#include <yaz/oid_db.h>
#include <yaz/snprintf.h>
-#define USE_TIMING 0
+#define USE_TIMING 1
#if USE_TIMING
#include <yaz/timing.h>
#endif
prt = pp2_charset_token_create(service->charsets, icu_chain_id);
if (!prt)
{
- yaz_log(YLOG_FATAL, "Unknown ICU chain '%s' for facet of type '%s'",
+ session_log(s, YLOG_FATAL,
+ "Unknown ICU chain '%s' for facet of type '%s'",
icu_chain_id, type);
wrbuf_destroy(facet_wrbuf);
wrbuf_destroy(display_wrbuf);
static void session_clear_set(struct session *se, struct reclist_sortparms *sp)
{
reclist_destroy(se->reclist);
- se->reclist = 0;
if (nmem_total(se->nmem))
session_log(se, YLOG_DEBUG, "NMEN operation usage %zd",
nmem_total(se->nmem));
int type = sp->type;
int clients_research = 0;
- yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d type=%d", field, increasing, type);
+ session_log(se, YLOG_DEBUG, "session_sort field=%s increasing=%d type=%d",
+ field, increasing, type);
/* see if we already have sorted for this criteria */
for (sr = se->sorted_results; sr; sr = sr->next)
{
- if (!reclist_sortparms_cmp(sr,sp))
+ if (!reclist_sortparms_cmp(sr, sp))
break;
}
if (sr)
clients_research += client_parse_sort(cl, sp);
}
if (clients_research) {
- yaz_log(YLOG_DEBUG, "Reset results due to %d clients researching", clients_research);
+ session_log(se, YLOG_DEBUG,
+ "Reset results due to %d clients researching",
+ clients_research);
session_clear_set(se, sp);
}
else {
client_start_search(cl);
}
else {
- yaz_log(YLOG_DEBUG, "Client %s: No re-start/ingest in show. Wrong client state: %d",
+ session_log(se, YLOG_DEBUG,
+ "Client %s: No re-start/ingest in show. Wrong client state: %d",
client_get_id(cl), client_get_state(cl));
}
int no_failed_query = 0;
int no_failed_limit = 0;
struct client_list *l, *l0;
- int same_sort_order = 0;
session_log(se, YLOG_DEBUG, "Search");
session_enter(se, "session_search");
se->settings_modified = 0;
- if (se->sorted_results) {
- if (!reclist_sortparms_cmp(se->sorted_results, sp))
- same_sort_order = 1;
- }
session_clear_set(se, sp);
relevance_destroy(&se->relevance);
session->number_of_warnings_unknown_elements = 0;
session->number_of_warnings_unknown_metadata = 0;
session->num_termlists = 0;
- session->reclist = 0;
+ session->reclist = reclist_create(nmem);
session->clients_active = 0;
session->clients_cached = 0;
session->settings_modified = 0;
session_enter(se, "show_single_start");
*prev_r = 0;
*next_r = 0;
- if (se->reclist)
- {
- reclist_limit(se->reclist, se);
+ reclist_limit(se->reclist, se);
- reclist_enter(se->reclist);
- while ((r = reclist_read_record(se->reclist)))
+ reclist_enter(se->reclist);
+ while ((r = reclist_read_record(se->reclist)))
+ {
+ if (!strcmp(r->recid, id))
{
- if (!strcmp(r->recid, id))
- {
- *next_r = reclist_read_record(se->reclist);
- break;
- }
- *prev_r = r;
+ *next_r = reclist_read_record(se->reclist);
+ break;
}
- reclist_leave(se->reclist);
+ *prev_r = r;
}
+ reclist_leave(se->reclist);
if (!r)
session_leave(se, "show_single_start");
return r;
}
+int session_fetch_more(struct session *se)
+{
+ struct client_list *l;
+ int ret = 0;
+
+ for (l = se->clients_active; l; l = l->next)
+ {
+ struct client *cl = l->client;
+ if (client_get_state(cl) == Client_Idle)
+ {
+ if (client_fetch_more(cl))
+ {
+ session_log(se, YLOG_LOG, "%s: more to fetch",
+ client_get_id(cl));
+ ret = 1;
+ }
+ else
+ {
+ session_log(se, YLOG_LOG, "%s: no more to fetch",
+ client_get_id(cl));
+ }
+ }
+ else
+ {
+ session_log(se, YLOG_LOG, "%s: no fetch due to state=%s",
+ client_get_id(cl), client_get_state_str(cl));
+ }
+
+ }
+ return ret;
+}
+
struct record_cluster **show_range_start(struct session *se,
struct reclist_sortparms *sp,
- int start, int *num, int *total, Odr_int *sumhits, Odr_int *approx_hits)
+ int start, int *num, int *total,
+ Odr_int *sumhits, Odr_int *approx_hits,
+ void (*show_records_ready)(void *data),
+ struct http_channel *chan)
{
- struct record_cluster **recs;
+ struct record_cluster **recs = 0;
struct reclist_sortparms *spp;
+ struct client_list *l;
int i;
#if USE_TIMING
yaz_timing_t t = yaz_timing_create();
#endif
session_enter(se, "show_range_start");
- recs = nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
- if (!se->relevance)
- {
- *num = 0;
- *total = 0;
- *sumhits = 0;
- *approx_hits = 0;
- recs = 0;
- }
- else
+ *sumhits = 0;
+ *approx_hits = 0;
+ *total = 0;
+ reclist_limit(se->reclist, se);
+ if (se->relevance)
{
- struct client_list *l;
-
- reclist_limit(se->reclist, se);
-
for (spp = sp; spp; spp = spp->next)
if (spp->type == Metadata_sortkey_relevance)
{
relevance_prepare_read(se->relevance, se->reclist);
break;
}
- reclist_sort(se->reclist, sp);
-
- reclist_enter(se->reclist);
- *total = reclist_get_num_records(se->reclist);
-
- *sumhits = 0;
- *approx_hits = 0;
for (l = se->clients_active; l; l = l->next) {
*sumhits += client_get_hits(l->client);
*approx_hits += client_get_approximation(l->client);
}
- for (i = 0; i < start; i++)
- if (!reclist_read_record(se->reclist))
- {
- *num = 0;
- recs = 0;
- break;
- }
+ }
+ reclist_sort(se->reclist, sp);
+
+ reclist_enter(se->reclist);
+ *total = reclist_get_num_records(se->reclist);
+
+ for (l = se->clients_active; l; l = l->next)
+ client_update_show_stat(l->client, 0);
- for (i = 0; i < *num; i++)
+ for (i = 0; i < start; i++)
+ {
+ struct record_cluster *r = reclist_read_record(se->reclist);
+ if (!r)
{
- struct record_cluster *r = reclist_read_record(se->reclist);
- if (!r)
- {
- *num = i;
- break;
- }
+ *num = 0;
+ break;
+ }
+ else
+ {
+ struct record *rec = r->records;
+ for (;rec; rec = rec->next)
+ client_update_show_stat(rec->client, 1);
+ }
+ }
+ if (*num > 0)
+ recs =
+ nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
+ for (i = 0; i < *num; i++)
+ {
+ struct record_cluster *r = reclist_read_record(se->reclist);
+ if (!r)
+ {
+ *num = i;
+ break;
+ }
+ else
+ {
+ struct record *rec = r->records;
+ for (;rec; rec = rec->next)
+ client_update_show_stat(rec->client, 1);
recs[i] = r;
}
- reclist_leave(se->reclist);
}
+ reclist_leave(se->reclist);
#if USE_TIMING
yaz_timing_stop(t);
- yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
+ session_log(se, YLOG_LOG, "show %6.5f %3.2f %3.2f",
yaz_timing_get_real(t), yaz_timing_get_user(t),
yaz_timing_get_sys(t));
yaz_timing_destroy(&t);
#endif
+
+ if (!session_fetch_more(se))
+ session_log(se, YLOG_LOG, "can not fetch more");
+ else
+ {
+ show_range_stop(se, recs);
+ session_log(se, YLOG_LOG, "fetching more in progress");
+ if (session_set_watch(se, SESSION_WATCH_SHOW,
+ show_records_ready, chan, chan))
+ {
+ session_log(se, YLOG_WARN, "Ignoring show block");
+ session_enter(se, "show_range_start");
+ }
+ else
+ {
+ session_log(se, YLOG_LOG, "session watch OK");
+ return 0;
+ }
+ }
return recs;
}
{
if (attr->children && attr->children->content)
{
- if (strcmp((const char *) attr->name, "type"))
- { /* skip the "type" attribute.. Its value is already part of
- the element in output (md-%s) and so repeating it here
- is redundant */
+ if (strcmp((const char *) attr->name, "type")
+ && strcmp((const char *) attr->name, "empty"))
+ { /* skip the "type" + "empty" attribute..
+ The "Type" is already part of the element in output
+ (md-%s) and so repeating it here is redundant */
*attrp = nmem_malloc(nmem, sizeof(**attrp));
(*attrp)->name =
nmem_strdup(nmem, (const char *) attr->name);
struct conf_service *service = se->service;
int term_factor = 1;
struct record_cluster *cluster;
+ struct record_metadata **metadata0;
struct session_database *sdb = client_get_database(cl);
struct record *record = record_create(se->nmem,
service->num_metadata,
type = xmlGetProp(n, (xmlChar *) "type");
value = xmlNodeListGetString(xdoc, n->children, 1);
-
- if (!type || !value || !*value)
+ if (!type)
continue;
-
+ if (!value || !*value)
+ {
+ xmlChar *empty = xmlGetProp(n, (xmlChar *) "empty");
+ if (!empty)
+ continue;
+ if (value)
+ xmlFree(value);
+ value = empty;
+ }
md_field_id
= conf_service_metadata_field_id(service, (const char *) type);
if (md_field_id < 0)
cluster = reclist_insert(se->reclist, service, record,
mergekey_norm, &se->total_merged);
if (!cluster)
- return -1;
+ return 0; // complete match with existing record
{
const char *use_term_factor_str =
int hits = (int) client_get_hits(cl);
term_factor = MAX(hits, maxrecs) / MAX(1, maxrecs);
assert(term_factor >= 1);
- yaz_log(YLOG_DEBUG, "Using term factor: %d (%d / %d)", term_factor, MAX(hits, maxrecs), MAX(1, maxrecs));
+ session_log(se, YLOG_DEBUG, "Using term factor: %d (%d / %d)",
+ term_factor, MAX(hits, maxrecs), MAX(1, maxrecs));
}
}
relevance_newrec(se->relevance, cluster);
+ // original metadata, to check if first existence of a field
+ metadata0 = xmalloc(sizeof(*metadata0) * service->num_metadata);
+ memcpy(metadata0, cluster->metadata,
+ sizeof(*metadata0) * service->num_metadata);
+
// now parsing XML record and adding data to cluster or record metadata
for (n = root->children; n; n = n->next)
{
// merged metadata
rec_md = record_metadata_init(se->nmem, (const char *) value,
ser_md->type, 0);
+
+ // see if the field was not in cluster already (from beginning)
+
if (!rec_md)
continue;
wheretoput = &cluster->metadata[md_field_id];
- // and polulate with data:
- // assign cluster or record based on merge action
- if (ser_md->merge == Metadata_merge_unique)
+ if (ser_md->merge == Metadata_merge_first)
+ {
+ if (!metadata0[md_field_id])
+ {
+ while (*wheretoput)
+ wheretoput = &(*wheretoput)->next;
+ *wheretoput = rec_md;
+ }
+ }
+ else if (ser_md->merge == Metadata_merge_unique)
{
while (*wheretoput)
{
if (value)
xmlFree(value);
+ xfree(metadata0);
relevance_donerecord(se->relevance, cluster);
se->total_records++;
va_start(ap, fmt);
yaz_vsnprintf(buf, sizeof(buf)-30, fmt, ap);
- yaz_log(level, "Session %u: %s", s->session_id, buf);
+ yaz_log(level, "Session %u: %s", s ? s->session_id : 0, buf);
va_end(ap);
}