Use correct functions in bitmap index and gp_dump_query_oids

Author: baobao0206

src/backend/access/bitmap/bitmapattutil.c

@@ -129,7 +129,7 @@ _bitmap_create_lov_heapandindex(Relation rel,
 		 * After creating the new relfilenode for a btee index, this is not
 		 * a btree anymore. We create the new metapage for this btree.
 		 */
-		btree_metabuf = _bt_getbuf(lovIndex, P_NEW, BT_WRITE);
+		btree_metabuf = _bt_allocbuf(lovIndex, lovHeap);
 		Assert (BTREE_METAPAGE == BufferGetBlockNumber(btree_metabuf));
 		btree_metapage = BufferGetPage(btree_metabuf);
 		_bt_initmetapage(btree_metapage, P_NONE, 0, _bt_allequalimage(lovIndex, true));

src/backend/utils/adt/gp_dump_oids.c

@@ -234,7 +234,7 @@ gp_dump_query_oids(PG_FUNCTION_ARGS)
 		List	   *queryTree_sublist;
 
 
-		Query	*query = parse_analyze_varparams(parsetree, sqlText, NULL, 0, NULL);
+		Query	*query = parse_analyze_fixedparams(parsetree, sqlText, NULL, 0, NULL);
 		query->expandMatViews = true;
 		queryTree_sublist = pg_rewrite_query(query);