2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-12-11 09:07:53 adam
8 * New rset member 'flag', that holds various flags about a result set -
9 * currently 'volatile' (set is register dependent) and 'ranked' (set is
11 * New set types sand/sor/snot. They handle and/or/not for ranked and
12 * semi-ranked result sets.
14 * Revision 1.3 1995/09/07 13:58:08 adam
15 * New parameter: result-set file descriptor (RSFD) to support multiple
16 * positions within the same result-set.
17 * Boolean operators: and, or, not implemented.
19 * Revision 1.2 1995/09/06 16:10:57 adam
20 * More work on boolean sets.
22 * Revision 1.1 1995/09/06 13:27:37 adam
23 * New set type: bool. Not finished yet.
32 extern const rset_control *rset_kind_and;
33 extern const rset_control *rset_kind_or;
34 extern const rset_control *rset_kind_not;
36 extern const rset_control *rset_kind_sand;
37 extern const rset_control *rset_kind_sor;
38 extern const rset_control *rset_kind_snot;
40 typedef struct rset_bool_parms
45 int (*cmp)(const void *p1, const void *p2);