-/* $Id: retrieve.c,v 1.78 2007-12-03 13:04:04 adam Exp $
+/* $Id: retrieve.c,v 1.85 2008-03-05 09:21:48 adam Exp $
Copyright (C) 1995-2007
Index Data ApS
{
RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, *rec);
- if ((*rec)->size[recInfo_storeData] > 0)
+ if ((*rec)->size[recInfo_storeData] > 0
+ || (*rec)->info[recInfo_filename] == 0)
zebra_create_stream_mem(stream, (*rec)->info[recInfo_storeData],
(*rec)->size[recInfo_storeData]);
else
}
return 0;
}
-
+
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;
}
if (retrieval_type == 0
|| !strcmp(retrieval_type_cstr, index_type))
{
- zebra_term_untrans(zh, index_type, dst_buf, str);
- if (strlen(dst_buf))
+ if (zebra_term_untrans(zh, index_type, dst_buf, str))
+ *dst_buf = '\0'; /* untrans failed */
+
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
- if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
- {
- wrbuf_printf(wrbuf, " <index name=\"%s\"",
- string_index);
-
- wrbuf_printf(wrbuf, " type=\"%s\"", index_type);
-
- wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
- key_in.mem[key_in.len -1]);
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
- wrbuf_xmlputs(wrbuf, dst_buf);
- wrbuf_printf(wrbuf, "</index>\n");
- }
- else
- {
- wrbuf_printf(wrbuf, "%s ", string_index);
-
- wrbuf_printf(wrbuf, "%s", index_type);
-
- for (i = 1; i < key_in.len; i++)
- wrbuf_printf(wrbuf, " " ZINT_FORMAT,
+ wrbuf_printf(wrbuf, " type=\"%s\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else
+ {
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%s", index_type);
+
+ for (i = 1; i < key_in.len; i++)
+ wrbuf_printf(wrbuf, " " ZINT_FORMAT,
key_in.mem[i]);
-
- wrbuf_printf(wrbuf, " %s", dst_buf);
- wrbuf_printf(wrbuf, "\n");
- }
+ wrbuf_printf(wrbuf, " %s", dst_buf);
+
+ wrbuf_printf(wrbuf, "\n");
+
}
}
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 */
+ int max_chunks = 2;
ZebraMetaRecord *poset;
ZEBRA_RES ret = ZEBRA_OK;
int *ord_array;
WRBUF wr = wrbuf_alloc();
-
+ int use_xml = 0;
int no_ord = 0;
struct index_spec *spec, *spec_list;
int error;
+ res_get_int(zh->res, "facetNumRecs", &num_recs);
+ res_get_int(zh->res, "facetMaxChunks", &max_chunks);
+
+ /* see if XML is required for response */
+ if (oid_oidcmp(input_format, yaz_oid_recsyn_xml) == 0)
+ use_xml = 1;
spec_list = parse_index_spec(elemsetname, odr_getmem(odr), &error);
if (!spec_list || error)
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
-
+ {
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
+ }
+
for (spec = spec_list; spec; spec = spec->next)
{
if (!spec->index_type)
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ {
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
+ }
no_ord++;
}
spec->index_name);
if (ord == -1)
{
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
}
ord_array[i] = ord;
}
-
- pos_array = (zint *) xmalloc(num_recs * sizeof(*pos_array));
+ pos_array = (zint *) odr_malloc(odr, num_recs * sizeof(*pos_array));
for (i = 0; i < num_recs; i++)
pos_array[i] = i+1;
poset = zebra_meta_records_create(zh, setname, num_recs, pos_array);
{
zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
setname);
- xfree(pos_array);
ret = ZEBRA_FAIL;
}
else
{
+ yaz_timing_t timing = yaz_timing_create();
zebra_strmap_t *map_array
= odr_malloc(odr, sizeof *map_array * no_ord);
for (i = 0; i < no_ord; i++)
poset[i].sysno,
sysnos, &no_sysnos);
assert(no_sysnos > 0);
- for (j = 0; j < no_sysnos; j++)
+ yaz_log(YLOG_LOG, "Analyzing rec=%d ISAM sysno=" ZINT_FORMAT " chunks=%d",
+ i, poset[i].sysno, no_sysnos);
+ for (j = 0; j < no_sysnos && j < max_chunks; j++)
{
size_t slen;
const char *str;
zebra_rec_keys_t keys = zebra_rec_keys_open();
zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys],
rec->size[recInfo_delKeys], 0);
-
+
+ yaz_log(YLOG_LOG, "rec %d " ZINT_FORMAT " %s",
+ j, sysnos[j], zebra_rec_keys_empty(keys) ? "empty" : "non-empty");
if (zebra_rec_keys_rewind(keys))
{
while (zebra_rec_keys_read(keys, &str, &slen, &key_in))
i++, spec = spec->next)
{
int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
- if (ord == ord_array[i])
+ if (ord == ord_array[i] &&
+ str[0] != FIRST_IN_FIELD_CHAR)
{
int *freq;
zebra_strmap_t sm = map_array[i];
rec_free(&rec);
}
}
- wrbuf_puts(wr, "<facets>\n");
+ yaz_timing_stop(timing);
+ yaz_log(YLOG_LOG, "facet first phase real=%4.2f",
+ yaz_timing_get_real(timing));
+ yaz_timing_start(timing);
+ if (use_xml)
+ wrbuf_puts(wr, "<facets>\n");
for (spec = spec_list, i = 0; i < no_ord; i++, spec = spec->next)
{
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));
- wrbuf_printf(wr, " <facet type=\"%s\" index=\"%s\">\n",
- spec->index_type, spec->index_name);
+ if (use_xml)
+ wrbuf_printf(wr, " <facet type=\"%s\" index=\"%s\">\n",
+ spec->index_type, spec->index_name);
+ else
+ wrbuf_printf(wr, "facet %s %s\n",
+ spec->index_type, spec->index_name);
for (j = 0; j < no_collect_terms; j++)
{
if (col[j].term)
{
char dst_buf[IT_MAX_WORD];
zebra_term_untrans(zh, spec->index_type, dst_buf, col[j].term);
- wrbuf_printf(wr, " <term coccur=\"%d\"", col[j].oc);
- if (col[j].set_occur)
- wrbuf_printf(wr, " occur=\"" ZINT_FORMAT "\"",
- col[j].set_occur);
- wrbuf_printf(wr, ">");
- wrbuf_xmlputs(wr, dst_buf);
- wrbuf_printf(wr, "</term>\n");
+ if (use_xml)
+ {
+ wrbuf_printf(wr, " <term coccur=\"%d\"", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " occur=\"" ZINT_FORMAT "\"",
+ col[j].set_occur);
+ wrbuf_printf(wr, ">");
+ wrbuf_xmlputs(wr, dst_buf);
+ wrbuf_printf(wr, "</term>\n");
+ }
+ else
+ {
+ wrbuf_printf(wr, "term %d", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " " ZINT_FORMAT,
+ col[j].set_occur);
+ wrbuf_printf(wr, ": %s\n", dst_buf);
+ }
}
}
- wrbuf_puts(wr, " </facet>\n");
+ if (use_xml)
+ wrbuf_puts(wr, " </facet>\n");
nmem_destroy(nmem);
}
- wrbuf_puts(wr, "</facets>\n");
+ if (use_xml)
+ wrbuf_puts(wr, "</facets>\n");
for (i = 0; i < no_ord; i++)
zebra_strmap_destroy(map_array[i]);
+ yaz_timing_stop(timing);
+ yaz_log(YLOG_LOG, "facet second phase real=%4.2f",
+ yaz_timing_get_real(timing));
+ yaz_timing_destroy(&timing);
}
-
-
*rec_bufp = odr_strdup(odr, wrbuf_cstr(wr));
wrbuf_destroy(wr);
*rec_lenp = strlen(*rec_bufp);
*output_format = yaz_oid_recsyn_xml;
- xfree(pos_array);
zebra_meta_records_destroy(zh, poset, num_recs);
return ret;
}