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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <cassert>
#include <drizzled/function/user_var_as_out_param.h>
#include <drizzled/user_var_entry.h>
#include <drizzled/session.h>
namespace drizzled
{
bool Item_user_var_as_out_param::fix_fields(Session *session, Item **ref)
{
assert(fixed == 0);
if (Item::fix_fields(session, ref) ||
!(entry= session->getVariable(name, true)))
return true;
entry->type= STRING_RESULT;
/*
Let us set the same collation which is used for loading
of fields in LOAD DATA INFILE.
(Since Item_user_var_as_out_param is used only there).
*/
entry->collation.set(default_charset_info);
entry->update_query_id= session->getQueryId();
return false;
}
void Item_user_var_as_out_param::set_null_value(const charset_info_st * const cs)
{
entry->update_hash(true, 0, 0, STRING_RESULT, cs,
DERIVATION_IMPLICIT, 0 /* unsigned_arg */);
}
void Item_user_var_as_out_param::set_value(const char *str, uint32_t length,
const charset_info_st * const cs)
{
entry->update_hash(false, (void*)str, length, STRING_RESULT, cs,
DERIVATION_IMPLICIT, 0 /* unsigned_arg */);
}
double Item_user_var_as_out_param::val_real()
{
assert(0);
return 0.0;
}
int64_t Item_user_var_as_out_param::val_int()
{
assert(0);
return 0;
}
String* Item_user_var_as_out_param::val_str(String *)
{
assert(0);
return 0;
}
type::Decimal* Item_user_var_as_out_param::val_decimal(type::Decimal *)
{
assert(0);
return 0;
}
void Item_user_var_as_out_param::print(String *str)
{
str->append('@');
str->append(name.str,name.length);
}
} /* namespace drizzled */
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