X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Fretrieve.c;h=4ff858610229c1edd5d5f531485a26dbd9ac0e42;hp=3e50ae55ac941b3f196356f30fb76141b4098bd9;hb=cd02e9c5558d2f0db2ab83fcad810a6522fd2319;hpb=95a5868bb03e3445b1e234a969358b6eaa74a49c
diff --git a/index/retrieve.c b/index/retrieve.c
index 3e50ae5..4ff8586 100644
--- a/index/retrieve.c
+++ b/index/retrieve.c
@@ -1,8 +1,5 @@
-/* $Id: retrieve.c,v 1.79 2007-12-03 13:34:17 adam Exp $
- Copyright (C) 1995-2007
- Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1995-2008 Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
@@ -43,13 +40,22 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#define ZEBRA_XML_HEADER_STR "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
@@ -75,11 +81,12 @@ static int zebra_create_record_stream(ZebraHandle zh,
}
return 0;
}
-
+
struct index_spec {
const char *index_name;
const char *index_type;
+ const char *extra;
struct index_spec *next;
};
@@ -103,6 +110,7 @@ struct index_spec *parse_index_spec(const char *elem, NMEM nmem,
struct index_spec *spec = nmem_malloc(nmem, sizeof(*spec));
spec->index_type = 0;
spec->next = 0;
+ spec->extra = 0;
if (!first)
first = spec;
@@ -119,10 +127,19 @@ struct index_spec *parse_index_spec(const char *elem, NMEM nmem,
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;
}
@@ -177,11 +194,11 @@ static int parse_zebra_elem(const char *elem,
}
-int zebra_special_sort_fetch(ZebraHandle zh, zint sysno, ODR odr,
- const char *elemsetname,
- const Odr_oid *input_format,
- const Odr_oid **output_format,
- char **rec_bufp, int *rec_lenp)
+static int sort_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
{
const char *retrieval_index;
size_t retrieval_index_len;
@@ -190,17 +207,8 @@ int zebra_special_sort_fetch(ZebraHandle zh, zint sysno, ODR odr,
char retrieval_index_cstr[256];
char retrieval_type_cstr[256];
int ord;
+ ZebraHandle zh = fi->zh;
- /* only accept XML and SUTRS requests */
- if (oid_oidcmp(input_format, yaz_oid_recsyn_xml)
- && oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
- {
- yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
- elemsetname);
- *output_format = 0;
- return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- }
-
if (!parse_zebra_elem(elemsetname,
&retrieval_index, &retrieval_index_len,
&retrieval_type, &retrieval_type_len))
@@ -230,57 +238,76 @@ int zebra_special_sort_fetch(ZebraHandle zh, zint sysno, ODR odr,
return -1; /* is not a sort index */
else
{
- char dst_buf[IT_MAX_WORD];
- char str[IT_MAX_WORD];
+ WRBUF wrbuf_str = wrbuf_alloc();
const char *index_type;
const char *db = 0;
const char *string_index = 0;
- WRBUF wrbuf = wrbuf_alloc();
+ WRBUF wrbuf_result = result;
+ int off = 0;
- zebra_sort_sysno(zh->reg->sort_index, sysno);
- zebra_sort_type(zh->reg->sort_index, ord);
- zebra_sort_read(zh->reg->sort_index, str);
-
- zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, &string_index);
-
- zebra_term_untrans(zh, index_type, dst_buf, str);
-
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
+ &string_index);
if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
*output_format = yaz_oid_recsyn_xml;
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ wrbuf_printf(wrbuf_result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\""
" set=\"zebra::index%s/\">\n",
- sysno, elemsetname);
-
- wrbuf_printf(wrbuf, " ", index_type);
- wrbuf_xmlputs(wrbuf, dst_buf);
- wrbuf_printf(wrbuf, "\n");
- wrbuf_printf(wrbuf, "\n");
+ fi->sysno, elemsetname);
}
else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
*output_format = yaz_oid_recsyn_sutrs;
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ *output_format = 0;
+ wrbuf_destroy(wrbuf_str);
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+ zebra_sort_type(zh->reg->sort_index, ord);
+ zebra_sort_sysno(zh->reg->sort_index, fi->sysno);
+ zebra_sort_read(zh->reg->sort_index, wrbuf_str);
+
+ while (off != wrbuf_len(wrbuf_str))
+ {
+ char dst_buf[IT_MAX_WORD];
+ assert(off < wrbuf_len(wrbuf_str));
+ zebra_term_untrans(zh, index_type, dst_buf,
+ wrbuf_buf(wrbuf_str)+off);
- wrbuf_printf(wrbuf, "%s %s %s\n", string_index, index_type,
- dst_buf);
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf_result, " ", index_type);
+ wrbuf_xmlputs(wrbuf_result, dst_buf);
+ wrbuf_printf(wrbuf_result, "\n");
+ }
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
+ {
+ wrbuf_printf(wrbuf_result, "%s %s %s\n", string_index, index_type,
+ dst_buf);
+ }
+ off += strlen(wrbuf_buf(wrbuf_str)+off) + 1;
+ }
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf_result, "\n");
}
- *rec_lenp = wrbuf_len(wrbuf);
- *rec_bufp = odr_malloc(odr, *rec_lenp);
- memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp);
- wrbuf_destroy(wrbuf);
+ wrbuf_destroy(wrbuf_str);
return 0;
}
}
-int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
- Record rec,
- const char *elemsetname,
- const Odr_oid *input_format,
- const Odr_oid **output_format,
- char **rec_bufp, int *rec_lenp)
+static int special_index_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo,
+ Record rec)
{
const char *retrieval_index;
size_t retrieval_index_len;
@@ -289,6 +316,7 @@ int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
zebra_rec_keys_t keys;
int ret_code = 0;
char retrieval_type_cstr[256];
+ ZebraHandle zh = fi->zh;
/* set output variables before processing possible error states */
/* *rec_lenp = 0; */
@@ -345,7 +373,7 @@ int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
size_t slen;
const char *str;
struct it_key key_in;
- WRBUF wrbuf = wrbuf_alloc();
+ WRBUF wrbuf = result;
if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
@@ -353,7 +381,7 @@ int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\""
" set=\"zebra::index%s/\">\n",
- sysno, elemsetname);
+ fi->sysno, elemsetname);
}
else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
*output_format = input_format;
@@ -383,36 +411,35 @@ int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
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, " ",
- key_in.mem[key_in.len -1]);
+ wrbuf_printf(wrbuf, " \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, "\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");
+
}
}
@@ -420,10 +447,6 @@ int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
}
if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
wrbuf_printf(wrbuf, "\n");
- *rec_lenp = wrbuf_len(wrbuf);
- *rec_bufp = odr_malloc(odr, *rec_lenp);
- memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp);
- wrbuf_destroy(wrbuf);
}
zebra_rec_keys_close(keys);
return ret_code;
@@ -540,28 +563,28 @@ int zebra_get_rec_snippets(ZebraHandle zh, zint sysno,
return return_code;
}
-static int snippet_fetch(ZebraHandle zh, const char *setname,
- zint sysno, ODR odr,
- const char *elemsetname,
- const Odr_oid *input_format,
- const Odr_oid **output_format,
- char **rec_bufp, int *rec_lenp)
+static int snippet_fetch(
+ struct special_fetch_s *fi, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
{
+ ZebraHandle zh = fi->zh;
zebra_snippets *rec_snippets = zebra_snippets_create();
- int return_code = zebra_get_rec_snippets(zh, sysno, rec_snippets);
+ int return_code = zebra_get_rec_snippets(zh, fi->sysno, rec_snippets);
if (!return_code)
{
- WRBUF wrbuf = wrbuf_alloc();
+ WRBUF wrbuf = result;
zebra_snippets *hit_snippet = zebra_snippets_create();
- zebra_snippets_hit_vector(zh, setname, sysno, hit_snippet);
+ zebra_snippets_hit_vector(zh, fi->setname, fi->sysno, hit_snippet);
#if 0
/* for debugging purposes */
yaz_log(YLOG_LOG, "---------------------------");
yaz_log(YLOG_LOG, "REC SNIPPET:");
- zebra_snippets_log(rec_snippet, YLOG_LOG, 1);
+ zebra_snippets_log(rec_snippets, YLOG_LOG, 1);
yaz_log(YLOG_LOG, "---------------------------");
yaz_log(YLOG_LOG, "HIT SNIPPET:");
zebra_snippets_log(hit_snippet, YLOG_LOG, 1);
@@ -578,12 +601,6 @@ static int snippet_fetch(ZebraHandle zh, const char *setname,
*output_format = yaz_oid_recsyn_xml;
- if (return_code == 0)
- {
- *rec_lenp = wrbuf_len(wrbuf);
- *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf));
- }
- wrbuf_destroy(wrbuf);
zebra_snippets_destroy(hit_snippet);
}
zebra_snippets_destroy(rec_snippets);
@@ -596,7 +613,7 @@ struct term_collect {
zint set_occur;
};
-zint freq_term(ZebraHandle zh, int ord, const char *term, RSET rset_set)
+static zint freq_term(ZebraHandle zh, int ord, const char *term, RSET rset_set)
{
struct rset_key_control *kc = zebra_key_control_create(zh);
char ord_buf[IT_MAX_WORD];
@@ -629,9 +646,25 @@ zint freq_term(ZebraHandle zh, int ord, const char *term, RSET rset_set)
return hits;
}
-void term_collect_freq(ZebraHandle zh,
- struct term_collect *col, int no_terms_collect,
- int ord, RSET rset)
+static 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);
+ }
+}
+
+static void term_collect_freq(ZebraHandle zh,
+ struct term_collect *col, int no_terms_collect,
+ int ord, RSET rset)
{
int i;
for (i = 0; i < no_terms_collect; i++)
@@ -639,11 +672,12 @@ void term_collect_freq(ZebraHandle zh,
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,
- int no_terms_collect,
- NMEM nmem)
+static struct term_collect *term_collect_create(zebra_strmap_t sm,
+ int no_terms_collect,
+ NMEM nmem)
{
const char *term;
void *data_buf;
@@ -662,14 +696,17 @@ 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;
@@ -680,32 +717,245 @@ struct term_collect *term_collect_create(zebra_strmap_t sm,
return col;
}
-static ZEBRA_RES facet_fetch(ZebraHandle zh, const char *setname,
- ODR odr,
- const char *elemsetname,
- const Odr_oid *input_format,
- const Odr_oid **output_format,
- char **rec_bufp, int *rec_lenp)
+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, " \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, " ");
+ wrbuf_xmlputs(wr, dst_buf);
+ wrbuf_printf(wr, "\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, " \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,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
{
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;
- WRBUF wr = wrbuf_alloc();
-
+ 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);
- spec_list = parse_index_spec(elemsetname, odr_getmem(odr), &error);
+ /* 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, fi->nmem, &error);
if (!spec_list || error)
+ {
return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
-
+ }
+
for (spec = spec_list; spec; spec = spec->next)
{
if (!spec->index_type)
@@ -713,200 +963,119 @@ static ZEBRA_RES facet_fetch(ZebraHandle zh, const char *setname,
no_ord++;
}
- ord_array = odr_malloc(odr, sizeof(*ord_array) * 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 *) xmalloc(num_recs * sizeof(*pos_array));
+ pos_array = (zint *) nmem_malloc(fi->nmem, 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);
+ poset = zebra_meta_records_create(zh, fi->setname, num_recs, pos_array);
if (!poset)
{
- zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
- setname);
- xfree(pos_array);
- ret = ZEBRA_FAIL;
+ wrbuf_puts(addinfo, fi->setname);
+ return YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
}
else
{
- zebra_strmap_t *map_array
- = odr_malloc(odr, 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++)
+ if (use_xml)
{
- 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, setname,
- poset[i].sysno,
- sysnos, &no_sysnos);
- assert(no_sysnos > 0);
- for (j = 0; j < no_sysnos; 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);
-
- 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);
- }
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR ">\n");
}
- wrbuf_puts(wr, "\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);
- term_collect_freq(zh, col, no_collect_terms, ord_array[i],
- resultSetRef(zh, setname));
-
- wrbuf_printf(wr, " \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, " ");
- wrbuf_xmlputs(wr, dst_buf);
- wrbuf_printf(wr, "\n");
- }
- }
- wrbuf_puts(wr, " \n");
- nmem_destroy(nmem);
- }
- wrbuf_puts(wr, "\n");
- for (i = 0; i < no_ord; i++)
- zebra_strmap_destroy(map_array[i]);
+ ret = perform_facet(zh, fi, result, num_recs, poset,
+ spec_list, no_ord, ord_array, use_xml,
+ cat);
+ if (use_xml)
+ wrbuf_puts(result, "\n");
}
-
-
- *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;
}
-int zebra_special_fetch(ZebraHandle zh, const char *setname,
- zint sysno, int score, ODR odr,
- const char *elemsetname,
- const Odr_oid *input_format,
- const Odr_oid **output_format,
- char **rec_bufp, int *rec_lenp)
+
+static int zebra_special_fetch(
+ void *handle, const char *elemsetname,
+ const Odr_oid *input_format,
+ const Odr_oid **output_format,
+ WRBUF result, WRBUF addinfo)
{
- Record rec;
+ Record rec = 0;
+ struct special_fetch_s *fi = (struct special_fetch_s *) handle;
+ ZebraHandle zh = fi->zh;
+ zint sysno = fi->sysno;
- /* set output variables before processing possible error states */
- /* *rec_lenp = 0; */
-
+ /* processing zebra::facet */
if (elemsetname && 0 == strncmp(elemsetname, "facet", 5))
{
- return facet_fetch(zh, setname, odr,
- elemsetname + 5,
+ return facet_fetch(fi, elemsetname + 5,
input_format, output_format,
- rec_bufp, rec_lenp);
+ result, addinfo);
}
if (elemsetname && 0 == strcmp(elemsetname, "snippet"))
{
- return snippet_fetch(zh, setname, sysno, odr,
- elemsetname + 7,
+ return snippet_fetch(fi, elemsetname + 7,
input_format, output_format,
- rec_bufp, rec_lenp);
+ result, addinfo);
}
- /* processing zebra::meta::sysno elemset without fetching binary data */
+ /* processing zebra::meta::sysno */
if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno"))
{
int ret = 0;
- WRBUF wrbuf = wrbuf_alloc();
if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
- wrbuf_printf(wrbuf, ZINT_FORMAT, sysno);
+ wrbuf_printf(result, ZINT_FORMAT, fi->sysno);
*output_format = input_format;
}
else if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\"/>\n",
- sysno);
+ fi->sysno);
*output_format = input_format;
}
- *rec_lenp = wrbuf_len(wrbuf);
- if (*rec_lenp)
- *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf));
else
ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- wrbuf_destroy(wrbuf);
return ret;
}
/* processing special elementsetname zebra::index:: for sort elements */
if (elemsetname && 0 == strncmp(elemsetname, "index", 5))
{
- int ret = zebra_special_sort_fetch(zh, sysno, odr,
- elemsetname + 5,
- input_format, output_format,
- rec_bufp, rec_lenp);
+ int ret = sort_fetch(
+ fi, elemsetname + 5,
+ input_format, output_format,
+ result, addinfo);
if (ret != -1)
return ret;
/* not a sort index so we continue to get the full record */
@@ -926,46 +1095,39 @@ int zebra_special_fetch(ZebraHandle zh, const char *setname,
{
struct ZebraRecStream stream;
RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ char *b;
+
zebra_create_record_stream(zh, &rec, &stream);
*output_format = input_format;
- *rec_lenp = recordAttr->recordSize;
- *rec_bufp = (char *) odr_malloc(odr, *rec_lenp);
- stream.readf(&stream, *rec_bufp, *rec_lenp);
+
+ b = nmem_malloc(fi->nmem, recordAttr->recordSize);
+ stream.readf(&stream, b, recordAttr->recordSize);
+ wrbuf_write(result, b, recordAttr->recordSize);
+
stream.destroy(&stream);
rec_free(&rec);
return 0;
}
- /* only accept XML and SUTRS requests from now */
- if (oid_oidcmp(input_format, yaz_oid_recsyn_xml)
- && oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
- {
- yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
- elemsetname);
- return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- }
-
-
/* processing special elementsetnames zebra::meta:: */
if (elemsetname && 0 == strcmp(elemsetname, "meta"))
{
int ret = 0;
- WRBUF wrbuf = wrbuf_alloc();
RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
{
*output_format = input_format;
- wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ wrbuf_printf(result, ZEBRA_XML_HEADER_STR
" sysno=\"" ZINT_FORMAT "\"", sysno);
- retrieve_puts_attr(wrbuf, "base", rec->info[recInfo_databaseName]);
- retrieve_puts_attr(wrbuf, "file", rec->info[recInfo_filename]);
- retrieve_puts_attr(wrbuf, "type", rec->info[recInfo_fileType]);
- if (score >= 0)
- retrieve_puts_attr_int(wrbuf, "score", score);
+ retrieve_puts_attr(result, "base", rec->info[recInfo_databaseName]);
+ retrieve_puts_attr(result, "file", rec->info[recInfo_filename]);
+ retrieve_puts_attr(result, "type", rec->info[recInfo_fileType]);
+ if (fi->score >= 0)
+ retrieve_puts_attr_int(result, "score", fi->score);
- wrbuf_printf(wrbuf,
+ wrbuf_printf(result,
" rank=\"" ZINT_FORMAT "\""
" size=\"%i\""
" set=\"zebra::%s\"/>\n",
@@ -976,14 +1138,14 @@ int zebra_special_fetch(ZebraHandle zh, const char *setname,
else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
{
*output_format = input_format;
- wrbuf_printf(wrbuf, "sysno " ZINT_FORMAT "\n", sysno);
- retrieve_puts_str(wrbuf, "base", rec->info[recInfo_databaseName]);
- retrieve_puts_str(wrbuf, "file", rec->info[recInfo_filename]);
- retrieve_puts_str(wrbuf, "type", rec->info[recInfo_fileType]);
- if (score >= 0)
- retrieve_puts_int(wrbuf, "score", score);
-
- wrbuf_printf(wrbuf,
+ wrbuf_printf(result, "sysno " ZINT_FORMAT "\n", sysno);
+ retrieve_puts_str(result, "base", rec->info[recInfo_databaseName]);
+ retrieve_puts_str(result, "file", rec->info[recInfo_filename]);
+ retrieve_puts_str(result, "type", rec->info[recInfo_fileType]);
+ if (fi->score >= 0)
+ retrieve_puts_int(result, "score", fi->score);
+
+ wrbuf_printf(result,
"rank " ZINT_FORMAT "\n"
"size %i\n"
"set zebra::%s\n",
@@ -991,13 +1153,9 @@ int zebra_special_fetch(ZebraHandle zh, const char *setname,
recordAttr->recordSize,
elemsetname);
}
- *rec_lenp = wrbuf_len(wrbuf);
- if (*rec_lenp)
- *rec_bufp = odr_strdup(odr, wrbuf_cstr(wrbuf));
else
- ret = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
- wrbuf_destroy(wrbuf);
rec_free(&rec);
return ret;
}
@@ -1005,11 +1163,10 @@ int zebra_special_fetch(ZebraHandle zh, const char *setname,
/* processing special elementsetnames zebra::index:: */
if (elemsetname && 0 == strncmp(elemsetname, "index", 5))
{
- int ret = zebra_special_index_fetch(zh, sysno, odr, rec,
- elemsetname + 5,
- input_format, output_format,
- rec_bufp, rec_lenp);
-
+ int ret = special_index_fetch(
+ fi, elemsetname + 5,
+ input_format, output_format,
+ result, addinfo, rec);
rec_free(&rec);
return ret;
}
@@ -1019,14 +1176,13 @@ int zebra_special_fetch(ZebraHandle zh, const char *setname,
return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
}
-
int zebra_record_fetch(ZebraHandle zh, const char *setname,
zint sysno, int score,
ODR odr,
const Odr_oid *input_format, Z_RecordComposition *comp,
const Odr_oid **output_format,
char **rec_bufp, int *rec_lenp, char **basenamep,
- char **addinfo)
+ WRBUF addinfo_w)
{
Record rec;
char *fname, *file_type, *basename;
@@ -1038,6 +1194,7 @@ int zebra_record_fetch(ZebraHandle zh, const char *setname,
zint sysnos[MAX_SYSNOS_PER_RECORD];
int no_sysnos = MAX_SYSNOS_PER_RECORD;
ZEBRA_RES res;
+ struct special_fetch_s fetch_info;
res = zebra_result_recid_to_sysno(zh, setname, sysno, sysnos, &no_sysnos);
if (res != ZEBRA_OK)
@@ -1045,16 +1202,29 @@ int zebra_record_fetch(ZebraHandle zh, const char *setname,
sysno = sysnos[0];
*basenamep = 0;
- *addinfo = 0;
elemsetname = yaz_get_esn(comp);
+ fetch_info.zh = zh;
+ fetch_info.setname = setname;
+ fetch_info.sysno = sysno;
+ fetch_info.score = score;
+ fetch_info.nmem = odr->mem;
+
/* processing zebra special elementset names of form 'zebra:: */
if (elemsetname && 0 == strncmp(elemsetname, "zebra::", 7))
- return zebra_special_fetch(zh, setname, sysno, score, odr,
- elemsetname + 7,
+ {
+ WRBUF result = wrbuf_alloc();
+ int r = zebra_special_fetch(&fetch_info, elemsetname + 7,
input_format, output_format,
- rec_bufp, rec_lenp);
-
+ result, addinfo_w);
+ if (r == 0)
+ {
+ *rec_bufp = odr_strdup(odr, wrbuf_cstr(result));
+ *rec_lenp = wrbuf_len(result);
+ }
+ wrbuf_destroy(result);
+ return r;
+ }
/* processing all other element set names */
rec = rec_get(zh->reg->records, sysno);
@@ -1100,16 +1270,14 @@ int zebra_record_fetch(ZebraHandle zh, const char *setname,
retrieveCtrl.res = zh->res;
retrieveCtrl.rec_buf = 0;
retrieveCtrl.rec_len = -1;
+ retrieveCtrl.handle = &fetch_info;
+ retrieveCtrl.special_fetch = zebra_special_fetch;
if (!(rt = recType_byName(zh->reg->recTypes, zh->res,
file_type, &clientData)))
{
- char addinfo_str[100];
-
- sprintf(addinfo_str, "Could not handle record type %.40s",
- file_type);
-
- *addinfo = odr_strdup(odr, addinfo_str);
+ wrbuf_printf(addinfo_w, "Could not handle record type %.40s",
+ file_type);
return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
else
@@ -1120,7 +1288,8 @@ int zebra_record_fetch(ZebraHandle zh, const char *setname,
*output_format = retrieveCtrl.output_format;
*rec_bufp = (char *) retrieveCtrl.rec_buf;
*rec_lenp = retrieveCtrl.rec_len;
- *addinfo = retrieveCtrl.addinfo;
+ if (retrieveCtrl.addinfo)
+ wrbuf_puts(addinfo_w, retrieveCtrl.addinfo);
}
stream.destroy(&stream);