PostgreSQL Source Code  git master
heapam_xlog.h File Reference
#include "access/htup.h"
#include "access/xlogreader.h"
#include "lib/stringinfo.h"
#include "storage/buf.h"
#include "storage/bufpage.h"
#include "storage/relfilenode.h"
#include "utils/relcache.h"
Include dependency graph for heapam_xlog.h:
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Data Structures

struct  xl_heap_delete
 
struct  xl_heap_truncate
 
struct  xl_heap_header
 
struct  xl_heap_insert
 
struct  xl_heap_multi_insert
 
struct  xl_multi_insert_tuple
 
struct  xl_heap_update
 
struct  xl_heap_prune
 
struct  xl_heap_vacuum
 
struct  xl_heap_lock
 
struct  xl_heap_lock_updated
 
struct  xl_heap_confirm
 
struct  xl_heap_inplace
 
struct  xl_heap_freeze_tuple
 
struct  xl_heap_freeze_page
 
struct  xl_heap_visible
 
struct  xl_heap_new_cid
 
struct  xl_heap_rewrite_mapping
 

Macros

#define XLOG_HEAP_INSERT   0x00
 
#define XLOG_HEAP_DELETE   0x10
 
#define XLOG_HEAP_UPDATE   0x20
 
#define XLOG_HEAP_TRUNCATE   0x30
 
#define XLOG_HEAP_HOT_UPDATE   0x40
 
#define XLOG_HEAP_CONFIRM   0x50
 
#define XLOG_HEAP_LOCK   0x60
 
#define XLOG_HEAP_INPLACE   0x70
 
#define XLOG_HEAP_OPMASK   0x70
 
#define XLOG_HEAP_INIT_PAGE   0x80
 
#define XLOG_HEAP2_REWRITE   0x00
 
#define XLOG_HEAP2_PRUNE   0x10
 
#define XLOG_HEAP2_VACUUM   0x20
 
#define XLOG_HEAP2_FREEZE_PAGE   0x30
 
#define XLOG_HEAP2_VISIBLE   0x40
 
#define XLOG_HEAP2_MULTI_INSERT   0x50
 
#define XLOG_HEAP2_LOCK_UPDATED   0x60
 
#define XLOG_HEAP2_NEW_CID   0x70
 
#define XLH_INSERT_ALL_VISIBLE_CLEARED   (1<<0)
 
#define XLH_INSERT_LAST_IN_MULTI   (1<<1)
 
#define XLH_INSERT_IS_SPECULATIVE   (1<<2)
 
#define XLH_INSERT_CONTAINS_NEW_TUPLE   (1<<3)
 
#define XLH_INSERT_ON_TOAST_RELATION   (1<<4)
 
#define XLH_INSERT_ALL_FROZEN_SET   (1<<5)
 
#define XLH_UPDATE_OLD_ALL_VISIBLE_CLEARED   (1<<0)
 
#define XLH_UPDATE_NEW_ALL_VISIBLE_CLEARED   (1<<1)
 
#define XLH_UPDATE_CONTAINS_OLD_TUPLE   (1<<2)
 
#define XLH_UPDATE_CONTAINS_OLD_KEY   (1<<3)
 
#define XLH_UPDATE_CONTAINS_NEW_TUPLE   (1<<4)
 
#define XLH_UPDATE_PREFIX_FROM_OLD   (1<<5)
 
#define XLH_UPDATE_SUFFIX_FROM_OLD   (1<<6)
 
#define XLH_UPDATE_CONTAINS_OLD   (XLH_UPDATE_CONTAINS_OLD_TUPLE | XLH_UPDATE_CONTAINS_OLD_KEY)
 
#define XLH_DELETE_ALL_VISIBLE_CLEARED   (1<<0)
 
#define XLH_DELETE_CONTAINS_OLD_TUPLE   (1<<1)
 
#define XLH_DELETE_CONTAINS_OLD_KEY   (1<<2)
 
#define XLH_DELETE_IS_SUPER   (1<<3)
 
#define XLH_DELETE_IS_PARTITION_MOVE   (1<<4)
 
#define XLH_DELETE_CONTAINS_OLD   (XLH_DELETE_CONTAINS_OLD_TUPLE | XLH_DELETE_CONTAINS_OLD_KEY)
 
#define SizeOfHeapDelete   (offsetof(xl_heap_delete, flags) + sizeof(uint8))
 
#define XLH_TRUNCATE_CASCADE   (1<<0)
 
#define XLH_TRUNCATE_RESTART_SEQS   (1<<1)
 
#define SizeOfHeapTruncate   (offsetof(xl_heap_truncate, relids))
 
#define SizeOfHeapHeader   (offsetof(xl_heap_header, t_hoff) + sizeof(uint8))
 
#define SizeOfHeapInsert   (offsetof(xl_heap_insert, flags) + sizeof(uint8))
 
#define SizeOfHeapMultiInsert   offsetof(xl_heap_multi_insert, offsets)
 
#define SizeOfMultiInsertTuple   (offsetof(xl_multi_insert_tuple, t_hoff) + sizeof(uint8))
 
#define SizeOfHeapUpdate   (offsetof(xl_heap_update, new_offnum) + sizeof(OffsetNumber))
 
#define SizeOfHeapPrune   (offsetof(xl_heap_prune, ndead) + sizeof(uint16))
 
#define SizeOfHeapVacuum   (offsetof(xl_heap_vacuum, nunused) + sizeof(uint16))
 
#define XLHL_XMAX_IS_MULTI   0x01
 
#define XLHL_XMAX_LOCK_ONLY   0x02
 
#define XLHL_XMAX_EXCL_LOCK   0x04
 
#define XLHL_XMAX_KEYSHR_LOCK   0x08
 
#define XLHL_KEYS_UPDATED   0x10
 
#define XLH_LOCK_ALL_FROZEN_CLEARED   0x01
 
#define SizeOfHeapLock   (offsetof(xl_heap_lock, flags) + sizeof(int8))
 
#define SizeOfHeapLockUpdated   (offsetof(xl_heap_lock_updated, flags) + sizeof(uint8))
 
#define SizeOfHeapConfirm   (offsetof(xl_heap_confirm, offnum) + sizeof(OffsetNumber))
 
#define SizeOfHeapInplace   (offsetof(xl_heap_inplace, offnum) + sizeof(OffsetNumber))
 
#define XLH_FREEZE_XVAC   0x02
 
#define XLH_INVALID_XVAC   0x04
 
#define SizeOfHeapFreezePage   (offsetof(xl_heap_freeze_page, ntuples) + sizeof(uint16))
 
#define SizeOfHeapVisible   (offsetof(xl_heap_visible, flags) + sizeof(uint8))
 
#define SizeOfHeapNewCid   (offsetof(xl_heap_new_cid, target_tid) + sizeof(ItemPointerData))
 

Typedefs

typedef struct xl_heap_delete xl_heap_delete
 
typedef struct xl_heap_truncate xl_heap_truncate
 
typedef struct xl_heap_header xl_heap_header
 
typedef struct xl_heap_insert xl_heap_insert
 
typedef struct xl_heap_multi_insert xl_heap_multi_insert
 
typedef struct xl_multi_insert_tuple xl_multi_insert_tuple
 
typedef struct xl_heap_update xl_heap_update
 
typedef struct xl_heap_prune xl_heap_prune
 
typedef struct xl_heap_vacuum xl_heap_vacuum
 
typedef struct xl_heap_lock xl_heap_lock
 
typedef struct xl_heap_lock_updated xl_heap_lock_updated
 
typedef struct xl_heap_confirm xl_heap_confirm
 
typedef struct xl_heap_inplace xl_heap_inplace
 
typedef struct xl_heap_freeze_tuple xl_heap_freeze_tuple
 
typedef struct xl_heap_freeze_page xl_heap_freeze_page
 
typedef struct xl_heap_visible xl_heap_visible
 
typedef struct xl_heap_new_cid xl_heap_new_cid
 
typedef struct xl_heap_rewrite_mapping xl_heap_rewrite_mapping
 

Functions

void HeapTupleHeaderAdvanceLatestRemovedXid (HeapTupleHeader tuple, TransactionId *latestRemovedXid)
 
void heap_redo (XLogReaderState *record)
 
void heap_desc (StringInfo buf, XLogReaderState *record)
 
const char * heap_identify (uint8 info)
 
void heap_mask (char *pagedata, BlockNumber blkno)
 
void heap2_redo (XLogReaderState *record)
 
void heap2_desc (StringInfo buf, XLogReaderState *record)
 
const char * heap2_identify (uint8 info)
 
void heap_xlog_logical_rewrite (XLogReaderState *r)
 
XLogRecPtr log_heap_freeze (Relation reln, Buffer buffer, TransactionId cutoff_xid, xl_heap_freeze_tuple *tuples, int ntuples)
 
bool heap_prepare_freeze_tuple (HeapTupleHeader tuple, TransactionId relfrozenxid, TransactionId relminmxid, TransactionId cutoff_xid, TransactionId cutoff_multi, xl_heap_freeze_tuple *frz, bool *totally_frozen)
 
void heap_execute_freeze_tuple (HeapTupleHeader tuple, xl_heap_freeze_tuple *xlrec_tp)
 
XLogRecPtr log_heap_visible (RelFileNode rnode, Buffer heap_buffer, Buffer vm_buffer, TransactionId cutoff_xid, uint8 flags)
 

Macro Definition Documentation

◆ SizeOfHeapConfirm

#define SizeOfHeapConfirm   (offsetof(xl_heap_confirm, offnum) + sizeof(OffsetNumber))

Definition at line 305 of file heapam_xlog.h.

Referenced by heap_finish_speculative().

◆ SizeOfHeapDelete

#define SizeOfHeapDelete   (offsetof(xl_heap_delete, flags) + sizeof(uint8))

Definition at line 115 of file heapam_xlog.h.

Referenced by DecodeDelete(), heap_abort_speculative(), and heap_delete().

◆ SizeOfHeapFreezePage

#define SizeOfHeapFreezePage   (offsetof(xl_heap_freeze_page, ntuples) + sizeof(uint16))

Definition at line 345 of file heapam_xlog.h.

Referenced by log_heap_freeze().

◆ SizeOfHeapHeader

#define SizeOfHeapHeader   (offsetof(xl_heap_header, t_hoff) + sizeof(uint8))

◆ SizeOfHeapInplace

#define SizeOfHeapInplace   (offsetof(xl_heap_inplace, offnum) + sizeof(OffsetNumber))

Definition at line 314 of file heapam_xlog.h.

Referenced by heap_inplace_update().

◆ SizeOfHeapInsert

#define SizeOfHeapInsert   (offsetof(xl_heap_insert, flags) + sizeof(uint8))

Definition at line 162 of file heapam_xlog.h.

Referenced by heap_insert().

◆ SizeOfHeapLock

#define SizeOfHeapLock   (offsetof(xl_heap_lock, flags) + sizeof(int8))

Definition at line 286 of file heapam_xlog.h.

Referenced by heap_lock_tuple(), and heap_update().

◆ SizeOfHeapLockUpdated

#define SizeOfHeapLockUpdated   (offsetof(xl_heap_lock_updated, flags) + sizeof(uint8))

Definition at line 297 of file heapam_xlog.h.

Referenced by heap_lock_updated_tuple_rec().

◆ SizeOfHeapMultiInsert

#define SizeOfHeapMultiInsert   offsetof(xl_heap_multi_insert, offsets)

Definition at line 182 of file heapam_xlog.h.

Referenced by heap_multi_insert().

◆ SizeOfHeapNewCid

#define SizeOfHeapNewCid   (offsetof(xl_heap_new_cid, target_tid) + sizeof(ItemPointerData))

Definition at line 379 of file heapam_xlog.h.

Referenced by log_heap_new_cid().

◆ SizeOfHeapPrune

#define SizeOfHeapPrune   (offsetof(xl_heap_prune, ndead) + sizeof(uint16))

Definition at line 251 of file heapam_xlog.h.

Referenced by heap_page_prune().

◆ SizeOfHeapTruncate

#define SizeOfHeapTruncate   (offsetof(xl_heap_truncate, relids))

Definition at line 136 of file heapam_xlog.h.

Referenced by ExecuteTruncateGuts().

◆ SizeOfHeapUpdate

#define SizeOfHeapUpdate   (offsetof(xl_heap_update, new_offnum) + sizeof(OffsetNumber))

Definition at line 227 of file heapam_xlog.h.

Referenced by DecodeUpdate(), and log_heap_update().

◆ SizeOfHeapVacuum

#define SizeOfHeapVacuum   (offsetof(xl_heap_vacuum, nunused) + sizeof(uint16))

Definition at line 265 of file heapam_xlog.h.

Referenced by lazy_vacuum_heap_page().

◆ SizeOfHeapVisible

#define SizeOfHeapVisible   (offsetof(xl_heap_visible, flags) + sizeof(uint8))

Definition at line 359 of file heapam_xlog.h.

Referenced by log_heap_visible().

◆ SizeOfMultiInsertTuple

#define SizeOfMultiInsertTuple   (offsetof(xl_multi_insert_tuple, t_hoff) + sizeof(uint8))

Definition at line 193 of file heapam_xlog.h.

Referenced by DecodeMultiInsert(), heap_multi_insert(), and heap_xlog_multi_insert().

◆ XLH_DELETE_ALL_VISIBLE_CLEARED

#define XLH_DELETE_ALL_VISIBLE_CLEARED   (1<<0)

Definition at line 96 of file heapam_xlog.h.

Referenced by heap_delete(), and heap_xlog_delete().

◆ XLH_DELETE_CONTAINS_OLD

#define XLH_DELETE_CONTAINS_OLD   (XLH_DELETE_CONTAINS_OLD_TUPLE | XLH_DELETE_CONTAINS_OLD_KEY)

Definition at line 103 of file heapam_xlog.h.

Referenced by DecodeDelete().

◆ XLH_DELETE_CONTAINS_OLD_KEY

#define XLH_DELETE_CONTAINS_OLD_KEY   (1<<2)

Definition at line 98 of file heapam_xlog.h.

Referenced by heap_delete().

◆ XLH_DELETE_CONTAINS_OLD_TUPLE

#define XLH_DELETE_CONTAINS_OLD_TUPLE   (1<<1)

Definition at line 97 of file heapam_xlog.h.

Referenced by heap_delete().

◆ XLH_DELETE_IS_PARTITION_MOVE

#define XLH_DELETE_IS_PARTITION_MOVE   (1<<4)

Definition at line 100 of file heapam_xlog.h.

Referenced by heap_delete(), and heap_xlog_delete().

◆ XLH_DELETE_IS_SUPER

#define XLH_DELETE_IS_SUPER   (1<<3)

Definition at line 99 of file heapam_xlog.h.

Referenced by DecodeDelete(), heap_abort_speculative(), and heap_xlog_delete().

◆ XLH_FREEZE_XVAC

#define XLH_FREEZE_XVAC   0x02

Definition at line 321 of file heapam_xlog.h.

Referenced by heap_execute_freeze_tuple(), and heap_prepare_freeze_tuple().

◆ XLH_INSERT_ALL_FROZEN_SET

#define XLH_INSERT_ALL_FROZEN_SET   (1<<5)

Definition at line 73 of file heapam_xlog.h.

Referenced by heap_multi_insert(), heap_xlog_insert(), and heap_xlog_multi_insert().

◆ XLH_INSERT_ALL_VISIBLE_CLEARED

#define XLH_INSERT_ALL_VISIBLE_CLEARED   (1<<0)

◆ XLH_INSERT_CONTAINS_NEW_TUPLE

#define XLH_INSERT_CONTAINS_NEW_TUPLE   (1<<3)

Definition at line 69 of file heapam_xlog.h.

Referenced by DecodeInsert(), DecodeMultiInsert(), heap_insert(), and heap_multi_insert().

◆ XLH_INSERT_IS_SPECULATIVE

#define XLH_INSERT_IS_SPECULATIVE   (1<<2)

Definition at line 68 of file heapam_xlog.h.

Referenced by DecodeInsert(), and heap_insert().

◆ XLH_INSERT_LAST_IN_MULTI

#define XLH_INSERT_LAST_IN_MULTI   (1<<1)

Definition at line 67 of file heapam_xlog.h.

Referenced by DecodeMultiInsert(), and heap_multi_insert().

◆ XLH_INSERT_ON_TOAST_RELATION

#define XLH_INSERT_ON_TOAST_RELATION   (1<<4)

Definition at line 70 of file heapam_xlog.h.

Referenced by DecodeInsert(), and heap_insert().

◆ XLH_INVALID_XVAC

#define XLH_INVALID_XVAC   0x04

Definition at line 322 of file heapam_xlog.h.

Referenced by heap_execute_freeze_tuple(), and heap_prepare_freeze_tuple().

◆ XLH_LOCK_ALL_FROZEN_CLEARED

#define XLH_LOCK_ALL_FROZEN_CLEARED   0x01

◆ XLH_TRUNCATE_CASCADE

#define XLH_TRUNCATE_CASCADE   (1<<0)

Definition at line 120 of file heapam_xlog.h.

Referenced by DecodeTruncate(), ExecuteTruncateGuts(), and heap_desc().

◆ XLH_TRUNCATE_RESTART_SEQS

#define XLH_TRUNCATE_RESTART_SEQS   (1<<1)

Definition at line 121 of file heapam_xlog.h.

Referenced by DecodeTruncate(), ExecuteTruncateGuts(), and heap_desc().

◆ XLH_UPDATE_CONTAINS_NEW_TUPLE

#define XLH_UPDATE_CONTAINS_NEW_TUPLE   (1<<4)

Definition at line 84 of file heapam_xlog.h.

Referenced by DecodeUpdate(), and log_heap_update().

◆ XLH_UPDATE_CONTAINS_OLD

#define XLH_UPDATE_CONTAINS_OLD   (XLH_UPDATE_CONTAINS_OLD_TUPLE | XLH_UPDATE_CONTAINS_OLD_KEY)

Definition at line 89 of file heapam_xlog.h.

Referenced by DecodeUpdate().

◆ XLH_UPDATE_CONTAINS_OLD_KEY

#define XLH_UPDATE_CONTAINS_OLD_KEY   (1<<3)

Definition at line 83 of file heapam_xlog.h.

Referenced by log_heap_update().

◆ XLH_UPDATE_CONTAINS_OLD_TUPLE

#define XLH_UPDATE_CONTAINS_OLD_TUPLE   (1<<2)

Definition at line 82 of file heapam_xlog.h.

Referenced by log_heap_update().

◆ XLH_UPDATE_NEW_ALL_VISIBLE_CLEARED

#define XLH_UPDATE_NEW_ALL_VISIBLE_CLEARED   (1<<1)

Definition at line 81 of file heapam_xlog.h.

Referenced by heap_xlog_update(), and log_heap_update().

◆ XLH_UPDATE_OLD_ALL_VISIBLE_CLEARED

#define XLH_UPDATE_OLD_ALL_VISIBLE_CLEARED   (1<<0)

Definition at line 79 of file heapam_xlog.h.

Referenced by heap_xlog_update(), and log_heap_update().

◆ XLH_UPDATE_PREFIX_FROM_OLD

#define XLH_UPDATE_PREFIX_FROM_OLD   (1<<5)

Definition at line 85 of file heapam_xlog.h.

Referenced by heap_xlog_update(), and log_heap_update().

◆ XLH_UPDATE_SUFFIX_FROM_OLD

#define XLH_UPDATE_SUFFIX_FROM_OLD   (1<<6)

Definition at line 86 of file heapam_xlog.h.

Referenced by heap_xlog_update(), and log_heap_update().

◆ XLHL_KEYS_UPDATED

#define XLHL_KEYS_UPDATED   0x10

Definition at line 272 of file heapam_xlog.h.

Referenced by compute_infobits(), fix_infomask_from_infobits(), and out_infobits().

◆ XLHL_XMAX_EXCL_LOCK

#define XLHL_XMAX_EXCL_LOCK   0x04

Definition at line 270 of file heapam_xlog.h.

Referenced by compute_infobits(), fix_infomask_from_infobits(), and out_infobits().

◆ XLHL_XMAX_IS_MULTI

#define XLHL_XMAX_IS_MULTI   0x01

Definition at line 268 of file heapam_xlog.h.

Referenced by compute_infobits(), fix_infomask_from_infobits(), and out_infobits().

◆ XLHL_XMAX_KEYSHR_LOCK

#define XLHL_XMAX_KEYSHR_LOCK   0x08

Definition at line 271 of file heapam_xlog.h.

Referenced by compute_infobits(), fix_infomask_from_infobits(), and out_infobits().

◆ XLHL_XMAX_LOCK_ONLY

#define XLHL_XMAX_LOCK_ONLY   0x02

Definition at line 269 of file heapam_xlog.h.

Referenced by compute_infobits(), fix_infomask_from_infobits(), and out_infobits().

◆ XLOG_HEAP2_FREEZE_PAGE

#define XLOG_HEAP2_FREEZE_PAGE   0x30

Definition at line 56 of file heapam_xlog.h.

Referenced by DecodeHeap2Op(), heap2_desc(), heap2_identify(), heap2_redo(), and log_heap_freeze().

◆ XLOG_HEAP2_LOCK_UPDATED

#define XLOG_HEAP2_LOCK_UPDATED   0x60

◆ XLOG_HEAP2_MULTI_INSERT

#define XLOG_HEAP2_MULTI_INSERT   0x50

◆ XLOG_HEAP2_NEW_CID

#define XLOG_HEAP2_NEW_CID   0x70

Definition at line 60 of file heapam_xlog.h.

Referenced by DecodeHeap2Op(), heap2_desc(), heap2_identify(), heap2_redo(), and log_heap_new_cid().

◆ XLOG_HEAP2_PRUNE

#define XLOG_HEAP2_PRUNE   0x10

Definition at line 54 of file heapam_xlog.h.

Referenced by DecodeHeap2Op(), heap2_desc(), heap2_identify(), heap2_redo(), and heap_page_prune().

◆ XLOG_HEAP2_REWRITE

#define XLOG_HEAP2_REWRITE   0x00

◆ XLOG_HEAP2_VACUUM

#define XLOG_HEAP2_VACUUM   0x20

◆ XLOG_HEAP2_VISIBLE

#define XLOG_HEAP2_VISIBLE   0x40

Definition at line 57 of file heapam_xlog.h.

Referenced by DecodeHeap2Op(), heap2_desc(), heap2_identify(), heap2_redo(), and log_heap_visible().

◆ XLOG_HEAP_CONFIRM

#define XLOG_HEAP_CONFIRM   0x50

◆ XLOG_HEAP_DELETE

#define XLOG_HEAP_DELETE   0x10

◆ XLOG_HEAP_HOT_UPDATE

#define XLOG_HEAP_HOT_UPDATE   0x40

Definition at line 36 of file heapam_xlog.h.

Referenced by DecodeHeapOp(), heap_desc(), heap_identify(), heap_redo(), and log_heap_update().

◆ XLOG_HEAP_INIT_PAGE

◆ XLOG_HEAP_INPLACE

#define XLOG_HEAP_INPLACE   0x70

Definition at line 39 of file heapam_xlog.h.

Referenced by DecodeHeapOp(), heap_desc(), heap_identify(), heap_inplace_update(), and heap_redo().

◆ XLOG_HEAP_INSERT

#define XLOG_HEAP_INSERT   0x00

Definition at line 32 of file heapam_xlog.h.

Referenced by DecodeHeapOp(), heap_desc(), heap_identify(), heap_insert(), and heap_redo().

◆ XLOG_HEAP_LOCK

#define XLOG_HEAP_LOCK   0x60

◆ XLOG_HEAP_OPMASK

#define XLOG_HEAP_OPMASK   0x70

Definition at line 41 of file heapam_xlog.h.

Referenced by DecodeHeap2Op(), DecodeHeapOp(), heap2_desc(), heap2_redo(), heap_desc(), and heap_redo().

◆ XLOG_HEAP_TRUNCATE

#define XLOG_HEAP_TRUNCATE   0x30

Definition at line 35 of file heapam_xlog.h.

Referenced by DecodeHeapOp(), ExecuteTruncateGuts(), heap_desc(), heap_identify(), and heap_redo().

◆ XLOG_HEAP_UPDATE

#define XLOG_HEAP_UPDATE   0x20

Definition at line 34 of file heapam_xlog.h.

Referenced by DecodeHeapOp(), heap_desc(), heap_identify(), heap_redo(), and log_heap_update().

Typedef Documentation

◆ xl_heap_confirm

◆ xl_heap_delete

◆ xl_heap_freeze_page

◆ xl_heap_freeze_tuple

◆ xl_heap_header

◆ xl_heap_inplace

◆ xl_heap_insert

◆ xl_heap_lock

typedef struct xl_heap_lock xl_heap_lock

◆ xl_heap_lock_updated

◆ xl_heap_multi_insert

◆ xl_heap_new_cid

◆ xl_heap_prune

typedef struct xl_heap_prune xl_heap_prune

◆ xl_heap_rewrite_mapping

◆ xl_heap_truncate

◆ xl_heap_update

◆ xl_heap_vacuum

◆ xl_heap_visible

◆ xl_multi_insert_tuple

Function Documentation

◆ heap2_desc()

void heap2_desc ( StringInfo  buf,
XLogReaderState record 
)

Definition at line 118 of file heapdesc.c.

References appendStringInfo(), xl_heap_new_cid::cmax, xl_heap_new_cid::cmin, xl_heap_new_cid::combocid, xl_heap_freeze_page::cutoff_xid, xl_heap_visible::cutoff_xid, RelFileNode::dbNode, xl_heap_multi_insert::flags, xl_heap_lock_updated::flags, xl_heap_visible::flags, xl_heap_lock_updated::infobits_set, ItemPointerGetBlockNumber, ItemPointerGetOffsetNumber, xl_heap_prune::latestRemovedXid, xl_heap_prune::ndead, xl_heap_prune::nredirected, xl_heap_multi_insert::ntuples, xl_heap_freeze_page::ntuples, xl_heap_vacuum::nunused, xl_heap_lock_updated::offnum, out_infobits(), RelFileNode::relNode, RelFileNode::spcNode, xl_heap_new_cid::target_node, xl_heap_new_cid::target_tid, XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_PRUNE, XLOG_HEAP2_VACUUM, XLOG_HEAP2_VISIBLE, XLOG_HEAP_OPMASK, XLogRecGetData, XLogRecGetInfo, XLR_INFO_MASK, and xl_heap_lock_updated::xmax.

119 {
120  char *rec = XLogRecGetData(record);
121  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
122 
123  info &= XLOG_HEAP_OPMASK;
124  if (info == XLOG_HEAP2_PRUNE)
125  {
126  xl_heap_prune *xlrec = (xl_heap_prune *) rec;
127 
128  appendStringInfo(buf, "latestRemovedXid %u nredirected %u ndead %u",
129  xlrec->latestRemovedXid,
130  xlrec->nredirected,
131  xlrec->ndead);
132  }
133  else if (info == XLOG_HEAP2_VACUUM)
134  {
135  xl_heap_vacuum *xlrec = (xl_heap_vacuum *) rec;
136 
137  appendStringInfo(buf, "nunused %u", xlrec->nunused);
138  }
139  else if (info == XLOG_HEAP2_FREEZE_PAGE)
140  {
141  xl_heap_freeze_page *xlrec = (xl_heap_freeze_page *) rec;
142 
143  appendStringInfo(buf, "cutoff xid %u ntuples %u",
144  xlrec->cutoff_xid, xlrec->ntuples);
145  }
146  else if (info == XLOG_HEAP2_VISIBLE)
147  {
148  xl_heap_visible *xlrec = (xl_heap_visible *) rec;
149 
150  appendStringInfo(buf, "cutoff xid %u flags 0x%02X",
151  xlrec->cutoff_xid, xlrec->flags);
152  }
153  else if (info == XLOG_HEAP2_MULTI_INSERT)
154  {
156 
157  appendStringInfo(buf, "%d tuples flags 0x%02X", xlrec->ntuples,
158  xlrec->flags);
159  }
160  else if (info == XLOG_HEAP2_LOCK_UPDATED)
161  {
163 
164  appendStringInfo(buf, "off %u: xmax %u: flags 0x%02X ",
165  xlrec->offnum, xlrec->xmax, xlrec->flags);
166  out_infobits(buf, xlrec->infobits_set);
167  }
168  else if (info == XLOG_HEAP2_NEW_CID)
169  {
170  xl_heap_new_cid *xlrec = (xl_heap_new_cid *) rec;
171 
172  appendStringInfo(buf, "rel %u/%u/%u; tid %u/%u",
173  xlrec->target_node.spcNode,
174  xlrec->target_node.dbNode,
175  xlrec->target_node.relNode,
178  appendStringInfo(buf, "; cmin: %u, cmax: %u, combo: %u",
179  xlrec->cmin, xlrec->cmax, xlrec->combocid);
180  }
181 }
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
CommandId combocid
Definition: heapam_xlog.h:370
TransactionId cutoff_xid
Definition: heapam_xlog.h:341
unsigned char uint8
Definition: c.h:439
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
CommandId cmax
Definition: heapam_xlog.h:369
ItemPointerData target_tid
Definition: heapam_xlog.h:376
#define XLOG_HEAP2_PRUNE
Definition: heapam_xlog.h:54
OffsetNumber offnum
Definition: heapam_xlog.h:292
#define XLOG_HEAP2_MULTI_INSERT
Definition: heapam_xlog.h:58
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
uint16 nredirected
Definition: heapam_xlog.h:246
#define XLogRecGetData(decoder)
Definition: xlogreader.h:310
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:91
TransactionId cutoff_xid
Definition: heapam_xlog.h:355
TransactionId latestRemovedXid
Definition: heapam_xlog.h:245
static void out_infobits(StringInfo buf, uint8 infobits)
Definition: heapdesc.c:20
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
TransactionId xmax
Definition: heapam_xlog.h:291
#define XLOG_HEAP2_VACUUM
Definition: heapam_xlog.h:55
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:305
RelFileNode target_node
Definition: heapam_xlog.h:375
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define ItemPointerGetOffsetNumber(pointer)
Definition: itemptr.h:117
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:56
CommandId cmin
Definition: heapam_xlog.h:368
#define ItemPointerGetBlockNumber(pointer)
Definition: itemptr.h:98

◆ heap2_identify()

const char* heap2_identify ( uint8  info)

Definition at line 229 of file heapdesc.c.

References XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_PRUNE, XLOG_HEAP2_REWRITE, XLOG_HEAP2_VACUUM, XLOG_HEAP2_VISIBLE, XLOG_HEAP_INIT_PAGE, and XLR_INFO_MASK.

230 {
231  const char *id = NULL;
232 
233  switch (info & ~XLR_INFO_MASK)
234  {
235  case XLOG_HEAP2_PRUNE:
236  id = "PRUNE";
237  break;
238  case XLOG_HEAP2_VACUUM:
239  id = "VACUUM";
240  break;
242  id = "FREEZE_PAGE";
243  break;
244  case XLOG_HEAP2_VISIBLE:
245  id = "VISIBLE";
246  break;
248  id = "MULTI_INSERT";
249  break;
251  id = "MULTI_INSERT+INIT";
252  break;
254  id = "LOCK_UPDATED";
255  break;
256  case XLOG_HEAP2_NEW_CID:
257  id = "NEW_CID";
258  break;
259  case XLOG_HEAP2_REWRITE:
260  id = "REWRITE";
261  break;
262  }
263 
264  return id;
265 }
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
#define XLOG_HEAP2_REWRITE
Definition: heapam_xlog.h:53
#define XLOG_HEAP2_PRUNE
Definition: heapam_xlog.h:54
#define XLOG_HEAP_INIT_PAGE
Definition: heapam_xlog.h:46
#define XLOG_HEAP2_MULTI_INSERT
Definition: heapam_xlog.h:58
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
#define XLOG_HEAP2_VACUUM
Definition: heapam_xlog.h:55
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:56

◆ heap2_redo()

void heap2_redo ( XLogReaderState record)

Definition at line 9654 of file heapam.c.

References elog, heap_xlog_freeze_page(), heap_xlog_lock_updated(), heap_xlog_logical_rewrite(), heap_xlog_multi_insert(), heap_xlog_prune(), heap_xlog_vacuum(), heap_xlog_visible(), PANIC, XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_PRUNE, XLOG_HEAP2_REWRITE, XLOG_HEAP2_VACUUM, XLOG_HEAP2_VISIBLE, XLOG_HEAP_OPMASK, XLogRecGetInfo, and XLR_INFO_MASK.

9655 {
9656  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
9657 
9658  switch (info & XLOG_HEAP_OPMASK)
9659  {
9660  case XLOG_HEAP2_PRUNE:
9661  heap_xlog_prune(record);
9662  break;
9663  case XLOG_HEAP2_VACUUM:
9664  heap_xlog_vacuum(record);
9665  break;
9667  heap_xlog_freeze_page(record);
9668  break;
9669  case XLOG_HEAP2_VISIBLE:
9670  heap_xlog_visible(record);
9671  break;
9673  heap_xlog_multi_insert(record);
9674  break;
9676  heap_xlog_lock_updated(record);
9677  break;
9678  case XLOG_HEAP2_NEW_CID:
9679 
9680  /*
9681  * Nothing to do on a real replay, only used during logical
9682  * decoding.
9683  */
9684  break;
9685  case XLOG_HEAP2_REWRITE:
9686  heap_xlog_logical_rewrite(record);
9687  break;
9688  default:
9689  elog(PANIC, "heap2_redo: unknown op code %u", info);
9690  }
9691 }
static void heap_xlog_prune(XLogReaderState *record)
Definition: heapam.c:8408
void heap_xlog_logical_rewrite(XLogReaderState *r)
Definition: rewriteheap.c:1110
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
#define XLOG_HEAP2_REWRITE
Definition: heapam_xlog.h:53
unsigned char uint8
Definition: c.h:439
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP2_PRUNE
Definition: heapam_xlog.h:54
#define PANIC
Definition: elog.h:50
#define XLOG_HEAP2_MULTI_INSERT
Definition: heapam_xlog.h:58
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
static void heap_xlog_lock_updated(XLogReaderState *record)
Definition: heapam.c:9507
static void heap_xlog_freeze_page(XLogReaderState *record)
Definition: heapam.c:8709
static void heap_xlog_vacuum(XLogReaderState *record)
Definition: heapam.c:8494
static void heap_xlog_multi_insert(XLogReaderState *record)
Definition: heapam.c:8981
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
#define XLOG_HEAP2_VACUUM
Definition: heapam_xlog.h:55
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:305
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:56
#define elog(elevel,...)
Definition: elog.h:232
static void heap_xlog_visible(XLogReaderState *record)
Definition: heapam.c:8569

◆ heap_desc()

void heap_desc ( StringInfo  buf,
XLogReaderState record 
)

Definition at line 35 of file heapdesc.c.

References appendStringInfo(), appendStringInfoString(), xl_heap_delete::flags, xl_heap_truncate::flags, xl_heap_insert::flags, xl_heap_update::flags, xl_heap_lock::flags, i, xl_heap_delete::infobits_set, xl_heap_lock::infobits_set, xl_heap_lock::locking_xid, xl_heap_update::new_offnum, xl_heap_update::new_xmax, xl_heap_truncate::nrelids, xl_heap_delete::offnum, xl_heap_insert::offnum, xl_heap_lock::offnum, xl_heap_confirm::offnum, xl_heap_inplace::offnum, xl_heap_update::old_infobits_set, xl_heap_update::old_offnum, xl_heap_update::old_xmax, out_infobits(), xl_heap_truncate::relids, XLH_TRUNCATE_CASCADE, XLH_TRUNCATE_RESTART_SEQS, 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, XLogRecGetData, XLogRecGetInfo, and XLR_INFO_MASK.

36 {
37  char *rec = XLogRecGetData(record);
38  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
39 
40  info &= XLOG_HEAP_OPMASK;
41  if (info == XLOG_HEAP_INSERT)
42  {
43  xl_heap_insert *xlrec = (xl_heap_insert *) rec;
44 
45  appendStringInfo(buf, "off %u flags 0x%02X", xlrec->offnum,
46  xlrec->flags);
47  }
48  else if (info == XLOG_HEAP_DELETE)
49  {
50  xl_heap_delete *xlrec = (xl_heap_delete *) rec;
51 
52  appendStringInfo(buf, "off %u flags 0x%02X ",
53  xlrec->offnum,
54  xlrec->flags);
55  out_infobits(buf, xlrec->infobits_set);
56  }
57  else if (info == XLOG_HEAP_UPDATE)
58  {
59  xl_heap_update *xlrec = (xl_heap_update *) rec;
60 
61  appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
62  xlrec->old_offnum,
63  xlrec->old_xmax,
64  xlrec->flags);
65  out_infobits(buf, xlrec->old_infobits_set);
66  appendStringInfo(buf, "; new off %u xmax %u",
67  xlrec->new_offnum,
68  xlrec->new_xmax);
69  }
70  else if (info == XLOG_HEAP_HOT_UPDATE)
71  {
72  xl_heap_update *xlrec = (xl_heap_update *) rec;
73 
74  appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
75  xlrec->old_offnum,
76  xlrec->old_xmax,
77  xlrec->flags);
78  out_infobits(buf, xlrec->old_infobits_set);
79  appendStringInfo(buf, "; new off %u xmax %u",
80  xlrec->new_offnum,
81  xlrec->new_xmax);
82  }
83  else if (info == XLOG_HEAP_TRUNCATE)
84  {
85  xl_heap_truncate *xlrec = (xl_heap_truncate *) rec;
86  int i;
87 
88  if (xlrec->flags & XLH_TRUNCATE_CASCADE)
89  appendStringInfoString(buf, "cascade ");
90  if (xlrec->flags & XLH_TRUNCATE_RESTART_SEQS)
91  appendStringInfoString(buf, "restart_seqs ");
92  appendStringInfo(buf, "nrelids %u relids", xlrec->nrelids);
93  for (i = 0; i < xlrec->nrelids; i++)
94  appendStringInfo(buf, " %u", xlrec->relids[i]);
95  }
96  else if (info == XLOG_HEAP_CONFIRM)
97  {
98  xl_heap_confirm *xlrec = (xl_heap_confirm *) rec;
99 
100  appendStringInfo(buf, "off %u", xlrec->offnum);
101  }
102  else if (info == XLOG_HEAP_LOCK)
103  {
104  xl_heap_lock *xlrec = (xl_heap_lock *) rec;
105 
106  appendStringInfo(buf, "off %u: xid %u: flags 0x%02X ",
107  xlrec->offnum, xlrec->locking_xid, xlrec->flags);
108  out_infobits(buf, xlrec->infobits_set);
109  }
110  else if (info == XLOG_HEAP_INPLACE)
111  {
112  xl_heap_inplace *xlrec = (xl_heap_inplace *) rec;
113 
114  appendStringInfo(buf, "off %u", xlrec->offnum);
115  }
116 }
#define XLH_TRUNCATE_CASCADE
Definition: heapam_xlog.h:120
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
uint8 old_infobits_set
Definition: heapam_xlog.h:216
OffsetNumber offnum
Definition: heapam_xlog.h:302
OffsetNumber offnum
Definition: heapam_xlog.h:281
TransactionId locking_xid
Definition: heapam_xlog.h:280
unsigned char uint8
Definition: c.h:439
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
OffsetNumber old_offnum
Definition: heapam_xlog.h:215
OffsetNumber offnum
Definition: heapam_xlog.h:110
Oid relids[FLEXIBLE_ARRAY_MEMBER]
Definition: heapam_xlog.h:133
#define XLogRecGetData(decoder)
Definition: xlogreader.h:310
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:91
TransactionId new_xmax
Definition: heapam_xlog.h:218
int8 infobits_set
Definition: heapam_xlog.h:282
void appendStringInfoString(StringInfo str, const char *s)
Definition: stringinfo.c:176
static void out_infobits(StringInfo buf, uint8 infobits)
Definition: heapdesc.c:20
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:305
OffsetNumber offnum
Definition: heapam_xlog.h:310
#define XLH_TRUNCATE_RESTART_SEQS
Definition: heapam_xlog.h:121
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
uint8 infobits_set
Definition: heapam_xlog.h:111
#define XLOG_HEAP_UPDATE
Definition: heapam_xlog.h:34
#define XLOG_HEAP_INPLACE
Definition: heapam_xlog.h:39
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
int i
OffsetNumber new_offnum
Definition: heapam_xlog.h:219
#define XLOG_HEAP_DELETE
Definition: heapam_xlog.h:33
OffsetNumber offnum
Definition: heapam_xlog.h:156
TransactionId old_xmax
Definition: heapam_xlog.h:214
#define XLOG_HEAP_CONFIRM
Definition: heapam_xlog.h:37

◆ heap_execute_freeze_tuple()

void heap_execute_freeze_tuple ( HeapTupleHeader  tuple,
xl_heap_freeze_tuple xlrec_tp 
)

Definition at line 6631 of file heapam.c.

References FrozenTransactionId, xl_heap_freeze_tuple::frzflags, HeapTupleHeaderSetXmax, HeapTupleHeaderSetXvac, InvalidTransactionId, HeapTupleHeaderData::t_infomask, xl_heap_freeze_tuple::t_infomask, HeapTupleHeaderData::t_infomask2, xl_heap_freeze_tuple::t_infomask2, XLH_FREEZE_XVAC, XLH_INVALID_XVAC, and xl_heap_freeze_tuple::xmax.

Referenced by heap_freeze_tuple(), heap_xlog_freeze_page(), and lazy_scan_prune().

6632 {
6633  HeapTupleHeaderSetXmax(tuple, frz->xmax);
6634 
6635  if (frz->frzflags & XLH_FREEZE_XVAC)
6637 
6638  if (frz->frzflags & XLH_INVALID_XVAC)
6640 
6641  tuple->t_infomask = frz->t_infomask;
6642  tuple->t_infomask2 = frz->t_infomask2;
6643 }
#define HeapTupleHeaderSetXvac(tup, xid)
Definition: htup_details.h:423
#define HeapTupleHeaderSetXmax(tup, xid)
Definition: htup_details.h:380
#define InvalidTransactionId
Definition: transam.h:31
#define FrozenTransactionId
Definition: transam.h:33
#define XLH_INVALID_XVAC
Definition: heapam_xlog.h:322
#define XLH_FREEZE_XVAC
Definition: heapam_xlog.h:321

◆ heap_identify()

const char* heap_identify ( uint8  info)

Definition at line 184 of file heapdesc.c.

References XLOG_HEAP_CONFIRM, XLOG_HEAP_DELETE, XLOG_HEAP_HOT_UPDATE, XLOG_HEAP_INIT_PAGE, XLOG_HEAP_INPLACE, XLOG_HEAP_INSERT, XLOG_HEAP_LOCK, XLOG_HEAP_TRUNCATE, XLOG_HEAP_UPDATE, and XLR_INFO_MASK.

185 {
186  const char *id = NULL;
187 
188  switch (info & ~XLR_INFO_MASK)
189  {
190  case XLOG_HEAP_INSERT:
191  id = "INSERT";
192  break;
194  id = "INSERT+INIT";
195  break;
196  case XLOG_HEAP_DELETE:
197  id = "DELETE";
198  break;
199  case XLOG_HEAP_UPDATE:
200  id = "UPDATE";
201  break;
203  id = "UPDATE+INIT";
204  break;
206  id = "HOT_UPDATE";
207  break;
209  id = "HOT_UPDATE+INIT";
210  break;
211  case XLOG_HEAP_TRUNCATE:
212  id = "TRUNCATE";
213  break;
214  case XLOG_HEAP_CONFIRM:
215  id = "HEAP_CONFIRM";
216  break;
217  case XLOG_HEAP_LOCK:
218  id = "LOCK";
219  break;
220  case XLOG_HEAP_INPLACE:
221  id = "INPLACE";
222  break;
223  }
224 
225  return id;
226 }
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
#define XLOG_HEAP_INIT_PAGE
Definition: heapam_xlog.h:46
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_HEAP_UPDATE
Definition: heapam_xlog.h:34
#define XLOG_HEAP_INPLACE
Definition: heapam_xlog.h:39
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
#define XLOG_HEAP_DELETE
Definition: heapam_xlog.h:33
#define XLOG_HEAP_CONFIRM
Definition: heapam_xlog.h:37

◆ heap_mask()

void heap_mask ( char *  pagedata,
BlockNumber  blkno 
)

Definition at line 9697 of file heapam.c.

References HEAP_XACT_MASK, HEAP_XMAX_COMMITTED, HEAP_XMAX_INVALID, HeapTupleHeaderIsSpeculative, HeapTupleHeaderXminFrozen, ItemIdGetLength, ItemIdGetOffset, ItemIdHasStorage, ItemIdIsNormal, ItemPointerSet, MASK_MARKER, mask_page_hint_bits(), mask_page_lsn_and_checksum(), mask_unused_space(), MAXALIGN, PageGetItemId, PageGetMaxOffsetNumber, and HeapTupleHeaderData::t_infomask.

9698 {
9699  Page page = (Page) pagedata;
9700  OffsetNumber off;
9701 
9703 
9704  mask_page_hint_bits(page);
9705  mask_unused_space(page);
9706 
9707  for (off = 1; off <= PageGetMaxOffsetNumber(page); off++)
9708  {
9709  ItemId iid = PageGetItemId(page, off);
9710  char *page_item;
9711 
9712  page_item = (char *) (page + ItemIdGetOffset(iid));
9713 
9714  if (ItemIdIsNormal(iid))
9715  {
9716  HeapTupleHeader page_htup = (HeapTupleHeader) page_item;
9717 
9718  /*
9719  * If xmin of a tuple is not yet frozen, we should ignore
9720  * differences in hint bits, since they can be set without
9721  * emitting WAL.
9722  */
9723  if (!HeapTupleHeaderXminFrozen(page_htup))
9724  page_htup->t_infomask &= ~HEAP_XACT_MASK;
9725  else
9726  {
9727  /* Still we need to mask xmax hint bits. */
9728  page_htup->t_infomask &= ~HEAP_XMAX_INVALID;
9729  page_htup->t_infomask &= ~HEAP_XMAX_COMMITTED;
9730  }
9731 
9732  /*
9733  * During replay, we set Command Id to FirstCommandId. Hence, mask
9734  * it. See heap_xlog_insert() for details.
9735  */
9736  page_htup->t_choice.t_heap.t_field3.t_cid = MASK_MARKER;
9737 
9738  /*
9739  * For a speculative tuple, heap_insert() does not set ctid in the
9740  * caller-passed heap tuple itself, leaving the ctid field to
9741  * contain a speculative token value - a per-backend monotonically
9742  * increasing identifier. Besides, it does not WAL-log ctid under
9743  * any circumstances.
9744  *
9745  * During redo, heap_xlog_insert() sets t_ctid to current block
9746  * number and self offset number. It doesn't care about any
9747  * speculative insertions on the primary. Hence, we set t_ctid to
9748  * current block number and self offset number to ignore any
9749  * inconsistency.
9750  */
9751  if (HeapTupleHeaderIsSpeculative(page_htup))
9752  ItemPointerSet(&page_htup->t_ctid, blkno, off);
9753 
9754  /*
9755  * NB: Not ignoring ctid changes due to the tuple having moved
9756  * (i.e. HeapTupleHeaderIndicatesMovedPartitions), because that's
9757  * important information that needs to be in-sync between primary
9758  * and standby, and thus is WAL logged.
9759  */
9760  }
9761 
9762  /*
9763  * Ignore any padding bytes after the tuple, when the length of the
9764  * item is not MAXALIGNed.
9765  */
9766  if (ItemIdHasStorage(iid))
9767  {
9768  int len = ItemIdGetLength(iid);
9769  int padlen = MAXALIGN(len) - len;
9770 
9771  if (padlen > 0)
9772  memset(page_item + len, MASK_MARKER, padlen);
9773  }
9774  }
9775 }
HeapTupleFields t_heap
Definition: htup_details.h:156
union HeapTupleFields::@42 t_field3
HeapTupleHeaderData * HeapTupleHeader
Definition: htup.h:23
#define HeapTupleHeaderIsSpeculative(tup)
Definition: htup_details.h:429
void mask_page_hint_bits(Page page)
Definition: bufmask.c:46
#define HEAP_XMAX_COMMITTED
Definition: htup_details.h:206
#define PageGetMaxOffsetNumber(page)
Definition: bufpage.h:357
union HeapTupleHeaderData::@43 t_choice
void mask_unused_space(Page page)
Definition: bufmask.c:71
uint16 OffsetNumber
Definition: off.h:24
#define ItemIdGetLength(itemId)
Definition: itemid.h:59
#define MASK_MARKER
Definition: bufmask.h:24
#define HEAP_XMAX_INVALID
Definition: htup_details.h:207
ItemPointerData t_ctid
Definition: htup_details.h:160
#define ItemIdGetOffset(itemId)
Definition: itemid.h:65
#define PageGetItemId(page, offsetNumber)
Definition: bufpage.h:235
void mask_page_lsn_and_checksum(Page page)
Definition: bufmask.c:31
#define HeapTupleHeaderXminFrozen(tup)
Definition: htup_details.h:335
#define ItemIdHasStorage(itemId)
Definition: itemid.h:120
#define ItemIdIsNormal(itemId)
Definition: itemid.h:99
#define MAXALIGN(LEN)
Definition: c.h:757
#define HEAP_XACT_MASK
Definition: htup_details.h:218
CommandId t_cid
Definition: htup_details.h:128
Pointer Page
Definition: bufpage.h:78
#define ItemPointerSet(pointer, blockNumber, offNum)
Definition: itemptr.h:127

◆ heap_prepare_freeze_tuple()

bool heap_prepare_freeze_tuple ( HeapTupleHeader  tuple,
TransactionId  relfrozenxid,
TransactionId  relminmxid,
TransactionId  cutoff_xid,
TransactionId  cutoff_multi,
xl_heap_freeze_tuple frz,
bool totally_frozen 
)

Definition at line 6402 of file heapam.c.

References Assert, ereport, errcode(), ERRCODE_DATA_CORRUPTED, errmsg_internal(), ERROR, FreezeMultiXactId(), FRM_INVALIDATE_XMAX, FRM_MARK_COMMITTED, FRM_RETURN_IS_MULTI, FRM_RETURN_IS_XID, xl_heap_freeze_tuple::frzflags, GetMultiXactIdHintBits(), HEAP_HOT_UPDATED, HEAP_KEYS_UPDATED, HEAP_MOVED, HEAP_MOVED_OFF, HEAP_XMAX_BITS, HEAP_XMAX_COMMITTED, HEAP_XMAX_INVALID, HEAP_XMAX_IS_LOCKED_ONLY, HEAP_XMAX_IS_MULTI, HEAP_XMIN_COMMITTED, HEAP_XMIN_FROZEN, HEAP_XMIN_INVALID, HeapTupleHeaderGetRawXmax, HeapTupleHeaderGetXmin, HeapTupleHeaderGetXvac, InvalidTransactionId, HeapTupleHeaderData::t_infomask, xl_heap_freeze_tuple::t_infomask, HeapTupleHeaderData::t_infomask2, xl_heap_freeze_tuple::t_infomask2, TransactionIdDidCommit(), TransactionIdIsNormal, TransactionIdIsValid, TransactionIdPrecedes(), XLH_FREEZE_XVAC, XLH_INVALID_XVAC, and xl_heap_freeze_tuple::xmax.

Referenced by heap_freeze_tuple(), and lazy_scan_prune().

6406 {
6407  bool changed = false;
6408  bool xmax_already_frozen = false;
6409  bool xmin_frozen;
6410  bool freeze_xmax;
6411  TransactionId xid;
6412 
6413  frz->frzflags = 0;
6414  frz->t_infomask2 = tuple->t_infomask2;
6415  frz->t_infomask = tuple->t_infomask;
6416  frz->xmax = HeapTupleHeaderGetRawXmax(tuple);
6417 
6418  /*
6419  * Process xmin. xmin_frozen has two slightly different meanings: in the
6420  * !XidIsNormal case, it means "the xmin doesn't need any freezing" (it's
6421  * already a permanent value), while in the block below it is set true to
6422  * mean "xmin won't need freezing after what we do to it here" (false
6423  * otherwise). In both cases we're allowed to set totally_frozen, as far
6424  * as xmin is concerned.
6425  */
6426  xid = HeapTupleHeaderGetXmin(tuple);
6427  if (!TransactionIdIsNormal(xid))
6428  xmin_frozen = true;
6429  else
6430  {
6431  if (TransactionIdPrecedes(xid, relfrozenxid))
6432  ereport(ERROR,
6434  errmsg_internal("found xmin %u from before relfrozenxid %u",
6435  xid, relfrozenxid)));
6436 
6437  xmin_frozen = TransactionIdPrecedes(xid, cutoff_xid);
6438  if (xmin_frozen)
6439  {
6440  if (!TransactionIdDidCommit(xid))
6441  ereport(ERROR,
6443  errmsg_internal("uncommitted xmin %u from before xid cutoff %u needs to be frozen",
6444  xid, cutoff_xid)));
6445 
6446  frz->t_infomask |= HEAP_XMIN_FROZEN;
6447  changed = true;
6448  }
6449  }
6450 
6451  /*
6452  * Process xmax. To thoroughly examine the current Xmax value we need to
6453  * resolve a MultiXactId to its member Xids, in case some of them are
6454  * below the given cutoff for Xids. In that case, those values might need
6455  * freezing, too. Also, if a multi needs freezing, we cannot simply take
6456  * it out --- if there's a live updater Xid, it needs to be kept.
6457  *
6458  * Make sure to keep heap_tuple_needs_freeze in sync with this.
6459  */
6460  xid = HeapTupleHeaderGetRawXmax(tuple);
6461 
6462  if (tuple->t_infomask & HEAP_XMAX_IS_MULTI)
6463  {
6464  TransactionId newxmax;
6465  uint16 flags;
6466 
6467  newxmax = FreezeMultiXactId(xid, tuple->t_infomask,
6468  relfrozenxid, relminmxid,
6469  cutoff_xid, cutoff_multi, &flags);
6470 
6471  freeze_xmax = (flags & FRM_INVALIDATE_XMAX);
6472 
6473  if (flags & FRM_RETURN_IS_XID)
6474  {
6475  /*
6476  * NB -- some of these transformations are only valid because we
6477  * know the return Xid is a tuple updater (i.e. not merely a
6478  * locker.) Also note that the only reason we don't explicitly
6479  * worry about HEAP_KEYS_UPDATED is because it lives in
6480  * t_infomask2 rather than t_infomask.
6481  */
6482  frz->t_infomask &= ~HEAP_XMAX_BITS;
6483  frz->xmax = newxmax;
6484  if (flags & FRM_MARK_COMMITTED)
6486  changed = true;
6487  }
6488  else if (flags & FRM_RETURN_IS_MULTI)
6489  {
6490  uint16 newbits;
6491  uint16 newbits2;
6492 
6493  /*
6494  * We can't use GetMultiXactIdHintBits directly on the new multi
6495  * here; that routine initializes the masks to all zeroes, which
6496  * would lose other bits we need. Doing it this way ensures all
6497  * unrelated bits remain untouched.
6498  */
6499  frz->t_infomask &= ~HEAP_XMAX_BITS;
6500  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6501  GetMultiXactIdHintBits(newxmax, &newbits, &newbits2);
6502  frz->t_infomask |= newbits;
6503  frz->t_infomask2 |= newbits2;
6504 
6505  frz->xmax = newxmax;
6506 
6507  changed = true;
6508  }
6509  }
6510  else if (TransactionIdIsNormal(xid))
6511  {
6512  if (TransactionIdPrecedes(xid, relfrozenxid))
6513  ereport(ERROR,
6515  errmsg_internal("found xmax %u from before relfrozenxid %u",
6516  xid, relfrozenxid)));
6517 
6518  if (TransactionIdPrecedes(xid, cutoff_xid))
6519  {
6520  /*
6521  * If we freeze xmax, make absolutely sure that it's not an XID
6522  * that is important. (Note, a lock-only xmax can be removed
6523  * independent of committedness, since a committed lock holder has
6524  * released the lock).
6525  */
6526  if (!HEAP_XMAX_IS_LOCKED_ONLY(tuple->t_infomask) &&
6528  ereport(ERROR,
6530  errmsg_internal("cannot freeze committed xmax %u",
6531  xid)));
6532  freeze_xmax = true;
6533  }
6534  else
6535  freeze_xmax = false;
6536  }
6537  else if ((tuple->t_infomask & HEAP_XMAX_INVALID) ||
6539  {
6540  freeze_xmax = false;
6541  xmax_already_frozen = true;
6542  }
6543  else
6544  ereport(ERROR,
6546  errmsg_internal("found xmax %u (infomask 0x%04x) not frozen, not multi, not normal",
6547  xid, tuple->t_infomask)));
6548 
6549  if (freeze_xmax)
6550  {
6551  Assert(!xmax_already_frozen);
6552 
6553  frz->xmax = InvalidTransactionId;
6554 
6555  /*
6556  * The tuple might be marked either XMAX_INVALID or XMAX_COMMITTED +
6557  * LOCKED. Normalize to INVALID just to be sure no one gets confused.
6558  * Also get rid of the HEAP_KEYS_UPDATED bit.
6559  */
6560  frz->t_infomask &= ~HEAP_XMAX_BITS;
6561  frz->t_infomask |= HEAP_XMAX_INVALID;
6562  frz->t_infomask2 &= ~HEAP_HOT_UPDATED;
6563  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6564  changed = true;
6565  }
6566 
6567  /*
6568  * Old-style VACUUM FULL is gone, but we have to keep this code as long as
6569  * we support having MOVED_OFF/MOVED_IN tuples in the database.
6570  */
6571  if (tuple->t_infomask & HEAP_MOVED)
6572  {
6573  xid = HeapTupleHeaderGetXvac(tuple);
6574 
6575  /*
6576  * For Xvac, we ignore the cutoff_xid and just always perform the
6577  * freeze operation. The oldest release in which such a value can
6578  * actually be set is PostgreSQL 8.4, because old-style VACUUM FULL
6579  * was removed in PostgreSQL 9.0. Note that if we were to respect
6580  * cutoff_xid here, we'd need to make surely to clear totally_frozen
6581  * when we skipped freezing on that basis.
6582  */
6583  if (TransactionIdIsNormal(xid))
6584  {
6585  /*
6586  * If a MOVED_OFF tuple is not dead, the xvac transaction must
6587  * have failed; whereas a non-dead MOVED_IN tuple must mean the
6588  * xvac transaction succeeded.
6589  */
6590  if (tuple->t_infomask & HEAP_MOVED_OFF)
6591  frz->frzflags |= XLH_INVALID_XVAC;
6592  else
6593  frz->frzflags |= XLH_FREEZE_XVAC;
6594 
6595  /*
6596  * Might as well fix the hint bits too; usually XMIN_COMMITTED
6597  * will already be set here, but there's a small chance not.
6598  */
6599  Assert(!(tuple->t_infomask & HEAP_XMIN_INVALID));
6601  changed = true;
6602  }
6603  }
6604 
6605  *totally_frozen_p = (xmin_frozen &&
6606  (freeze_xmax || xmax_already_frozen));
6607  return changed;
6608 }
#define FRM_RETURN_IS_XID
Definition: heapam.c:6076
static void GetMultiXactIdHintBits(MultiXactId multi, uint16 *new_infomask, uint16 *new_infomask2)
Definition: heapam.c:6683
#define FRM_MARK_COMMITTED
Definition: heapam.c:6078
#define HEAP_XMAX_BITS
Definition: htup_details.h:270
uint32 TransactionId
Definition: c.h:587
#define HEAP_XMIN_FROZEN
Definition: htup_details.h:205
int errcode(int sqlerrcode)
Definition: elog.c:698
#define HEAP_XMAX_COMMITTED
Definition: htup_details.h:206
bool TransactionIdDidCommit(TransactionId transactionId)
Definition: transam.c:125
#define HEAP_XMIN_INVALID
Definition: htup_details.h:204
#define HeapTupleHeaderGetRawXmax(tup)
Definition: htup_details.h:375
unsigned short uint16
Definition: c.h:440
#define ERROR
Definition: elog.h:46
#define HEAP_XMAX_INVALID
Definition: htup_details.h:207
#define FRM_INVALIDATE_XMAX
Definition: heapam.c:6075
#define InvalidTransactionId
Definition: transam.h:31
#define HeapTupleHeaderGetXvac(tup)
Definition: htup_details.h:415
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:300
#define ERRCODE_DATA_CORRUPTED
Definition: pg_basebackup.c:47
#define FRM_RETURN_IS_MULTI
Definition: heapam.c:6077
#define HEAP_XMAX_IS_LOCKED_ONLY(infomask)
Definition: htup_details.h:230
#define HEAP_KEYS_UPDATED
Definition: htup_details.h:278
#define HEAP_XMAX_IS_MULTI
Definition: htup_details.h:208
#define HEAP_XMIN_COMMITTED
Definition: htup_details.h:203
#define HEAP_MOVED
Definition: htup_details.h:216
#define ereport(elevel,...)
Definition: elog.h:157
int errmsg_internal(const char *fmt,...)
Definition: elog.c:996
#define HEAP_MOVED_OFF
Definition: htup_details.h:210
#define Assert(condition)
Definition: c.h:804
#define HeapTupleHeaderGetXmin(tup)
Definition: htup_details.h:313
TransactionId xmax
Definition: heapam_xlog.h:326
static TransactionId FreezeMultiXactId(MultiXactId multi, uint16 t_infomask, TransactionId relfrozenxid, TransactionId relminmxid, TransactionId cutoff_xid, MultiXactId cutoff_multi, uint16 *flags)
Definition: heapam.c:6102
#define HEAP_HOT_UPDATED
Definition: htup_details.h:280
#define XLH_INVALID_XVAC
Definition: heapam_xlog.h:322
#define TransactionIdIsValid(xid)
Definition: transam.h:41
#define TransactionIdIsNormal(xid)
Definition: transam.h:42
#define XLH_FREEZE_XVAC
Definition: heapam_xlog.h:321

◆ heap_redo()

void heap_redo ( XLogReaderState record)

Definition at line 9608 of file heapam.c.

References elog, heap_xlog_confirm(), heap_xlog_delete(), heap_xlog_inplace(), heap_xlog_insert(), heap_xlog_lock(), heap_xlog_update(), PANIC, 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 XLR_INFO_MASK.

9609 {
9610  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
9611 
9612  /*
9613  * These operations don't overwrite MVCC data so no conflict processing is
9614  * required. The ones in heap2 rmgr do.
9615  */
9616 
9617  switch (info & XLOG_HEAP_OPMASK)
9618  {
9619  case XLOG_HEAP_INSERT:
9620  heap_xlog_insert(record);
9621  break;
9622  case XLOG_HEAP_DELETE:
9623  heap_xlog_delete(record);
9624  break;
9625  case XLOG_HEAP_UPDATE:
9626  heap_xlog_update(record, false);
9627  break;
9628  case XLOG_HEAP_TRUNCATE:
9629 
9630  /*
9631  * TRUNCATE is a no-op because the actions are already logged as
9632  * SMGR WAL records. TRUNCATE WAL record only exists for logical
9633  * decoding.
9634  */
9635  break;
9636  case XLOG_HEAP_HOT_UPDATE:
9637  heap_xlog_update(record, true);
9638  break;
9639  case XLOG_HEAP_CONFIRM:
9640  heap_xlog_confirm(record);
9641  break;
9642  case XLOG_HEAP_LOCK:
9643  heap_xlog_lock(record);
9644  break;
9645  case XLOG_HEAP_INPLACE:
9646  heap_xlog_inplace(record);
9647  break;
9648  default:
9649  elog(PANIC, "heap_redo: unknown op code %u", info);
9650  }
9651 }
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
unsigned char uint8
Definition: c.h:439
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
#define PANIC
Definition: elog.h:50
static void heap_xlog_confirm(XLogReaderState *record)
Definition: heapam.c:9400
static void heap_xlog_lock(XLogReaderState *record)
Definition: heapam.c:9436
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:305
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
static void heap_xlog_insert(XLogReaderState *record)
Definition: heapam.c:8861
static void heap_xlog_inplace(XLogReaderState *record)
Definition: heapam.c:9567
static void heap_xlog_delete(XLogReaderState *record)
Definition: heapam.c:8788
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_HEAP_UPDATE
Definition: heapam_xlog.h:34
#define XLOG_HEAP_INPLACE
Definition: heapam_xlog.h:39
static void heap_xlog_update(XLogReaderState *record, bool hot_update)
Definition: heapam.c:9128
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
#define elog(elevel,...)
Definition: elog.h:232
#define XLOG_HEAP_DELETE
Definition: heapam_xlog.h:33
#define XLOG_HEAP_CONFIRM
Definition: heapam_xlog.h:37

◆ heap_xlog_logical_rewrite()

void heap_xlog_logical_rewrite ( XLogReaderState r)

Definition at line 1110 of file rewriteheap.c.

References CloseTransientFile(), data_sync_elevel(), ereport, errcode_for_file_access(), errmsg(), ERROR, fd(), ftruncate, LOGICAL_REWRITE_FORMAT, LSN_FORMAT_ARGS, xl_heap_rewrite_mapping::mapped_db, xl_heap_rewrite_mapping::mapped_rel, xl_heap_rewrite_mapping::mapped_xid, MAXPGPATH, xl_heap_rewrite_mapping::num_mappings, xl_heap_rewrite_mapping::offset, OpenTransientFile(), PG_BINARY, pg_fsync(), pg_pwrite(), pgstat_report_wait_end(), pgstat_report_wait_start(), snprintf, xl_heap_rewrite_mapping::start_lsn, WAIT_EVENT_LOGICAL_REWRITE_MAPPING_SYNC, WAIT_EVENT_LOGICAL_REWRITE_MAPPING_WRITE, WAIT_EVENT_LOGICAL_REWRITE_TRUNCATE, XLogRecGetData, and XLogRecGetXid.

Referenced by heap2_redo().

1111 {
1112  char path[MAXPGPATH];
1113  int fd;
1114  xl_heap_rewrite_mapping *xlrec;
1115  uint32 len;
1116  char *data;
1117 
1118  xlrec = (xl_heap_rewrite_mapping *) XLogRecGetData(r);
1119 
1120  snprintf(path, MAXPGPATH,
1121  "pg_logical/mappings/" LOGICAL_REWRITE_FORMAT,
1122  xlrec->mapped_db, xlrec->mapped_rel,
1123  LSN_FORMAT_ARGS(xlrec->start_lsn),
1124  xlrec->mapped_xid, XLogRecGetXid(r));
1125 
1126  fd = OpenTransientFile(path,
1127  O_CREAT | O_WRONLY | PG_BINARY);
1128  if (fd < 0)
1129  ereport(ERROR,
1131  errmsg("could not create file \"%s\": %m", path)));
1132 
1133  /*
1134  * Truncate all data that's not guaranteed to have been safely fsynced (by
1135  * previous record or by the last checkpoint).
1136  */
1138  if (ftruncate(fd, xlrec->offset) != 0)
1139  ereport(ERROR,
1141  errmsg("could not truncate file \"%s\" to %u: %m",
1142  path, (uint32) xlrec->offset)));
1144 
1145  data = XLogRecGetData(r) + sizeof(*xlrec);
1146 
1147  len = xlrec->num_mappings * sizeof(LogicalRewriteMappingData);
1148 
1149  /* write out tail end of mapping file (again) */
1150  errno = 0;
1152  if (pg_pwrite(fd, data, len, xlrec->offset) != len)
1153  {
1154  /* if write didn't set errno, assume problem is no disk space */
1155  if (errno == 0)
1156  errno = ENOSPC;
1157  ereport(ERROR,
1159  errmsg("could not write to file \"%s\": %m", path)));
1160  }
1162 
1163  /*
1164  * Now fsync all previously written data. We could improve things and only
1165  * do this for the last write to a file, but the required bookkeeping
1166  * doesn't seem worth the trouble.
1167  */
1169  if (pg_fsync(fd) != 0)
1172  errmsg("could not fsync file \"%s\": %m", path)));
1174 
1175  if (CloseTransientFile(fd) != 0)
1176  ereport(ERROR,
1178  errmsg("could not close file \"%s\": %m", path)));
1179 }
static void pgstat_report_wait_end(void)
Definition: wait_event.h:278
static int fd(const char *x, int i)
Definition: preproc-init.c:105
#define PG_BINARY
Definition: c.h:1271
ssize_t pg_pwrite(int fd, const void *buf, size_t nbyte, off_t offset)
Definition: pwrite.c:27
#define LSN_FORMAT_ARGS(lsn)
Definition: xlogdefs.h:43
#define XLogRecGetData(decoder)
Definition: xlogreader.h:310
#define ERROR
Definition: elog.h:46
int OpenTransientFile(const char *fileName, int fileFlags)
Definition: fd.c:2509
#define MAXPGPATH
int errcode_for_file_access(void)
Definition: elog.c:721
unsigned int uint32
Definition: c.h:441
static void pgstat_report_wait_start(uint32 wait_event_info)
Definition: wait_event.h:262
int CloseTransientFile(int fd)
Definition: fd.c:2686
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:307
int data_sync_elevel(int elevel)
Definition: fd.c:3805
#define ereport(elevel,...)
Definition: elog.h:157
TransactionId mapped_xid
Definition: heapam_xlog.h:384
#define LOGICAL_REWRITE_FORMAT
Definition: rewriteheap.h:54
int errmsg(const char *fmt,...)
Definition: elog.c:909
struct LogicalRewriteMappingData LogicalRewriteMappingData
int pg_fsync(int fd)
Definition: fd.c:357
#define snprintf
Definition: port.h:216
#define ftruncate(a, b)
Definition: win32_port.h:65

◆ HeapTupleHeaderAdvanceLatestRemovedXid()

void HeapTupleHeaderAdvanceLatestRemovedXid ( HeapTupleHeader  tuple,
TransactionId latestRemovedXid 
)

Definition at line 7179 of file heapam.c.

References HEAP_MOVED, HeapTupleHeaderGetUpdateXid, HeapTupleHeaderGetXmin, HeapTupleHeaderGetXvac, HeapTupleHeaderXminCommitted, HeapTupleHeaderXminInvalid, i, InvalidBlockNumber, ItemPointerGetBlockNumber, MAIN_FORKNUM, PrefetchBuffer(), HeapTupleHeaderData::t_infomask, TM_IndexDelete::tid, TransactionIdDidCommit(), TransactionIdFollows(), and TransactionIdPrecedes().

Referenced by heap_index_delete_tuples(), and heap_prune_chain().

7181 {
7182  TransactionId xmin = HeapTupleHeaderGetXmin(tuple);
7184  TransactionId xvac = HeapTupleHeaderGetXvac(tuple);
7185 
7186  if (tuple->t_infomask & HEAP_MOVED)
7187  {
7188  if (TransactionIdPrecedes(*latestRemovedXid, xvac))
7189  *latestRemovedXid = xvac;
7190  }
7191 
7192  /*
7193  * Ignore tuples inserted by an aborted transaction or if the tuple was
7194  * updated/deleted by the inserting transaction.
7195  *
7196  * Look for a committed hint bit, or if no xmin bit is set, check clog.
7197  */
7198  if (HeapTupleHeaderXminCommitted(tuple) ||
7200  {
7201  if (xmax != xmin &&
7202  TransactionIdFollows(xmax, *latestRemovedXid))
7203  *latestRemovedXid = xmax;
7204  }
7205 
7206  /* *latestRemovedXid may still be invalid at end */
7207 }
#define HeapTupleHeaderGetUpdateXid(tup)
Definition: htup_details.h:365
bool TransactionIdFollows(TransactionId id1, TransactionId id2)
Definition: transam.c:334
uint32 TransactionId
Definition: c.h:587
#define HeapTupleHeaderXminInvalid(tup)
Definition: htup_details.h:329
bool TransactionIdDidCommit(TransactionId transactionId)
Definition: transam.c:125
#define HeapTupleHeaderXminCommitted(tup)
Definition: htup_details.h:324
#define HeapTupleHeaderGetXvac(tup)
Definition: htup_details.h:415
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:300
#define HEAP_MOVED
Definition: htup_details.h:216
#define HeapTupleHeaderGetXmin(tup)
Definition: htup_details.h:313

◆ log_heap_freeze()

XLogRecPtr log_heap_freeze ( Relation  reln,
Buffer  buffer,
TransactionId  cutoff_xid,
xl_heap_freeze_tuple tuples,
int  ntuples 
)

Definition at line 7937 of file heapam.c.

References Assert, xl_heap_freeze_page::cutoff_xid, xl_heap_freeze_page::ntuples, REGBUF_STANDARD, RelationNeedsWAL, SizeOfHeapFreezePage, XLOG_HEAP2_FREEZE_PAGE, XLogBeginInsert(), XLogInsert(), XLogRegisterBufData(), XLogRegisterBuffer(), and XLogRegisterData().

Referenced by lazy_scan_prune().

7939 {
7940  xl_heap_freeze_page xlrec;
7941  XLogRecPtr recptr;
7942 
7943  /* Caller should not call me on a non-WAL-logged relation */
7944  Assert(RelationNeedsWAL(reln));
7945  /* nor when there are no tuples to freeze */
7946  Assert(ntuples > 0);
7947 
7948  xlrec.cutoff_xid = cutoff_xid;
7949  xlrec.ntuples = ntuples;
7950 
7951  XLogBeginInsert();
7952  XLogRegisterData((char *) &xlrec, SizeOfHeapFreezePage);
7953 
7954  /*
7955  * The freeze plan array is not actually in the buffer, but pretend that
7956  * it is. When XLogInsert stores the whole buffer, the freeze plan need
7957  * not be stored too.
7958  */
7959  XLogRegisterBuffer(0, buffer, REGBUF_STANDARD);
7960  XLogRegisterBufData(0, (char *) tuples,
7961  ntuples * sizeof(xl_heap_freeze_tuple));
7962 
7963  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_FREEZE_PAGE);
7964 
7965  return recptr;
7966 }
void XLogRegisterBufData(uint8 block_id, char *data, int len)
Definition: xloginsert.c:378
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:232
TransactionId cutoff_xid
Definition: heapam_xlog.h:341
#define SizeOfHeapFreezePage
Definition: heapam_xlog.h:345
#define REGBUF_STANDARD
Definition: xloginsert.h:35
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:340
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:434
uint64 XLogRecPtr
Definition: xlogdefs.h:21
#define Assert(condition)
Definition: c.h:804
#define RelationNeedsWAL(relation)
Definition: rel.h:601
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:56
void XLogBeginInsert(void)
Definition: xloginsert.c:135

◆ log_heap_visible()

XLogRecPtr log_heap_visible ( RelFileNode  rnode,
Buffer  heap_buffer,
Buffer  vm_buffer,
TransactionId  cutoff_xid,
uint8  flags 
)

Definition at line 7978 of file heapam.c.

References Assert, BufferIsValid, xl_heap_visible::cutoff_xid, xl_heap_visible::flags, REGBUF_NO_IMAGE, REGBUF_STANDARD, SizeOfHeapVisible, XLOG_HEAP2_VISIBLE, XLogBeginInsert(), XLogHintBitIsNeeded, XLogInsert(), XLogRegisterBuffer(), and XLogRegisterData().

Referenced by visibilitymap_set().

7980 {
7981  xl_heap_visible xlrec;
7982  XLogRecPtr recptr;
7983  uint8 flags;
7984 
7985  Assert(BufferIsValid(heap_buffer));
7986  Assert(BufferIsValid(vm_buffer));
7987 
7988  xlrec.cutoff_xid = cutoff_xid;
7989  xlrec.flags = vmflags;
7990  XLogBeginInsert();
7991  XLogRegisterData((char *) &xlrec, SizeOfHeapVisible);
7992 
7993  XLogRegisterBuffer(0, vm_buffer, 0);
7994 
7995  flags = REGBUF_STANDARD;
7996  if (!XLogHintBitIsNeeded())
7997  flags |= REGBUF_NO_IMAGE;
7998  XLogRegisterBuffer(1, heap_buffer, flags);
7999 
8000  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_VISIBLE);
8001 
8002  return recptr;
8003 }
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:232
unsigned char uint8
Definition: c.h:439
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
TransactionId cutoff_xid
Definition: heapam_xlog.h:355
#define REGBUF_STANDARD
Definition: xloginsert.h:35
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:340
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:434
#define SizeOfHeapVisible
Definition: heapam_xlog.h:359
uint64 XLogRecPtr
Definition: xlogdefs.h:21
#define Assert(condition)
Definition: c.h:804
#define REGBUF_NO_IMAGE
Definition: xloginsert.h:32
#define BufferIsValid(bufnum)
Definition: bufmgr.h:123
void XLogBeginInsert(void)
Definition: xloginsert.c:135
#define XLogHintBitIsNeeded()
Definition: xlog.h:177