return col;
}
+static int perform_facet_sort(ZebraHandle zh, int no_ord, int *ord_array,
+ zebra_strmap_t *map_array,
+ int num_recs, ZebraMetaRecord *poset)
+{
+ int rec_i;
+ WRBUF w = wrbuf_alloc();
+ int ord_i;
+
+ for (ord_i = 0; ord_i < no_ord; ord_i++)
+ {
+ for (rec_i = 0; rec_i < num_recs; rec_i++)
+ {
+ if (!poset[rec_i].sysno)
+ continue;
+
+ zebra_sort_sysno(zh->reg->sort_index, poset[rec_i].sysno);
+ zebra_sort_type(zh->reg->sort_index, ord_array[ord_i]);
+
+ wrbuf_rewind(w);
+ if (zebra_sort_read(zh->reg->sort_index, w))
+ {
+ zebra_strmap_t sm = map_array[ord_i];
+ int off = 0;
+ while (off != wrbuf_len(w))
+ {
+ const char *str = wrbuf_buf(w) + off;
+ int *freq = zebra_strmap_lookup(sm, str, 0, 0);
+ if (freq)
+ (*freq)++;
+ else
+ {
+ int v = 1;
+ zebra_strmap_add(sm, str, &v, sizeof v);
+ }
+ off += strlen(str)+1;
+ }
+ }
+ }
+ }
+ wrbuf_destroy(w);
+ return 0;
+}
+
+
+static int perform_facet_index(ZebraHandle zh,
+ struct special_fetch_s *fi,
+ int no_ord, int *ord_array,
+ zebra_strmap_t *map_array,
+ int num_recs, ZebraMetaRecord *poset,
+ struct index_spec *spec_list)
+{
+ int max_chunks = 2;
+ int rec_i;
+ res_get_int(zh->res, "facetMaxChunks", &max_chunks);
+
+ for (rec_i = 0; rec_i < num_recs; rec_i++)
+ {
+ int ret;
+ int j;
+ zint sysnos[MAX_SYSNOS_PER_RECORD];
+ int no_sysnos = MAX_SYSNOS_PER_RECORD;
+ if (!poset[rec_i].sysno)
+ continue;
+ ret = zebra_result_recid_to_sysno(zh, fi->setname,
+ poset[rec_i].sysno,
+ sysnos, &no_sysnos);
+ assert(no_sysnos > 0);
+ yaz_log(YLOG_DEBUG, "Analyzing rec=%d ISAM sysno=" ZINT_FORMAT " chunks=%d",
+ rec_i, poset[rec_i].sysno, no_sysnos);
+ for (j = 0; j < no_sysnos && j < max_chunks; j++)
+ {
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+ Record rec = rec_get(zh->reg->records, sysnos[j]);
+ 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_DEBUG, "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))
+ {
+ int ord_i;
+ struct index_spec *spec;
+ for (spec = spec_list, ord_i = 0; ord_i < no_ord;
+ ord_i++, spec = spec->next)
+ {
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
+ if (ord == ord_array[ord_i] &&
+ str[0] != FIRST_IN_FIELD_CHAR)
+ {
+ int *freq;
+ zebra_strmap_t sm = map_array[ord_i];
+
+ freq = zebra_strmap_lookup(sm, str, 0, 0);
+ if (freq)
+ (*freq)++;
+ else
+ {
+ int v = 1;
+ zebra_strmap_add(sm, str, &v, sizeof v);
+ }
+ }
+ }
+ }
+ }
+ zebra_rec_keys_close(keys);
+ rec_free(&rec);
+ }
+ }
+ return 0;
+}
+
+static int perform_facet(ZebraHandle zh,
+ struct special_fetch_s *fi,
+ WRBUF result,
+ int num_recs, ZebraMetaRecord *poset,
+ struct index_spec *spec_list,
+ int no_ord, int *ord_array,
+ int use_xml,
+ zinfo_index_category_t cat)
+{
+ int i;
+ int ret = 0;
+ WRBUF wr = result;
+ struct index_spec *spec;
+ yaz_timing_t timing = yaz_timing_create();
+ zebra_strmap_t *map_array
+ = nmem_malloc(fi->nmem, sizeof *map_array * no_ord);
+ for (i = 0; i < no_ord; i++)
+ map_array[i] = zebra_strmap_create();
+
+ if (cat == zinfo_index_category_sort)
+ perform_facet_sort(zh, no_ord, ord_array, map_array,
+ num_recs, poset);
+ else
+ perform_facet_index(zh, fi, no_ord, ord_array, map_array,
+ num_recs, poset, spec_list);
+ yaz_timing_stop(timing);
+ yaz_log(YLOG_LOG, "facet first phase real=%4.2f cat=%s",
+ yaz_timing_get_real(timing),
+ (cat == zinfo_index_category_sort) ? "sort" : "index");
+ yaz_timing_start(timing);
+ for (spec = spec_list, i = 0; i < no_ord; i++, spec = spec->next)
+ {
+ int j;
+ NMEM nmem = nmem_create();
+ 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, fi->setname));
+
+ 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);
+ 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);
+ }
+ }
+ }
+ if (use_xml)
+ wrbuf_puts(wr, " </facet>\n");
+ nmem_destroy(nmem);
+ }
+ 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);
+ return ret;
+}
+
static int facet_fetch(
struct special_fetch_s *fi, const char *elemsetname,
const Odr_oid *input_format,
zint *pos_array;
int i;
int num_recs = 10; /* number of records to analyze */
- int max_chunks = 2;
ZebraMetaRecord *poset;
ZEBRA_RES ret = ZEBRA_OK;
int *ord_array;
- WRBUF wr = result;
int use_xml = 0;
int no_ord = 0;
struct index_spec *spec, *spec_list;
int error;
ZebraHandle zh = fi->zh;
+ /* whether sort or index based */
+ zinfo_index_category_t cat = zinfo_index_category_sort;
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)
no_ord++;
}
+ /* try to see if all specs are sort based.. If not, try the
+ index based ones */
ord_array = nmem_malloc(fi->nmem, sizeof(*ord_array) * no_ord);
for (spec = spec_list, i = 0; spec; spec = spec->next, i++)
{
int ord = zebraExplain_lookup_attr_str(zh->reg->zei,
- zinfo_index_category_index,
+ zinfo_index_category_sort,
spec->index_type,
spec->index_name);
if (ord == -1)
+ break;
+ ord_array[i] = ord;
+ }
+ if (spec)
+ {
+ cat = zinfo_index_category_index;
+ for (spec = spec_list, i = 0; spec; spec = spec->next, i++)
{
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ int ord = zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_index,
+ spec->index_type,
+ spec->index_name);
+ if (ord == -1)
+ break;
+ ord_array[i] = ord;
+
}
- ord_array[i] = ord;
}
+ if (spec)
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+
pos_array = (zint *) nmem_malloc(fi->nmem, num_recs * sizeof(*pos_array));
for (i = 0; i < num_recs; i++)
pos_array[i] = i+1;
}
else
{
- yaz_timing_t timing = yaz_timing_create();
- zebra_strmap_t *map_array
- = nmem_malloc(fi->nmem, sizeof *map_array * no_ord);
- for (i = 0; i < no_ord; i++)
- map_array[i] = zebra_strmap_create();
-
- for (i = 0; i < num_recs; i++)
- {
- int j;
- zint sysnos[MAX_SYSNOS_PER_RECORD];
- int no_sysnos = MAX_SYSNOS_PER_RECORD;
- if (!poset[i].sysno)
- continue;
- ret = zebra_result_recid_to_sysno(zh, fi->setname,
- poset[i].sysno,
- sysnos, &no_sysnos);
- assert(no_sysnos > 0);
- yaz_log(YLOG_DEBUG, "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;
- struct it_key key_in;
- Record rec = rec_get(zh->reg->records, sysnos[j]);
- 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_DEBUG, "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))
- {
- int i;
- struct index_spec *spec;
- for (spec = spec_list, i = 0; i < no_ord;
- i++, spec = spec->next)
- {
- int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
- if (ord == ord_array[i] &&
- str[0] != FIRST_IN_FIELD_CHAR)
- {
- int *freq;
- zebra_strmap_t sm = map_array[i];
-
- freq = zebra_strmap_lookup(sm, str, 0, 0);
- if (freq)
- (*freq)++;
- else
- {
- int v = 1;
- zebra_strmap_add(sm, str, &v, sizeof v);
- }
- }
- }
- }
- }
- zebra_rec_keys_close(keys);
- rec_free(&rec);
- }
- }
- 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;
- 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, fi->setname));
-
- 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);
- 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);
- }
- }
- }
- if (use_xml)
- wrbuf_puts(wr, " </facet>\n");
- nmem_destroy(nmem);
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR ">\n");
}
+ ret = perform_facet(zh, fi, result, num_recs, poset,
+ spec_list, no_ord, ord_array, use_xml,
+ cat);
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);
+ wrbuf_puts(result, "</record>\n");
}
*output_format = yaz_oid_recsyn_xml;
zebra_meta_records_destroy(zh, poset, num_recs);