-/* $Id: zsets.c,v 1.44 2003-03-26 16:41:48 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+/* $Id: zsets.c,v 1.56 2004-08-19 14:47:06 heikki Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
Index Data Aps
This file is part of the Zebra server.
char *name;
RSET rset;
NMEM nmem;
- int hits;
+ zint hits;
int num_bases;
char **basenames;
Z_RPNQuery *rpn;
};
struct zset_sort_entry {
- int sysno;
+ zint sysno;
int score;
char buf[ZSET_SORT_MAX_LEVEL][SORT_IDX_ENTRYSIZE];
};
struct zset_sort_entry **entries;
};
-ZebraSet resultSetAddRPN (ZebraHandle zh, ODR input, ODR output,
+ZebraSet resultSetAddRPN (ZebraHandle zh, NMEM m,
Z_RPNQuery *rpn, int num_bases,
char **basenames,
const char *setname)
return 0;
zebraSet->locked = 1;
zebraSet->rpn = 0;
- zebraSet->nmem = nmem_create ();
+ zebraSet->nmem = m;
zebraSet->num_bases = num_bases;
zebraSet->basenames =
zebraSet->basenames[i] = nmem_strdup (zebraSet->nmem, basenames[i]);
- zebraSet->rset = rpn_search (zh, output->mem, rpn,
+ zebraSet->rset = rpn_search (zh, zebraSet->nmem, rpn,
zebraSet->num_bases,
zebraSet->basenames, zebraSet->name,
zebraSet);
const char *db, int set,
int use, const char *term)
{
+ assert(zh); /* compiler shut up */
if (!s->nmem)
s->nmem = nmem_create ();
if (!s->term_entries)
int zebra_resultSetTerms (ZebraHandle zh, const char *setname,
- int no, int *count,
+ int no, zint *count,
int *type, char *out, size_t *len)
{
ZebraSet s = resultSetGet (zh, setname);
}
else
{
+ const char *sort_max_str = zebra_get_resource(zh, "sortmax", "1000");
+
yaz_log (LOG_DEBUG, "adding result set %s", name);
s = (ZebraSet) xmalloc (sizeof(*s));
s->next = zh->sets;
s->sort_info = (struct zset_sort_info *)
xmalloc (sizeof(*s->sort_info));
- s->sort_info->max_entries = 1000;
+ s->sort_info->max_entries = atoi(sort_max_str);
+ if (s->sort_info->max_entries < 2)
+ s->sort_info->max_entries = 2;
+
s->sort_info->entries = (struct zset_sort_entry **)
xmalloc (sizeof(*s->sort_info->entries) *
s->sort_info->max_entries);
{
int position = 0;
int num_i = 0;
- int psysno = 0;
+ zint psysno = 0;
int term_index;
RSFD rfd;
struct it_key key;
rfd = rset_open (rset, RSETF_READ);
while (num_i < num && rset_read (rset, rfd, &key, &term_index))
{
- if (key.sysno != psysno)
+#if IT_KEY_NEW
+ zint this_sys = key.mem[0];
+#else
+ zint this_sys = key.sysno;
+#endif
+ if (this_sys != psysno)
{
- psysno = key.sysno;
+ psysno = this_sys;
if (sort_info)
{
/* determine we alreay have this in our set */
void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num)
{
+ assert(zh); /* compiler shut up about unused arg */
xfree (records);
}
void resultSetInsertSort (ZebraHandle zh, ZebraSet sset,
struct sortKeyInfo *criteria, int num_criteria,
- int sysno)
+ zint sysno)
{
struct zset_sort_entry this_entry;
struct zset_sort_entry *new_entry = NULL;
}
void resultSetInsertRank (ZebraHandle zh, struct zset_sort_info *sort_info,
- int sysno, int score, int relation)
+ zint sysno, int score, int relation)
{
struct zset_sort_entry *new_entry = NULL;
int i, j;
+ assert(zh); /* compiler shut up about unused arg */
i = sort_info->num_entries;
while (--i >= 0)
ZebraSet sset, RSET rset,
Z_SortKeySpecList *sort_sequence, int *sort_status)
{
- int i, psysno = 0;
+ int i;
+ zint psysno = 0;
struct it_key key;
struct sortKeyInfo sort_criteria[3];
int num_criteria;
RSFD rfd;
yaz_log (LOG_LOG, "resultSetSortSingle start");
+ assert(nmem); /* compiler shut up about unused param */
sset->sort_info->num_entries = 0;
sset->hits = 0;
Z_SortKeySpec *sks = sort_sequence->specs[i];
Z_SortKey *sk;
- if (*sks->sortRelation == Z_SortRelation_ascending)
+ if (*sks->sortRelation == Z_SortKeySpec_ascending)
sort_criteria[i].relation = 'A';
- else if (*sks->sortRelation == Z_SortRelation_descending)
+ else if (*sks->sortRelation == Z_SortKeySpec_descending)
sort_criteria[i].relation = 'D';
else
{
rfd = rset_open (rset, RSETF_READ);
while (rset_read (rset, rfd, &key, &term_index))
{
- if (key.sysno != psysno)
+#if IT_KEY_NEW
+ zint this_sys = key.mem[0];
+#else
+ zint this_sys = key.sysno;
+#endif
+ if (this_sys != psysno)
{
(sset->hits)++;
- psysno = key.sysno;
+ psysno = this_sys;
resultSetInsertSort (zh, sset,
sort_criteria, num_criteria, psysno);
}
rset_close (rset, rfd);
for (i = 0; i < rset->no_rset_terms; i++)
- yaz_log (LOG_LOG, "term=\"%s\" nn=%d type=%s count=%d",
+ yaz_log (LOG_LOG, "term=\"%s\" nn=" ZINT_FORMAT " type=%s count=" ZINT_FORMAT,
rset->rset_terms[i]->name,
rset->rset_terms[i]->nn,
rset->rset_terms[i]->flags,
rset->rset_terms[i]->count);
- *sort_status = Z_SortStatus_success;
+ *sort_status = Z_SortResponse_success;
yaz_log (LOG_LOG, "resultSetSortSingle end");
}
void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset)
{
- int kno = 0;
+ zint kno = 0;
struct it_key key;
RSFD rfd;
int term_index, i;
ZebraRankClass rank_class;
struct rank_control *rc;
struct zset_sort_info *sort_info;
+ const char *rank_handler_name = res_get_def(zh->res, "rank", "rank-1");
+ double cur,tot;
+ zint est=-2; /* -2 not done, -1 can't do, >0 actual estimate*/
+ zint esthits;
+ double ratio;
sort_info = zebraSet->sort_info;
sort_info->num_entries = 0;
yaz_log (LOG_LOG, "resultSetRank");
- rank_class = zebraRankLookup (zh, res_get_def(zh->res, "rank", "rank-1"));
+ rank_class = zebraRankLookup (zh, rank_handler_name);
+ if (!rank_class)
+ {
+ yaz_log (LOG_WARN, "No such rank handler: %s", rank_handler_name);
+ return;
+ }
rc = rank_class->control;
if (rset_read (rset, rfd, &key, &term_index))
{
- int psysno = key.sysno;
+#if IT_KEY_NEW
+ zint psysno = key.mem[0];
+#else
+ zint psysno = key.sysno;
+#endif
int score;
void *handle =
(*rc->begin) (zh->reg, rank_class->class_handle, rset);
(zebraSet->hits)++;
+ esthits=atoi(res_get_def(zh->res,"estimatehits","0"));
+ if (!esthits) est=-1; /* can not do */
do
{
+#if IT_KEY_NEW
+ zint this_sys = key.mem[0];
+#else
+ zint this_sys = key.sysno;
+#endif
kno++;
- if (key.sysno != psysno)
+ if (this_sys != psysno)
{
score = (*rc->calc) (handle, psysno);
resultSetInsertRank (zh, sort_info, psysno, score, 'A');
(zebraSet->hits)++;
- psysno = key.sysno;
+ psysno = this_sys;
}
- (*rc->add) (handle, key.seqno, term_index);
+ (*rc->add) (handle, this_sys, term_index);
+ if ( (est==-2) && (zebraSet->hits==esthits))
+ { /* time to estimate the hits */
+ rset_pos(rset,rfd,&cur,&tot);
+ if (tot>0) {
+ ratio=cur/tot;
+ est=(zint)(0.5+zebraSet->hits/ratio);
+ logf(LOG_LOG, "Estimating hits (%s) "
+ "%0.1f->"ZINT_FORMAT
+ "; %0.1f->"ZINT_FORMAT,
+ rset->control->desc,
+ cur, zebraSet->hits,
+ tot,est);
+ i=0; /* round to 3 significant digits */
+ while (est>1000) {
+ est/=10;
+ i++;
+ }
+ while (i--) est*=10;
+ zebraSet->hits=est;
+ }
+ }
}
- while (rset_read (rset, rfd, &key, &term_index));
+ while (rset_read (rset, rfd, &key, &term_index) && (est<0) );
+
score = (*rc->calc) (handle, psysno);
resultSetInsertRank (zh, sort_info, psysno, score, 'A');
(*rc->end) (zh->reg, handle);
rset_close (rset, rfd);
for (i = 0; i < rset->no_rset_terms; i++)
- yaz_log (LOG_LOG, "term=\"%s\" nn=%d type=%s count=%d",
+ {
+ if (est>0)
+ rset->rset_terms[i]->count =
+ est=(zint)(rset->rset_terms[i]->count/ratio);
+ yaz_log (LOG_LOG, "term=\"%s\" nn=" ZINT_FORMAT
+ " type=%s count=" ZINT_FORMAT,
rset->rset_terms[i]->name,
rset->rset_terms[i]->nn,
rset->rset_terms[i]->flags,
rset->rset_terms[i]->count);
+ }
- yaz_log (LOG_LOG, "%d keys, %d distinct sysnos", kno, zebraSet->hits);
+ yaz_log (LOG_LOG, ZINT_FORMAT " keys, "ZINT_FORMAT" distinct sysnos",
+ kno, zebraSet->hits);
}
ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name)
projects / idzebra-moved-to-github.git / blobdiff