Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
Index Data Aps
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
Index Data Aps
static void *r_create_between(RSET ct, const struct rset_control *sel, void *parms);
static RSFD r_open_between (RSET ct, int flag);
static void r_close_between (RSFD rfd);
static void *r_create_between(RSET ct, const struct rset_control *sel, void *parms);
static RSFD r_open_between (RSET ct, int flag);
static void r_close_between (RSFD rfd);
static void log2 (struct rset_between_rfd *p, char *msg, int cmp_l, int cmp_r)
{
char buf_l[32];
static void log2 (struct rset_between_rfd *p, char *msg, int cmp_l, int cmp_r)
{
char buf_l[32];
(*p->info->printer)(p->buf_r, buf_r), p->more_r, cmp_r,
p->level);
}
(*p->info->printer)(p->buf_r, buf_r), p->more_r, cmp_r,
p->level);
}
struct rset_between_info *info = ((struct rset_between_rfd*)rfd)->info;
struct rset_between_rfd *p = (struct rset_between_rfd *) rfd;
struct rset_between_info *info = ((struct rset_between_rfd*)rfd)->info;
struct rset_between_rfd *p = (struct rset_between_rfd *) rfd;
rset_rewind (info->rset_l, p->rfd_l);
rset_rewind (info->rset_m, p->rfd_m);
rset_rewind (info->rset_r, p->rfd_r);
rset_rewind (info->rset_l, p->rfd_l);
rset_rewind (info->rset_m, p->rfd_m);
rset_rewind (info->rset_r, p->rfd_r);
struct rset_between_info *info = ((struct rset_between_rfd*)rfd)->info;
struct rset_between_rfd *p = (struct rset_between_rfd *) rfd;
int rc;
struct rset_between_info *info = ((struct rset_between_rfd*)rfd)->info;
struct rset_between_rfd *p = (struct rset_between_rfd *) rfd;
int rc;
log2( p, "fwd: before forward", 0,0);
log2( p, "fwd: before forward", 0,0);
/* It is enough to forward the m pointer here, the read will */
/* naturally forward the l, m, and attr pointers */
if (p->more_m)
p->more_m=rset_forward(info->rset_m,p->rfd_m, p->buf_m,
&p->term_index_m, info->cmp,untilbuf);
/* It is enough to forward the m pointer here, the read will */
/* naturally forward the l, m, and attr pointers */
if (p->more_m)
p->more_m=rset_forward(info->rset_m,p->rfd_m, p->buf_m,
&p->term_index_m, info->cmp,untilbuf);
log2( p, "fwd: after forward M", 0,0);
log2( p, "fwd: after forward M", 0,0);
log2( p, "fwd: after forward", 0,0);
log2( p, "fwd: after forward", 0,0);
log2( p, "start of loop", cmp_l, cmp_r);
log2( p, "start of loop", cmp_l, cmp_r);
log2( p, "after first L", cmp_l, cmp_r);
log2( p, "after first L", cmp_l, cmp_r);
info->rset_attr, p->rfd_attr,
p->buf_attr, &dummy_term,
info->cmp, p->buf_l);
info->rset_attr, p->rfd_attr,
p->buf_attr, &dummy_term,
info->cmp, p->buf_l);
log2( p, "after forwarding L", cmp_l, cmp_r);
log2( p, "after forwarding L", cmp_l, cmp_r);
log2( p, "end of L loop", cmp_l, cmp_r);
log2( p, "end of L loop", cmp_l, cmp_r);
log2( p, "Before moving R", cmp_l, cmp_r);
log2( p, "Before moving R", cmp_l, cmp_r);
log2( p, "after first R", cmp_l, cmp_r);
log2( p, "after first R", cmp_l, cmp_r);
while (cmp_r < 0) /* r before m */
{
/* -2, earlier record, don't count level */
while (cmp_r < 0) /* r before m */
{
/* -2, earlier record, don't count level */
log2( p, "End of R loop", cmp_l, cmp_r);
log2( p, "End of R loop", cmp_l, cmp_r);
{
memcpy (buf, p->buf_m, info->key_size);
*term_index = p->term_index_m;
{
memcpy (buf, p->buf_m, info->key_size);
*term_index = p->term_index_m;
log2( p, "Returning a hit (and forwarding m)", cmp_l, cmp_r);
log2( p, "Returning a hit (and forwarding m)", cmp_l, cmp_r);
p->more_m = rset_read (info->rset_m, p->rfd_m, p->buf_m,
&p->term_index_m);
if (cmp_l == 2)
p->more_m = rset_read (info->rset_m, p->rfd_m, p->buf_m,
&p->term_index_m);
if (cmp_l == 2)
log2( p, "no more starts, exiting without a hit", cmp_l, cmp_r);
log2( p, "no more starts, exiting without a hit", cmp_l, cmp_r);
p->more_m = rset_read (info->rset_m, p->rfd_m, p->buf_m,
&p->term_index_m);
#endif
p->more_m = rset_read (info->rset_m, p->rfd_m, p->buf_m,
&p->term_index_m);
#endif
log2( p, "End of M loop", cmp_l, cmp_r);
log2( p, "End of M loop", cmp_l, cmp_r);
log2( p, "Exiting, nothing more in m", cmp_l, cmp_r);
log2( p, "Exiting, nothing more in m", cmp_l, cmp_r);