-/* $Id: retrieve.c,v 1.80 2007-12-04 12:52:33 adam Exp $
+/* $Id: retrieve.c,v 1.82 2007-12-05 09:55:57 adam Exp $
Copyright (C) 1995-2007
Index Data ApS
struct index_spec {
const char *index_name;
const char *index_type;
+ const char *extra;
struct index_spec *next;
};
struct index_spec *spec = nmem_malloc(nmem, sizeof(*spec));
spec->index_type = 0;
spec->next = 0;
+ spec->extra = 0;
if (!first)
first = spec;
cp++;
cp0 = cp;
- while (*cp != '\0' && *cp != ',')
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
cp++;
spec->index_type = nmem_strdupn(nmem, cp0, cp - cp0);
}
+ if (*cp == ':') /* extra arguments */
+ {
+ cp++;
+ cp0 = cp;
+
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
+ cp++;
+ spec->extra = nmem_strdupn(nmem, cp0, cp - cp0);
+ }
if (*cp != ',')
break;
}
return hits;
}
+int term_qsort_handle(const void *a, const void *b)
+{
+ const struct term_collect *l = a;
+ const struct term_collect *r = b;
+ if (l->set_occur < r->set_occur)
+ return 1;
+ else if (l->set_occur > r->set_occur)
+ return -1;
+ else
+ {
+ const char *lterm = l->term ? l->term : "";
+ const char *rterm = r->term ? r->term : "";
+ return strcmp(lterm, rterm);
+ }
+}
+
void term_collect_freq(ZebraHandle zh,
struct term_collect *col, int no_terms_collect,
int ord, RSET rset)
if (col[i].term)
col[i].set_occur = freq_term(zh, ord, col[i].term, rset);
}
+ qsort(col, no_terms_collect, sizeof(*col), term_qsort_handle);
}
struct term_collect *term_collect_create(zebra_strmap_t sm,
it = zebra_strmap_it_create(sm);
while ((term = zebra_strmap_it_next(it, &data_buf, &data_len)))
{
+ /* invariant:
+ col[0] has lowest oc . col[no_terms_collect-1] has highest oc */
int oc = *(int*) data_buf;
int j = 0;
/* insertion may be slow but terms terms will be "infrequent" and
- thus number of iterations should be small below */
+ thus number of iterations should be small below
+ */
while (j < no_terms_collect && oc > col[j].oc)
j++;
- if (j)
- {
+ if (j)
+ { /* oc <= col[j] and oc > col[j-1] */
--j;
memmove(col, col+1, sizeof(*col) * j);
col[j].term = term;
zint *pos_array;
int i;
int num_recs = 10; /* number of records to analyze */
- int no_collect_terms = 20; /* number of term candidates */
ZebraMetaRecord *poset;
ZEBRA_RES ret = ZEBRA_OK;
int *ord_array;
{
int j;
NMEM nmem = nmem_create();
- struct term_collect *col = term_collect_create(map_array[i],
- no_collect_terms,
- nmem);
+ struct term_collect *col;
+ int no_collect_terms = 20;
+
+ if (spec->extra)
+ no_collect_terms = atoi(spec->extra);
+ if (no_collect_terms < 1)
+ no_collect_terms = 1;
+ col = term_collect_create(map_array[i], no_collect_terms, nmem);
term_collect_freq(zh, col, no_collect_terms, ord_array[i],
resultSetRef(zh, setname));