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

enum pageinspect_version

Enumerator
PAGEINSPECT_V1_8
PAGEINSPECT_V1_9

Definition at line 21 of file pageinspect.h.

{
    PAGEINSPECT_V1_8,
    PAGEINSPECT_V1_9,
};

Function Documentation

get_page_from_raw()

Page get_page_from_raw ( bytea *  raw_page )

extern

Definition at line 215 of file rawpage.c.

{
    Page        page;
    int         raw_page_size;
 
    raw_page_size = VARSIZE_ANY_EXHDR(raw_page);
 
    if (raw_page_size != BLCKSZ)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
                 errmsg("invalid page size"),
                 errdetail("Expected %d bytes, got %d.",
                           BLCKSZ, raw_page_size)));
 
    page = palloc(raw_page_size);
 
    memcpy(page, VARDATA_ANY(raw_page), raw_page_size);
 
    return page;
}

References ereport, errcode(), errdetail(), errmsg, ERROR, memcpy(), 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(), heap_page_items(), page_checksum_internal(), page_header(), verify_brin_page(), verify_gist_page(), and verify_hash_page().