Method create

sql/item_create.cc:2808–2846

Create_sp_func Create_sp_func::s_singleton;

Item*
Create_sp_func::create(THD *thd, LEX_STRING db, LEX_STRING name,
                       bool use_explicit_name, List<Item> *item_list)
{
  int arg_count= 0;
  Item *func= NULL;
  LEX *lex= thd->lex;
  sp_name *qname;

  if (has_named_parameters(item_list))
  {
    /*
      The syntax "db.foo(expr AS p1, expr AS p2, ...) is invalid,
      and has been rejected during syntactic parsing already,
      because a stored function call may not have named parameters.

      The syntax "foo(expr AS p1, expr AS p2, ...)" is correct,
      because it can refer to a User Defined Function call.
      For a Stored Function however, this has no semantic.
    */
    my_error(ER_WRONG_PARAMETERS_TO_STORED_FCT, MYF(0), name.str);
    return NULL;
  }

  if (item_list != NULL)
    arg_count= item_list->elements;

  qname= new (thd->mem_root) sp_name(db, name, use_explicit_name);
  qname->init_qname(thd);

  if (arg_count > 0)
    func= new (thd->mem_root) Item_func_sp(lex->current_context(), qname,
                                           *item_list);
  else
    func= new (thd->mem_root) Item_func_sp(lex->current_context(), qname);

  lex->safe_to_cache_query= 0;
  return func;
}


Item*