Fixed error found during review of new pushed code

client/mysql.cc:
  Don't use c_ptr() for cgets() and ensure buffer is not overwritten
mysql-test/r/cast.result:
  More test for CAST(0x.... as signed)
sql/opt_sum.cc:
  Fix bugs found during review
  - Changed code to be able to remove one if
  - Ensure that count == 0 only if is_exact_count == TRUE
sql/sql_delete.cc:
  Ensure 'allow_sum_func' is reset before call to setup_conds
sql/sql_lex.cc:
  allow_sum_func doesn't have to be reset for each query
  (It's to be reset in setup_fields() or before call to setup_conds()
sql/sql_load.cc:
  Move set of auto_increment_field_not_null so that it's not set if field value is NULL
sql/sql_prepare.cc:
  allow_sum_func doesn't have to be reset for each query
  (It's to be reset in setup_fields() or before call to setup_conds()
sql/sql_update.cc:
  Ensure 'allow_sum_func' is reset before call to setup_conds

1 files changed, 3 insertions, 2 deletions

diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index 7248adf6993..1dd52a2ba74 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -27,8 +27,8 @@
 #include "ha_innodb.h"
 #include "sql_select.h"
 
-int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, SQL_LIST *order,
-                 ha_rows limit, ulong options)
+int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
+                 SQL_LIST *order, ha_rows limit, ulong options)
 {
   int		error;
   TABLE		*table;
@@ -266,6 +266,7 @@ int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds)
 				  select_lex.table_list.first);
   DBUG_ENTER("mysql_prepare_delete");
 
+  thd->allow_sum_func= 0;
   if (setup_conds(thd, delete_table_list, conds) || 
       setup_ftfuncs(&thd->lex->select_lex))
     DBUG_RETURN(-1);