From 6fffce897808e2f7504fca6bc48de54d0a619b5e Mon Sep 17 00:00:00 2001
From: David Anderson <davea@ssl.berkeley.edu>
Date: Thu, 22 Jul 2004 15:32:30 +0000
Subject: [PATCH] *** empty log message ***

svn path=/trunk/boinc/; revision=3936
---
 checkin_notes      | 11 ++++++++++-
 db/boinc_db.C      | 10 ++++++++++
 db/boinc_db.h      |  1 +
 sched/sched_send.C |  2 +-
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/checkin_notes b/checkin_notes
index 41d0cd2165..e62e427d03 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -15597,4 +15597,13 @@ Noaa 	21 July 2004
 	
 	api/
 		gutil.h
-		Makefile.graphics
\ No newline at end of file
+		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
diff --git a/db/boinc_db.C b/db/boinc_db.C
index 127495c9cf..92582a603f 100644
--- a/db/boinc_db.C
+++ b/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();
diff --git a/db/boinc_db.h b/db/boinc_db.h
index b91a350efa..b77c878fc1 100755
--- a/db/boinc_db.h
+++ b/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);
diff --git a/sched/sched_send.C b/sched/sched_send.C
index 98c743325d..eba40047da 100644
--- a/sched/sched_send.C
+++ b/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(