subselect with union

new error handling
Item_ref bug fixed


include/mysql_com.h:
  new error handling
  query cache pointer description
mysql-test/r/distinct.result:
  new result's after Monty's bug fixing
mysql-test/r/subselect.result:
  subselect with union test
mysql-test/t/subselect.test:
  subselect with union test
sql/item.cc:
  subselect with union
  Item_ref bug fixed
sql/item_cmpfunc.cc:
  Monty's bug fixing
sql/item_subselect.cc:
  TODO changing
  subselect with union
sql/item_subselect.h:
  subselect with union
sql/mysql_priv.h:
  Item_ref bug fixed
sql/mysqld.cc:
  new error handling
sql/net_pkg.cc:
  new error handling
sql/net_serv.cc:
  new error handling
sql/sql_base.cc:
  Item_ref bug fixed
sql/sql_class.cc:
  new error handling
sql/sql_class.h:
  new error handling
sql/sql_derived.cc:
  subselect with union
sql/sql_insert.cc:
  new error handling (only with mysql_select now)
sql/sql_lex.cc:
  subselect with union
sql/sql_lex.h:
  subselect with union
sql/sql_parse.cc:
  new error handling
sql/sql_select.cc:
  new error handling
  subselect with union
  removed thd->where=0 hack
sql/sql_select.h:
  subselect with union
sql/sql_union.cc:
  subselect with union
sql/sql_update.cc:
  new error handling (only with mysql_select now)
sql/sql_yacc.yy:
  subselect with union

1 files changed, 3 insertions, 0 deletions

diff --git a/sql/sql_update.cc b/sql/sql_update.cc
index 51453f955e8..9ea8f725947 100644
--- a/sql/sql_update.cc
+++ b/sql/sql_update.cc
@@ -642,6 +642,8 @@ bool multi_update::send_data(List<Item> &values)
 
 void multi_update::send_error(uint errcode,const char *err)
 {
+
+  //TODO error should be sent at the query processing end
   /* First send error what ever it is ... */
   ::send_error(&thd->net,errcode,err);
 
@@ -766,6 +768,7 @@ bool multi_update::send_eof()
   if (error == -1)
     error = 0;
   thd->proc_info="end";
+  //TODO error should be sent at the query processing end
   if (error)
     send_error(error,"An error occured in multi-table update");