-/* $Id: zsets.c,v 1.44 2003-03-26 16:41:48 adam Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
- Index Data Aps
+/* $Id: zsets.c,v 1.77 2005-01-15 19:38:30 adam Exp $
+ Copyright (C) 1995-2005
+ Index Data ApS
This file is part of the Zebra server.
#endif
#include "index.h"
-#include <rstemp.h>
+#include <rset.h>
#define SORT_IDX_ENTRYSIZE 64
#define ZSET_SORT_MAX_LEVEL 3
char *name;
RSET rset;
NMEM nmem;
- int hits;
+ NMEM rset_nmem; /* for creating the rsets in */
+ zint hits;
int num_bases;
char **basenames;
Z_RPNQuery *rpn;
int term_entries_max;
struct zebra_set *next;
int locked;
+
+ zint cache_position; /* last position */
+ RSFD cache_rfd; /* rfd (NULL if not existing) */
+ zint cache_psysno; /* sysno for last position */
};
struct zset_sort_entry {
- int sysno;
+ zint sysno;
int score;
char buf[ZSET_SORT_MAX_LEVEL][SORT_IDX_ENTRYSIZE];
};
struct zset_sort_entry **entries;
};
-ZebraSet resultSetAddRPN (ZebraHandle zh, ODR input, ODR output,
- Z_RPNQuery *rpn, int num_bases,
+static int log_level_set=0;
+static int log_level_sorting=0;
+static int log_level_searchhits=0;
+static int log_level_searchterms=0;
+static int log_level_resultsets=0;
+
+static void loglevels()
+{
+ if (log_level_set)
+ return;
+ log_level_sorting = yaz_log_module_level("sorting");
+ log_level_searchhits = yaz_log_module_level("searchhits");
+ log_level_searchterms = yaz_log_module_level("searchterms");
+ log_level_resultsets = yaz_log_module_level("resultsets");
+ log_level_set=1;
+}
+
+ZebraSet resultSetAddRPN (ZebraHandle zh, NMEM m,
+ Z_RPNQuery *rpn, int num_bases,
char **basenames,
- const char *setname)
+ const char *setname)
{
ZebraSet zebraSet;
int i;
zebraSet = resultSetAdd (zh, setname, 1);
if (!zebraSet)
- return 0;
+ return 0;
zebraSet->locked = 1;
zebraSet->rpn = 0;
- zebraSet->nmem = nmem_create ();
+ zebraSet->nmem = m;
+ zebraSet->rset_nmem=nmem_create();
zebraSet->num_bases = num_bases;
zebraSet->basenames =
zebraSet->basenames[i] = nmem_strdup (zebraSet->nmem, basenames[i]);
- zebraSet->rset = rpn_search (zh, output->mem, rpn,
- zebraSet->num_bases,
- zebraSet->basenames, zebraSet->name,
- zebraSet);
+ zebraSet->rset = rpn_search (zh, zebraSet->nmem, zebraSet->rset_nmem,
+ rpn, zebraSet->num_bases,
+ zebraSet->basenames, zebraSet->name,
+ zebraSet);
zh->hits = zebraSet->hits;
if (zebraSet->rset)
zebraSet->rpn = rpn;
}
void resultSetAddTerm (ZebraHandle zh, ZebraSet s, int reg_type,
- const char *db, int set,
- int use, const char *term)
+ const char *db, int set,
+ int use, const char *term)
{
+ assert(zh); /* compiler shut up */
if (!s->nmem)
- s->nmem = nmem_create ();
+ s->nmem = nmem_create ();
if (!s->term_entries)
{
- int i;
- s->term_entries_max = 1000;
- s->term_entries =
- nmem_malloc (s->nmem, s->term_entries_max *
- sizeof(*s->term_entries));
- for (i = 0; i < s->term_entries_max; i++)
- s->term_entries[i].term = 0;
+ int i;
+ s->term_entries_max = 1000;
+ s->term_entries =
+ nmem_malloc (s->nmem, s->term_entries_max *
+ sizeof(*s->term_entries));
+ for (i = 0; i < s->term_entries_max; i++)
+ s->term_entries[i].term = 0;
}
if (s->hits < s->term_entries_max)
{
- s->term_entries[s->hits].reg_type = reg_type;
- s->term_entries[s->hits].db = nmem_strdup (s->nmem, db);
- s->term_entries[s->hits].set = set;
- s->term_entries[s->hits].use = use;
- s->term_entries[s->hits].term = nmem_strdup (s->nmem, term);
+ s->term_entries[s->hits].reg_type = reg_type;
+ s->term_entries[s->hits].db = nmem_strdup (s->nmem, db);
+ s->term_entries[s->hits].set = set;
+ s->term_entries[s->hits].use = use;
+ s->term_entries[s->hits].term = nmem_strdup (s->nmem, term);
}
(s->hits)++;
}
-
-int zebra_resultSetTerms (ZebraHandle zh, const char *setname,
- int no, int *count,
- int *type, char *out, size_t *len)
-{
- ZebraSet s = resultSetGet (zh, setname);
- int no_max = 0;
-
- if (count)
- *count = 0;
- if (!s || !s->rset)
- return 0;
- no_max = s->rset->no_rset_terms;
- if (no < 0 || no >= no_max)
- return 0;
- if (count)
- *count = s->rset->rset_terms[no]->count;
- if (type)
- *type = s->rset->rset_terms[no]->type;
-
- if (out)
- {
- char *inbuf = s->rset->rset_terms[no]->name;
- size_t inleft = strlen(inbuf);
- size_t outleft = *len - 1;
- int converted = 0;
-
- if (zh->iconv_from_utf8 != 0)
- {
- char *outbuf = out;
- size_t ret;
-
- ret = yaz_iconv(zh->iconv_from_utf8, &inbuf, &inleft,
- &outbuf, &outleft);
- if (ret == (size_t)(-1))
- *len = 0;
- else
- *len = outbuf - out;
- converted = 1;
- }
- if (!converted)
- {
- if (inleft > outleft)
- inleft = outleft;
- *len = inleft;
- memcpy (out, inbuf, *len);
- }
- out[*len] = 0;
- }
- return no_max;
-}
-
-
ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov)
{
ZebraSet s;
for (s = zh->sets; s; s = s->next)
if (!strcmp (s->name, name))
- break;
+ break;
+
+ if (!log_level_set)
+ loglevels();
if (s)
{
- yaz_log (LOG_DEBUG, "updating result set %s", name);
- if (!ov || s->locked)
- return NULL;
- if (s->rset)
- rset_delete (s->rset);
- if (s->nmem)
- nmem_destroy (s->nmem);
+ yaz_log(log_level_resultsets, "updating result set %s", name);
+ if (!ov || s->locked)
+ return NULL;
+ if (s->rset)
+ {
+ if (s->cache_rfd)
+ rset_close(s->cache_rfd);
+ rset_delete (s->rset);
+ }
+ if (s->rset_nmem)
+ nmem_destroy (s->rset_nmem);
+ if (s->nmem)
+ nmem_destroy (s->nmem);
}
else
{
- yaz_log (LOG_DEBUG, "adding result set %s", name);
- s = (ZebraSet) xmalloc (sizeof(*s));
- s->next = zh->sets;
- zh->sets = s;
- s->name = (char *) xmalloc (strlen(name)+1);
- strcpy (s->name, name);
-
- s->sort_info = (struct zset_sort_info *)
- xmalloc (sizeof(*s->sort_info));
- s->sort_info->max_entries = 1000;
- s->sort_info->entries = (struct zset_sort_entry **)
- xmalloc (sizeof(*s->sort_info->entries) *
- s->sort_info->max_entries);
- s->sort_info->all_entries = (struct zset_sort_entry *)
- xmalloc (sizeof(*s->sort_info->all_entries) *
- s->sort_info->max_entries);
- for (i = 0; i < s->sort_info->max_entries; i++)
- s->sort_info->entries[i] = s->sort_info->all_entries + i;
+ const char *sort_max_str = zebra_get_resource(zh, "sortmax", "1000");
+
+ yaz_log(log_level_resultsets, "adding result set %s", name);
+ s = (ZebraSet) xmalloc (sizeof(*s));
+ s->next = zh->sets;
+ zh->sets = s;
+ s->name = (char *) xmalloc (strlen(name)+1);
+ strcpy (s->name, name);
+
+ s->sort_info = (struct zset_sort_info *)
+ xmalloc (sizeof(*s->sort_info));
+ s->sort_info->max_entries = atoi(sort_max_str);
+ if (s->sort_info->max_entries < 2)
+ s->sort_info->max_entries = 2;
+
+ s->sort_info->entries = (struct zset_sort_entry **)
+ xmalloc (sizeof(*s->sort_info->entries) *
+ s->sort_info->max_entries);
+ s->sort_info->all_entries = (struct zset_sort_entry *)
+ xmalloc (sizeof(*s->sort_info->all_entries) *
+ s->sort_info->max_entries);
+ for (i = 0; i < s->sort_info->max_entries; i++)
+ s->sort_info->entries[i] = s->sort_info->all_entries + i;
}
s->locked = 0;
s->term_entries = 0;
s->hits = 0;
s->rset = 0;
+ s->rset_nmem=0;
s->nmem = 0;
s->rpn = 0;
+ s->cache_position = 0;
+ s->cache_rfd = 0;
return s;
}
if (!s->term_entries && !s->rset && s->rpn)
{
NMEM nmem = nmem_create ();
- yaz_log (LOG_LOG, "research %s", name);
+ yaz_log(log_level_resultsets, "research %s", name);
+ if (!s->rset_nmem)
+ s->rset_nmem=nmem_create();
s->rset =
- rpn_search (zh, nmem, s->rpn, s->num_bases,
- s->basenames, s->name, s);
+ rpn_search (zh, nmem, s->rset_nmem, s->rpn, s->num_bases,
+ s->basenames, s->name, s);
nmem_destroy (nmem);
}
return s;
{
ZebraSet s = zh->sets;
+ yaz_log(log_level_resultsets, "invalidating result sets");
for (; s; s = s->next)
{
if (s->rset)
+ {
+ if (s->cache_rfd)
+ rset_close(s->cache_rfd);
rset_delete (s->rset);
+ }
s->rset = 0;
+ s->cache_rfd = 0;
+ s->cache_position = 0;
+ if (s->rset_nmem)
+ nmem_destroy(s->rset_nmem);
+ s->rset_nmem=0;
}
}
int i;
if (statuses)
- for (i = 0; i<num; i++)
- statuses[i] = Z_DeleteStatus_resultSetDidNotExist;
+ for (i = 0; i<num; i++)
+ statuses[i] = Z_DeleteStatus_resultSetDidNotExist;
zh->errCode = 0;
zh->errString = NULL;
while (*ss)
{
- int i = -1;
- ZebraSet s = *ss;
- if (num >= 0)
- {
- for (i = 0; i<num; i++)
- if (!strcmp (s->name, names[i]))
- {
- if (statuses)
- statuses[i] = Z_DeleteStatus_success;
- i = -1;
- break;
- }
- }
- if (i < 0)
- {
- *ss = s->next;
-
- xfree (s->sort_info->all_entries);
- xfree (s->sort_info->entries);
- xfree (s->sort_info);
-
- if (s->nmem)
- nmem_destroy (s->nmem);
- if (s->rset)
- rset_delete (s->rset);
- xfree (s->name);
- xfree (s);
- }
- else
- ss = &s->next;
+ int i = -1;
+ ZebraSet s = *ss;
+ if (num >= 0)
+ {
+ for (i = 0; i<num; i++)
+ if (!strcmp (s->name, names[i]))
+ {
+ if (statuses)
+ statuses[i] = Z_DeleteStatus_success;
+ i = -1;
+ break;
+ }
+ }
+ if (i < 0)
+ {
+ *ss = s->next;
+
+ xfree (s->sort_info->all_entries);
+ xfree (s->sort_info->entries);
+ xfree (s->sort_info);
+
+ if (s->nmem)
+ nmem_destroy (s->nmem);
+ if (s->rset)
+ {
+ if (s->cache_rfd)
+ rset_close(s->cache_rfd);
+ rset_delete (s->rset);
+ }
+ if (s->rset_nmem)
+ nmem_destroy(s->rset_nmem);
+ xfree (s->name);
+ xfree (s);
+ }
+ else
+ ss = &s->next;
}
}
-ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name,
- int num, int *positions)
+ZebraMetaRecord *zebra_meta_records_create_range (ZebraHandle zh,
+ const char *name,
+ zint start, int num)
+{
+ zint pos_small[10];
+ zint *pos = pos_small;
+ ZebraMetaRecord *mr;
+ int i;
+
+ if (num > 10000 || num <= 0)
+ return 0;
+
+ if (num > 10)
+ pos = xmalloc(sizeof(*pos) * num);
+
+ for (i = 0; i<num; i++)
+ pos[i] = start+i;
+
+ mr = zebra_meta_records_create(zh, name, num, pos);
+
+ if (num > 10)
+ xfree(pos);
+ return mr;
+}
+
+ZebraMetaRecord *zebra_meta_records_create (ZebraHandle zh, const char *name,
+ int num, zint *positions)
{
ZebraSet sset;
- ZebraPosSet sr = 0;
+ ZebraMetaRecord *sr = 0;
RSET rset;
int i;
struct zset_sort_info *sort_info;
+ if (!log_level_set)
+ loglevels();
if (!(sset = resultSetGet (zh, name)))
return NULL;
if (!(rset = sset->rset))
{
- if (!sset->term_entries)
- return 0;
- sr = (ZebraPosSet) xmalloc (sizeof(*sr) * num);
- for (i = 0; i<num; i++)
- {
- sr[i].sysno = 0;
- sr[i].score = -1;
- sr[i].term = 0;
- sr[i].db = 0;
+ if (!sset->term_entries)
+ return 0;
+ sr = (ZebraMetaRecord *) xmalloc (sizeof(*sr) * num);
+ for (i = 0; i<num; i++)
+ {
+ sr[i].sysno = 0;
+ sr[i].score = -1;
+ sr[i].term = 0;
+ sr[i].db = 0;
- if (positions[i] <= sset->term_entries_max)
- {
- sr[i].term = sset->term_entries[positions[i]-1].term;
- sr[i].db = sset->term_entries[positions[i]-1].db;
- }
- }
+ if (positions[i] <= sset->term_entries_max)
+ {
+ sr[i].term = sset->term_entries[positions[i]-1].term;
+ sr[i].db = sset->term_entries[positions[i]-1].db;
+ }
+ }
}
else
{
- sr = (ZebraPosSet) xmalloc (sizeof(*sr) * num);
- for (i = 0; i<num; i++)
- {
- sr[i].sysno = 0;
- sr[i].score = -1;
- sr[i].term = 0;
- sr[i].db = 0;
- }
- sort_info = sset->sort_info;
- if (sort_info)
- {
- int position;
+ sr = (ZebraMetaRecord *) xmalloc (sizeof(*sr) * num);
+ for (i = 0; i<num; i++)
+ {
+ sr[i].sysno = 0;
+ sr[i].score = -1;
+ sr[i].term = 0;
+ sr[i].db = 0;
+ }
+ sort_info = sset->sort_info;
+ if (sort_info)
+ {
+ zint position;
+
+ for (i = 0; i<num; i++)
+ {
+ position = positions[i];
+ if (position > 0 && position <= sort_info->num_entries)
+ {
+ yaz_log(log_level_sorting, "got pos=" ZINT_FORMAT
+ " (sorted)", position);
+ sr[i].sysno = sort_info->entries[position-1]->sysno;
+ sr[i].score = sort_info->entries[position-1]->score;
+ }
+ }
+ }
+ /* did we really get all entries using sort ? */
+ for (i = 0; i<num; i++)
+ {
+ if (!sr[i].sysno)
+ break;
+ }
+ if (i < num) /* nope, get the rest, unsorted - sorry */
+ {
+ zint position = 0;
+ int num_i = 0;
+ zint psysno = 0;
+ RSFD rfd;
+ struct it_key key;
+
+ if (sort_info)
+ position = sort_info->num_entries;
+ while (num_i < num && positions[num_i] < position)
+ num_i++;
- for (i = 0; i<num; i++)
+ if (sset->cache_rfd &&
+ num_i < num && positions[num_i] > sset->cache_position)
{
- position = positions[i];
- if (position > 0 && position <= sort_info->num_entries)
- {
- yaz_log (LOG_DEBUG, "got pos=%d (sorted)", position);
- sr[i].sysno = sort_info->entries[position-1]->sysno;
- sr[i].score = sort_info->entries[position-1]->score;
- }
+ position = sset->cache_position;
+ rfd = sset->cache_rfd;
+ psysno = sset->cache_psysno;
}
- }
- /* did we really get all entries using sort ? */
- for (i = 0; i<num; i++)
- {
- if (!sr[i].sysno)
- break;
- }
- if (i < num) /* nope, get the rest, unsorted - sorry */
- {
- int position = 0;
- int num_i = 0;
- int psysno = 0;
- int term_index;
- RSFD rfd;
- struct it_key key;
-
- if (sort_info)
- position = sort_info->num_entries;
- while (num_i < num && positions[num_i] < position)
- num_i++;
- rfd = rset_open (rset, RSETF_READ);
- while (num_i < num && rset_read (rset, rfd, &key, &term_index))
+ else
{
- if (key.sysno != psysno)
- {
- psysno = key.sysno;
- if (sort_info)
- {
- /* determine we alreay have this in our set */
- for (i = sort_info->num_entries; --i >= 0; )
- if (psysno == sort_info->entries[i]->sysno)
- break;
- if (i >= 0)
- continue;
- }
- position++;
- assert (num_i < num);
- if (position == positions[num_i])
- {
- sr[num_i].sysno = psysno;
- yaz_log (LOG_DEBUG, "got pos=%d (unsorted)", position);
- sr[num_i].score = -1;
- num_i++;
- }
- }
+ if (sset->cache_rfd)
+ rset_close(sset->cache_rfd);
+ rfd = rset_open (rset, RSETF_READ);
}
- rset_close (rset, rfd);
- }
+ while (num_i < num && rset_read (rfd, &key, 0))
+ {
+ zint this_sys = key.mem[0];
+ if (this_sys != psysno)
+ {
+ psysno = this_sys;
+ if (sort_info)
+ {
+ /* determine we alreay have this in our set */
+ for (i = sort_info->num_entries; --i >= 0; )
+ if (psysno == sort_info->entries[i]->sysno)
+ break;
+ if (i >= 0)
+ continue;
+ }
+ position++;
+ assert (num_i < num);
+ if (position == positions[num_i])
+ {
+ sr[num_i].sysno = psysno;
+ yaz_log(log_level_sorting, "got pos=" ZINT_FORMAT " (unsorted)", position);
+ sr[num_i].score = -1;
+ num_i++;
+ }
+ }
+ }
+ sset->cache_position = position;
+ sset->cache_psysno = psysno;
+ sset->cache_rfd = rfd;
+ }
}
return sr;
}
-void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num)
+void zebra_meta_records_destroy (ZebraHandle zh, ZebraMetaRecord *records,
+ int num)
{
+ assert(zh); /* compiler shut up about unused arg */
xfree (records);
}
};
void resultSetInsertSort (ZebraHandle zh, ZebraSet sset,
- struct sortKeyInfo *criteria, int num_criteria,
- int sysno)
+ struct sortKeyInfo *criteria, int num_criteria,
+ zint sysno)
{
struct zset_sort_entry this_entry;
struct zset_sort_entry *new_entry = NULL;
sortIdx_sysno (zh->reg->sortIdx, sysno);
for (i = 0; i<num_criteria; i++)
{
- sortIdx_type (zh->reg->sortIdx, criteria[i].attrUse);
- sortIdx_read (zh->reg->sortIdx, this_entry.buf[i]);
+ sortIdx_type (zh->reg->sortIdx, criteria[i].attrUse);
+ sortIdx_read (zh->reg->sortIdx, this_entry.buf[i]);
}
i = sort_info->num_entries;
while (--i >= 0)
{
- int rel = 0;
- for (j = 0; j<num_criteria; j++)
- {
+ int rel = 0;
+ for (j = 0; j<num_criteria; j++)
+ {
if (criteria[j].numerical)
{
double diff = atof(this_entry.buf[j]) -
}
else
{
- rel = memcmp (this_entry.buf[j], sort_info->entries[i]->buf[j],
- SORT_IDX_ENTRYSIZE);
+ rel = memcmp (this_entry.buf[j], sort_info->entries[i]->buf[j],
+ SORT_IDX_ENTRYSIZE);
}
- if (rel)
- break;
- }
- if (!rel)
- break;
- if (criteria[j].relation == 'A')
+ if (rel)
+ break;
+ }
+ if (!rel)
+ break;
+ if (criteria[j].relation == 'A')
{
- if (rel > 0)
- break;
- }
+ if (rel > 0)
+ break;
+ }
else if (criteria[j].relation == 'D')
- {
- if (rel < 0)
- break;
- }
+ {
+ if (rel < 0)
+ break;
+ }
}
++i;
j = sort_info->max_entries;
if (i == j)
- return;
+ return;
if (sort_info->num_entries == j)
- --j;
+ --j;
else
- j = (sort_info->num_entries)++;
+ j = (sort_info->num_entries)++;
new_entry = sort_info->entries[j];
while (j != i)
{
- sort_info->entries[j] = sort_info->entries[j-1];
- --j;
+ sort_info->entries[j] = sort_info->entries[j-1];
+ --j;
}
sort_info->entries[i] = new_entry;
assert (new_entry);
for (i = 0; i<num_criteria; i++)
- memcpy (new_entry->buf[i], this_entry.buf[i], SORT_IDX_ENTRYSIZE);
+ memcpy (new_entry->buf[i], this_entry.buf[i], SORT_IDX_ENTRYSIZE);
new_entry->sysno = sysno;
new_entry->score = -1;
}
void resultSetInsertRank (ZebraHandle zh, struct zset_sort_info *sort_info,
- int sysno, int score, int relation)
+ zint sysno, int score, int relation)
{
struct zset_sort_entry *new_entry = NULL;
int i, j;
+ assert(zh); /* compiler shut up about unused arg */
i = sort_info->num_entries;
while (--i >= 0)
{
- int rel = 0;
+ int rel = 0;
- rel = score - sort_info->entries[i]->score;
+ rel = score - sort_info->entries[i]->score;
- if (relation == 'D')
- {
- if (rel >= 0)
- break;
- }
- else if (relation == 'A')
- {
- if (rel <= 0)
- break;
- }
+ if (relation == 'D')
+ {
+ if (rel >= 0)
+ break;
+ }
+ else if (relation == 'A')
+ {
+ if (rel <= 0)
+ break;
+ }
}
++i;
j = sort_info->max_entries;
if (i == j)
- return;
+ return;
if (sort_info->num_entries == j)
- --j;
+ --j;
else
- j = (sort_info->num_entries)++;
+ j = (sort_info->num_entries)++;
new_entry = sort_info->entries[j];
while (j != i)
{
- sort_info->entries[j] = sort_info->entries[j-1];
- --j;
+ sort_info->entries[j] = sort_info->entries[j-1];
+ --j;
}
sort_info->entries[i] = new_entry;
assert (new_entry);
}
void resultSetSort (ZebraHandle zh, NMEM nmem,
- int num_input_setnames, const char **input_setnames,
- const char *output_setname,
- Z_SortKeySpecList *sort_sequence, int *sort_status)
+ int num_input_setnames, const char **input_setnames,
+ const char *output_setname,
+ Z_SortKeySpecList *sort_sequence, int *sort_status)
{
ZebraSet sset;
RSET rset;
if (num_input_setnames == 0)
{
- zh->errCode = 208;
- return ;
+ zh->errCode = 208;
+ return ;
}
if (num_input_setnames > 1)
{
- zh->errCode = 230;
- return;
+ zh->errCode = 230;
+ return;
}
- yaz_log (LOG_DEBUG, "result set sort input=%s output=%s",
- *input_setnames, output_setname);
+ if (!log_level_set)
+ loglevels();
+ yaz_log(log_level_sorting, "result set sort input=%s output=%s",
+ *input_setnames, output_setname);
sset = resultSetGet (zh, input_setnames[0]);
if (!sset)
{
- zh->errCode = 30;
- zh->errString = nmem_strdup (nmem, input_setnames[0]);
- return;
+ zh->errCode = 30;
+ zh->errString = nmem_strdup (nmem, input_setnames[0]);
+ return;
}
if (!(rset = sset->rset))
{
- zh->errCode = 30;
- zh->errString = nmem_strdup (nmem, input_setnames[0]);
+ zh->errCode = 30;
+ zh->errString = nmem_strdup (nmem, input_setnames[0]);
return;
}
if (strcmp (output_setname, input_setnames[0]))
{
- rset = rset_dup (rset);
- sset = resultSetAdd (zh, output_setname, 1);
+ rset = rset_dup (rset);
+ sset = resultSetAdd (zh, output_setname, 1);
sset->rset = rset;
}
resultSetSortSingle (zh, nmem, sset, rset, sort_sequence, sort_status);
}
void resultSetSortSingle (ZebraHandle zh, NMEM nmem,
- ZebraSet sset, RSET rset,
- Z_SortKeySpecList *sort_sequence, int *sort_status)
+ ZebraSet sset, RSET rset,
+ Z_SortKeySpecList *sort_sequence, int *sort_status)
{
- int i, psysno = 0;
+ int i;
+ int n = 0;
+ zint kno = 0;
+ zint psysno = 0;
struct it_key key;
struct sortKeyInfo sort_criteria[3];
int num_criteria;
- int term_index;
RSFD rfd;
+ TERMID termid;
+ TERMID *terms;
+ int numTerms = 0;
- yaz_log (LOG_LOG, "resultSetSortSingle start");
+ assert(nmem); /* compiler shut up about unused param */
sset->sort_info->num_entries = 0;
+ rset_getterms(rset, 0, 0, &n);
+ terms = (TERMID *) nmem_malloc(nmem, sizeof(*terms)*n);
+ rset_getterms(rset, terms, n, &numTerms);
+
sset->hits = 0;
num_criteria = sort_sequence->num_specs;
if (num_criteria > 3)
- num_criteria = 3;
+ num_criteria = 3;
for (i = 0; i < num_criteria; i++)
{
- Z_SortKeySpec *sks = sort_sequence->specs[i];
- Z_SortKey *sk;
-
- if (*sks->sortRelation == Z_SortRelation_ascending)
- sort_criteria[i].relation = 'A';
- else if (*sks->sortRelation == Z_SortRelation_descending)
- sort_criteria[i].relation = 'D';
- else
- {
- zh->errCode = 214;
- return;
- }
- if (sks->sortElement->which == Z_SortElement_databaseSpecific)
- {
- zh->errCode = 210;
- return;
- }
- else if (sks->sortElement->which != Z_SortElement_generic)
- {
- zh->errCode = 237;
- return;
- }
- sk = sks->sortElement->u.generic;
- switch (sk->which)
- {
- case Z_SortKey_sortField:
- yaz_log (LOG_DEBUG, "Sort: key %d is of type sortField", i+1);
- zh->errCode = 207;
- return;
- case Z_SortKey_elementSpec:
- yaz_log (LOG_DEBUG, "Sort: key %d is of type elementSpec", i+1);
- zh->errCode = 207;
- return;
- case Z_SortKey_sortAttributes:
- yaz_log (LOG_DEBUG, "Sort: key %d is of type sortAttributes", i+1);
- sort_criteria[i].attrUse =
- zebra_maps_sort (zh->reg->zebra_maps,
- sk->u.sortAttributes,
+ Z_SortKeySpec *sks = sort_sequence->specs[i];
+ Z_SortKey *sk;
+
+ if (*sks->sortRelation == Z_SortKeySpec_ascending)
+ sort_criteria[i].relation = 'A';
+ else if (*sks->sortRelation == Z_SortKeySpec_descending)
+ sort_criteria[i].relation = 'D';
+ else
+ {
+ zh->errCode = 214;
+ return;
+ }
+ if (sks->sortElement->which == Z_SortElement_databaseSpecific)
+ {
+ zh->errCode = 210;
+ return;
+ }
+ else if (sks->sortElement->which != Z_SortElement_generic)
+ {
+ zh->errCode = 237;
+ return;
+ }
+ sk = sks->sortElement->u.generic;
+ switch (sk->which)
+ {
+ case Z_SortKey_sortField:
+ yaz_log(log_level_sorting, "Sort: key %d is of type sortField", i+1);
+ zh->errCode = 207;
+ return;
+ case Z_SortKey_elementSpec:
+ yaz_log(log_level_sorting, "Sort: key %d is of type elementSpec", i+1);
+ zh->errCode = 207;
+ return;
+ case Z_SortKey_sortAttributes:
+ yaz_log(log_level_sorting, "Sort: key %d is of type sortAttributes", i+1);
+ sort_criteria[i].attrUse =
+ zebra_maps_sort (zh->reg->zebra_maps,
+ sk->u.sortAttributes,
&sort_criteria[i].numerical);
- yaz_log (LOG_DEBUG, "use value = %d", sort_criteria[i].attrUse);
- if (sort_criteria[i].attrUse == -1)
- {
- zh->errCode = 116;
- return;
- }
- if (sortIdx_type (zh->reg->sortIdx, sort_criteria[i].attrUse))
- {
- zh->errCode = 207;
- return;
- }
- break;
- }
+ yaz_log(log_level_sorting, "use value = %d", sort_criteria[i].attrUse);
+ if (sort_criteria[i].attrUse == -1)
+ {
+ zh->errCode = 116;
+ return;
+ }
+ if (sortIdx_type (zh->reg->sortIdx, sort_criteria[i].attrUse))
+ {
+ zh->errCode = 207;
+ return;
+ }
+ break;
+ }
}
rfd = rset_open (rset, RSETF_READ);
- while (rset_read (rset, rfd, &key, &term_index))
+ while (rset_read (rfd, &key, &termid))
+ /* FIXME - pass a TERMID *, and use it for something below !! */
{
- if (key.sysno != psysno)
+ zint this_sys = key.mem[0];
+ kno++;
+ if (this_sys != psysno)
{
- (sset->hits)++;
- psysno = key.sysno;
- resultSetInsertSort (zh, sset,
- sort_criteria, num_criteria, psysno);
+ (sset->hits)++;
+ psysno = this_sys;
+ resultSetInsertSort (zh, sset,
+ sort_criteria, num_criteria, psysno);
}
}
- rset_close (rset, rfd);
-
- for (i = 0; i < rset->no_rset_terms; i++)
- yaz_log (LOG_LOG, "term=\"%s\" nn=%d type=%s count=%d",
- rset->rset_terms[i]->name,
- rset->rset_terms[i]->nn,
- rset->rset_terms[i]->flags,
- rset->rset_terms[i]->count);
-
- *sort_status = Z_SortStatus_success;
- yaz_log (LOG_LOG, "resultSetSortSingle end");
+ rset_close (rfd);
+ yaz_log(log_level_sorting, ZINT_FORMAT " keys, " ZINT_FORMAT " sysnos, sort",
+ kno, sset->hits);
+ for (i = 0; i < numTerms; i++)
+ yaz_log(log_level_sorting, "term=\"%s\" type=%s count=" ZINT_FORMAT,
+ terms[i]->name, terms[i]->flags, rset_count(terms[i]->rset));
+ *sort_status = Z_SortResponse_success;
}
RSET resultSetRef (ZebraHandle zh, const char *resultSetId)
ZebraSet s;
if ((s = resultSetGet (zh, resultSetId)))
- return s->rset;
+ return s->rset;
return NULL;
}
-void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset)
+void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset, NMEM nmem)
{
- int kno = 0;
+ zint kno = 0;
struct it_key key;
RSFD rfd;
- int term_index, i;
+ TERMID termid;
+ TERMID *terms;
+ int numTerms = 0;
+ int n = 0;
+ int i;
ZebraRankClass rank_class;
struct rank_control *rc;
struct zset_sort_info *sort_info;
-
+ const char *rank_handler_name = res_get_def(zh->res, "rank", "rank-1");
+ double cur,tot;
+ zint est=-2; /* -2 not done, -1 can't do, >0 actual estimate*/
+ zint esthits;
+ double ratio;
+
+ if (!log_level_set)
+ loglevels();
sort_info = zebraSet->sort_info;
sort_info->num_entries = 0;
zebraSet->hits = 0;
- rfd = rset_open (rset, RSETF_READ);
+ rset_getterms(rset, 0, 0, &n);
+ terms = (TERMID *) nmem_malloc(nmem, sizeof(*terms)*n);
+ rset_getterms(rset, terms, n, &numTerms);
- yaz_log (LOG_LOG, "resultSetRank");
+ rfd = rset_open (rset, RSETF_READ);
- rank_class = zebraRankLookup (zh, res_get_def(zh->res, "rank", "rank-1"));
+ rank_class = zebraRankLookup (zh, rank_handler_name);
+ if (!rank_class)
+ {
+ yaz_log(YLOG_WARN, "No such rank handler: %s", rank_handler_name);
+ return;
+ }
rc = rank_class->control;
- if (rset_read (rset, rfd, &key, &term_index))
+ if (rset_read (rfd, &key, &termid))
{
- int psysno = key.sysno;
- int score;
- void *handle =
- (*rc->begin) (zh->reg, rank_class->class_handle, rset);
- (zebraSet->hits)++;
- do
- {
- kno++;
- if (key.sysno != psysno)
- {
- score = (*rc->calc) (handle, psysno);
+ zint psysno = key.mem[0];
+ int score;
+ void *handle =
+ (*rc->begin) (zh->reg, rank_class->class_handle, rset, nmem,
+ terms, numTerms);
+ (zebraSet->hits)++;
+ esthits = atoi(res_get_def(zh->res, "estimatehits","0"));
+ if (!esthits)
+ est = -1; /* can not do */
+ do
+ {
+ zint this_sys = key.mem[0]; /* FIXME - assumes scope==2 */
+ zint seqno = key.mem[key.len-1]; /* FIXME - assumes scope==2 */
+ kno++;
+ key_logdump_txt(log_level_searchhits,&key," Got hit");
+ if (this_sys != psysno)
+ {
+ score = (*rc->calc) (handle, psysno);
- resultSetInsertRank (zh, sort_info, psysno, score, 'A');
- (zebraSet->hits)++;
- psysno = key.sysno;
- }
- (*rc->add) (handle, key.seqno, term_index);
- }
- while (rset_read (rset, rfd, &key, &term_index));
- score = (*rc->calc) (handle, psysno);
- resultSetInsertRank (zh, sort_info, psysno, score, 'A');
- (*rc->end) (zh->reg, handle);
+ resultSetInsertRank (zh, sort_info, psysno, score, 'A');
+ (zebraSet->hits)++;
+ psysno = this_sys;
+ }
+ (*rc->add) (handle, seqno, termid);
+
+ if ((est==-2) && (zebraSet->hits==esthits))
+ { /* time to estimate the hits */
+ rset_pos(rfd,&cur,&tot);
+ if (tot>0) {
+ ratio = cur/tot;
+ est = (zint)(0.5+zebraSet->hits/ratio);
+ yaz_log(log_level_searchhits, "Estimating hits (%s) "
+ "%0.1f->" ZINT_FORMAT
+ "; %0.1f->" ZINT_FORMAT,
+ rset->control->desc,
+ cur, zebraSet->hits,
+ tot, est);
+ i = 0; /* round to 3 significant digits */
+ while (est>1000) {
+ est /= 10;
+ i++;
+ }
+ while (i--)
+ est *= 10;
+ zebraSet->hits = est;
+ }
+ }
+ }
+ while (rset_read (rfd, &key,&termid) && (est<0) );
+ score = (*rc->calc)(handle, psysno);
+ resultSetInsertRank(zh, sort_info, psysno, score, 'A');
+ (*rc->end) (zh->reg, handle);
+ }
+ rset_close (rfd);
+
+ yaz_log(log_level_searchterms, ZINT_FORMAT " keys, " ZINT_FORMAT " sysnos, rank",
+ kno, zebraSet->hits);
+ for (i = 0; i < numTerms; i++)
+ {
+ yaz_log(log_level_searchterms, "term=\"%s\" type=%s count=" ZINT_FORMAT,
+ terms[i]->name, terms[i]->flags, rset_count(terms[i]->rset));
}
- rset_close (rset, rfd);
-
- for (i = 0; i < rset->no_rset_terms; i++)
- yaz_log (LOG_LOG, "term=\"%s\" nn=%d type=%s count=%d",
- rset->rset_terms[i]->name,
- rset->rset_terms[i]->nn,
- rset->rset_terms[i]->flags,
- rset->rset_terms[i]->count);
-
- yaz_log (LOG_LOG, "%d keys, %d distinct sysnos", kno, zebraSet->hits);
}
ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name)
{
ZebraRankClass p = zh->reg->rank_classes;
while (p && strcmp (p->control->name, name))
- p = p->next;
+ p = p->next;
if (p && !p->init_flag)
{
- if (p->control->create)
- p->class_handle = (*p->control->create)(zh);
- p->init_flag = 1;
+ if (p->control->create)
+ p->class_handle = (*p->control->create)(zh);
+ p->init_flag = 1;
}
return p;
}
ZebraRankClass p = reg->rank_classes;
while (p)
{
- ZebraRankClass p_next = p->next;
- if (p->init_flag && p->control->destroy)
- (*p->control->destroy)(reg, p->class_handle);
- xfree (p->control->name);
- xfree (p->control);
- xfree (p);
- p = p_next;
+ ZebraRankClass p_next = p->next;
+ if (p->init_flag && p->control->destroy)
+ (*p->control->destroy)(reg, p->class_handle);
+ xfree(p->control->name);
+ xfree(p->control);
+ xfree(p);
+ p = p_next;
}
reg->rank_classes = NULL;
}
projects / idzebra-moved-to-github.git / blobdiff