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/* Copyright (C) 2006 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Definitions needed for myisamchk/mariachk.c */
/*
Entries marked as "QQ to be removed" are NOT used to
pass check/repair options to xxx_check.c. They are used
internally by xxxchk.c or/and ha_xxxx.cc and should NOT
be stored together with other flags. They should be removed
from the following list to make addition of new flags possible.
*/
#ifndef _myisamchk_h
#define _myisamchk_h
#define T_AUTO_INC 1
#define T_AUTO_REPAIR 2 /* QQ to be removed */
#define T_BACKUP_DATA 4
#define T_CALC_CHECKSUM 8
#define T_CHECK 16 /* QQ to be removed */
#define T_CHECK_ONLY_CHANGED 32 /* QQ to be removed */
#define T_CREATE_MISSING_KEYS 64
#define T_DESCRIPT 128
#define T_DONT_CHECK_CHECKSUM 256
#define T_EXTEND 512
#define T_FAST (1L << 10) /* QQ to be removed */
#define T_FORCE_CREATE (1L << 11) /* QQ to be removed */
#define T_FORCE_UNIQUENESS (1L << 12)
#define T_INFO (1L << 13)
#define T_MEDIUM (1L << 14)
#define T_QUICK (1L << 15) /* QQ to be removed */
#define T_READONLY (1L << 16) /* QQ to be removed */
#define T_REP (1L << 17)
#define T_REP_BY_SORT (1L << 18) /* QQ to be removed */
#define T_REP_PARALLEL (1L << 19) /* QQ to be removed */
#define T_RETRY_WITHOUT_QUICK (1L << 20)
#define T_SAFE_REPAIR (1L << 21)
#define T_SILENT (1L << 22)
#define T_SORT_INDEX (1L << 23) /* QQ to be removed */
#define T_SORT_RECORDS (1L << 24) /* QQ to be removed */
#define T_STATISTICS (1L << 25)
#define T_UNPACK (1L << 26)
#define T_UPDATE_STATE (1L << 27)
#define T_VERBOSE (1L << 28)
#define T_VERY_SILENT (1L << 29)
#define T_WAIT_FOREVER (1L << 30)
#define T_WRITE_LOOP ((ulong) 1L << 31)
#define T_ZEROFILL ((ulonglong) 1L << 32)
#define T_ZEROFILL_KEEP_LSN ((ulonglong) 1L << 33)
/** If repair should not bump create_rename_lsn */
#define T_NO_CREATE_RENAME_LSN ((ulonglong) 1L << 33)
#define T_REP_ANY (T_REP | T_REP_BY_SORT | T_REP_PARALLEL)
/*
Flags used by xxxxchk.c or/and ha_xxxx.cc that are NOT passed
to xxxcheck.c follows:
*/
#define TT_USEFRM 1
#define TT_FOR_UPGRADE 2
#define O_NEW_INDEX 1 /* Bits set in out_flag */
#define O_NEW_DATA 2
#define O_DATA_LOST 4
typedef struct st_sort_key_blocks /* Used when sorting */
{
uchar *buff, *end_pos;
uchar lastkey[HA_MAX_POSSIBLE_KEY_BUFF];
uint last_length;
int inited;
} SORT_KEY_BLOCKS;
/*
MARIA/MYISAM supports several statistics collection
methods. Currently statistics collection method is not stored in
MARIA file and has to be specified for each table analyze/repair
operation in MI_CHECK::stats_method.
*/
typedef enum
{
/* Treat NULLs as inequal when collecting statistics (default for 4.1/5.0) */
MI_STATS_METHOD_NULLS_NOT_EQUAL,
/* Treat NULLs as equal when collecting statistics (like 4.0 did) */
MI_STATS_METHOD_NULLS_EQUAL,
/* Ignore NULLs - count only tuples without NULLs in the index components */
MI_STATS_METHOD_IGNORE_NULLS
} enum_handler_stats_method;
typedef struct st_handler_check_param
{
char *isam_file_name;
MY_TMPDIR *tmpdir;
void *thd;
const char *db_name, *table_name, *op_name;
ulonglong auto_increment_value;
ulonglong max_data_file_length;
ulonglong keys_in_use;
ulonglong max_record_length;
/*
The next two are used to collect statistics, see update_key_parts for
description.
*/
ulonglong unique_count[HA_MAX_KEY_SEG + 1];
ulonglong notnull_count[HA_MAX_KEY_SEG + 1];
my_off_t search_after_block;
my_off_t new_file_pos, key_file_blocks;
my_off_t keydata, totaldata, key_blocks, start_check_pos;
my_off_t used, empty, splits, del_length, link_used, lost;
ha_rows total_records, total_deleted, records,del_blocks;
ha_rows full_page_count, tail_count;
ha_checksum record_checksum, glob_crc;
ha_checksum key_crc[HA_MAX_POSSIBLE_KEY];
ha_checksum tmp_key_crc[HA_MAX_POSSIBLE_KEY];
ha_checksum tmp_record_checksum;
ulonglong org_key_map;
ulonglong testflag;
/* Following is used to check if rows are visible */
ulonglong max_trid, max_found_trid;
ulonglong not_visible_rows_found;
size_t use_buffers, read_buffer_length, write_buffer_length;
size_t sort_buffer_length, sort_key_blocks;
ulong rec_per_key_part[HA_MAX_KEY_SEG * HA_MAX_POSSIBLE_KEY];
double new_rec_per_key_part[HA_MAX_KEY_SEG * HA_MAX_POSSIBLE_KEY];
uint out_flag, warning_printed, error_printed, verbose;
uint opt_sort_key, total_files, max_level;
uint key_cache_block_size, pagecache_block_size;
int tmpfile_createflag, err_count;
myf myf_rw;
uint8 language;
my_bool using_global_keycache, opt_lock_memory, opt_follow_links;
my_bool retry_repair, force_sort, calc_checksum, static_row_size;
char temp_filename[FN_REFLEN];
IO_CACHE read_cache;
enum_handler_stats_method stats_method;
} HA_CHECK;
typedef struct st_sort_ftbuf
{
uchar *buf, *end;
int count;
uchar lastkey[HA_MAX_KEY_BUFF];
} SORT_FT_BUF;
typedef struct st_buffpek {
my_off_t file_pos; /* Where we are in the sort file */
uchar *base, *key; /* Key pointers */
ha_rows count; /* Number of rows in table */
ulong mem_count; /* numbers of keys in memory */
ulong max_keys; /* Max keys in buffert */
} BUFFPEK;
#endif /* _myisamchk_h */
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