Beginnings of facets

[idzebra-moved-to-github.git] / index / rpnscan.c

diff --git a/index/rpnscan.c b/index/rpnscan.c
index 9349565..79b12aa 100644 (file)
--- a/index/rpnscan.c
+++ b/index/rpnscan.c
@@ -1,4 +1,4 @@
-/* $Id: rpnscan.c,v 1.17 2007-10-31 16:56:14 adam Exp $
+/* $Id: rpnscan.c,v 1.20 2007-11-01 16:01:33 adam Exp $
    Copyright (C) 1995-2007
    Index Data ApS
 
@@ -41,8 +41,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #define RPN_MAX_ORDS 32
 
-int log_scan = YLOG_LOG;
-
 /* convert APT SCAN term to internal cmap */
 static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
                                 char *termz, zebra_map_t zm)
@@ -81,7 +79,7 @@ static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
     return ZEBRA_OK;
 }
 
-static void count_set(ZebraHandle zh, RSET rset, zint *count)
+static void count_set(ZebraHandle zh, RSET rset, zint *count, zint approx_limit)
 {
     zint psysno = 0;
     struct it_key key;
@@ -89,7 +87,7 @@ static void count_set(ZebraHandle zh, RSET rset, zint *count)
 
     yaz_log(YLOG_DEBUG, "count_set");
 
-    rset->hits_limit = zh->approx_limit;
+    rset->hits_limit = approx_limit;
 
     *count = 0;
     rfd = rset_open(rset, RSETF_READ);
@@ -187,6 +185,15 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
 {
     int i;
     RSET rset = 0;
+    zint approx_limit = zh->approx_limit;
+    AttrType global_hits_limit_attr;
+    int l;
+    attr_init_APT(&global_hits_limit_attr, zapt, 12);
+            
+    l = attr_find(&global_hits_limit_attr, NULL);
+    if (l != -1)
+        approx_limit = l;
+    
     for (i = 0; i < ord_no; i++)
     {
         if (ar[i].isam_p && strcmp(wrbuf_cstr(ar[i].term), term) == 0)
@@ -202,7 +209,7 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
                     wrbuf_buf(ar[i].term), wrbuf_len(ar[i].term),
                     NULL, 1, zapt->term->which, nmem, 
                     kc, kc->scope, ol, index_type, 
-                    0 /* hits_limit */,
+                    0 /* hits_limit_value */,
                     0 /* term_ref_id_str */);
             if (!rset)
                 rset = rset_t;
@@ -231,7 +238,7 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
             rset = rset_create_and(nmem, kc, kc->scope, 2, rsets);
         }
         /* count it */
-        count_set(zh, rset, &count);
+        count_set(zh, rset, &count, approx_limit);
 
         if (pos != -1)
         {
@@ -271,8 +278,8 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
     }
     return 0;
 }
-        
-static ZEBRA_RES rpn_scan_ver2(ZebraHandle zh, ODR stream, NMEM nmem,
+
+static ZEBRA_RES rpn_scan_norm(ZebraHandle zh, ODR stream, NMEM nmem,
                                struct rset_key_control *kc,
                                Z_AttributesPlusTerm *zapt,
                                int *position, int *num_entries, 
@@ -517,7 +524,7 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
             }
         }
     }
-        
+
     yaz_log(YLOG_DEBUG, "position = %d, num = %d",
            *position, *num_entries);
         
@@ -533,7 +540,11 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
        zebra_setError(zh, YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED, 0);
         return ZEBRA_FAIL;
     }
-
+    if (sort_flag)
+    {
+        return rpn_facet(zh, stream, zapt, attributeset, position, num_entries,
+                         list, is_partial, limit_set);
+    }
     for (base_no = 0; base_no < num_bases; base_no++)
     {
        int ord;
@@ -563,7 +574,7 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
     nmem = nmem_create();
     kc = zebra_key_control_create(zh);
 
-    res = rpn_scan_ver2(zh, stream, nmem, kc, zapt, position, num_entries,
+    res = rpn_scan_norm(zh, stream, nmem, kc, zapt, position, num_entries,
                         list,
                         is_partial, limit_set, index_type, ord_no, ords);
     nmem_destroy(nmem);