHeap2Op(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:354
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
XLogRecPtr origptr
Definition: decode.c:51
XLogReaderState * reader
Definition: logical.h:44
static void DecodeHeapOp(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:414
#define elog
Definition: elog.h:219
void ReorderBufferProcessXid(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn)
RmgrIds
Definition: rmgr.h:25
static void DecodeStandbyOp(LogicalDecodingContext *ctx, XLogRecordBuffer *buf)
Definition: decode.c:304
#define XLogRecGetRmid(decoder)
Definition: xlogreader.h:227