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pageinspect.h File Reference
#include "storage/bufpage.h"
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Enumerations

enum  pageinspect_version { PAGEINSPECT_V1_8 , PAGEINSPECT_V1_9 }
 

Functions

Page get_page_from_raw (bytea *raw_page)
 

Enumeration Type Documentation

◆ pageinspect_version

Enumerator
PAGEINSPECT_V1_8 
PAGEINSPECT_V1_9 

Definition at line 21 of file pageinspect.h.

22{
25};
@ PAGEINSPECT_V1_9
Definition: pageinspect.h:24
@ PAGEINSPECT_V1_8
Definition: pageinspect.h:23

Function Documentation

◆ get_page_from_raw()

Page get_page_from_raw ( bytea raw_page)

Definition at line 215 of file rawpage.c.

216{
217 Page page;
218 int raw_page_size;
219
220 raw_page_size = VARSIZE_ANY_EXHDR(raw_page);
221
222 if (raw_page_size != BLCKSZ)
224 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
225 errmsg("invalid page size"),
226 errdetail("Expected %d bytes, got %d.",
227 BLCKSZ, raw_page_size)));
228
229 page = palloc(raw_page_size);
230
231 memcpy(page, VARDATA_ANY(raw_page), raw_page_size);
232
233 return page;
234}
Pointer Page
Definition: bufpage.h:81
int errdetail(const char *fmt,...)
Definition: elog.c:1203
int errcode(int sqlerrcode)
Definition: elog.c:853
int errmsg(const char *fmt,...)
Definition: elog.c:1070
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:149
void * palloc(Size size)
Definition: mcxt.c:1317
#define VARDATA_ANY(PTR)
Definition: varatt.h:324
#define VARSIZE_ANY_EXHDR(PTR)
Definition: varatt.h:317

References ereport, errcode(), errdetail(), errmsg(), ERROR, palloc(), VARDATA_ANY, and VARSIZE_ANY_EXHDR.

Referenced by brin_page_type(), bt_page_items_bytea(), fsm_page_contents(), gin_leafpage_items(), gin_metapage_info(), gin_page_opaque_info(), page_checksum_internal(), page_header(), verify_brin_page(), verify_gist_page(), and verify_hash_page().