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_clean
 
struct  xl_heap_cleanup_info
 
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_CLEAN   0x10
 
#define XLOG_HEAP2_FREEZE_PAGE   0x20
 
#define XLOG_HEAP2_CLEANUP_INFO   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_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 SizeOfHeapClean   (offsetof(xl_heap_clean, ndead) + sizeof(uint16))
 
#define SizeOfHeapCleanupInfo   (sizeof(xl_heap_cleanup_info))
 
#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_clean xl_heap_clean
 
typedef struct xl_heap_cleanup_info xl_heap_cleanup_info
 
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_cleanup_info (RelFileNode rnode, TransactionId latestRemovedXid)
 
XLogRecPtr log_heap_clean (Relation reln, Buffer buffer, OffsetNumber *redirected, int nredirected, OffsetNumber *nowdead, int ndead, OffsetNumber *nowunused, int nunused, TransactionId latestRemovedXid)
 
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

◆ SizeOfHeapClean

#define SizeOfHeapClean   (offsetof(xl_heap_clean, ndead) + sizeof(uint16))

Definition at line 246 of file heapam_xlog.h.

Referenced by log_heap_clean().

◆ SizeOfHeapCleanupInfo

#define SizeOfHeapCleanupInfo   (sizeof(xl_heap_cleanup_info))

Definition at line 259 of file heapam_xlog.h.

Referenced by log_heap_cleanup_info().

◆ SizeOfHeapConfirm

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

Definition at line 299 of file heapam_xlog.h.

Referenced by heap_finish_speculative().

◆ SizeOfHeapDelete

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

Definition at line 111 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 339 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 308 of file heapam_xlog.h.

Referenced by heap_inplace_update().

◆ SizeOfHeapInsert

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

Definition at line 160 of file heapam_xlog.h.

Referenced by heap_insert().

◆ SizeOfHeapLock

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

Definition at line 280 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 291 of file heapam_xlog.h.

Referenced by heap_lock_updated_tuple_rec().

◆ SizeOfHeapMultiInsert

#define SizeOfHeapMultiInsert   offsetof(xl_heap_multi_insert, offsets)

Definition at line 180 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 373 of file heapam_xlog.h.

Referenced by log_heap_new_cid().

◆ SizeOfHeapTruncate

#define SizeOfHeapTruncate   (offsetof(xl_heap_truncate, relids))

Definition at line 132 of file heapam_xlog.h.

Referenced by ExecuteTruncateGuts().

◆ SizeOfHeapUpdate

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

Definition at line 225 of file heapam_xlog.h.

Referenced by DecodeUpdate(), and log_heap_update().

◆ SizeOfHeapVisible

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

Definition at line 353 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 191 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 92 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 99 of file heapam_xlog.h.

Referenced by DecodeDelete().

◆ XLH_DELETE_CONTAINS_OLD_KEY

#define XLH_DELETE_CONTAINS_OLD_KEY   (1<<2)

Definition at line 94 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 93 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 96 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 95 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 315 of file heapam_xlog.h.

Referenced by heap_execute_freeze_tuple(), and heap_prepare_freeze_tuple().

◆ 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_INVALID_XVAC

#define XLH_INVALID_XVAC   0x04

Definition at line 316 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 116 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 117 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 80 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 85 of file heapam_xlog.h.

Referenced by DecodeUpdate().

◆ XLH_UPDATE_CONTAINS_OLD_KEY

#define XLH_UPDATE_CONTAINS_OLD_KEY   (1<<3)

Definition at line 79 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 78 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 77 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 75 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 81 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 82 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 266 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 264 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 262 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 265 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 263 of file heapam_xlog.h.

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

◆ XLOG_HEAP2_CLEAN

#define XLOG_HEAP2_CLEAN   0x10

Definition at line 54 of file heapam_xlog.h.

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

◆ XLOG_HEAP2_CLEANUP_INFO

#define XLOG_HEAP2_CLEANUP_INFO   0x30

◆ XLOG_HEAP2_FREEZE_PAGE

#define XLOG_HEAP2_FREEZE_PAGE   0x20

Definition at line 55 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_REWRITE

#define XLOG_HEAP2_REWRITE   0x00

◆ 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_clean

typedef struct xl_heap_clean xl_heap_clean

◆ xl_heap_cleanup_info

◆ 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_rewrite_mapping

◆ xl_heap_truncate

◆ xl_heap_update

◆ 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_clean::latestRemovedXid, xl_heap_cleanup_info::latestRemovedXid, xl_heap_multi_insert::ntuples, xl_heap_freeze_page::ntuples, 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_CLEAN, XLOG_HEAP2_CLEANUP_INFO, XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, 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_CLEAN)
125  {
126  xl_heap_clean *xlrec = (xl_heap_clean *) rec;
127 
128  appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
129  }
130  else if (info == XLOG_HEAP2_FREEZE_PAGE)
131  {
132  xl_heap_freeze_page *xlrec = (xl_heap_freeze_page *) rec;
133 
134  appendStringInfo(buf, "cutoff xid %u ntuples %u",
135  xlrec->cutoff_xid, xlrec->ntuples);
136  }
137  else if (info == XLOG_HEAP2_CLEANUP_INFO)
138  {
140 
141  appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
142  }
143  else if (info == XLOG_HEAP2_VISIBLE)
144  {
145  xl_heap_visible *xlrec = (xl_heap_visible *) rec;
146 
147  appendStringInfo(buf, "cutoff xid %u flags 0x%02X",
148  xlrec->cutoff_xid, xlrec->flags);
149  }
150  else if (info == XLOG_HEAP2_MULTI_INSERT)
151  {
153 
154  appendStringInfo(buf, "%d tuples flags 0x%02X", xlrec->ntuples,
155  xlrec->flags);
156  }
157  else if (info == XLOG_HEAP2_LOCK_UPDATED)
158  {
160 
161  appendStringInfo(buf, "off %u: xmax %u: flags 0x%02X ",
162  xlrec->offnum, xlrec->xmax, xlrec->flags);
163  out_infobits(buf, xlrec->infobits_set);
164  }
165  else if (info == XLOG_HEAP2_NEW_CID)
166  {
167  xl_heap_new_cid *xlrec = (xl_heap_new_cid *) rec;
168 
169  appendStringInfo(buf, "rel %u/%u/%u; tid %u/%u",
170  xlrec->target_node.spcNode,
171  xlrec->target_node.dbNode,
172  xlrec->target_node.relNode,
175  appendStringInfo(buf, "; cmin: %u, cmax: %u, combo: %u",
176  xlrec->cmin, xlrec->cmax, xlrec->combocid);
177  }
178 }
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
CommandId combocid
Definition: heapam_xlog.h:364
TransactionId cutoff_xid
Definition: heapam_xlog.h:335
unsigned char uint8
Definition: c.h:357
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
CommandId cmax
Definition: heapam_xlog.h:363
ItemPointerData target_tid
Definition: heapam_xlog.h:370
OffsetNumber offnum
Definition: heapam_xlog.h:286
#define XLOG_HEAP2_MULTI_INSERT
Definition: heapam_xlog.h:58
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
#define XLogRecGetData(decoder)
Definition: xlogreader.h:283
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:91
TransactionId cutoff_xid
Definition: heapam_xlog.h:349
#define XLOG_HEAP2_CLEAN
Definition: heapam_xlog.h:54
#define XLOG_HEAP2_CLEANUP_INFO
Definition: heapam_xlog.h:56
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:285
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:279
RelFileNode target_node
Definition: heapam_xlog.h:369
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define ItemPointerGetOffsetNumber(pointer)
Definition: itemptr.h:117
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55
TransactionId latestRemovedXid
Definition: heapam_xlog.h:240
CommandId cmin
Definition: heapam_xlog.h:362
#define ItemPointerGetBlockNumber(pointer)
Definition: itemptr.h:98
TransactionId latestRemovedXid
Definition: heapam_xlog.h:256

◆ heap2_identify()

const char* heap2_identify ( uint8  info)

Definition at line 226 of file heapdesc.c.

References 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_INIT_PAGE, and XLR_INFO_MASK.

227 {
228  const char *id = NULL;
229 
230  switch (info & ~XLR_INFO_MASK)
231  {
232  case XLOG_HEAP2_CLEAN:
233  id = "CLEAN";
234  break;
236  id = "FREEZE_PAGE";
237  break;
239  id = "CLEANUP_INFO";
240  break;
241  case XLOG_HEAP2_VISIBLE:
242  id = "VISIBLE";
243  break;
245  id = "MULTI_INSERT";
246  break;
248  id = "MULTI_INSERT+INIT";
249  break;
251  id = "LOCK_UPDATED";
252  break;
253  case XLOG_HEAP2_NEW_CID:
254  id = "NEW_CID";
255  break;
256  case XLOG_HEAP2_REWRITE:
257  id = "REWRITE";
258  break;
259  }
260 
261  return id;
262 }
#define XLOG_HEAP2_LOCK_UPDATED
Definition: heapam_xlog.h:59
#define XLOG_HEAP2_REWRITE
Definition: heapam_xlog.h:53
#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_CLEAN
Definition: heapam_xlog.h:54
#define XLOG_HEAP2_CLEANUP_INFO
Definition: heapam_xlog.h:56
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55

◆ heap2_redo()

void heap2_redo ( XLogReaderState record)

Definition at line 8884 of file heapam.c.

References elog, heap_xlog_clean(), heap_xlog_cleanup_info(), heap_xlog_freeze_page(), heap_xlog_lock_updated(), heap_xlog_logical_rewrite(), heap_xlog_multi_insert(), heap_xlog_visible(), PANIC, 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, XLogRecGetInfo, and XLR_INFO_MASK.

8885 {
8886  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
8887 
8888  switch (info & XLOG_HEAP_OPMASK)
8889  {
8890  case XLOG_HEAP2_CLEAN:
8891  heap_xlog_clean(record);
8892  break;
8894  heap_xlog_freeze_page(record);
8895  break;
8897  heap_xlog_cleanup_info(record);
8898  break;
8899  case XLOG_HEAP2_VISIBLE:
8900  heap_xlog_visible(record);
8901  break;
8903  heap_xlog_multi_insert(record);
8904  break;
8906  heap_xlog_lock_updated(record);
8907  break;
8908  case XLOG_HEAP2_NEW_CID:
8909 
8910  /*
8911  * Nothing to do on a real replay, only used during logical
8912  * decoding.
8913  */
8914  break;
8915  case XLOG_HEAP2_REWRITE:
8916  heap_xlog_logical_rewrite(record);
8917  break;
8918  default:
8919  elog(PANIC, "heap2_redo: unknown op code %u", info);
8920  }
8921 }
void heap_xlog_logical_rewrite(XLogReaderState *r)
Definition: rewriteheap.c:1123
#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:357
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define PANIC
Definition: elog.h:53
#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:8737
static void heap_xlog_freeze_page(XLogReaderState *record)
Definition: heapam.c:7951
#define XLOG_HEAP2_CLEAN
Definition: heapam_xlog.h:54
#define XLOG_HEAP2_CLEANUP_INFO
Definition: heapam_xlog.h:56
static void heap_xlog_multi_insert(XLogReaderState *record)
Definition: heapam.c:8219
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:279
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
static void heap_xlog_cleanup_info(XLogReaderState *record)
Definition: heapam.c:7697
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55
#define elog(elevel,...)
Definition: elog.h:228
static void heap_xlog_visible(XLogReaderState *record)
Definition: heapam.c:7811
static void heap_xlog_clean(XLogReaderState *record)
Definition: heapam.c:7718

◆ 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:116
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
uint8 old_infobits_set
Definition: heapam_xlog.h:214
OffsetNumber offnum
Definition: heapam_xlog.h:296
OffsetNumber offnum
Definition: heapam_xlog.h:275
TransactionId locking_xid
Definition: heapam_xlog.h:274
unsigned char uint8
Definition: c.h:357
#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:213
OffsetNumber offnum
Definition: heapam_xlog.h:106
Oid relids[FLEXIBLE_ARRAY_MEMBER]
Definition: heapam_xlog.h:129
#define XLogRecGetData(decoder)
Definition: xlogreader.h:283
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:91
TransactionId new_xmax
Definition: heapam_xlog.h:216
int8 infobits_set
Definition: heapam_xlog.h:276
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:279
OffsetNumber offnum
Definition: heapam_xlog.h:304
#define XLH_TRUNCATE_RESTART_SEQS
Definition: heapam_xlog.h:117
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
uint8 infobits_set
Definition: heapam_xlog.h:107
#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:217
#define XLOG_HEAP_DELETE
Definition: heapam_xlog.h:33
OffsetNumber offnum
Definition: heapam_xlog.h:154
TransactionId old_xmax
Definition: heapam_xlog.h:212
#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 6347 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_heap().

6348 {
6349  HeapTupleHeaderSetXmax(tuple, frz->xmax);
6350 
6351  if (frz->frzflags & XLH_FREEZE_XVAC)
6353 
6354  if (frz->frzflags & XLH_INVALID_XVAC)
6356 
6357  tuple->t_infomask = frz->t_infomask;
6358  tuple->t_infomask2 = frz->t_infomask2;
6359 }
#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:316
#define XLH_FREEZE_XVAC
Definition: heapam_xlog.h:315

◆ heap_identify()

const char* heap_identify ( uint8  info)

Definition at line 181 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.

182 {
183  const char *id = NULL;
184 
185  switch (info & ~XLR_INFO_MASK)
186  {
187  case XLOG_HEAP_INSERT:
188  id = "INSERT";
189  break;
191  id = "INSERT+INIT";
192  break;
193  case XLOG_HEAP_DELETE:
194  id = "DELETE";
195  break;
196  case XLOG_HEAP_UPDATE:
197  id = "UPDATE";
198  break;
200  id = "UPDATE+INIT";
201  break;
203  id = "HOT_UPDATE";
204  break;
206  id = "HOT_UPDATE+INIT";
207  break;
208  case XLOG_HEAP_TRUNCATE:
209  id = "TRUNCATE";
210  break;
211  case XLOG_HEAP_CONFIRM:
212  id = "HEAP_CONFIRM";
213  break;
214  case XLOG_HEAP_LOCK:
215  id = "LOCK";
216  break;
217  case XLOG_HEAP_INPLACE:
218  id = "INPLACE";
219  break;
220  }
221 
222  return id;
223 }
#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 8967 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.

8968 {
8969  Page page = (Page) pagedata;
8970  OffsetNumber off;
8971 
8973 
8974  mask_page_hint_bits(page);
8975  mask_unused_space(page);
8976 
8977  for (off = 1; off <= PageGetMaxOffsetNumber(page); off++)
8978  {
8979  ItemId iid = PageGetItemId(page, off);
8980  char *page_item;
8981 
8982  page_item = (char *) (page + ItemIdGetOffset(iid));
8983 
8984  if (ItemIdIsNormal(iid))
8985  {
8986  HeapTupleHeader page_htup = (HeapTupleHeader) page_item;
8987 
8988  /*
8989  * If xmin of a tuple is not yet frozen, we should ignore
8990  * differences in hint bits, since they can be set without
8991  * emitting WAL.
8992  */
8993  if (!HeapTupleHeaderXminFrozen(page_htup))
8994  page_htup->t_infomask &= ~HEAP_XACT_MASK;
8995  else
8996  {
8997  /* Still we need to mask xmax hint bits. */
8998  page_htup->t_infomask &= ~HEAP_XMAX_INVALID;
8999  page_htup->t_infomask &= ~HEAP_XMAX_COMMITTED;
9000  }
9001 
9002  /*
9003  * During replay, we set Command Id to FirstCommandId. Hence, mask
9004  * it. See heap_xlog_insert() for details.
9005  */
9006  page_htup->t_choice.t_heap.t_field3.t_cid = MASK_MARKER;
9007 
9008  /*
9009  * For a speculative tuple, heap_insert() does not set ctid in the
9010  * caller-passed heap tuple itself, leaving the ctid field to
9011  * contain a speculative token value - a per-backend monotonically
9012  * increasing identifier. Besides, it does not WAL-log ctid under
9013  * any circumstances.
9014  *
9015  * During redo, heap_xlog_insert() sets t_ctid to current block
9016  * number and self offset number. It doesn't care about any
9017  * speculative insertions in master. Hence, we set t_ctid to
9018  * current block number and self offset number to ignore any
9019  * inconsistency.
9020  */
9021  if (HeapTupleHeaderIsSpeculative(page_htup))
9022  ItemPointerSet(&page_htup->t_ctid, blkno, off);
9023 
9024  /*
9025  * NB: Not ignoring ctid changes due to the tuple having moved
9026  * (i.e. HeapTupleHeaderIndicatesMovedPartitions), because that's
9027  * important information that needs to be in-sync between primary
9028  * and standby, and thus is WAL logged.
9029  */
9030  }
9031 
9032  /*
9033  * Ignore any padding bytes after the tuple, when the length of the
9034  * item is not MAXALIGNed.
9035  */
9036  if (ItemIdHasStorage(iid))
9037  {
9038  int len = ItemIdGetLength(iid);
9039  int padlen = MAXALIGN(len) - len;
9040 
9041  if (padlen > 0)
9042  memset(page_item + len, MASK_MARKER, padlen);
9043  }
9044  }
9045 }
union HeapTupleHeaderData::@45 t_choice
HeapTupleFields t_heap
Definition: htup_details.h:156
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
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
union HeapTupleFields::@44 t_field3
#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:692
#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 6118 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_heap().

6122 {
6123  bool changed = false;
6124  bool xmax_already_frozen = false;
6125  bool xmin_frozen;
6126  bool freeze_xmax;
6127  TransactionId xid;
6128 
6129  frz->frzflags = 0;
6130  frz->t_infomask2 = tuple->t_infomask2;
6131  frz->t_infomask = tuple->t_infomask;
6132  frz->xmax = HeapTupleHeaderGetRawXmax(tuple);
6133 
6134  /*
6135  * Process xmin. xmin_frozen has two slightly different meanings: in the
6136  * !XidIsNormal case, it means "the xmin doesn't need any freezing" (it's
6137  * already a permanent value), while in the block below it is set true to
6138  * mean "xmin won't need freezing after what we do to it here" (false
6139  * otherwise). In both cases we're allowed to set totally_frozen, as far
6140  * as xmin is concerned.
6141  */
6142  xid = HeapTupleHeaderGetXmin(tuple);
6143  if (!TransactionIdIsNormal(xid))
6144  xmin_frozen = true;
6145  else
6146  {
6148  ereport(ERROR,
6150  errmsg_internal("found xmin %u from before relfrozenxid %u",
6151  xid, relfrozenxid)));
6152 
6153  xmin_frozen = TransactionIdPrecedes(xid, cutoff_xid);
6154  if (xmin_frozen)
6155  {
6156  if (!TransactionIdDidCommit(xid))
6157  ereport(ERROR,
6159  errmsg_internal("uncommitted xmin %u from before xid cutoff %u needs to be frozen",
6160  xid, cutoff_xid)));
6161 
6162  frz->t_infomask |= HEAP_XMIN_FROZEN;
6163  changed = true;
6164  }
6165  }
6166 
6167  /*
6168  * Process xmax. To thoroughly examine the current Xmax value we need to
6169  * resolve a MultiXactId to its member Xids, in case some of them are
6170  * below the given cutoff for Xids. In that case, those values might need
6171  * freezing, too. Also, if a multi needs freezing, we cannot simply take
6172  * it out --- if there's a live updater Xid, it needs to be kept.
6173  *
6174  * Make sure to keep heap_tuple_needs_freeze in sync with this.
6175  */
6176  xid = HeapTupleHeaderGetRawXmax(tuple);
6177 
6178  if (tuple->t_infomask & HEAP_XMAX_IS_MULTI)
6179  {
6180  TransactionId newxmax;
6181  uint16 flags;
6182 
6183  newxmax = FreezeMultiXactId(xid, tuple->t_infomask,
6185  cutoff_xid, cutoff_multi, &flags);
6186 
6187  freeze_xmax = (flags & FRM_INVALIDATE_XMAX);
6188 
6189  if (flags & FRM_RETURN_IS_XID)
6190  {
6191  /*
6192  * NB -- some of these transformations are only valid because we
6193  * know the return Xid is a tuple updater (i.e. not merely a
6194  * locker.) Also note that the only reason we don't explicitly
6195  * worry about HEAP_KEYS_UPDATED is because it lives in
6196  * t_infomask2 rather than t_infomask.
6197  */
6198  frz->t_infomask &= ~HEAP_XMAX_BITS;
6199  frz->xmax = newxmax;
6200  if (flags & FRM_MARK_COMMITTED)
6202  changed = true;
6203  }
6204  else if (flags & FRM_RETURN_IS_MULTI)
6205  {
6206  uint16 newbits;
6207  uint16 newbits2;
6208 
6209  /*
6210  * We can't use GetMultiXactIdHintBits directly on the new multi
6211  * here; that routine initializes the masks to all zeroes, which
6212  * would lose other bits we need. Doing it this way ensures all
6213  * unrelated bits remain untouched.
6214  */
6215  frz->t_infomask &= ~HEAP_XMAX_BITS;
6216  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6217  GetMultiXactIdHintBits(newxmax, &newbits, &newbits2);
6218  frz->t_infomask |= newbits;
6219  frz->t_infomask2 |= newbits2;
6220 
6221  frz->xmax = newxmax;
6222 
6223  changed = true;
6224  }
6225  }
6226  else if (TransactionIdIsNormal(xid))
6227  {
6229  ereport(ERROR,
6231  errmsg_internal("found xmax %u from before relfrozenxid %u",
6232  xid, relfrozenxid)));
6233 
6234  if (TransactionIdPrecedes(xid, cutoff_xid))
6235  {
6236  /*
6237  * If we freeze xmax, make absolutely sure that it's not an XID
6238  * that is important. (Note, a lock-only xmax can be removed
6239  * independent of committedness, since a committed lock holder has
6240  * released the lock).
6241  */
6242  if (!HEAP_XMAX_IS_LOCKED_ONLY(tuple->t_infomask) &&
6244  ereport(ERROR,
6246  errmsg_internal("cannot freeze committed xmax %u",
6247  xid)));
6248  freeze_xmax = true;
6249  }
6250  else
6251  freeze_xmax = false;
6252  }
6253  else if ((tuple->t_infomask & HEAP_XMAX_INVALID) ||
6255  {
6256  freeze_xmax = false;
6257  xmax_already_frozen = true;
6258  }
6259  else
6260  ereport(ERROR,
6262  errmsg_internal("found xmax %u (infomask 0x%04x) not frozen, not multi, not normal",
6263  xid, tuple->t_infomask)));
6264 
6265  if (freeze_xmax)
6266  {
6267  Assert(!xmax_already_frozen);
6268 
6269  frz->xmax = InvalidTransactionId;
6270 
6271  /*
6272  * The tuple might be marked either XMAX_INVALID or XMAX_COMMITTED +
6273  * LOCKED. Normalize to INVALID just to be sure no one gets confused.
6274  * Also get rid of the HEAP_KEYS_UPDATED bit.
6275  */
6276  frz->t_infomask &= ~HEAP_XMAX_BITS;
6277  frz->t_infomask |= HEAP_XMAX_INVALID;
6278  frz->t_infomask2 &= ~HEAP_HOT_UPDATED;
6279  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6280  changed = true;
6281  }
6282 
6283  /*
6284  * Old-style VACUUM FULL is gone, but we have to keep this code as long as
6285  * we support having MOVED_OFF/MOVED_IN tuples in the database.
6286  */
6287  if (tuple->t_infomask & HEAP_MOVED)
6288  {
6289  xid = HeapTupleHeaderGetXvac(tuple);
6290 
6291  /*
6292  * For Xvac, we ignore the cutoff_xid and just always perform the
6293  * freeze operation. The oldest release in which such a value can
6294  * actually be set is PostgreSQL 8.4, because old-style VACUUM FULL
6295  * was removed in PostgreSQL 9.0. Note that if we were to respect
6296  * cutoff_xid here, we'd need to make surely to clear totally_frozen
6297  * when we skipped freezing on that basis.
6298  */
6299  if (TransactionIdIsNormal(xid))
6300  {
6301  /*
6302  * If a MOVED_OFF tuple is not dead, the xvac transaction must
6303  * have failed; whereas a non-dead MOVED_IN tuple must mean the
6304  * xvac transaction succeeded.
6305  */
6306  if (tuple->t_infomask & HEAP_MOVED_OFF)
6307  frz->frzflags |= XLH_INVALID_XVAC;
6308  else
6309  frz->frzflags |= XLH_FREEZE_XVAC;
6310 
6311  /*
6312  * Might as well fix the hint bits too; usually XMIN_COMMITTED
6313  * will already be set here, but there's a small chance not.
6314  */
6315  Assert(!(tuple->t_infomask & HEAP_XMIN_INVALID));
6317  changed = true;
6318  }
6319  }
6320 
6321  *totally_frozen_p = (xmin_frozen &&
6322  (freeze_xmax || xmax_already_frozen));
6323  return changed;
6324 }
#define FRM_RETURN_IS_XID
Definition: heapam.c:5792
static void GetMultiXactIdHintBits(MultiXactId multi, uint16 *new_infomask, uint16 *new_infomask2)
Definition: heapam.c:6399
#define FRM_MARK_COMMITTED
Definition: heapam.c:5794
#define HEAP_XMAX_BITS
Definition: htup_details.h:270
uint32 TransactionId
Definition: c.h:514
#define HEAP_XMIN_FROZEN
Definition: htup_details.h:205
int errcode(int sqlerrcode)
Definition: elog.c:608
#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:358
#define ERROR
Definition: elog.h:43
#define HEAP_XMAX_INVALID
Definition: htup_details.h:207
#define FRM_INVALIDATE_XMAX
Definition: heapam.c:5791
#define InvalidTransactionId
Definition: transam.h:31
#define HeapTupleHeaderGetXvac(tup)
Definition: htup_details.h:415
#define ereport(elevel, rest)
Definition: elog.h:141
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:300
#define ERRCODE_DATA_CORRUPTED
Definition: pg_basebackup.c:45
#define FRM_RETURN_IS_MULTI
Definition: heapam.c:5793
#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
TransactionId relminmxid
Definition: pg_class.h:126
int errmsg_internal(const char *fmt,...)
Definition: elog.c:909
#define HEAP_MOVED_OFF
Definition: htup_details.h:210
#define Assert(condition)
Definition: c.h:739
#define HeapTupleHeaderGetXmin(tup)
Definition: htup_details.h:313
TransactionId xmax
Definition: heapam_xlog.h:320
TransactionId relfrozenxid
Definition: pg_class.h:123
static TransactionId FreezeMultiXactId(MultiXactId multi, uint16 t_infomask, TransactionId relfrozenxid, TransactionId relminmxid, TransactionId cutoff_xid, MultiXactId cutoff_multi, uint16 *flags)
Definition: heapam.c:5818
#define HEAP_HOT_UPDATED
Definition: htup_details.h:280
#define XLH_INVALID_XVAC
Definition: heapam_xlog.h:316
#define TransactionIdIsValid(xid)
Definition: transam.h:41
#define TransactionIdIsNormal(xid)
Definition: transam.h:42
#define XLH_FREEZE_XVAC
Definition: heapam_xlog.h:315

◆ heap_redo()

void heap_redo ( XLogReaderState record)

Definition at line 8838 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.

8839 {
8840  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
8841 
8842  /*
8843  * These operations don't overwrite MVCC data so no conflict processing is
8844  * required. The ones in heap2 rmgr do.
8845  */
8846 
8847  switch (info & XLOG_HEAP_OPMASK)
8848  {
8849  case XLOG_HEAP_INSERT:
8850  heap_xlog_insert(record);
8851  break;
8852  case XLOG_HEAP_DELETE:
8853  heap_xlog_delete(record);
8854  break;
8855  case XLOG_HEAP_UPDATE:
8856  heap_xlog_update(record, false);
8857  break;
8858  case XLOG_HEAP_TRUNCATE:
8859 
8860  /*
8861  * TRUNCATE is a no-op because the actions are already logged as
8862  * SMGR WAL records. TRUNCATE WAL record only exists for logical
8863  * decoding.
8864  */
8865  break;
8866  case XLOG_HEAP_HOT_UPDATE:
8867  heap_xlog_update(record, true);
8868  break;
8869  case XLOG_HEAP_CONFIRM:
8870  heap_xlog_confirm(record);
8871  break;
8872  case XLOG_HEAP_LOCK:
8873  heap_xlog_lock(record);
8874  break;
8875  case XLOG_HEAP_INPLACE:
8876  heap_xlog_inplace(record);
8877  break;
8878  default:
8879  elog(PANIC, "heap_redo: unknown op code %u", info);
8880  }
8881 }
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
unsigned char uint8
Definition: c.h:357
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
#define PANIC
Definition: elog.h:53
static void heap_xlog_confirm(XLogReaderState *record)
Definition: heapam.c:8630
static void heap_xlog_lock(XLogReaderState *record)
Definition: heapam.c:8666
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:279
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
static void heap_xlog_insert(XLogReaderState *record)
Definition: heapam.c:8103
static void heap_xlog_inplace(XLogReaderState *record)
Definition: heapam.c:8797
static void heap_xlog_delete(XLogReaderState *record)
Definition: heapam.c:8030
#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:8358
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
#define elog(elevel,...)
Definition: elog.h:228
#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 1123 of file rewriteheap.c.

References CloseTransientFile(), data_sync_elevel(), ereport, errcode_for_file_access(), errmsg(), ERROR, fd(), ftruncate, LOGICAL_REWRITE_FORMAT, 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(), 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, write, XLogRecGetData, and XLogRecGetXid.

Referenced by heap2_redo().

1124 {
1125  char path[MAXPGPATH];
1126  int fd;
1127  xl_heap_rewrite_mapping *xlrec;
1128  uint32 len;
1129  char *data;
1130 
1131  xlrec = (xl_heap_rewrite_mapping *) XLogRecGetData(r);
1132 
1133  snprintf(path, MAXPGPATH,
1134  "pg_logical/mappings/" LOGICAL_REWRITE_FORMAT,
1135  xlrec->mapped_db, xlrec->mapped_rel,
1136  (uint32) (xlrec->start_lsn >> 32),
1137  (uint32) xlrec->start_lsn,
1138  xlrec->mapped_xid, XLogRecGetXid(r));
1139 
1140  fd = OpenTransientFile(path,
1141  O_CREAT | O_WRONLY | PG_BINARY);
1142  if (fd < 0)
1143  ereport(ERROR,
1145  errmsg("could not create file \"%s\": %m", path)));
1146 
1147  /*
1148  * Truncate all data that's not guaranteed to have been safely fsynced (by
1149  * previous record or by the last checkpoint).
1150  */
1152  if (ftruncate(fd, xlrec->offset) != 0)
1153  ereport(ERROR,
1155  errmsg("could not truncate file \"%s\" to %u: %m",
1156  path, (uint32) xlrec->offset)));
1158 
1159  /* now seek to the position we want to write our data to */
1160  if (lseek(fd, xlrec->offset, SEEK_SET) != xlrec->offset)
1161  ereport(ERROR,
1163  errmsg("could not seek to end of file \"%s\": %m",
1164  path)));
1165 
1166  data = XLogRecGetData(r) + sizeof(*xlrec);
1167 
1168  len = xlrec->num_mappings * sizeof(LogicalRewriteMappingData);
1169 
1170  /* write out tail end of mapping file (again) */
1171  errno = 0;
1173  if (write(fd, data, len) != len)
1174  {
1175  /* if write didn't set errno, assume problem is no disk space */
1176  if (errno == 0)
1177  errno = ENOSPC;
1178  ereport(ERROR,
1180  errmsg("could not write to file \"%s\": %m", path)));
1181  }
1183 
1184  /*
1185  * Now fsync all previously written data. We could improve things and only
1186  * do this for the last write to a file, but the required bookkeeping
1187  * doesn't seem worth the trouble.
1188  */
1190  if (pg_fsync(fd) != 0)
1193  errmsg("could not fsync file \"%s\": %m", path)));
1195 
1196  if (CloseTransientFile(fd) != 0)
1197  ereport(ERROR,
1199  errmsg("could not close file \"%s\": %m", path)));
1200 }
#define write(a, b, c)
Definition: win32.h:14
static int fd(const char *x, int i)
Definition: preproc-init.c:105
#define PG_BINARY
Definition: c.h:1222
#define XLogRecGetData(decoder)
Definition: xlogreader.h:283
#define ERROR
Definition: elog.h:43
int OpenTransientFile(const char *fileName, int fileFlags)
Definition: fd.c:2292
#define MAXPGPATH
int errcode_for_file_access(void)
Definition: elog.c:631
unsigned int uint32
Definition: c.h:359
static void pgstat_report_wait_end(void)
Definition: pgstat.h:1342
#define ereport(elevel, rest)
Definition: elog.h:141
int CloseTransientFile(int fd)
Definition: fd.c:2469
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:281
int data_sync_elevel(int elevel)
Definition: fd.c:3519
TransactionId mapped_xid
Definition: heapam_xlog.h:378
static void pgstat_report_wait_start(uint32 wait_event_info)
Definition: pgstat.h:1318
#define LOGICAL_REWRITE_FORMAT
Definition: rewriteheap.h:54
int errmsg(const char *fmt,...)
Definition: elog.c:822
struct LogicalRewriteMappingData LogicalRewriteMappingData
int pg_fsync(int fd)
Definition: fd.c:330
#define snprintf
Definition: port.h:192
#define ftruncate(a, b)
Definition: win32_port.h:60

◆ HeapTupleHeaderAdvanceLatestRemovedXid()

void HeapTupleHeaderAdvanceLatestRemovedXid ( HeapTupleHeader  tuple,
TransactionId latestRemovedXid 
)

Definition at line 6895 of file heapam.c.

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

Referenced by heap_compute_xid_horizon_for_tuples(), heap_prune_chain(), and lazy_scan_heap().

6897 {
6898  TransactionId xmin = HeapTupleHeaderGetXmin(tuple);
6900  TransactionId xvac = HeapTupleHeaderGetXvac(tuple);
6901 
6902  if (tuple->t_infomask & HEAP_MOVED)
6903  {
6904  if (TransactionIdPrecedes(*latestRemovedXid, xvac))
6905  *latestRemovedXid = xvac;
6906  }
6907 
6908  /*
6909  * Ignore tuples inserted by an aborted transaction or if the tuple was
6910  * updated/deleted by the inserting transaction.
6911  *
6912  * Look for a committed hint bit, or if no xmin bit is set, check clog.
6913  * This needs to work on both master and standby, where it is used to
6914  * assess btree delete records.
6915  */
6916  if (HeapTupleHeaderXminCommitted(tuple) ||
6918  {
6919  if (xmax != xmin &&
6920  TransactionIdFollows(xmax, *latestRemovedXid))
6921  *latestRemovedXid = xmax;
6922  }
6923 
6924  /* *latestRemovedXid may still be invalid at end */
6925 }
#define HeapTupleHeaderGetUpdateXid(tup)
Definition: htup_details.h:365
bool TransactionIdFollows(TransactionId id1, TransactionId id2)
Definition: transam.c:334
uint32 TransactionId
Definition: c.h:514
#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_clean()

XLogRecPtr log_heap_clean ( Relation  reln,
Buffer  buffer,
OffsetNumber redirected,
int  nredirected,
OffsetNumber nowdead,
int  ndead,
OffsetNumber nowunused,
int  nunused,
TransactionId  latestRemovedXid 
)

Definition at line 7177 of file heapam.c.

References Assert, xl_heap_clean::latestRemovedXid, xl_heap_clean::ndead, xl_heap_clean::nredirected, REGBUF_STANDARD, RelationNeedsWAL, SizeOfHeapClean, XLOG_HEAP2_CLEAN, XLogBeginInsert(), XLogInsert(), XLogRegisterBufData(), XLogRegisterBuffer(), and XLogRegisterData().

Referenced by heap_page_prune(), and lazy_vacuum_page().

7182 {
7183  xl_heap_clean xlrec;
7184  XLogRecPtr recptr;
7185 
7186  /* Caller should not call me on a non-WAL-logged relation */
7187  Assert(RelationNeedsWAL(reln));
7188 
7189  xlrec.latestRemovedXid = latestRemovedXid;
7190  xlrec.nredirected = nredirected;
7191  xlrec.ndead = ndead;
7192 
7193  XLogBeginInsert();
7194  XLogRegisterData((char *) &xlrec, SizeOfHeapClean);
7195 
7196  XLogRegisterBuffer(0, buffer, REGBUF_STANDARD);
7197 
7198  /*
7199  * The OffsetNumber arrays are not actually in the buffer, but we pretend
7200  * that they are. When XLogInsert stores the whole buffer, the offset
7201  * arrays need not be stored too. Note that even if all three arrays are
7202  * empty, we want to expose the buffer as a candidate for whole-page
7203  * storage, since this record type implies a defragmentation operation
7204  * even if no line pointers changed state.
7205  */
7206  if (nredirected > 0)
7207  XLogRegisterBufData(0, (char *) redirected,
7208  nredirected * sizeof(OffsetNumber) * 2);
7209 
7210  if (ndead > 0)
7211  XLogRegisterBufData(0, (char *) nowdead,
7212  ndead * sizeof(OffsetNumber));
7213 
7214  if (nunused > 0)
7215  XLogRegisterBufData(0, (char *) nowunused,
7216  nunused * sizeof(OffsetNumber));
7217 
7218  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_CLEAN);
7219 
7220  return recptr;
7221 }
void XLogRegisterBufData(uint8 block_id, char *data, int len)
Definition: xloginsert.c:361
uint16 nredirected
Definition: heapam_xlog.h:241
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:213
uint16 OffsetNumber
Definition: off.h:24
#define SizeOfHeapClean
Definition: heapam_xlog.h:246
#define XLOG_HEAP2_CLEAN
Definition: heapam_xlog.h:54
#define REGBUF_STANDARD
Definition: xloginsert.h:35
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:323
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:415
uint64 XLogRecPtr
Definition: xlogdefs.h:21
#define Assert(condition)
Definition: c.h:739
#define RelationNeedsWAL(relation)
Definition: rel.h:524
TransactionId latestRemovedXid
Definition: heapam_xlog.h:240
void XLogBeginInsert(void)
Definition: xloginsert.c:120

◆ log_heap_cleanup_info()

XLogRecPtr log_heap_cleanup_info ( RelFileNode  rnode,
TransactionId  latestRemovedXid 
)

Definition at line 7148 of file heapam.c.

References xl_heap_cleanup_info::latestRemovedXid, xl_heap_cleanup_info::node, SizeOfHeapCleanupInfo, XLOG_HEAP2_CLEANUP_INFO, XLogBeginInsert(), XLogInsert(), and XLogRegisterData().

Referenced by vacuum_log_cleanup_info().

7149 {
7150  xl_heap_cleanup_info xlrec;
7151  XLogRecPtr recptr;
7152 
7153  xlrec.node = rnode;
7154  xlrec.latestRemovedXid = latestRemovedXid;
7155 
7156  XLogBeginInsert();
7157  XLogRegisterData((char *) &xlrec, SizeOfHeapCleanupInfo);
7158 
7159  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_CLEANUP_INFO);
7160 
7161  return recptr;
7162 }
#define SizeOfHeapCleanupInfo
Definition: heapam_xlog.h:259
#define XLOG_HEAP2_CLEANUP_INFO
Definition: heapam_xlog.h:56
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:323
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:415
uint64 XLogRecPtr
Definition: xlogdefs.h:21
void XLogBeginInsert(void)
Definition: xloginsert.c:120
TransactionId latestRemovedXid
Definition: heapam_xlog.h:256

◆ log_heap_freeze()

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

Definition at line 7228 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_heap().

7230 {
7231  xl_heap_freeze_page xlrec;
7232  XLogRecPtr recptr;
7233 
7234  /* Caller should not call me on a non-WAL-logged relation */
7235  Assert(RelationNeedsWAL(reln));
7236  /* nor when there are no tuples to freeze */
7237  Assert(ntuples > 0);
7238 
7239  xlrec.cutoff_xid = cutoff_xid;
7240  xlrec.ntuples = ntuples;
7241 
7242  XLogBeginInsert();
7243  XLogRegisterData((char *) &xlrec, SizeOfHeapFreezePage);
7244 
7245  /*
7246  * The freeze plan array is not actually in the buffer, but pretend that
7247  * it is. When XLogInsert stores the whole buffer, the freeze plan need
7248  * not be stored too.
7249  */
7250  XLogRegisterBuffer(0, buffer, REGBUF_STANDARD);
7251  XLogRegisterBufData(0, (char *) tuples,
7252  ntuples * sizeof(xl_heap_freeze_tuple));
7253 
7254  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_FREEZE_PAGE);
7255 
7256  return recptr;
7257 }
void XLogRegisterBufData(uint8 block_id, char *data, int len)
Definition: xloginsert.c:361
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:213
TransactionId cutoff_xid
Definition: heapam_xlog.h:335
#define SizeOfHeapFreezePage
Definition: heapam_xlog.h:339
#define REGBUF_STANDARD
Definition: xloginsert.h:35
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:323
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:415
uint64 XLogRecPtr
Definition: xlogdefs.h:21
#define Assert(condition)
Definition: c.h:739
#define RelationNeedsWAL(relation)
Definition: rel.h:524
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55
void XLogBeginInsert(void)
Definition: xloginsert.c:120

◆ log_heap_visible()

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

Definition at line 7269 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().

7271 {
7272  xl_heap_visible xlrec;
7273  XLogRecPtr recptr;
7274  uint8 flags;
7275 
7276  Assert(BufferIsValid(heap_buffer));
7277  Assert(BufferIsValid(vm_buffer));
7278 
7279  xlrec.cutoff_xid = cutoff_xid;
7280  xlrec.flags = vmflags;
7281  XLogBeginInsert();
7282  XLogRegisterData((char *) &xlrec, SizeOfHeapVisible);
7283 
7284  XLogRegisterBuffer(0, vm_buffer, 0);
7285 
7286  flags = REGBUF_STANDARD;
7287  if (!XLogHintBitIsNeeded())
7288  flags |= REGBUF_NO_IMAGE;
7289  XLogRegisterBuffer(1, heap_buffer, flags);
7290 
7291  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_VISIBLE);
7292 
7293  return recptr;
7294 }
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:213
unsigned char uint8
Definition: c.h:357
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
TransactionId cutoff_xid
Definition: heapam_xlog.h:349
#define REGBUF_STANDARD
Definition: xloginsert.h:35
void XLogRegisterData(char *data, int len)
Definition: xloginsert.c:323
XLogRecPtr XLogInsert(RmgrId rmid, uint8 info)
Definition: xloginsert.c:415
#define SizeOfHeapVisible
Definition: heapam_xlog.h:353
uint64 XLogRecPtr
Definition: xlogdefs.h:21
#define Assert(condition)
Definition: c.h:739
#define REGBUF_NO_IMAGE
Definition: xloginsert.h:32
#define BufferIsValid(bufnum)
Definition: bufmgr.h:113
void XLogBeginInsert(void)
Definition: xloginsert.c:120
#define XLogHintBitIsNeeded()
Definition: xlog.h:192