Fix for #1487

libmysqld/lib_sql.cc:
  arg_parameters now are stored in these THD members
sql/sql_class.h:
  members to store query arguments
sql/sql_prepare.cc:
  query arguments retrieval added for embedded case
  code not necessary in embedded server #ifdefed

1 files changed, 4 insertions, 1 deletions

diff --git a/libmysqld/lib_sql.cc b/libmysqld/lib_sql.cc
index 94246135d37..2829074ce53 100644
--- a/libmysqld/lib_sql.cc
+++ b/libmysqld/lib_sql.cc
@@ -75,7 +75,10 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
      client). So we have to call free_old_query here
   */
   free_old_query(mysql);
-  if (!arg)
+
+  thd->extra_length= arg_length;
+  thd->extra_data= (char *)arg;
+  if (header)
   {
     arg= header;
     arg_length= header_length;