X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=rset%2Frsmultiandor.c;h=91669dbf7f952bef02be30f64dd0a29fffdb1edb;hp=49bcea2496722735e81919c02bbf141cc3ef046a;hb=a66b7d79383ae700f3358731eecfe2aafed0e90d;hpb=651974e51cda5f503b3cbecbe11370a329d6b7e4

diff --git a/rset/rsmultiandor.c b/rset/rsmultiandor.c
index 49bcea2..91669db 100644
--- a/rset/rsmultiandor.c
+++ b/rset/rsmultiandor.c
@@ -1,8 +1,5 @@
-/* $Id: rsmultiandor.c,v 1.23 2006-07-04 14:10:31 adam Exp $
-   Copyright (C) 1995-2006
-   Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+   Copyright (C) 1994-2010 Index Data
 
 Zebra is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
@@ -15,9 +12,9 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra.  If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
 */
 
 
@@ -55,7 +52,8 @@ static int r_forward_and(RSFD rfd, void *buf, TERMID *term,
                      const void *untilbuf);
 static int r_forward_or(RSFD rfd, void *buf, TERMID *term,
                      const void *untilbuf);
-static void r_pos (RSFD rfd, double *current, double *total);
+static void r_pos_and(RSFD rfd, double *current, double *total);
+static void r_pos_or(RSFD rfd, double *current, double *total);
 static void r_get_terms(RSET ct, TERMID *terms, int maxterms, int *curterm);
 
 static const struct rset_control control_or = 
@@ -66,7 +64,7 @@ static const struct rset_control control_or =
     r_open_or,
     r_close,
     r_forward_or,
-    r_pos,
+    r_pos_or,
     r_read_or,
     r_write,
 };
@@ -79,7 +77,7 @@ static const struct rset_control control_and =
     r_open_and,
     r_close,
     r_forward_and,
-    r_pos,
+    r_pos_and,
     r_read_and,
     r_write,
 };
@@ -442,7 +440,6 @@ static int r_read_or (RSFD rfd, void *buf, TERMID *term)
 	    *term = rset->term;
 	else
 	    *term = it->term;
-	assert(*term);
     }
     (mrfd->hits)++;
     rdres = rset_read(it->fd, it->buf, &it->term);
@@ -495,9 +492,7 @@ static int r_read_and (RSFD rfd, void *buf, TERMID *term)
                         mintail = i;
 
                     if (kctrl->get_segment)
-                    {
-                        /* segments enabled */
-                        
+                    {   /* segments enabled */
                         zint segment =  kctrl->get_segment(p->items[i].buf);
                         /* store segment if not stored already */
                         if (!p->segment && segment)
@@ -532,10 +527,11 @@ static int r_read_and (RSFD rfd, void *buf, TERMID *term)
             }
             if (p->skip)
                 continue;  /* skip again.. eventually tailcount will be 0 */
-	    (p->hits)++;
+            if (p->tailcount == 0)
+                (p->hits)++;
             return 1;
         } 
-        /* not tailing, forward until all reocrds match, and set up */
+        /* not tailing, forward until all records match, and set up */
         /* as tails. the earlier 'if' will then return the hits */
         if (p->eof)
             return 0; /* nothing more to see */
@@ -610,21 +606,31 @@ static int r_forward_and(RSFD rfd, void *buf, TERMID *term,
     return r_read_and(rfd,buf,term);
 }
 
-static void r_pos (RSFD rfd, double *current, double *total)
+static void r_pos_x(RSFD rfd, double *current, double *total, int and_op)
 {
     RSET ct = rfd->rset;
     struct rfd_private *mrfd = 
 	(struct rfd_private *)(rfd->priv);
-    double cur, tot;
-    double scur = 0.0, stot = 0.0;
+    double ratio = and_op ? 0.0 : 1.0;
     int i;
     for (i = 0; i<ct->no_children; i++){
+        double nratio, cur, tot;
         rset_pos(mrfd->items[i].fd, &cur, &tot);
-        yaz_log(log_level, "r_pos: %d %0.1f %0.1f", i, cur,tot); 
-        scur += cur;
-        stot += tot;
+        yaz_log(log_level, "r_pos: %d %0.1f %0.1f", i, cur,tot);
+        
+        nratio = cur / tot;
+        if (and_op)
+        {
+            if (nratio > ratio)
+                ratio = nratio;
+        }
+        else
+        {
+            if (nratio < ratio)
+                ratio = nratio;
+        }
     }
-    if (stot < 1.0) { /* nothing there */
+    if (ratio == 0.0 || ratio == 1.0) { /* nothing there */
         *current = 0;
         *total = 0;
         yaz_log(log_level, "r_pos: NULL  %0.1f %0.1f",  *current, *total);
@@ -632,11 +638,21 @@ static void r_pos (RSFD rfd, double *current, double *total)
     else
     {
 	*current = (double) (mrfd->hits);
-	*total = *current*stot/scur;
+	*total = *current / ratio;
 	yaz_log(log_level, "r_pos: =  %0.1f %0.1f",  *current, *total);
     }
 }
 
+static void r_pos_and(RSFD rfd, double *current, double *total)
+{
+    r_pos_x(rfd, current, total, 1);
+}
+
+static void r_pos_or(RSFD rfd, double *current, double *total)
+{
+    r_pos_x(rfd, current, total, 0);
+}
+
 static int r_write (RSFD rfd, const void *buf)
 {
     yaz_log (YLOG_FATAL, "multior set type is read-only");
@@ -672,6 +688,7 @@ static void r_get_terms(RSET ct, TERMID *terms, int maxterms, int *curterm)
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab