Function _bitmap_log_bitmap_lastwords

src/backend/access/bitmap/bitmaputil.c:950–980

* _bitmap_log_bitmap_lastwords() -- log the last two words in a bitmap. */

 * _bitmap_log_bitmap_lastwords() -- log the last two words in a bitmap.
 */
void
_bitmap_log_bitmap_lastwords(Relation rel, Buffer lovBuffer, 
							 OffsetNumber lovOffset, BMLOVItem lovItem)
{
	xl_bm_bitmap_lastwords	xlLastwords;
	XLogRecPtr				recptr;

	xlLastwords.bm_node = rel->rd_node;
	xlLastwords.bm_last_compword = lovItem->bm_last_compword;
	xlLastwords.bm_last_word = lovItem->bm_last_word;
	xlLastwords.lov_words_header = lovItem->lov_words_header;
	xlLastwords.bm_last_setbit = lovItem->bm_last_setbit;
	xlLastwords.bm_last_tid_location = lovItem->bm_last_tid_location;
	xlLastwords.bm_lov_blkno = BufferGetBlockNumber(lovBuffer);
	xlLastwords.bm_lov_offset = lovOffset;

	XLogBeginInsert();
	XLogRegisterData((char*)&xlLastwords, sizeof(xl_bm_bitmap_lastwords));
	XLogRegisterBuffer(0, lovBuffer, REGBUF_STANDARD);

	recptr = XLogInsert(RM_BITMAP_ID, XLOG_BITMAP_INSERT_BITMAP_LASTWORDS);

	PageSetLSN(BufferGetPage(lovBuffer), recptr);

	/*
	 * WAL consistency checking
	 */
#ifdef DUMP_BITMAPAM_INSERT_RECORDS
	_dump_page("insert", XactLastRecEnd, &rel->rd_node, lovBuffer);
#endif
}

/*
 * _bitmap_log_lovitem() -- log adding a new lov item to a lov page.