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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
*/
#ifndef DRIZZLED_USER_VAR_ENTRY_H
#define DRIZZLED_USER_VAR_ENTRY_H
#include <drizzled/dtcollation.h>
#include <drizzled/query_id.h>
namespace drizzled
{
namespace type { class Decimal; }
// this is needed for user_vars hash
class user_var_entry
{
public:
user_var_entry(const char *arg, query_id_t id) :
value(0),
length(0),
size(0),
update_query_id(0),
used_query_id(id),
type(STRING_RESULT),
unsigned_flag(false),
collation(NULL, DERIVATION_IMPLICIT)
{
name.str= strdup(arg);
name.length= strlen(arg);
}
~user_var_entry()
{
if (name.str)
free(name.str);
if (value)
free(value);
}
LEX_STRING name;
char *value;
ulong length;
size_t size;
query_id_t update_query_id;
query_id_t used_query_id;
Item_result type;
bool unsigned_flag;
double val_real(bool *null_value);
int64_t val_int(bool *null_value) const;
String *val_str(bool *null_value, String *str, uint32_t decimals);
type::Decimal *val_decimal(bool *null_value, type::Decimal *result);
DTCollation collation;
bool update_hash(bool set_null, void *ptr, uint32_t length,
Item_result type, const CHARSET_INFO * const cs, Derivation dv,
bool unsigned_arg);
};
} /* namespace drizzled */
#endif /* DRIZZLED_USER_VAR_ENTRY_H */
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