* Sebastian Hammer, Adam Dickmeiss
*
* $Log: zrpn.c,v $
- * Revision 1.12 1995-09-15 14:45:21 adam
+ * Revision 1.18 1995-10-04 16:57:20 adam
+ * Key input and merge sort in one pass.
+ *
+ * Revision 1.17 1995/10/04 12:55:17 adam
+ * Bug fix in ranked search. Use=Any keys inserted.
+ *
+ * Revision 1.16 1995/10/02 16:24:40 adam
+ * Use attribute actually used in search requests.
+ *
+ * Revision 1.15 1995/10/02 15:18:52 adam
+ * New member in recRetrieveCtrl: diagnostic.
+ *
+ * Revision 1.14 1995/09/28 12:10:32 adam
+ * Bug fixes. Field prefix used in queries.
+ *
+ * Revision 1.13 1995/09/18 14:17:50 adam
+ * Minor changes.
+ *
+ * Revision 1.12 1995/09/15 14:45:21 adam
* Retrieve control.
* Work on truncation.
*
int merge_chunk)
{
logf (LOG_DEBUG, "rset_trunc, range=%d-%d", from, to-1);
- if (from - to > merge_chunk)
+ if (to - from > merge_chunk)
{
return NULL;
}
RSFD rsfd;
rset_temp_parms parms;
+ ispt = xmalloc (sizeof(*ispt) * (to-from));
parms.key_size = sizeof (struct it_key);
result = rset_create (rset_kind_temp, &parms);
rsfd = rset_open (result, 1);
is_pt_free (ispt[i]);
rset_close (result, rsfd);
heap_close (ti);
+ xfree (ispt);
return result;
}
}
const char *info;
AttrType truncation;
int truncation_value;
+ AttrType use;
+ int use_value;
+ attr_init (&use, zapt, 1);
+ use_value = attr_find (&use);
+ logf (LOG_DEBUG, "use value %d", truncation_value);
attr_init (&truncation, zapt, 5);
truncation_value = attr_find (&truncation);
logf (LOG_DEBUG, "truncation value %d", truncation_value);
+
+ if (use_value == -1)
+ use_value = 1016;
+ i = index_word_prefix (term_dict, 1, use_value);
+
switch (truncation_value)
{
case -1: /* not specified */
case 100: /* do not truncate */
- strcpy (term_dict, term_sub);
+ strcat (term_dict, term_sub);
logf (LOG_DEBUG, "dict_lookup: %s", term_dict);
if ((info = dict_lookup (zi->wordDict, term_dict)))
add_isam_p (info);
break;
case 1: /* right truncation */
- strcpy (term_dict, term_sub);
+ strcat (term_dict, term_sub);
strcat (term_dict, ".*");
dict_lookup_grep (zi->wordDict, term_dict, 0, grep_handle);
break;
zi->errCode = 120;
return -1;
case 101: /* process # in term */
- for (j = 0, i = 0; term_sub[i] && i < 3; i++)
+ for (j = strlen(term_dict), i = 0; term_sub[i] && i < 2; i++)
term_dict[j++] = term_sub[i];
for (; term_sub[i]; i++)
if (term_sub[i] == '#')
dict_lookup_grep (zi->wordDict, term_dict, 0, grep_handle);
break;
case 102: /* regular expression */
- strcpy (term_dict, term_sub);
+ strcat (term_dict, term_sub);
dict_lookup_grep (zi->wordDict, term_dict, 0, grep_handle);
break;
}
return 0;
}
+static void trans_term (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
+ char *termz)
+{
+ size_t i, sizez;
+ Z_Term *term = zapt->term;
+
+ sizez = term->u.general->len;
+ if (sizez > IT_MAX_WORD)
+ sizez = IT_MAX_WORD;
+ for (i = 0; i < sizez; i++)
+ termz[i] = index_char_cvt (term->u.general->buf[i]);
+ termz[i] = '\0';
+}
+
static RSET rpn_search_APT_relevance (ZServerInfo *zi,
Z_AttributesPlusTerm *zapt)
{
char term_sub[IT_MAX_WORD+1];
char *p0 = termz, *p1 = NULL;
Z_Term *term = zapt->term;
- size_t sizez, i;
parms.key_size = sizeof(struct it_key);
parms.max_rec = 100;
zi->errCode = 124;
return NULL;
}
- sizez = term->u.general->len;
- if (sizez > IT_MAX_WORD)
- sizez = IT_MAX_WORD;
- for (i = 0; i<sizez; i++)
- termz[i] = index_char_cvt (term->u.general->buf[i]);
- termz[i] = '\0';
-
+ trans_term (zi, zapt, termz);
isam_p_indx = 0; /* global, set by trunc_term - see below */
while (1)
{
char termz[IT_MAX_WORD+1];
Z_Term *term = zapt->term;
- size_t sizez, i;
if (term->which != Z_Term_general)
{
zi->errCode = 124;
return NULL;
}
- sizez = term->u.general->len;
- if (sizez > IT_MAX_WORD)
- sizez = IT_MAX_WORD;
- for (i = 0; i<sizez; i++)
- termz[i] = index_char_cvt (term->u.general->buf[i]);
- termz[i] = '\0';
-
+ trans_term (zi, zapt, termz);
isam_p_indx = 0; /* global, set by trunc_term - see below */
if (trunc_term (zi, zapt, termz, &isam_positions))
return NULL;
return rset_create (rset_kind_isam, &parms);
}
else
- return rset_trunc (zi->wordIsam, isam_positions, 0, isam_p_indx, 200);
+ return rset_trunc (zi->wordIsam, isam_positions, 0, isam_p_indx, 400);
}
static RSET rpn_search_APT_phrase (ZServerInfo *zi,
char termz[IT_MAX_WORD+1];
Z_Term *term = zapt->term;
- size_t sizez, i;
if (term->which != Z_Term_general)
{
zi->errCode = 124;
return NULL;
}
- sizez = term->u.general->len;
- if (sizez > IT_MAX_WORD)
- sizez = IT_MAX_WORD;
- for (i = 0; i<sizez; i++)
- termz[i] = index_char_cvt (term->u.general->buf[i]);
- termz[i] = '\0';
-
+ trans_term (zi, zapt, termz);
isam_p_indx = 0; /* global, set by trunc_term - see below */
if (trunc_term (zi, zapt, termz, &isam_positions))
return NULL;