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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 MySQL
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 DRIZZLE_SERVER_FIELD_TIMESTAMP
#define DRIZZLE_SERVER_FIELD_TIMESTAMP
#include "mysql_priv.h"
class Field_timestamp :public Field_str {
public:
Field_timestamp(uchar *ptr_arg, uint32 len_arg,
uchar *null_ptr_arg, uchar null_bit_arg,
enum utype unireg_check_arg, const char *field_name_arg,
TABLE_SHARE *share, CHARSET_INFO *cs);
Field_timestamp(bool maybe_null_arg, const char *field_name_arg,
CHARSET_INFO *cs);
enum_field_types type() const { return MYSQL_TYPE_TIMESTAMP;}
enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONG_INT; }
enum Item_result cmp_type () const { return INT_RESULT; }
int store(const char *to,uint length,CHARSET_INFO *charset);
int store(double nr);
int store(int64_t nr, bool unsigned_val);
int reset(void) { ptr[0]=ptr[1]=ptr[2]=ptr[3]=0; return 0; }
double val_real(void);
int64_t val_int(void);
String *val_str(String*,String *);
bool send_binary(Protocol *protocol);
int cmp(const uchar *,const uchar *);
void sort_string(uchar *buff,uint length);
uint32 pack_length() const { return 4; }
void sql_type(String &str) const;
bool can_be_compared_as_int64_t() const { return true; }
bool zero_pack() const { return 0; }
void set_time();
virtual void set_default()
{
if (table->timestamp_field == this &&
unireg_check != TIMESTAMP_UN_FIELD)
set_time();
else
Field::set_default();
}
/* Get TIMESTAMP field value as seconds since begging of Unix Epoch */
inline long get_timestamp(my_bool *null_value)
{
if ((*null_value= is_null()))
return 0;
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
return sint4korr(ptr);
#endif
long tmp;
longget(tmp,ptr);
return tmp;
}
inline void store_timestamp(my_time_t timestamp)
{
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
{
int4store(ptr,timestamp);
}
else
#endif
longstore(ptr,(uint32) timestamp);
}
bool get_date(MYSQL_TIME *ltime,uint fuzzydate);
bool get_time(MYSQL_TIME *ltime);
timestamp_auto_set_type get_auto_set_type() const;
};
#endif
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