Function freeBitmapState

src/backend/executor/nodeBitmapHeapscan.c:89–105

* Free the state relevant to bitmaps */

 * Free the state relevant to bitmaps
 */
static void
freeBitmapState(BitmapHeapScanState *scanstate)
{
	if (scanstate->tbmiterator)
		tbm_generic_end_iterate(scanstate->tbmiterator);
	scanstate->tbmiterator = NULL;
	if (scanstate->prefetch_iterator)
		tbm_generic_end_iterate(scanstate->prefetch_iterator);
	scanstate->prefetch_iterator = NULL;

	if (scanstate->tbm)
		tbm_generic_free(scanstate->tbm);
	scanstate->tbm = NULL;
	/* The tbmres member is owned by the iterator. It'll be freed
	 * during end_iterate. */
	scanstate->tbmres = NULL;
}

/* ----------------------------------------------------------------
 *		BitmapHeapNext