Function BloomInitMetapage

contrib/bloom/blutils.c:453–475

* Initialize metapage for bloom index. */

 * Initialize metapage for bloom index.
 */
void
BloomInitMetapage(Relation index)
{
	Buffer		metaBuffer;
	Page		metaPage;
	GenericXLogState *state;

	/*
	 * Make a new page; since it is first page it should be associated with
	 * block number 0 (BLOOM_METAPAGE_BLKNO).
	 */
	metaBuffer = BloomNewBuffer(index);
	Assert(BufferGetBlockNumber(metaBuffer) == BLOOM_METAPAGE_BLKNO);

	/* Initialize contents of meta page */
	state = GenericXLogStart(index);
	metaPage = GenericXLogRegisterBuffer(state, metaBuffer,
										 GENERIC_XLOG_FULL_IMAGE);
	BloomFillMetapage(index, metaPage);
	GenericXLogFinish(state);

	UnlockReleaseBuffer(metaBuffer);
}

/*
 * Parse reloptions for bloom index, producing a BloomOptions struct.