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

◆ 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

◆ 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 113 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_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.

114 {
115  char *rec = XLogRecGetData(record);
116  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
117 
118  info &= XLOG_HEAP_OPMASK;
119  if (info == XLOG_HEAP2_CLEAN)
120  {
121  xl_heap_clean *xlrec = (xl_heap_clean *) rec;
122 
123  appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
124  }
125  else if (info == XLOG_HEAP2_FREEZE_PAGE)
126  {
127  xl_heap_freeze_page *xlrec = (xl_heap_freeze_page *) rec;
128 
129  appendStringInfo(buf, "cutoff xid %u ntuples %u",
130  xlrec->cutoff_xid, xlrec->ntuples);
131  }
132  else if (info == XLOG_HEAP2_CLEANUP_INFO)
133  {
135 
136  appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
137  }
138  else if (info == XLOG_HEAP2_VISIBLE)
139  {
140  xl_heap_visible *xlrec = (xl_heap_visible *) rec;
141 
142  appendStringInfo(buf, "cutoff xid %u flags %d",
143  xlrec->cutoff_xid, xlrec->flags);
144  }
145  else if (info == XLOG_HEAP2_MULTI_INSERT)
146  {
148 
149  appendStringInfo(buf, "%d tuples", xlrec->ntuples);
150  }
151  else if (info == XLOG_HEAP2_LOCK_UPDATED)
152  {
154 
155  appendStringInfo(buf, "off %u: xmax %u: flags %u ",
156  xlrec->offnum, xlrec->xmax, xlrec->flags);
157  out_infobits(buf, xlrec->infobits_set);
158  }
159  else if (info == XLOG_HEAP2_NEW_CID)
160  {
161  xl_heap_new_cid *xlrec = (xl_heap_new_cid *) rec;
162 
163  appendStringInfo(buf, "rel %u/%u/%u; tid %u/%u",
164  xlrec->target_node.spcNode,
165  xlrec->target_node.dbNode,
166  xlrec->target_node.relNode,
169  appendStringInfo(buf, "; cmin: %u, cmax: %u, combo: %u",
170  xlrec->cmin, xlrec->cmax, xlrec->combocid);
171  }
172 }
#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:323
#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:230
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:78
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:226
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 220 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.

221 {
222  const char *id = NULL;
223 
224  switch (info & ~XLR_INFO_MASK)
225  {
226  case XLOG_HEAP2_CLEAN:
227  id = "CLEAN";
228  break;
230  id = "FREEZE_PAGE";
231  break;
233  id = "CLEANUP_INFO";
234  break;
235  case XLOG_HEAP2_VISIBLE:
236  id = "VISIBLE";
237  break;
239  id = "MULTI_INSERT";
240  break;
242  id = "MULTI_INSERT+INIT";
243  break;
245  id = "LOCK_UPDATED";
246  break;
247  case XLOG_HEAP2_NEW_CID:
248  id = "NEW_CID";
249  break;
250  case XLOG_HEAP2_REWRITE:
251  id = "REWRITE";
252  break;
253  }
254 
255  return id;
256 }
#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 9316 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.

9317 {
9318  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
9319 
9320  switch (info & XLOG_HEAP_OPMASK)
9321  {
9322  case XLOG_HEAP2_CLEAN:
9323  heap_xlog_clean(record);
9324  break;
9326  heap_xlog_freeze_page(record);
9327  break;
9329  heap_xlog_cleanup_info(record);
9330  break;
9331  case XLOG_HEAP2_VISIBLE:
9332  heap_xlog_visible(record);
9333  break;
9335  heap_xlog_multi_insert(record);
9336  break;
9338  heap_xlog_lock_updated(record);
9339  break;
9340  case XLOG_HEAP2_NEW_CID:
9341 
9342  /*
9343  * Nothing to do on a real replay, only used during logical
9344  * decoding.
9345  */
9346  break;
9347  case XLOG_HEAP2_REWRITE:
9348  heap_xlog_logical_rewrite(record);
9349  break;
9350  default:
9351  elog(PANIC, "heap2_redo: unknown op code %u", info);
9352  }
9353 }
void heap_xlog_logical_rewrite(XLogReaderState *r)
Definition: rewriteheap.c:1121
#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:323
#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:9169
static void heap_xlog_freeze_page(XLogReaderState *record)
Definition: heapam.c:8383
#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:8651
#define XLOG_HEAP2_NEW_CID
Definition: heapam_xlog.h:60
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLR_INFO_MASK
Definition: xlogrecord.h:62
static void heap_xlog_cleanup_info(XLogReaderState *record)
Definition: heapam.c:8157
#define XLOG_HEAP2_FREEZE_PAGE
Definition: heapam_xlog.h:55
static void heap_xlog_visible(XLogReaderState *record)
Definition: heapam.c:8268
#define elog
Definition: elog.h:219
static void heap_xlog_clean(XLogReaderState *record)
Definition: heapam.c:8178

◆ heap_desc()

void heap_desc ( StringInfo  buf,
XLogReaderState record 
)

Definition at line 35 of file heapdesc.c.

References appendStringInfo(), xl_heap_truncate::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", xlrec->offnum);
46  }
47  else if (info == XLOG_HEAP_DELETE)
48  {
49  xl_heap_delete *xlrec = (xl_heap_delete *) rec;
50 
51  appendStringInfo(buf, "off %u ", xlrec->offnum);
52  out_infobits(buf, xlrec->infobits_set);
53  }
54  else if (info == XLOG_HEAP_UPDATE)
55  {
56  xl_heap_update *xlrec = (xl_heap_update *) rec;
57 
58  appendStringInfo(buf, "off %u xmax %u ",
59  xlrec->old_offnum,
60  xlrec->old_xmax);
61  out_infobits(buf, xlrec->old_infobits_set);
62  appendStringInfo(buf, "; new off %u xmax %u",
63  xlrec->new_offnum,
64  xlrec->new_xmax);
65  }
66  else if (info == XLOG_HEAP_HOT_UPDATE)
67  {
68  xl_heap_update *xlrec = (xl_heap_update *) rec;
69 
70  appendStringInfo(buf, "off %u xmax %u ",
71  xlrec->old_offnum,
72  xlrec->old_xmax);
73  out_infobits(buf, xlrec->old_infobits_set);
74  appendStringInfo(buf, "; new off %u xmax %u",
75  xlrec->new_offnum,
76  xlrec->new_xmax);
77  }
78  else if (info == XLOG_HEAP_TRUNCATE)
79  {
80  xl_heap_truncate *xlrec = (xl_heap_truncate *) rec;
81  int i;
82 
83  if (xlrec->flags & XLH_TRUNCATE_CASCADE)
84  appendStringInfo(buf, "cascade ");
85  if (xlrec->flags & XLH_TRUNCATE_RESTART_SEQS)
86  appendStringInfo(buf, "restart_seqs ");
87  appendStringInfo(buf, "nrelids %u relids", xlrec->nrelids);
88  for (i = 0; i < xlrec->nrelids; i++)
89  appendStringInfo(buf, " %u", xlrec->relids[i]);
90  }
91  else if (info == XLOG_HEAP_CONFIRM)
92  {
93  xl_heap_confirm *xlrec = (xl_heap_confirm *) rec;
94 
95  appendStringInfo(buf, "off %u", xlrec->offnum);
96  }
97  else if (info == XLOG_HEAP_LOCK)
98  {
99  xl_heap_lock *xlrec = (xl_heap_lock *) rec;
100 
101  appendStringInfo(buf, "off %u: xid %u: flags %u ",
102  xlrec->offnum, xlrec->locking_xid, xlrec->flags);
103  out_infobits(buf, xlrec->infobits_set);
104  }
105  else if (info == XLOG_HEAP_INPLACE)
106  {
107  xl_heap_inplace *xlrec = (xl_heap_inplace *) rec;
108 
109  appendStringInfo(buf, "off %u", xlrec->offnum);
110  }
111 }
#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:323
#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:230
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:78
TransactionId new_xmax
Definition: heapam_xlog.h:216
int8 infobits_set
Definition: heapam_xlog.h:276
static void out_infobits(StringInfo buf, uint8 infobits)
Definition: heapdesc.c:20
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
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 7022 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().

7023 {
7024  HeapTupleHeaderSetXmax(tuple, frz->xmax);
7025 
7026  if (frz->frzflags & XLH_FREEZE_XVAC)
7028 
7029  if (frz->frzflags & XLH_INVALID_XVAC)
7031 
7032  tuple->t_infomask = frz->t_infomask;
7033  tuple->t_infomask2 = frz->t_infomask2;
7034 }
#define HeapTupleHeaderSetXvac(tup, xid)
Definition: htup_details.h:422
#define HeapTupleHeaderSetXmax(tup, xid)
Definition: htup_details.h:379
#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 175 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.

176 {
177  const char *id = NULL;
178 
179  switch (info & ~XLR_INFO_MASK)
180  {
181  case XLOG_HEAP_INSERT:
182  id = "INSERT";
183  break;
185  id = "INSERT+INIT";
186  break;
187  case XLOG_HEAP_DELETE:
188  id = "DELETE";
189  break;
190  case XLOG_HEAP_UPDATE:
191  id = "UPDATE";
192  break;
194  id = "UPDATE+INIT";
195  break;
197  id = "HOT_UPDATE";
198  break;
200  id = "HOT_UPDATE+INIT";
201  break;
202  case XLOG_HEAP_TRUNCATE:
203  id = "TRUNCATE";
204  break;
205  case XLOG_HEAP_CONFIRM:
206  id = "HEAP_CONFIRM";
207  break;
208  case XLOG_HEAP_LOCK:
209  id = "LOCK";
210  break;
211  case XLOG_HEAP_INPLACE:
212  id = "INPLACE";
213  break;
214  }
215 
216  return id;
217 }
#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 9399 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.

9400 {
9401  Page page = (Page) pagedata;
9402  OffsetNumber off;
9403 
9405 
9406  mask_page_hint_bits(page);
9407  mask_unused_space(page);
9408 
9409  for (off = 1; off <= PageGetMaxOffsetNumber(page); off++)
9410  {
9411  ItemId iid = PageGetItemId(page, off);
9412  char *page_item;
9413 
9414  page_item = (char *) (page + ItemIdGetOffset(iid));
9415 
9416  if (ItemIdIsNormal(iid))
9417  {
9418  HeapTupleHeader page_htup = (HeapTupleHeader) page_item;
9419 
9420  /*
9421  * If xmin of a tuple is not yet frozen, we should ignore
9422  * differences in hint bits, since they can be set without
9423  * emitting WAL.
9424  */
9425  if (!HeapTupleHeaderXminFrozen(page_htup))
9426  page_htup->t_infomask &= ~HEAP_XACT_MASK;
9427  else
9428  {
9429  /* Still we need to mask xmax hint bits. */
9430  page_htup->t_infomask &= ~HEAP_XMAX_INVALID;
9431  page_htup->t_infomask &= ~HEAP_XMAX_COMMITTED;
9432  }
9433 
9434  /*
9435  * During replay, we set Command Id to FirstCommandId. Hence, mask
9436  * it. See heap_xlog_insert() for details.
9437  */
9438  page_htup->t_choice.t_heap.t_field3.t_cid = MASK_MARKER;
9439 
9440  /*
9441  * For a speculative tuple, heap_insert() does not set ctid in the
9442  * caller-passed heap tuple itself, leaving the ctid field to
9443  * contain a speculative token value - a per-backend monotonically
9444  * increasing identifier. Besides, it does not WAL-log ctid under
9445  * any circumstances.
9446  *
9447  * During redo, heap_xlog_insert() sets t_ctid to current block
9448  * number and self offset number. It doesn't care about any
9449  * speculative insertions in master. Hence, we set t_ctid to
9450  * current block number and self offset number to ignore any
9451  * inconsistency.
9452  */
9453  if (HeapTupleHeaderIsSpeculative(page_htup))
9454  ItemPointerSet(&page_htup->t_ctid, blkno, off);
9455 
9456  /*
9457  * NB: Not ignoring ctid changes due to the tuple having moved
9458  * (i.e. HeapTupleHeaderIndicatesMovedPartitions), because that's
9459  * important information that needs to be in-sync between primary
9460  * and standby, and thus is WAL logged.
9461  */
9462  }
9463 
9464  /*
9465  * Ignore any padding bytes after the tuple, when the length of the
9466  * item is not MAXALIGNed.
9467  */
9468  if (ItemIdHasStorage(iid))
9469  {
9470  int len = ItemIdGetLength(iid);
9471  int padlen = MAXALIGN(len) - len;
9472 
9473  if (padlen > 0)
9474  memset(page_item + len, MASK_MARKER, padlen);
9475  }
9476  }
9477 }
union HeapTupleHeaderData::@45 t_choice
HeapTupleFields t_heap
Definition: htup_details.h:155
HeapTupleHeaderData * HeapTupleHeader
Definition: htup.h:23
#define HeapTupleHeaderIsSpeculative(tup)
Definition: htup_details.h:428
void mask_page_hint_bits(Page page)
Definition: bufmask.c:46
#define HEAP_XMAX_COMMITTED
Definition: htup_details.h:205
#define PageGetMaxOffsetNumber(page)
Definition: bufpage.h:353
void mask_unused_space(Page page)
Definition: bufmask.c:71
uint16 OffsetNumber
Definition: off.h:24
#define ItemIdGetLength(itemId)
Definition: itemid.h:58
#define MASK_MARKER
Definition: bufmask.h:24
#define HEAP_XMAX_INVALID
Definition: htup_details.h:206
ItemPointerData t_ctid
Definition: htup_details.h:159
#define ItemIdGetOffset(itemId)
Definition: itemid.h:64
union HeapTupleFields::@44 t_field3
#define PageGetItemId(page, offsetNumber)
Definition: bufpage.h:231
void mask_page_lsn_and_checksum(Page page)
Definition: bufmask.c:31
#define HeapTupleHeaderXminFrozen(tup)
Definition: htup_details.h:334
#define ItemIdHasStorage(itemId)
Definition: itemid.h:119
#define ItemIdIsNormal(itemId)
Definition: itemid.h:98
#define MAXALIGN(LEN)
Definition: c.h:652
#define HEAP_XACT_MASK
Definition: htup_details.h:217
CommandId t_cid
Definition: htup_details.h:127
Pointer Page
Definition: bufpage.h:74
#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 6800 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, FrozenTransactionId, 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, HeapTupleHeaderXminFrozen, 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().

6804 {
6805  bool changed = false;
6806  bool xmax_already_frozen = false;
6807  bool xmin_frozen;
6808  bool freeze_xmax;
6809  TransactionId xid;
6810 
6811  frz->frzflags = 0;
6812  frz->t_infomask2 = tuple->t_infomask2;
6813  frz->t_infomask = tuple->t_infomask;
6814  frz->xmax = HeapTupleHeaderGetRawXmax(tuple);
6815 
6816  /* Process xmin */
6817  xid = HeapTupleHeaderGetXmin(tuple);
6818  xmin_frozen = ((xid == FrozenTransactionId) ||
6819  HeapTupleHeaderXminFrozen(tuple));
6820  if (TransactionIdIsNormal(xid))
6821  {
6823  ereport(ERROR,
6825  errmsg_internal("found xmin %u from before relfrozenxid %u",
6826  xid, relfrozenxid)));
6827 
6828  if (TransactionIdPrecedes(xid, cutoff_xid))
6829  {
6830  if (!TransactionIdDidCommit(xid))
6831  ereport(ERROR,
6833  errmsg_internal("uncommitted xmin %u from before xid cutoff %u needs to be frozen",
6834  xid, cutoff_xid)));
6835 
6836  frz->t_infomask |= HEAP_XMIN_FROZEN;
6837  changed = true;
6838  xmin_frozen = true;
6839  }
6840  }
6841 
6842  /*
6843  * Process xmax. To thoroughly examine the current Xmax value we need to
6844  * resolve a MultiXactId to its member Xids, in case some of them are
6845  * below the given cutoff for Xids. In that case, those values might need
6846  * freezing, too. Also, if a multi needs freezing, we cannot simply take
6847  * it out --- if there's a live updater Xid, it needs to be kept.
6848  *
6849  * Make sure to keep heap_tuple_needs_freeze in sync with this.
6850  */
6851  xid = HeapTupleHeaderGetRawXmax(tuple);
6852 
6853  if (tuple->t_infomask & HEAP_XMAX_IS_MULTI)
6854  {
6855  TransactionId newxmax;
6856  uint16 flags;
6857 
6858  newxmax = FreezeMultiXactId(xid, tuple->t_infomask,
6860  cutoff_xid, cutoff_multi, &flags);
6861 
6862  freeze_xmax = (flags & FRM_INVALIDATE_XMAX);
6863 
6864  if (flags & FRM_RETURN_IS_XID)
6865  {
6866  /*
6867  * NB -- some of these transformations are only valid because we
6868  * know the return Xid is a tuple updater (i.e. not merely a
6869  * locker.) Also note that the only reason we don't explicitly
6870  * worry about HEAP_KEYS_UPDATED is because it lives in
6871  * t_infomask2 rather than t_infomask.
6872  */
6873  frz->t_infomask &= ~HEAP_XMAX_BITS;
6874  frz->xmax = newxmax;
6875  if (flags & FRM_MARK_COMMITTED)
6877  changed = true;
6878  }
6879  else if (flags & FRM_RETURN_IS_MULTI)
6880  {
6881  uint16 newbits;
6882  uint16 newbits2;
6883 
6884  /*
6885  * We can't use GetMultiXactIdHintBits directly on the new multi
6886  * here; that routine initializes the masks to all zeroes, which
6887  * would lose other bits we need. Doing it this way ensures all
6888  * unrelated bits remain untouched.
6889  */
6890  frz->t_infomask &= ~HEAP_XMAX_BITS;
6891  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6892  GetMultiXactIdHintBits(newxmax, &newbits, &newbits2);
6893  frz->t_infomask |= newbits;
6894  frz->t_infomask2 |= newbits2;
6895 
6896  frz->xmax = newxmax;
6897 
6898  changed = true;
6899  }
6900  }
6901  else if (TransactionIdIsNormal(xid))
6902  {
6904  ereport(ERROR,
6906  errmsg_internal("found xmax %u from before relfrozenxid %u",
6907  xid, relfrozenxid)));
6908 
6909  if (TransactionIdPrecedes(xid, cutoff_xid))
6910  {
6911  /*
6912  * If we freeze xmax, make absolutely sure that it's not an XID
6913  * that is important. (Note, a lock-only xmax can be removed
6914  * independent of committedness, since a committed lock holder has
6915  * released the lock).
6916  */
6917  if (!HEAP_XMAX_IS_LOCKED_ONLY(tuple->t_infomask) &&
6919  ereport(ERROR,
6921  errmsg_internal("cannot freeze committed xmax %u",
6922  xid)));
6923  freeze_xmax = true;
6924  }
6925  else
6926  freeze_xmax = false;
6927  }
6928  else if ((tuple->t_infomask & HEAP_XMAX_INVALID) ||
6930  {
6931  freeze_xmax = false;
6932  xmax_already_frozen = true;
6933  }
6934  else
6935  ereport(ERROR,
6937  errmsg_internal("found xmax %u (infomask 0x%04x) not frozen, not multi, not normal",
6938  xid, tuple->t_infomask)));
6939 
6940  if (freeze_xmax)
6941  {
6942  Assert(!xmax_already_frozen);
6943 
6944  frz->xmax = InvalidTransactionId;
6945 
6946  /*
6947  * The tuple might be marked either XMAX_INVALID or XMAX_COMMITTED +
6948  * LOCKED. Normalize to INVALID just to be sure no one gets confused.
6949  * Also get rid of the HEAP_KEYS_UPDATED bit.
6950  */
6951  frz->t_infomask &= ~HEAP_XMAX_BITS;
6952  frz->t_infomask |= HEAP_XMAX_INVALID;
6953  frz->t_infomask2 &= ~HEAP_HOT_UPDATED;
6954  frz->t_infomask2 &= ~HEAP_KEYS_UPDATED;
6955  changed = true;
6956  }
6957 
6958  /*
6959  * Old-style VACUUM FULL is gone, but we have to keep this code as long as
6960  * we support having MOVED_OFF/MOVED_IN tuples in the database.
6961  */
6962  if (tuple->t_infomask & HEAP_MOVED)
6963  {
6964  xid = HeapTupleHeaderGetXvac(tuple);
6965 
6966  /*
6967  * For Xvac, we ignore the cutoff_xid and just always perform the
6968  * freeze operation. The oldest release in which such a value can
6969  * actually be set is PostgreSQL 8.4, because old-style VACUUM FULL
6970  * was removed in PostgreSQL 9.0. Note that if we were to respect
6971  * cutoff_xid here, we'd need to make surely to clear totally_frozen
6972  * when we skipped freezing on that basis.
6973  */
6974  if (TransactionIdIsNormal(xid))
6975  {
6976  /*
6977  * If a MOVED_OFF tuple is not dead, the xvac transaction must
6978  * have failed; whereas a non-dead MOVED_IN tuple must mean the
6979  * xvac transaction succeeded.
6980  */
6981  if (tuple->t_infomask & HEAP_MOVED_OFF)
6982  frz->frzflags |= XLH_INVALID_XVAC;
6983  else
6984  frz->frzflags |= XLH_FREEZE_XVAC;
6985 
6986  /*
6987  * Might as well fix the hint bits too; usually XMIN_COMMITTED
6988  * will already be set here, but there's a small chance not.
6989  */
6990  Assert(!(tuple->t_infomask & HEAP_XMIN_INVALID));
6992  changed = true;
6993  }
6994  }
6995 
6996  *totally_frozen_p = (xmin_frozen &&
6997  (freeze_xmax || xmax_already_frozen));
6998  return changed;
6999 }
#define FRM_RETURN_IS_XID
Definition: heapam.c:6475
static void GetMultiXactIdHintBits(MultiXactId multi, uint16 *new_infomask, uint16 *new_infomask2)
Definition: heapam.c:7074
#define FRM_MARK_COMMITTED
Definition: heapam.c:6477
#define HEAP_XMAX_BITS
Definition: htup_details.h:269
uint32 TransactionId
Definition: c.h:474
#define HEAP_XMIN_FROZEN
Definition: htup_details.h:204
int errcode(int sqlerrcode)
Definition: elog.c:575
#define HEAP_XMAX_COMMITTED
Definition: htup_details.h:205
bool TransactionIdDidCommit(TransactionId transactionId)
Definition: transam.c:125
#define HEAP_XMIN_INVALID
Definition: htup_details.h:203
#define HeapTupleHeaderGetRawXmax(tup)
Definition: htup_details.h:374
unsigned short uint16
Definition: c.h:324
#define ERROR
Definition: elog.h:43
#define HEAP_XMAX_INVALID
Definition: htup_details.h:206
#define FRM_INVALIDATE_XMAX
Definition: heapam.c:6474
#define InvalidTransactionId
Definition: transam.h:31
#define HeapTupleHeaderGetXvac(tup)
Definition: htup_details.h:414
#define ereport(elevel, rest)
Definition: elog.h:122
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:300
#define ERRCODE_DATA_CORRUPTED
Definition: pg_basebackup.c:43
#define FRM_RETURN_IS_MULTI
Definition: heapam.c:6476
#define HEAP_XMAX_IS_LOCKED_ONLY(infomask)
Definition: htup_details.h:229
#define HeapTupleHeaderXminFrozen(tup)
Definition: htup_details.h:334
#define HEAP_KEYS_UPDATED
Definition: htup_details.h:277
#define HEAP_XMAX_IS_MULTI
Definition: htup_details.h:207
#define HEAP_XMIN_COMMITTED
Definition: htup_details.h:202
#define HEAP_MOVED
Definition: htup_details.h:215
TransactionId relminmxid
Definition: pg_class.h:73
int errmsg_internal(const char *fmt,...)
Definition: elog.c:827
#define HEAP_MOVED_OFF
Definition: htup_details.h:209
#define Assert(condition)
Definition: c.h:699
#define FrozenTransactionId
Definition: transam.h:33
#define HeapTupleHeaderGetXmin(tup)
Definition: htup_details.h:312
TransactionId xmax
Definition: heapam_xlog.h:320
TransactionId relfrozenxid
Definition: pg_class.h:72
static TransactionId FreezeMultiXactId(MultiXactId multi, uint16 t_infomask, TransactionId relfrozenxid, TransactionId relminmxid, TransactionId cutoff_xid, MultiXactId cutoff_multi, uint16 *flags)
Definition: heapam.c:6501
#define HEAP_HOT_UPDATED
Definition: htup_details.h:279
#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 9270 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.

9271 {
9272  uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
9273 
9274  /*
9275  * These operations don't overwrite MVCC data so no conflict processing is
9276  * required. The ones in heap2 rmgr do.
9277  */
9278 
9279  switch (info & XLOG_HEAP_OPMASK)
9280  {
9281  case XLOG_HEAP_INSERT:
9282  heap_xlog_insert(record);
9283  break;
9284  case XLOG_HEAP_DELETE:
9285  heap_xlog_delete(record);
9286  break;
9287  case XLOG_HEAP_UPDATE:
9288  heap_xlog_update(record, false);
9289  break;
9290  case XLOG_HEAP_TRUNCATE:
9291 
9292  /*
9293  * TRUNCATE is a no-op because the actions are already logged as
9294  * SMGR WAL records. TRUNCATE WAL record only exists for logical
9295  * decoding.
9296  */
9297  break;
9298  case XLOG_HEAP_HOT_UPDATE:
9299  heap_xlog_update(record, true);
9300  break;
9301  case XLOG_HEAP_CONFIRM:
9302  heap_xlog_confirm(record);
9303  break;
9304  case XLOG_HEAP_LOCK:
9305  heap_xlog_lock(record);
9306  break;
9307  case XLOG_HEAP_INPLACE:
9308  heap_xlog_inplace(record);
9309  break;
9310  default:
9311  elog(PANIC, "heap_redo: unknown op code %u", info);
9312  }
9313 }
#define XLOG_HEAP_INSERT
Definition: heapam_xlog.h:32
unsigned char uint8
Definition: c.h:323
#define XLOG_HEAP_OPMASK
Definition: heapam_xlog.h:41
#define XLOG_HEAP_HOT_UPDATE
Definition: heapam_xlog.h:36
#define PANIC
Definition: elog.h:53
static void heap_xlog_confirm(XLogReaderState *record)
Definition: heapam.c:9062
static void heap_xlog_lock(XLogReaderState *record)
Definition: heapam.c:9098
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:226
#define XLOG_HEAP_TRUNCATE
Definition: heapam_xlog.h:35
static void heap_xlog_insert(XLogReaderState *record)
Definition: heapam.c:8535
static void heap_xlog_inplace(XLogReaderState *record)
Definition: heapam.c:9229
static void heap_xlog_delete(XLogReaderState *record)
Definition: heapam.c:8462
#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:8790
#define XLOG_HEAP_LOCK
Definition: heapam_xlog.h:38
#define elog
Definition: elog.h:219
#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 1121 of file rewriteheap.c.

References CloseTransientFile(), 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().

1122 {
1123  char path[MAXPGPATH];
1124  int fd;
1125  xl_heap_rewrite_mapping *xlrec;
1126  uint32 len;
1127  char *data;
1128 
1129  xlrec = (xl_heap_rewrite_mapping *) XLogRecGetData(r);
1130 
1131  snprintf(path, MAXPGPATH,
1132  "pg_logical/mappings/" LOGICAL_REWRITE_FORMAT,
1133  xlrec->mapped_db, xlrec->mapped_rel,
1134  (uint32) (xlrec->start_lsn >> 32),
1135  (uint32) xlrec->start_lsn,
1136  xlrec->mapped_xid, XLogRecGetXid(r));
1137 
1138  fd = OpenTransientFile(path,
1139  O_CREAT | O_WRONLY | PG_BINARY);
1140  if (fd < 0)
1141  ereport(ERROR,
1143  errmsg("could not create file \"%s\": %m", path)));
1144 
1145  /*
1146  * Truncate all data that's not guaranteed to have been safely fsynced (by
1147  * previous record or by the last checkpoint).
1148  */
1150  if (ftruncate(fd, xlrec->offset) != 0)
1151  ereport(ERROR,
1153  errmsg("could not truncate file \"%s\" to %u: %m",
1154  path, (uint32) xlrec->offset)));
1156 
1157  /* now seek to the position we want to write our data to */
1158  if (lseek(fd, xlrec->offset, SEEK_SET) != xlrec->offset)
1159  ereport(ERROR,
1161  errmsg("could not seek to end of file \"%s\": %m",
1162  path)));
1163 
1164  data = XLogRecGetData(r) + sizeof(*xlrec);
1165 
1166  len = xlrec->num_mappings * sizeof(LogicalRewriteMappingData);
1167 
1168  /* write out tail end of mapping file (again) */
1170  if (write(fd, data, len) != len)
1171  ereport(ERROR,
1173  errmsg("could not write to file \"%s\": %m", path)));
1175 
1176  /*
1177  * Now fsync all previously written data. We could improve things and only
1178  * do this for the last write to a file, but the required bookkeeping
1179  * doesn't seem worth the trouble.
1180  */
1182  if (pg_fsync(fd) != 0)
1183  ereport(ERROR,
1185  errmsg("could not fsync file \"%s\": %m", path)));
1187 
1188  CloseTransientFile(fd);
1189 }
#define write(a, b, c)
Definition: win32.h:14
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
static int fd(const char *x, int i)
Definition: preproc-init.c:105
#define PG_BINARY
Definition: c.h:1080
#define XLogRecGetData(decoder)
Definition: xlogreader.h:230
#define ERROR
Definition: elog.h:43
int OpenTransientFile(const char *fileName, int fileFlags)
Definition: fd.c:2386
#define MAXPGPATH
int errcode_for_file_access(void)
Definition: elog.c:598
unsigned int uint32
Definition: c.h:325
static void pgstat_report_wait_end(void)
Definition: pgstat.h:1260
#define ereport(elevel, rest)
Definition: elog.h:122
int CloseTransientFile(int fd)
Definition: fd.c:2556
#define XLogRecGetXid(decoder)
Definition: xlogreader.h:228
TransactionId mapped_xid
Definition: heapam_xlog.h:378
static void pgstat_report_wait_start(uint32 wait_event_info)
Definition: pgstat.h:1236
#define LOGICAL_REWRITE_FORMAT
Definition: rewriteheap.h:54
int errmsg(const char *fmt,...)
Definition: elog.c:797
struct LogicalRewriteMappingData LogicalRewriteMappingData
int pg_fsync(int fd)
Definition: fd.c:341
#define ftruncate(a, b)
Definition: win32_port.h:60

◆ HeapTupleHeaderAdvanceLatestRemovedXid()

void HeapTupleHeaderAdvanceLatestRemovedXid ( HeapTupleHeader  tuple,
TransactionId latestRemovedXid 
)

Definition at line 7557 of file heapam.c.

References HEAP_MOVED, HeapTupleHeaderGetUpdateXid, HeapTupleHeaderGetXmin, HeapTupleHeaderGetXvac, HeapTupleHeaderXminCommitted, HeapTupleHeaderXminInvalid, HeapTupleHeaderData::t_infomask, TransactionIdDidCommit(), TransactionIdFollows(), and TransactionIdPrecedes().

Referenced by btree_xlog_delete_get_latestRemovedXid(), hash_xlog_vacuum_get_latestRemovedXid(), heap_prune_chain(), and lazy_scan_heap().

7559 {
7560  TransactionId xmin = HeapTupleHeaderGetXmin(tuple);
7562  TransactionId xvac = HeapTupleHeaderGetXvac(tuple);
7563 
7564  if (tuple->t_infomask & HEAP_MOVED)
7565  {
7566  if (TransactionIdPrecedes(*latestRemovedXid, xvac))
7567  *latestRemovedXid = xvac;
7568  }
7569 
7570  /*
7571  * Ignore tuples inserted by an aborted transaction or if the tuple was
7572  * updated/deleted by the inserting transaction.
7573  *
7574  * Look for a committed hint bit, or if no xmin bit is set, check clog.
7575  * This needs to work on both master and standby, where it is used to
7576  * assess btree delete records.
7577  */
7578  if (HeapTupleHeaderXminCommitted(tuple) ||
7580  {
7581  if (xmax != xmin &&
7582  TransactionIdFollows(xmax, *latestRemovedXid))
7583  *latestRemovedXid = xmax;
7584  }
7585 
7586  /* *latestRemovedXid may still be invalid at end */
7587 }
#define HeapTupleHeaderGetUpdateXid(tup)
Definition: htup_details.h:364
bool TransactionIdFollows(TransactionId id1, TransactionId id2)
Definition: transam.c:334
uint32 TransactionId
Definition: c.h:474
#define HeapTupleHeaderXminInvalid(tup)
Definition: htup_details.h:328
bool TransactionIdDidCommit(TransactionId transactionId)
Definition: transam.c:125
#define HeapTupleHeaderXminCommitted(tup)
Definition: htup_details.h:323
#define HeapTupleHeaderGetXvac(tup)
Definition: htup_details.h:414
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:300
#define HEAP_MOVED
Definition: htup_details.h:215
#define HeapTupleHeaderGetXmin(tup)
Definition: htup_details.h:312

◆ 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 7625 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().

7630 {
7631  xl_heap_clean xlrec;
7632  XLogRecPtr recptr;
7633 
7634  /* Caller should not call me on a non-WAL-logged relation */
7635  Assert(RelationNeedsWAL(reln));
7636 
7637  xlrec.latestRemovedXid = latestRemovedXid;
7638  xlrec.nredirected = nredirected;
7639  xlrec.ndead = ndead;
7640 
7641  XLogBeginInsert();
7642  XLogRegisterData((char *) &xlrec, SizeOfHeapClean);
7643 
7645 
7646  /*
7647  * The OffsetNumber arrays are not actually in the buffer, but we pretend
7648  * that they are. When XLogInsert stores the whole buffer, the offset
7649  * arrays need not be stored too. Note that even if all three arrays are
7650  * empty, we want to expose the buffer as a candidate for whole-page
7651  * storage, since this record type implies a defragmentation operation
7652  * even if no item pointers changed state.
7653  */
7654  if (nredirected > 0)
7655  XLogRegisterBufData(0, (char *) redirected,
7656  nredirected * sizeof(OffsetNumber) * 2);
7657 
7658  if (ndead > 0)
7659  XLogRegisterBufData(0, (char *) nowdead,
7660  ndead * sizeof(OffsetNumber));
7661 
7662  if (nunused > 0)
7663  XLogRegisterBufData(0, (char *) nowunused,
7664  nunused * sizeof(OffsetNumber));
7665 
7666  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_CLEAN);
7667 
7668  return recptr;
7669 }
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:34
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:699
WalTimeSample buffer[LAG_TRACKER_BUFFER_SIZE]
Definition: walsender.c:215
#define RelationNeedsWAL(relation)
Definition: rel.h:510
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 7596 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().

7597 {
7598  xl_heap_cleanup_info xlrec;
7599  XLogRecPtr recptr;
7600 
7601  xlrec.node = rnode;
7602  xlrec.latestRemovedXid = latestRemovedXid;
7603 
7604  XLogBeginInsert();
7605  XLogRegisterData((char *) &xlrec, SizeOfHeapCleanupInfo);
7606 
7607  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_CLEANUP_INFO);
7608 
7609  return recptr;
7610 }
#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 7676 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().

7678 {
7679  xl_heap_freeze_page xlrec;
7680  XLogRecPtr recptr;
7681 
7682  /* Caller should not call me on a non-WAL-logged relation */
7683  Assert(RelationNeedsWAL(reln));
7684  /* nor when there are no tuples to freeze */
7685  Assert(ntuples > 0);
7686 
7687  xlrec.cutoff_xid = cutoff_xid;
7688  xlrec.ntuples = ntuples;
7689 
7690  XLogBeginInsert();
7691  XLogRegisterData((char *) &xlrec, SizeOfHeapFreezePage);
7692 
7693  /*
7694  * The freeze plan array is not actually in the buffer, but pretend that
7695  * it is. When XLogInsert stores the whole buffer, the freeze plan need
7696  * not be stored too.
7697  */
7699  XLogRegisterBufData(0, (char *) tuples,
7700  ntuples * sizeof(xl_heap_freeze_tuple));
7701 
7702  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_FREEZE_PAGE);
7703 
7704  return recptr;
7705 }
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:34
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:699
WalTimeSample buffer[LAG_TRACKER_BUFFER_SIZE]
Definition: walsender.c:215
#define RelationNeedsWAL(relation)
Definition: rel.h:510
#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 7717 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().

7719 {
7720  xl_heap_visible xlrec;
7721  XLogRecPtr recptr;
7722  uint8 flags;
7723 
7724  Assert(BufferIsValid(heap_buffer));
7725  Assert(BufferIsValid(vm_buffer));
7726 
7727  xlrec.cutoff_xid = cutoff_xid;
7728  xlrec.flags = vmflags;
7729  XLogBeginInsert();
7730  XLogRegisterData((char *) &xlrec, SizeOfHeapVisible);
7731 
7732  XLogRegisterBuffer(0, vm_buffer, 0);
7733 
7734  flags = REGBUF_STANDARD;
7735  if (!XLogHintBitIsNeeded())
7736  flags |= REGBUF_NO_IMAGE;
7737  XLogRegisterBuffer(1, heap_buffer, flags);
7738 
7739  recptr = XLogInsert(RM_HEAP2_ID, XLOG_HEAP2_VISIBLE);
7740 
7741  return recptr;
7742 }
void XLogRegisterBuffer(uint8 block_id, Buffer buffer, uint8 flags)
Definition: xloginsert.c:213
unsigned char uint8
Definition: c.h:323
#define XLOG_HEAP2_VISIBLE
Definition: heapam_xlog.h:57
TransactionId cutoff_xid
Definition: heapam_xlog.h:349
#define REGBUF_STANDARD
Definition: xloginsert.h:34
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:699
#define REGBUF_NO_IMAGE
Definition: xloginsert.h:31
#define BufferIsValid(bufnum)
Definition: bufmgr.h:114
void XLogBeginInsert(void)
Definition: xloginsert.c:120
#define XLogHintBitIsNeeded()
Definition: xlog.h:157