Merged 4.1 to 5.0.

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
include/mysql_com.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/lex.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/protocol.cc:
  Auto merged
sql/records.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_derived.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged

1 files changed, 11 insertions, 10 deletions

diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 18768099f0f..559ed59b0a4 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -191,7 +191,8 @@ int handle_select(THD *thd, LEX *lex, select_result *result)
     send_error(thd, 0, NullS);
     res= 1;
   }
-  delete result;
+  if (result != lex->result)
+    delete result;
   return res;
 }
 
@@ -4983,7 +4984,7 @@ sub_select_cache(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
   }
   if (join->thd->killed)		// If aborted by user
   {
-    my_error(ER_SERVER_SHUTDOWN,MYF(0)); /* purecov: inspected */
+    join->thd->send_kill_message();
     return -2;				 /* purecov: inspected */
   }
   if (join_tab->use_quick != 2 || test_if_quick_select(join_tab) <= 0)
@@ -5022,7 +5023,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
     {
       if (join->thd->killed)			// Aborted by user
       {
-	my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
+	join->thd->send_kill_message();
 	return -2;				/* purecov: inspected */
       }
       join->examined_rows++;
@@ -5102,7 +5103,7 @@ flush_cached_records(JOIN *join,JOIN_TAB *join_tab,bool skipp_last)
   {
     if (join->thd->killed)
     {
-      my_error(ER_SERVER_SHUTDOWN,MYF(0)); /* purecov: inspected */
+      join->thd->send_kill_message();
       return -2;				// Aborted by user /* purecov: inspected */
     }
     SQL_SELECT *select=join_tab->select;
@@ -5750,7 +5751,7 @@ end_write(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
 
   if (join->thd->killed)			// Aborted by user
   {
-    my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
+    join->thd->send_kill_message();
     DBUG_RETURN(-2);				/* purecov: inspected */
   }
   if (!end_of_records)
@@ -5818,7 +5819,7 @@ end_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
     DBUG_RETURN(0);
   if (join->thd->killed)			// Aborted by user
   {
-    my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
+    join->thd->send_kill_message();
     DBUG_RETURN(-2);				/* purecov: inspected */
   }
 
@@ -5888,7 +5889,7 @@ end_unique_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
     DBUG_RETURN(0);
   if (join->thd->killed)			// Aborted by user
   {
-    my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
+    join->thd->send_kill_message();
     DBUG_RETURN(-2);				/* purecov: inspected */
   }
 
@@ -5935,7 +5936,7 @@ end_write_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
 
   if (join->thd->killed)
   {						// Aborted by user
-    my_error(ER_SERVER_SHUTDOWN,MYF(0));	/* purecov: inspected */
+    join->thd->send_kill_message();
     DBUG_RETURN(-2);				/* purecov: inspected */
   }
   if (!join->first_record || end_of_records ||
@@ -6657,7 +6658,7 @@ static int remove_dup_with_compare(THD *thd, TABLE *table, Field **first_field,
   {
     if (thd->killed)
     {
-      my_error(ER_SERVER_SHUTDOWN,MYF(0));
+      thd->send_kill_message();
       error=0;
       goto err;
     }
@@ -6769,7 +6770,7 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
   {
     if (thd->killed)
     {
-      my_error(ER_SERVER_SHUTDOWN,MYF(0));
+      thd->send_kill_message();
       error=0;
       goto err;
     }