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/* - mode: c++ c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* 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
*/
#include <config.h>
#include <algorithm>
#include <uuid/uuid.h>
#include <drizzled/field/uuid.h>
#include <drizzled/error.h>
#include <drizzled/internal/my_sys.h>
#include <drizzled/session.h>
#include <drizzled/table.h>
namespace drizzled
{
namespace field
{
Uuid::Uuid(unsigned char *ptr_arg,
uint32_t len_arg,
unsigned char *null_ptr_arg,
unsigned char null_bit_arg,
const char *field_name_arg) :
Field(ptr_arg, len_arg,
null_ptr_arg,
null_bit_arg,
Field::NONE,
field_name_arg),
is_set(false)
{
}
int Uuid::cmp(const unsigned char *a, const unsigned char *b)
{
return memcmp(a, b, sizeof(uuid_t));
}
int Uuid::store(const char *from, uint32_t length, const CHARSET_INFO * const )
{
ASSERT_COLUMN_MARKED_FOR_WRITE;
type::Uuid uu;
if (is_set)
{
is_set= false;
return 0;
}
if (length != type::Uuid::DISPLAY_LENGTH)
{
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 1;
}
if (uu.parse(from))
{
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 1;
}
uu.pack(ptr);
return 0;
}
int Uuid::store(int64_t , bool )
{
ASSERT_COLUMN_MARKED_FOR_WRITE;
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 1;
}
int Uuid::store_decimal(const drizzled::type::Decimal*)
{
ASSERT_COLUMN_MARKED_FOR_WRITE;
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 1;
}
void Uuid::sql_type(String &res) const
{
res.set_ascii(STRING_WITH_LEN("uuid"));
}
double Uuid::val_real() const
{
ASSERT_COLUMN_MARKED_FOR_READ;
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 0;
}
int64_t Uuid::val_int() const
{
ASSERT_COLUMN_MARKED_FOR_READ;
my_error(ER_INVALID_UUID_VALUE, MYF(ME_FATALERROR));
return 0;
}
#ifdef NOT_YET
void Uuid::generate()
{
uuid_t uu;
uuid_generate_time(uu);
memcpy(ptr, uu, sizeof(uuid_t));
is_set= true;
}
void Uuid::set(const unsigned char *arg)
{
memcpy(ptr, arg, sizeof(uuid_t));
is_set= true;
}
#endif
String *Uuid::val_str(String *val_buffer, String *) const
{
const CHARSET_INFO * const cs= &my_charset_bin;
uint32_t mlength= (type::Uuid::DISPLAY_BUFFER_LENGTH) * cs->mbmaxlen;
type::Uuid uu;
val_buffer->alloc(mlength);
char *buffer=(char*) val_buffer->ptr();
ASSERT_COLUMN_MARKED_FOR_READ;
uu.unpack(ptr);
uu.unparse(buffer);
val_buffer->length(type::Uuid::DISPLAY_LENGTH);
return val_buffer;
}
void Uuid::sort_string(unsigned char *to, uint32_t length_arg)
{
assert(length_arg == type::Uuid::LENGTH);
memcpy(to, ptr, length_arg);
}
bool Uuid::get_date(type::Time <ime, uint32_t ) const
{
type::Uuid uu;
uu.unpack(ptr);
if (uu.isTimeType())
{
struct timeval ret_tv;
memset(&ret_tv, 0, sizeof(struct timeval));
uu.time(ret_tv);
ltime.store(ret_tv);
return false;
}
ltime.reset();
return true;
}
bool Uuid::get_time(type::Time <ime) const
{
return get_date(ltime, 0);
}
} /* namespace field */
} /* namespace drizzled */
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