-/* $Id: zsets.c,v 1.82 2005-05-11 12:39:37 adam Exp $
+/* $Id: zsets.c,v 1.83 2005-05-24 11:35:42 adam Exp $
Copyright (C) 1995-2005
Index Data ApS
int use;
char *term;
};
+
struct zebra_set {
char *name;
RSET rset;
}
}
-ZebraMetaRecord *zebra_meta_records_create_range (ZebraHandle zh,
- const char *name,
- zint start, int num)
+ZebraMetaRecord *zebra_meta_records_create_range(ZebraHandle zh,
+ const char *name,
+ zint start, int num)
{
zint pos_small[10];
zint *pos = pos_small;
return mr;
}
-ZebraMetaRecord *zebra_meta_records_create (ZebraHandle zh, const char *name,
- int num, zint *positions)
+ZebraMetaRecord *zebra_meta_records_create(ZebraHandle zh, const char *name,
+ int num, zint *positions)
{
ZebraSet sset;
ZebraMetaRecord *sr = 0;
}
rset_close (rfd);
yaz_log(log_level_sort, ZINT_FORMAT " keys, " ZINT_FORMAT " sysnos, sort",
- kno, sset->hits);
+ kno, sset->hits);
for (i = 0; i < numTerms; i++)
yaz_log(log_level_sort, "term=\"%s\" type=%s count=" ZINT_FORMAT,
- terms[i]->name, terms[i]->flags, rset_count(terms[i]->rset));
+ terms[i]->name, terms[i]->flags, terms[i]->rset->hits_count);
*sort_status = Z_SortResponse_success;
return ZEBRA_OK;
}
-RSET resultSetRef (ZebraHandle zh, const char *resultSetId)
+RSET resultSetRef(ZebraHandle zh, const char *resultSetId)
{
ZebraSet s;
return NULL;
}
-ZEBRA_RES resultSetRank (ZebraHandle zh, ZebraSet zebraSet,
- RSET rset, NMEM nmem)
+ZEBRA_RES resultSetRank(ZebraHandle zh, ZebraSet zebraSet,
+ RSET rset, NMEM nmem)
{
- zint kno = 0;
struct it_key key;
- RSFD rfd;
TERMID termid;
TERMID *terms;
+ zint kno = 0;
int numTerms = 0;
int n = 0;
int 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;
if (!log_level_set)
loglevels();
sort_info->num_entries = 0;
zebraSet->hits = 0;
rset_getterms(rset, 0, 0, &n);
- yaz_log(YLOG_LOG, "Got %d terms", n);
terms = (TERMID *) nmem_malloc(nmem, sizeof(*terms)*n);
rset_getterms(rset, terms, n, &numTerms);
- rfd = rset_open (rset, RSETF_READ);
-
- rank_class = zebraRankLookup (zh, rank_handler_name);
+ rank_class = zebraRankLookup(zh, rank_handler_name);
if (!rank_class)
{
yaz_log(YLOG_WARN, "No such rank handler: %s", rank_handler_name);
zebra_setError(zh, YAZ_BIB1_UNSUPP_SEARCH, "Cannot find rank handler");
return ZEBRA_FAIL;
}
- rc = rank_class->control;
-
- if (rset_read (rfd, &key, &termid))
+ else
{
- zint psysno = key.mem[0];
- int score;
- void *handle =
- (*rc->begin) (zh->reg, rank_class->class_handle, rset, nmem,
- terms, numTerms);
- (zebraSet->hits)++;
- esthits = atoi(res_get_def(zh->res, "estimatehits","0"));
- if (!esthits)
- est = -1; /* can not do */
- do
- {
- zint this_sys = key.mem[0]; /* FIXME - assumes scope==2 */
- zint seqno = key.mem[key.len-1]; /* FIXME - assumes scope==2 */
- kno++;
- key_logdump_txt(log_level_searchhits,&key," Got hit");
- if (this_sys != psysno)
- {
- score = (*rc->calc) (handle, psysno);
-
- resultSetInsertRank (zh, sort_info, psysno, score, 'A');
- (zebraSet->hits)++;
- psysno = this_sys;
- }
- (*rc->add) (handle, CAST_ZINT_TO_INT(seqno), termid);
-
- if ((est==-2) && (zebraSet->hits==esthits))
- { /* time to estimate the hits */
- rset_pos(rfd,&cur,&tot);
- if (tot>0) {
- ratio = cur/tot;
- est = (zint)(0.5+zebraSet->hits/ratio);
- yaz_log(log_level_searchhits, "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 (rfd, &key,&termid) && (est<0) );
- score = (*rc->calc)(handle, psysno);
- resultSetInsertRank(zh, sort_info, psysno, score, 'A');
- (*rc->end) (zh->reg, handle);
+ RSFD rfd = rset_open(rset, RSETF_READ);
+ struct rank_control *rc = rank_class->control;
+ double score;
+
+ void *handle =
+ (*rc->begin) (zh->reg, rank_class->class_handle, rset, nmem,
+ terms, numTerms);
+ zint psysno = 0;
+ while (rset_read(rfd, &key, &termid))
+ {
+ zint this_sys = key.mem[0];
+ zint seqno = key.mem[key.len-1];
+ kno++;
+ key_logdump_txt(log_level_searchhits, &key, " Got hit");
+ if (this_sys != psysno)
+ {
+ if (rfd->counted_items >= rset->hits_limit)
+ break;
+ if (psysno)
+ {
+ score = (*rc->calc) (handle, psysno);
+ resultSetInsertRank (zh, sort_info, psysno, score, 'A');
+ }
+ psysno = this_sys;
+ }
+ (*rc->add) (handle, CAST_ZINT_TO_INT(seqno), termid);
+ }
+ if (psysno)
+ {
+ score = (*rc->calc)(handle, psysno);
+ resultSetInsertRank(zh, sort_info, psysno, score, 'A');
+ }
+ (*rc->end) (zh->reg, handle);
+ rset_close (rfd);
}
- rset_close (rfd);
-
+ zebraSet->hits = rset->hits_count;
+
yaz_log(log_level_searchterms, ZINT_FORMAT " keys, "
ZINT_FORMAT " sysnos, rank", kno, zebraSet->hits);
for (i = 0; i < numTerms; i++)
{
yaz_log(log_level_searchterms, "term=\"%s\" type=%s count="
ZINT_FORMAT,
- terms[i]->name, terms[i]->flags, rset_count(terms[i]->rset));
+ terms[i]->name, terms[i]->flags, terms[i]->rset->hits_count);
}
return ZEBRA_OK;
}
-ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name)
+ZebraRankClass zebraRankLookup(ZebraHandle zh, const char *name)
{
ZebraRankClass p = zh->reg->rank_classes;
while (p && strcmp (p->control->name, name))
return p;
}
-void zebraRankInstall (struct zebra_register *reg, struct rank_control *ctrl)
+void zebraRankInstall(struct zebra_register *reg, struct rank_control *ctrl)
{
ZebraRankClass p = (ZebraRankClass) xmalloc (sizeof(*p));
p->control = (struct rank_control *) xmalloc (sizeof(*p->control));
reg->rank_classes = p;
}
-void zebraRankDestroy (struct zebra_register *reg)
+void zebraRankDestroy(struct zebra_register *reg)
{
ZebraRankClass p = reg->rank_classes;
while (p)
}
reg->rank_classes = NULL;
}
+
+static int trav_rset_for_termids(RSET rset, TERMID *termid_array,
+ zint *hits_array, int *approx_array)
+{
+ int no = 0;
+ int i;
+ for (i = 0; i<rset->no_children; i++)
+ no += trav_rset_for_termids(rset->children[i],
+ (termid_array ? termid_array + no : 0),
+ (hits_array ? hits_array + no : 0),
+ (approx_array ? approx_array + no : 0));
+ if (rset->term)
+ {
+ if (termid_array)
+ termid_array[no] = rset->term;
+ if (hits_array)
+ hits_array[no] = rset->hits_count;
+ if (approx_array)
+ approx_array[no] = rset->hits_approx;
+#if 0
+ yaz_log(YLOG_LOG, "rset=%p term=%s count=" ZINT_FORMAT,
+ rset, rset->term->name, rset->hits_count);
+#endif
+ no++;
+ }
+ return no;
+}
+
+ZEBRA_RES zebra_result_set_term_no(ZebraHandle zh, const char *setname,
+ int *num_terms)
+{
+ ZebraSet sset = resultSetGet(zh, setname);
+ *num_terms = 0;
+ if (sset)
+ {
+ *num_terms = trav_rset_for_termids(sset->rset, 0, 0, 0);
+ return ZEBRA_OK;
+ }
+ return ZEBRA_FAIL;
+}
+
+ZEBRA_RES zebra_result_set_term_info(ZebraHandle zh, const char *setname,
+ int no, zint *count, int *approx,
+ char *termbuf, size_t *termlen)
+{
+ ZebraSet sset = resultSetGet(zh, setname);
+ if (sset)
+ {
+ int num_terms = trav_rset_for_termids(sset->rset, 0, 0, 0);
+ if (no >= 0 && no < num_terms)
+ {
+ TERMID *term_array = xmalloc(num_terms * sizeof(*term_array));
+ zint *hits_array = xmalloc(num_terms * sizeof(*hits_array));
+ int *approx_array = xmalloc(num_terms * sizeof(*approx_array));
+
+ trav_rset_for_termids(sset->rset, term_array,
+ hits_array, approx_array);
+
+ if (count)
+ *count = hits_array[no];
+ if (approx)
+ *approx = approx_array[no];
+ if (termbuf)
+ {
+ char *inbuf = term_array[no]->name;
+ size_t inleft = strlen(inbuf);
+ size_t outleft = *termlen - 1;
+
+ if (zh->iconv_from_utf8 != 0)
+ {
+ char *outbuf = termbuf;
+ size_t ret;
+
+ ret = yaz_iconv(zh->iconv_from_utf8, &inbuf, &inleft,
+ &outbuf, &outleft);
+ if (ret == (size_t)(-1))
+ *termlen = 0;
+ else
+ *termlen = outbuf - termbuf;
+ }
+ else
+ {
+ if (inleft > outleft)
+ inleft = outleft;
+ *termlen = inleft;
+ memcpy(termbuf, inbuf, *termlen);
+ }
+ termbuf[*termlen] = '\0';
+ }
+
+ xfree(term_array);
+ xfree(hits_array);
+ xfree(approx_array);
+ return ZEBRA_OK;
+ }
+ }
+ return ZEBRA_FAIL;
+}
projects / idzebra-moved-to-github.git / blobdiff