Merge mysql.com:/home/gluh/MySQL/Merge/5.1

into  mysql.com:/home/gluh/MySQL/Merge/5.1-opt


BitKeeper/etc/ignore:
  auto-union
client/mysql.cc:
  Auto merged
client/mysqltest.c:
  Auto merged
include/mysql_com.h:
  Auto merged
libmysql/CMakeLists.txt:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
mysql-test/r/archive.result:
  Auto merged
mysql-test/r/create.result:
  Auto merged
mysql-test/r/delayed.result:
  Auto merged
mysql-test/r/func_misc.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/ps.result:
  Auto merged
mysql-test/r/type_date.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_innodb_bug28430.result:
  Auto merged
mysql-test/t/create.test:
  Auto merged
mysql-test/t/func_misc.test:
  Auto merged
mysql-test/t/information_schema.test:
  Auto merged
mysql-test/t/merge.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/type_date.test:
  Auto merged
mysql-test/t/type_datetime.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/queues.c:
  Auto merged
sql/events.cc:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_partition.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/protocol.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_partition.cc:
  Auto merged
sql/sql_plugin.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_string.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
storage/myisam/ha_myisam.cc:
  Auto merged
storage/myisam/mi_check.c:
  Auto merged
storage/myisam/mi_open.c:
  Auto merged
tests/mysql_client_test.c:
  Auto merged
mysql-test/lib/mtr_report.pl:
  manual merge
mysql-test/r/myisam.result:
  manual merge
mysql-test/r/partition.result:
  manual merge
mysql-test/r/user_var.result:
  manual merge
mysql-test/t/myisam.test:
  manual merge
mysql-test/t/partition.test:
  manual merge
mysql-test/t/user_var.test:
  manual merge
sql/item.h:
  manual merge
sql/item_func.cc:
  manual merge
storage/myisammrg/ha_myisammrg.cc:
  manual merge

1 files changed, 15 insertions, 21 deletions

diff --git a/mysys/queues.c b/mysys/queues.c
index bc7f0b74b4f..94f49ab8f9c 100644
--- a/mysys/queues.c
+++ b/mysys/queues.c
@@ -61,7 +61,7 @@ int init_queue(QUEUE *queue, uint max_elements, uint offset_to_key,
   queue->first_cmp_arg=first_cmp_arg;
   queue->max_elements=max_elements;
   queue->offset_to_key=offset_to_key;
-  queue->max_at_top= max_at_top ? (-1 ^ 1) : 0;
+  queue_set_max_at_top(queue, max_at_top);
   DBUG_RETURN(0);
 }
 
@@ -137,7 +137,7 @@ int reinit_queue(QUEUE *queue, uint max_elements, uint offset_to_key,
   queue->compare=compare;
   queue->first_cmp_arg=first_cmp_arg;
   queue->offset_to_key=offset_to_key;
-  queue->max_at_top= max_at_top ? (-1 ^ 1) : 0;
+  queue_set_max_at_top(queue, max_at_top);
   resize_queue(queue, max_elements);
   DBUG_RETURN(0);
 }
@@ -208,16 +208,14 @@ void delete_queue(QUEUE *queue)
 void queue_insert(register QUEUE *queue, uchar *element)
 {
   reg2 uint idx, next;
-  int cmp;
   DBUG_ASSERT(queue->elements < queue->max_elements);
   queue->root[0]= element;
   idx= ++queue->elements;
   /* max_at_top swaps the comparison if we want to order by desc */
-  while ((cmp= queue->compare(queue->first_cmp_arg,
-                              element + queue->offset_to_key,
-                              queue->root[(next= idx >> 1)] +
-                              queue->offset_to_key)) &&
-         (cmp ^ queue->max_at_top) < 0)
+  while ((queue->compare(queue->first_cmp_arg,
+                         element + queue->offset_to_key,
+                         queue->root[(next= idx >> 1)] +
+                         queue->offset_to_key) * queue->max_at_top) < 0)
   {
     queue->root[idx]= queue->root[next];
     idx= next;
@@ -287,19 +285,17 @@ void _downheap(register QUEUE *queue, uint idx)
 
   while (idx <= half_queue)
   {
-    int cmp;
     next_index=idx+idx;
     if (next_index < elements &&
 	(queue->compare(queue->first_cmp_arg,
 			queue->root[next_index]+offset_to_key,
-			queue->root[next_index+1]+offset_to_key) ^
+			queue->root[next_index+1]+offset_to_key) *
 	 queue->max_at_top) > 0)
       next_index++;
     if (first && 
-        (((cmp=queue->compare(queue->first_cmp_arg,
-                              queue->root[next_index]+offset_to_key,
-                              element+offset_to_key)) == 0) ||
-	 ((cmp ^ queue->max_at_top) > 0)))
+        (((queue->compare(queue->first_cmp_arg,
+                          queue->root[next_index]+offset_to_key,
+                          element+offset_to_key) * queue->max_at_top) >= 0)))
     {
       queue->root[idx]= element;
       return;
@@ -314,7 +310,7 @@ void _downheap(register QUEUE *queue, uint idx)
   {
     if ((queue->compare(queue->first_cmp_arg,
                        queue->root[next_index]+offset_to_key,
-                       element+offset_to_key) ^
+                       element+offset_to_key) *
          queue->max_at_top) < 0)
       break;
     queue->root[idx]=queue->root[next_index];
@@ -334,7 +330,6 @@ void _downheap(register QUEUE *queue, uint idx)
 {
   uchar *element;
   uint elements,half_queue,next_index,offset_to_key;
-  int cmp;
 
   offset_to_key=queue->offset_to_key;
   element=queue->root[idx];
@@ -346,13 +341,12 @@ void _downheap(register QUEUE *queue, uint idx)
     if (next_index < elements &&
 	(queue->compare(queue->first_cmp_arg,
 			queue->root[next_index]+offset_to_key,
-			queue->root[next_index+1]+offset_to_key) ^
+			queue->root[next_index+1]+offset_to_key) *
 	 queue->max_at_top) > 0)
       next_index++;
-    if ((cmp=queue->compare(queue->first_cmp_arg,
-			    queue->root[next_index]+offset_to_key,
-			    element+offset_to_key)) == 0 ||
-	(cmp ^ queue->max_at_top) > 0)
+    if ((queue->compare(queue->first_cmp_arg,
+                        queue->root[next_index]+offset_to_key,
+                        element+offset_to_key) * queue->max_at_top) >= 0)
       break;
     queue->root[idx]=queue->root[next_index];
     idx=next_index;