Bug#23044098 INSERT OF GIS DATA INTO RTREE HITS ASSERT IN RTR_CUR_RESTORE_POSITION_FUNC()

This bug is caused by missing page number field when store btree cursor.

Reviewed-by: Jimmy Yang<jimmy.yang@oracle.com>
RB: 14617

storage/innobase/rem/rem0rec.cc

@@ -1652,6 +1652,7 @@ rec_copy_prefix_to_buf(
 	ulint		prefix_len;
 	ulint		null_mask;
 	ulint		status;
+	bool		is_rtr_node_ptr = false;
 
 	UNIV_PREFETCH_RW(*buf);
 
@@ -1673,6 +1674,7 @@ rec_copy_prefix_to_buf(
 		/* For R-tree, we need to copy the child page number field. */
 		if (dict_index_is_spatial(index)) {
 			ut_ad(n_fields == DICT_INDEX_SPATIAL_NODEPTR_SIZE + 1);
+			is_rtr_node_ptr = true;
 		} else {
 			/* it doesn't make sense to copy the child page number
 			field */
@@ -1717,7 +1719,11 @@ rec_copy_prefix_to_buf(
 			null_mask <<= 1;
 		}
 
-		if (field->fixed_len) {
+		if (is_rtr_node_ptr && i == 1) {
+			/* For rtree node ptr rec, we need to
+			copy the page no field with 4 bytes len. */
+			prefix_len += 4;
+		} else if (field->fixed_len) {
 			prefix_len += field->fixed_len;
 		} else {
 			ulint	len = *lens--;