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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
*
* 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_HANDLER_STRUCTS_H
#define DRIZZLED_HANDLER_STRUCTS_H
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <drizzled/base.h>
#include <drizzled/structs.h>
#include <drizzled/definitions.h>
#include <drizzled/lex_string.h>
#include "drizzled/global_charset_info.h"
namespace drizzled
{
struct st_key;
typedef struct st_key KEY;
typedef struct st_key_cache KEY_CACHE;
namespace plugin
{
class StorageEngine;
}
typedef struct st_ha_create_information
{
const CHARSET_INFO *table_charset, *default_table_charset;
const char *alias;
uint64_t auto_increment_value;
uint32_t table_options;
uint32_t used_fields;
enum row_type row_type;
plugin::StorageEngine *db_type;
bool table_existed; /* 1 in create if table existed */
} HA_CREATE_INFO;
typedef struct st_ha_alter_information
{
KEY *key_info_buffer;
uint32_t key_count;
uint32_t index_drop_count;
uint32_t *index_drop_buffer;
uint32_t index_add_count;
uint32_t *index_add_buffer;
void *data;
} HA_ALTER_INFO;
typedef struct st_key_create_information
{
enum ha_key_alg algorithm;
uint32_t block_size;
LEX_STRING comment;
} KEY_CREATE_INFO;
typedef struct st_ha_check_opt
{
st_ha_check_opt() {} /* Remove gcc warning */
} HA_CHECK_OPT;
typedef struct st_range_seq_if
{
/*
Initialize the traversal of range sequence
SYNOPSIS
init()
init_params The seq_init_param parameter
n_ranges The number of ranges obtained
flags A combination of HA_MRR_SINGLE_POINT, HA_MRR_FIXED_KEY
RETURN
An opaque value to be used as RANGE_SEQ_IF::next() parameter
*/
range_seq_t (*init)(void *init_params, uint32_t n_ranges, uint32_t flags);
/*
Get the next range in the range sequence
SYNOPSIS
next()
seq The value returned by RANGE_SEQ_IF::init()
range OUT Information about the next range
RETURN
0 - Ok, the range structure filled with info about the next range
1 - No more ranges
*/
uint32_t (*next) (range_seq_t seq, KEY_MULTI_RANGE *range);
} RANGE_SEQ_IF;
/*
This is a buffer area that the handler can use to store rows.
'end_of_used_area' should be kept updated after calls to
read-functions so that other parts of the code can use the
remaining area (until next read calls is issued).
*/
typedef struct st_handler_buffer
{
unsigned char *buffer; /* Buffer one can start using */
unsigned char *buffer_end; /* End of buffer */
unsigned char *end_of_used_area; /* End of area that was used by handler */
} HANDLER_BUFFER;
} /* namespace drizzled */
#endif /* DRIZZLED_HANDLER_STRUCTS_H */
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