*** empty log message ***

svn path=/trunk/boinc/; revision=3936

checkin_notes

@@ -15597,4 +15597,13 @@ Noaa 	21 July 2004
 	
 	api/
 		gutil.h
-		Makefile.graphics
+		Makefile.graphics
+
+David  22 July 2004
+    - Another DB performance tweak: add DB_RESULT::update_subset()
+        to update just those fields needed when send a result
+
+    db/
+        boinc_db.C,h
+    sched/
+        sched_send.C

db/boinc_db.C

@@ -520,6 +520,16 @@ void DB_RESULT::db_print_values(char* buf){
     UNESCAPE(stderr_out);
 }
 
+int DB_RESULT::update_subset() {
+    char query[MAX_QUERY_LEN];
+
+    sprintf(query,
+        "update %s set server_state=%d, hostid=%d, userid=%d, sent_time=%d, report_deadline=%d",
+        server_state, hostid, userid, sent_time, report_deadline
+    );
+    return db->do_query(query);
+}
+
 void DB_RESULT::db_parse(MYSQL_ROW &r) {
     int i=0;
     clear();

db/boinc_db.h

@@ -534,6 +534,7 @@ class DB_RESULT : public DB_BASE, public RESULT {
 public:
     DB_RESULT();
     int get_id();
+    int update_subset();
     void db_print(char*);
     void db_print_values(char*);
     void db_parse(MYSQL_ROW &row);

sched/sched_send.C

@@ -642,7 +642,7 @@ static void scan_work_array(
         result.userid = reply.user.id;
         result.sent_time = time(0);
         result.report_deadline = result.sent_time + wu.delay_bound;
-        result.update();
+        result.update_subset();
 
         wu_seconds_filled = estimate_cpu_duration(wu, reply.host);
         log_messages.printf(