PostgreSQL Source Code git master
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Data Fields
PageHeaderData Struct Reference

#include <bufpage.h>

Data Fields

PageXLogRecPtr pd_lsn
 
uint16 pd_checksum
 
uint16 pd_flags
 
LocationIndex pd_lower
 
LocationIndex pd_upper
 
LocationIndex pd_special
 
uint16 pd_pagesize_version
 
TransactionId pd_prune_xid
 
ItemIdData pd_linp [FLEXIBLE_ARRAY_MEMBER]
 

Detailed Description

Definition at line 184 of file bufpage.h.

Field Documentation

◆ pd_checksum

uint16 PageHeaderData::pd_checksum

Definition at line 189 of file bufpage.h.

Referenced by mask_page_lsn_and_checksum(), PageIsVerified(), scan_file(), and verify_page_checksum().

◆ pd_flags

uint16 PageHeaderData::pd_flags

Definition at line 190 of file bufpage.h.

Referenced by PageInit(), and PageIsVerified().

◆ pd_linp

ItemIdData PageHeaderData::pd_linp[FLEXIBLE_ARRAY_MEMBER]

Definition at line 196 of file bufpage.h.

Referenced by PageIndexMultiDelete(), and PageIndexTupleDelete().

◆ pd_lower

LocationIndex PageHeaderData::pd_lower

Definition at line 191 of file bufpage.h.

Referenced by BTPageSetDeleted(), PageAddItemExtended(), PageGetExactFreeSpace(), PageGetFreeSpace(), PageGetFreeSpaceForMultipleTuples(), PageIndexMultiDelete(), PageIndexTupleDelete(), PageIndexTupleDeleteNoCompact(), PageIndexTupleOverwrite(), PageInit(), PageIsEmpty(), PageIsVerified(), and PageTruncateLinePointerArray().

◆ pd_lsn

PageXLogRecPtr PageHeaderData::pd_lsn

Definition at line 187 of file bufpage.h.

Referenced by mask_page_lsn_and_checksum().

◆ pd_pagesize_version

uint16 PageHeaderData::pd_pagesize_version

Definition at line 194 of file bufpage.h.

◆ pd_prune_xid

TransactionId PageHeaderData::pd_prune_xid

Definition at line 195 of file bufpage.h.

Referenced by mask_page_hint_bits().

◆ pd_special

LocationIndex PageHeaderData::pd_special

Definition at line 193 of file bufpage.h.

Referenced by BTPageSetDeleted(), compactify_tuples(), GetBTPageStatistics(), PageAddItemExtended(), PageIndexMultiDelete(), PageIndexTupleDelete(), PageIndexTupleDeleteNoCompact(), PageIndexTupleOverwrite(), PageInit(), and PageIsVerified().

◆ pd_upper

LocationIndex PageHeaderData::pd_upper

Definition at line 192 of file bufpage.h.

Referenced by BTPageSetDeleted(), compactify_tuples(), PageAddItemExtended(), PageGetExactFreeSpace(), PageGetFreeSpace(), PageGetFreeSpaceForMultipleTuples(), PageIndexMultiDelete(), PageIndexTupleDelete(), PageIndexTupleDeleteNoCompact(), PageIndexTupleOverwrite(), PageInit(), and PageIsVerified().

The documentation for this struct was generated from the following file: