int type = sp->type;
int clients_research = 0;
- yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d type=%d", field, increasing, type);
+ yaz_log(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)
{
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);
}
+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)
+ *sumhits = 0;
+ *approx_hits = 0;
+ *total = 0;
+ reclist_limit(se->reclist, se);
+ if (se->relevance)
{
- *num = 0;
- *total = 0;
- *sumhits = 0;
- *approx_hits = 0;
- recs = 0;
- }
- else
- {
- 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);
- for (i = 0; i < *num; i++)
+ 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 < 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",
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;
}
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 =