FM / private

/usr/include/mysql/server/private

Name	Size	Mode	Actions
atomic/	-	0755	rm
data/	-	0755	rm
providers/	-	0755	rm
aligned.h	1136	0644	edit dl rm
aria_backup.h	1787	0644	edit dl rm
assume_aligned.h	2350	0644	edit dl rm
authors.h	10194	0644	edit dl rm
backup.h	1703	0644	edit dl rm
bounded_queue.h	6093	0644	edit dl rm
client_settings.h	1935	0644	edit dl rm
compat56.h	2280	0644	edit dl rm
config.h	14351	0644	edit dl rm
contributors.h	4931	0644	edit dl rm
create_options.h	4193	0644	edit dl rm
create_tmp_table.h	2808	0644	edit dl rm
cset_narrowing.h	3968	0644	edit dl rm
custom_conf.h	1082	0644	edit dl rm
datadict.h	1700	0644	edit dl rm
ddl_log.h	12807	0644	edit dl rm
debug.h	1234	0644	edit dl rm
debug_sync.h	2046	0644	edit dl rm
derived_handler.h	2379	0644	edit dl rm
derror.h	980	0644	edit dl rm
des_key_file.h	1236	0644	edit dl rm
discover.h	1570	0644	edit dl rm
dur_prop.h	1082	0644	edit dl rm
embedded_priv.h	1733	0644	edit dl rm
events.h	4704	0644	edit dl rm
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event_parse_data.h	2899	0644	edit dl rm
event_queue.h	3438	0644	edit dl rm
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field.h	222414	0644	edit dl rm
field_comp.h	1174	0644	edit dl rm
filesort.h	7283	0644	edit dl rm
filesort_utils.h	8195	0644	edit dl rm
ft_global.h	3113	0644	edit dl rm
gcalc_slicescan.h	17330	0644	edit dl rm
gcalc_tools.h	11900	0644	edit dl rm
grant.h	2758	0644	edit dl rm
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gstream.h	2437	0644	edit dl rm
handler.h	199857	0644	edit dl rm
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hash.h	4452	0644	edit dl rm
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ha_partition.h	64696	0644	edit dl rm
ha_sequence.h	6245	0644	edit dl rm
heap.h	9487	0644	edit dl rm
hostname.h	5419	0644	edit dl rm
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init.h	852	0644	edit dl rm
innodb_priv.h	1319	0644	edit dl rm
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key.h	2132	0644	edit dl rm
keycaches.h	1995	0644	edit dl rm
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lex_hash.h	143108	0644	edit dl rm
lex_ident.h	2122	0644	edit dl rm
lex_string.h	4077	0644	edit dl rm
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lf.h	6462	0644	edit dl rm
lock.h	2220	0644	edit dl rm
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log_slow.h	2442	0644	edit dl rm
maria.h	5872	0644	edit dl rm
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mdl.h	38893	0644	edit dl rm
mem_root_array.h	7106	0644	edit dl rm
message.h	1195	0644	edit dl rm
multi_range_read.h	23179	0644	edit dl rm
myisam.h	17506	0644	edit dl rm
myisamchk.h	4734	0644	edit dl rm
myisammrg.h	4897	0644	edit dl rm
myisampack.h	14929	0644	edit dl rm
mysqld.h	41225	0644	edit dl rm
mysqld_default_groups.h	204	0644	edit dl rm
mysqld_suffix.h	1201	0644	edit dl rm
mysys_err.h	3022	0644	edit dl rm
my_alarm.h	2429	0644	edit dl rm
my_apc.h	4747	0644	edit dl rm
my_atomic.h	7281	0644	edit dl rm
my_atomic_wrapper.h	3051	0644	edit dl rm
my_base.h	27750	0644	edit dl rm
my_bit.h	6196	0644	edit dl rm
my_bitmap.h	5502	0644	edit dl rm
my_check_opt.h	2618	0644	edit dl rm
my_compare.h	11194	0644	edit dl rm
my_counter.h	1721	0644	edit dl rm
my_cpu.h	4885	0644	edit dl rm
my_crypt.h	904	0644	edit dl rm
my_decimal.h	14504	0644	edit dl rm
my_default.h	1880	0644	edit dl rm
my_handler_errors.h	4882	0644	edit dl rm
my_json_writer.h	18706	0644	edit dl rm
my_libwrap.h	1183	0644	edit dl rm
my_md5.h	1486	0644	edit dl rm
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parse_file.h	4424	0644	edit dl rm
partition_element.h	5428	0644	edit dl rm
partition_info.h	19864	0644	edit dl rm
password.h	1621	0644	edit dl rm
pfs_file_provider.h	3153	0644	edit dl rm
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pfs_thread_provider.h	5560	0644	edit dl rm
pfs_transaction_provider.h	2846	0644	edit dl rm
privilege.h	28853	0644	edit dl rm
probes_mysql.h	973	0644	edit dl rm
probes_mysql_nodtrace.h	6087	0644	edit dl rm
procedure.h	6819	0644	edit dl rm
protocol.h	12537	0644	edit dl rm
proxy_protocol.h	548	0644	edit dl rm
queues.h	3477	0644	edit dl rm
records.h	3147	0644	edit dl rm
replication.h	16130	0644	edit dl rm
repl_failsafe.h	1585	0644	edit dl rm
rijndael.h	1711	0644	edit dl rm
rowid_filter.h	15474	0644	edit dl rm
rpl_constants.h	3357	0644	edit dl rm
rpl_filter.h	4774	0644	edit dl rm
rpl_gtid.h	29985	0644	edit dl rm
rpl_injector.h	9621	0644	edit dl rm
rpl_mi.h	16636	0644	edit dl rm
rpl_parallel.h	18228	0644	edit dl rm
rpl_record.h	1585	0644	edit dl rm
rpl_record_old.h	1407	0644	edit dl rm
rpl_reporting.h	3713	0644	edit dl rm
rpl_rli.h	36070	0644	edit dl rm
rpl_tblmap.h	3177	0644	edit dl rm
rpl_utility.h	9800	0644	edit dl rm
scheduler.h	3199	0644	edit dl rm
scope.h	4393	0644	edit dl rm
select_handler.h	2228	0644	edit dl rm
semisync.h	2287	0644	edit dl rm
semisync_master.h	25764	0644	edit dl rm
semisync_master_ack_receiver.h	8709	0644	edit dl rm
semisync_slave.h	3736	0644	edit dl rm
service_versions.h	2285	0644	edit dl rm
session_tracker.h	14275	0644	edit dl rm
set_var.h	17331	0644	edit dl rm
slave.h	12392	0644	edit dl rm
socketpair.h	842	0644	edit dl rm
source_revision.h	67	0644	edit dl rm
sp.h	22588	0644	edit dl rm
span.h	3931	0644	edit dl rm
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sp_cache.h	2037	0644	edit dl rm
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sql_admin.h	2915	0644	edit dl rm
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sql_alter.h	15395	0644	edit dl rm
sql_analyse.h	11052	0644	edit dl rm
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sql_array.h	6858	0644	edit dl rm
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sql_base.h	26050	0644	edit dl rm
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sql_bootstrap.h	1812	0644	edit dl rm
sql_cache.h	21676	0644	edit dl rm
sql_callback.h	1542	0644	edit dl rm
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sql_cursor.h	4428	0644	edit dl rm
sql_db.h	2438	0644	edit dl rm
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sql_hset.h	3401	0644	edit dl rm
sql_insert.h	5173	0644	edit dl rm
sql_i_s.h	8487	0644	edit dl rm
sql_join_cache.h	48659	0644	edit dl rm
sql_lex.h	174931	0644	edit dl rm
sql_lifo_buffer.h	9685	0644	edit dl rm
sql_limit.h	3187	0644	edit dl rm
sql_list.h	22391	0644	edit dl rm
sql_load.h	1276	0644	edit dl rm
sql_locale.h	2701	0644	edit dl rm
sql_manager.h	960	0644	edit dl rm
sql_mode.h	6735	0644	edit dl rm
sql_parse.h	8970	0644	edit dl rm
sql_partition.h	12674	0644	edit dl rm
sql_partition_admin.h	5940	0644	edit dl rm
sql_plist.h	7711	0644	edit dl rm
sql_plugin.h	7577	0644	edit dl rm
sql_plugin_compat.h	2237	0644	edit dl rm
sql_prepare.h	11409	0644	edit dl rm
sql_priv.h	18528	0644	edit dl rm
sql_profile.h	7816	0644	edit dl rm
sql_reload.h	1036	0644	edit dl rm
sql_rename.h	982	0644	edit dl rm
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sql_schema.h	3303	0644	edit dl rm
sql_select.h	89743	0644	edit dl rm
sql_sequence.h	5177	0644	edit dl rm
sql_servers.h	1777	0644	edit dl rm
sql_show.h	9819	0644	edit dl rm
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sql_string.h	39009	0644	edit dl rm
sql_table.h	9812	0644	edit dl rm
sql_test.h	2665	0644	edit dl rm
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table.h	119009	0644	edit dl rm
table_cache.h	4232	0644	edit dl rm
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threadpool_winsockets.h	2290	0644	edit dl rm
thread_cache.h	5905	0644	edit dl rm
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transaction.h	1466	0644	edit dl rm
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t_ctype.h	5639	0644	edit dl rm
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welcome_copyright_notice.h	1218	0644	edit dl rm
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wsrep_types.h	1110	0644	edit dl rm
wsrep_utils.h	10251	0644	edit dl rm
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wsrep_xid.h	1509	0644	edit dl rm
xa.h	1845	0644	edit dl rm

Edit: /usr/include/mysql/server/private/myisam.h (17506B)

/*
   Copyright (c) 2000, 2013, Oracle and/or its affiliates.
   Copyright (c) 2009, 2013, Monty Program 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; 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 02110-1335  USA */

/* This file should be included when using myisam_functions */

#ifndef _myisam_h
#define _myisam_h
#ifdef	__cplusplus
extern "C" {
#endif

#include <my_base.h>
#include <m_ctype.h>
#include "keycache.h"
#include "my_compare.h"
#include <myisamchk.h>
#include <mysql/plugin.h>
#include <my_check_opt.h>
/*
  Limit max keys according to HA_MAX_POSSIBLE_KEY; See myisamchk.h for details
*/

#if MAX_INDEXES > HA_MAX_POSSIBLE_KEY
#define MI_MAX_KEY                  HA_MAX_POSSIBLE_KEY /* Max allowed keys */
#else
#define MI_MAX_KEY                  MAX_INDEXES         /* Max allowed keys */
#endif

#define MI_MAX_POSSIBLE_KEY_BUFF    HA_MAX_POSSIBLE_KEY_BUFF
/*
  The following defines can be increased if necessary.
  But beware the dependency of MI_MAX_POSSIBLE_KEY_BUFF and MI_MAX_KEY_LENGTH.
*/
#define MI_MAX_KEY_LENGTH           1000            /* Max length in bytes */
#define MI_MAX_KEY_SEG              16              /* Max segments for key */

#define MI_NAME_IEXT	".MYI"
#define MI_NAME_DEXT	".MYD"

/* Possible values for myisam_block_size (must be power of 2) */
#define MI_KEY_BLOCK_LENGTH	1024	/* default key block length */
#define MI_MIN_KEY_BLOCK_LENGTH	1024	/* Min key block length */
#define MI_MAX_KEY_BLOCK_LENGTH	16384

/*
  In the following macros '_keyno_' is 0 .. keys-1.
  If there can be more keys than bits in the key_map, the highest bit
  is for all upper keys. They cannot be switched individually.
  This means that clearing of high keys is ignored, setting one high key
  sets all high keys.
*/
#define MI_KEYMAP_BITS      (8 * SIZEOF_LONG_LONG)
#define MI_KEYMAP_HIGH_MASK (1ULL << (MI_KEYMAP_BITS - 1))
#define mi_get_mask_all_keys_active(_keys_) \
                            (((_keys_) < MI_KEYMAP_BITS) ? \
                             ((1ULL << (_keys_)) - 1ULL) : \
                             (~ 0ULL))

#if MI_MAX_KEY > MI_KEYMAP_BITS

#define mi_is_key_active(_keymap_,_keyno_) \
                            (((_keyno_) < MI_KEYMAP_BITS) ? \
                             MY_TEST((_keymap_) & (1ULL << (_keyno_))) : \
                             MY_TEST((_keymap_) & MI_KEYMAP_HIGH_MASK))
#define mi_set_key_active(_keymap_,_keyno_) \
                            (_keymap_)|= (((_keyno_) < MI_KEYMAP_BITS) ? \
                                          (1ULL << (_keyno_)) : \
                                          MI_KEYMAP_HIGH_MASK)
#define mi_clear_key_active(_keymap_,_keyno_) \
                            (_keymap_)&= (((_keyno_) < MI_KEYMAP_BITS) ? \
                                          (~ (1ULL << (_keyno_))) : \
                                          (~ (0ULL)) /*ignore*/ )

#else

#define mi_is_key_active(_keymap_,_keyno_) \
                            MY_TEST((_keymap_) & (1ULL << (_keyno_)))
#define mi_set_key_active(_keymap_,_keyno_) \
                            (_keymap_)|= (1ULL << (_keyno_))
#define mi_clear_key_active(_keymap_,_keyno_) \
                            (_keymap_)&= (~ (1ULL << (_keyno_)))

#endif

#define mi_is_any_key_active(_keymap_) \
                            MY_TEST((_keymap_))
#define mi_is_all_keys_active(_keymap_,_keys_) \
                            ((_keymap_) == mi_get_mask_all_keys_active(_keys_))
#define mi_set_all_keys_active(_keymap_,_keys_) \
                            (_keymap_)= mi_get_mask_all_keys_active(_keys_)
#define mi_clear_all_keys_active(_keymap_) \
                            (_keymap_)= 0
#define mi_intersect_keys_active(_to_,_from_) \
                            (_to_)&= (_from_)
#define mi_is_any_intersect_keys_active(_keymap1_,_keys_,_keymap2_) \
                            ((_keymap1_) & (_keymap2_) & \
                             mi_get_mask_all_keys_active(_keys_))
#define mi_copy_keys_active(_to_,_maxkeys_,_from_) \
                            (_to_)= (mi_get_mask_all_keys_active(_maxkeys_) & \
                                     (_from_))

/* Param to/from mi_info */

typedef struct st_mi_isaminfo		/* Struct from h_info */
{
  ha_rows records;			/* Records in database */
  ha_rows deleted;			/* Deleted records in database */
  my_off_t recpos;			/* Pos for last used record */
  my_off_t newrecpos;			/* Pos if we write new record */
  my_off_t dupp_key_pos;		/* Position to record with dupp key */
  my_off_t data_file_length,		/* Length of data file */
           max_data_file_length,
           index_file_length,
           max_index_file_length,
           delete_length;
  ulong reclength;			/* Recordlength */
  ulong mean_reclength;			/* Mean recordlength (if packed) */
  ulonglong auto_increment;
  ulonglong key_map;			/* Which keys are used */
  char  *data_file_name, *index_file_name;
  uint  keys;				/* Number of keys in use */
  uint	options;			/* HA_OPTION_... used */
  int	errkey,				/* With key was dupplicated on err */
	sortkey;			/* clustered by this key */
  File	filenr;				/* (uniq) filenr for datafile */
  time_t create_time;			/* When table was created */
  time_t check_time;
  time_t update_time;
  uint  reflength;
  ulong record_offset;
  ulong *rec_per_key;			/* for sql optimizing */
} MI_ISAMINFO;

typedef struct st_mi_create_info
{
  const char *index_file_name, *data_file_name;	/* If using symlinks */
  ha_rows max_rows;
  ha_rows reloc_rows;
  ulonglong auto_increment;
  ulonglong data_file_length;
  ulonglong key_file_length;
  uint old_options;
  uint16 language;
  my_bool with_auto_increment;
} MI_CREATE_INFO;

struct st_myisam_info;			/* For reference */
struct st_mi_isam_share;
typedef struct st_myisam_info MI_INFO;
struct st_mi_s_param;

typedef struct st_mi_keydef		/* Key definition with open & info */
{
  struct st_mi_isam_share *share;       /* Pointer to base (set in mi_open) */
  uint16 keysegs;			/* Number of key-segment */
  uint16 flag;				/* NOSAME, PACK_USED */

uint8  key_alg;			/* BTREE, RTREE */
  uint16 block_length;			/* Length of keyblock (auto) */
  uint16 underflow_block_length;	/* When to execute underflow */
  uint16 keylength;			/* Tot length of keyparts (auto) */
  uint16 minlength;			/* min length of (packed) key (auto) */
  uint16 maxlength;			/* max length of (packed) key (auto) */
  uint16 block_size_index;		/* block_size (auto) */
  uint32 version;			/* For concurrent read/write */
  uint32 ftkey_nr;                      /* full-text index number */

HA_KEYSEG *seg,*end;
  struct st_mysql_ftparser *parser;     /* Fulltext [pre]parser */
  int (*bin_search)(struct st_myisam_info *info,struct st_mi_keydef *keyinfo,
		    uchar *page,uchar *key,
		    uint key_len,uint comp_flag,uchar * *ret_pos,
		    uchar *buff, my_bool *was_last_key);
  uint (*get_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar * *page,
		  uchar *key);
  int (*pack_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar *next_key,
		  uchar *org_key, uchar *prev_key, uchar *key,
		  struct st_mi_s_param *s_temp);
  void (*store_key)(struct st_mi_keydef *keyinfo, uchar *key_pos,
		    struct st_mi_s_param *s_temp);
  int (*ck_insert)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
  int (*ck_delete)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
} MI_KEYDEF;

#define MI_UNIQUE_HASH_LENGTH	4

typedef struct st_unique_def		/* Segment definition of unique */
{
  uint16 keysegs;			/* Number of key-segment */
  uchar key;				/* Mapped to which key */
  uint8 null_are_equal;
  HA_KEYSEG *seg,*end;
} MI_UNIQUEDEF;

typedef struct st_mi_decode_tree	/* Decode huff-table */
{
  uint16 *table;
  uint	 quick_table_bits;
  uchar	 *intervalls;
} MI_DECODE_TREE;

struct st_mi_bit_buff;

/*
  Note that null markers should always be first in a row !
  When creating a column, one should only specify:
  type, length, null_bit and null_pos
*/

typedef struct st_columndef		/* column information */
{
  enum en_fieldtype type;
  uint16 length;			/* length of field */
  uint32 offset;			/* Offset to position in row */
  uint8  null_bit;			/* If column may be 0 */
  uint16 null_pos;			/* position for null marker */

#ifndef NOT_PACKED_DATABASES
  void (*unpack)(struct st_columndef *rec,struct st_mi_bit_buff *buff,
		 uchar *start,uchar *end);
  enum en_fieldtype base_type;
  uint space_length_bits,pack_type;
  MI_DECODE_TREE *huff_tree;
#endif
} MI_COLUMNDEF;

extern char * myisam_log_filename;		/* Name of logfile */
extern ulong myisam_block_size;
extern ulong myisam_concurrent_insert;
extern my_bool myisam_flush,myisam_delay_key_write,myisam_single_user;
extern my_off_t myisam_max_temp_length;
extern ulong myisam_data_pointer_size;

/* usually used to check if a symlink points into the mysql data home */
/* which is normally forbidden                                        */
extern int (*myisam_test_invalid_symlink)(const char *filename);
extern ulonglong myisam_mmap_size, myisam_mmap_used;
extern mysql_mutex_t THR_LOCK_myisam_mmap;

/* Prototypes for myisam-functions */

extern int mi_close(struct st_myisam_info *file);
extern int mi_delete(struct st_myisam_info *file,const uchar *buff);
extern struct st_myisam_info *mi_open(const char *name,int mode,
				      uint wait_if_locked);
extern int mi_panic(enum ha_panic_function function);
extern int mi_rfirst(struct st_myisam_info *file,uchar *buf,int inx);
extern int mi_rkey(MI_INFO *info, uchar *buf, int inx, const uchar *key,
                   key_part_map keypart_map, enum ha_rkey_function search_flag);
extern int mi_rlast(struct st_myisam_info *file,uchar *buf,int inx);
extern int mi_rnext(struct st_myisam_info *file,uchar *buf,int inx);
extern int mi_rnext_same(struct st_myisam_info *info, uchar *buf);
extern int mi_rprev(struct st_myisam_info *file,uchar *buf,int inx);
extern int mi_rrnd(struct st_myisam_info *file,uchar *buf, my_off_t pos);
extern int mi_scan_init(struct st_myisam_info *file);
extern int mi_scan(struct st_myisam_info *file,uchar *buf);
extern int mi_rsame(struct st_myisam_info *file,uchar *record,int inx);
extern int mi_rsame_with_pos(struct st_myisam_info *file,uchar *record,
			     int inx, my_off_t pos);
extern int mi_update(struct st_myisam_info *file,const uchar *old,
		     const uchar *new_record);
extern int mi_write(struct st_myisam_info *file,const uchar *buff);
extern my_off_t mi_position(struct st_myisam_info *file);
extern int mi_status(struct st_myisam_info *info, MI_ISAMINFO *x, uint flag);
extern int mi_lock_database(struct st_myisam_info *file,int lock_type);
extern int mi_create(const char *name,uint keys,MI_KEYDEF *keydef,
		     uint columns, MI_COLUMNDEF *columndef,
		     uint uniques, MI_UNIQUEDEF *uniquedef,
		     MI_CREATE_INFO *create_info, uint flags);
extern int mi_delete_table(const char *name);
extern int mi_rename(const char *from, const char *to);
extern int mi_extra(struct st_myisam_info *file,
		    enum ha_extra_function function,
		    void *extra_arg);
extern int mi_reset(struct st_myisam_info *file);
extern ha_rows mi_records_in_range(MI_INFO *info,int inx,
                                   const key_range *min_key,
                                   const key_range *max_key,
                                   page_range *pages);
extern int mi_log(int activate_log);
extern int mi_is_changed(struct st_myisam_info *info);
extern int mi_delete_all_rows(struct st_myisam_info *info);
extern ulong _mi_calc_blob_length(uint length , const uchar *pos);
extern uint mi_get_pointer_length(ulonglong file_length, uint def);
extern int mi_make_backup_of_index(struct st_myisam_info *info,
                                   time_t backup_time, myf flags);
#define myisam_max_key_length() HA_MAX_KEY_LENGTH
#define myisam_max_key_segments() HA_MAX_KEY_SEG

#define MEMMAP_EXTRA_MARGIN     7       /* Write this as a suffix for mmap file */
/* this is used to pass to mysql_myisamchk_table */

#define   MYISAMCHK_REPAIR 1  /* equivalent to myisamchk -r */
#define   MYISAMCHK_VERIFY 2  /* Verify, run repair if failure */

typedef uint mi_bit_type;
typedef struct st_sort_key_blocks SORT_KEY_BLOCKS;
typedef struct st_sort_ftbuf SORT_FT_BUF;

typedef struct st_mi_bit_buff
{                                       /* Used for packing of record */
  mi_bit_type current_byte;
  uint bits;
  uchar *pos, *end, *blob_pos, *blob_end;
  uint error;
} MI_BIT_BUFF;

typedef struct st_sort_info
{
  /* sync things */
  mysql_mutex_t mutex;
  mysql_cond_t  cond;
  MI_INFO *info;
  HA_CHECK *param;
  uchar *buff;
  SORT_KEY_BLOCKS *key_block, *key_block_end;
  SORT_FT_BUF *ft_buf;
  my_off_t filelength, dupp, buff_length;
  ha_rows max_records;
  uint current_key, total_keys;
  volatile uint got_error;
  uint threads_running;
  myf myf_rw;
  enum data_file_type new_data_file_type;
} MI_SORT_INFO;

typedef struct st_mi_sort_param
{
  pthread_t thr;
  IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
  DYNAMIC_ARRAY buffpek;
  MI_BIT_BUFF   bit_buff;               /* For parallel repair of packrec. */

MI_KEYDEF *keyinfo;
  MI_SORT_INFO *sort_info;
  HA_KEYSEG *seg;
  uchar **sort_keys;
  uchar *rec_buff;
  void *wordlist, *wordptr;
  MEM_ROOT wordroot;
  uchar *record;
  MY_TMPDIR *tmpdir;

/*
    The next two are used to collect statistics, see update_key_parts for
    description.
  */
  ulonglong unique[HA_MAX_KEY_SEG+1];
  ulonglong notnull[HA_MAX_KEY_SEG+1];

my_off_t pos,max_pos,filepos,start_recpos;
  uint key, key_length,real_key_length;
  uint maxbuffers, find_length;
  ulonglong sortbuff_size;
  ha_rows keys;
  my_bool fix_datafile, master;
  my_bool calc_checksum;                /* calculate table checksum */

int (*key_cmp)(void *, const void *, const void *);
  int (*key_read)(struct st_mi_sort_param *,void *);
  int (*key_write)(struct st_mi_sort_param *, const void *);
  void (*lock_in_memory)(HA_CHECK *);
  int (*write_keys)(struct st_mi_sort_param *, uchar **,
                    ulonglong , struct st_buffpek *, IO_CACHE *);
  my_off_t (*read_to_buffer)(IO_CACHE *,struct st_buffpek *, uint);
  int (*write_key)(struct st_mi_sort_param *, IO_CACHE *,uchar *,
                   uint, ulonglong);
} MI_SORT_PARAM;

/* functions in mi_check */
void myisamchk_init(HA_CHECK *param);
int chk_status(HA_CHECK *param, MI_INFO *info);
int chk_del(HA_CHECK *param, MI_INFO *info, ulonglong test_flag);
int chk_size(HA_CHECK *param, MI_INFO *info);
int chk_key(HA_CHECK *param, MI_INFO *info);
int chk_data_link(HA_CHECK *param, MI_INFO *info, my_bool extend);
int mi_repair(HA_CHECK *param, MI_INFO *info, char * name, int rep_quick);
int mi_sort_index(HA_CHECK *param, MI_INFO *info, char * name);
int mi_repair_by_sort(HA_CHECK *param, MI_INFO *info,
		      const char * name, int rep_quick);
int mi_repair_parallel(HA_CHECK *param, MI_INFO *info,
		      const char * name, int rep_quick);
int change_to_newfile(const char * filename, const char * old_ext,
                      const char * new_ext, time_t backup_time, myf myflags);
int lock_file(HA_CHECK *param, File file, my_off_t start, int lock_type,
	      const char *filetype, const char *filename);
void lock_memory(HA_CHECK *param);
void update_auto_increment_key(HA_CHECK *param, MI_INFO *info,
			       my_bool repair);
int update_state_info(HA_CHECK *param, MI_INFO *info,uint update);
void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part,
                      ulonglong *unique, ulonglong *notnull,
                      ulonglong records);
int filecopy(HA_CHECK *param, File to,File from,my_off_t start,
	     my_off_t length, const char *type);
int movepoint(MI_INFO *info,uchar *record,my_off_t oldpos,
	      my_off_t newpos, uint prot_key);
int write_data_suffix(MI_SORT_INFO *sort_info, my_bool fix_datafile);
int test_if_almost_full(MI_INFO *info);
int recreate_table(HA_CHECK *param, MI_INFO **org_info, char *filename);
void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows);
my_bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, ulonglong key_map,
			    my_bool force);

int mi_init_bulk_insert(MI_INFO *info, size_t cache_size, ha_rows rows);
void mi_flush_bulk_insert(MI_INFO *info, uint inx);
int mi_end_bulk_insert(MI_INFO *info, my_bool abort);
int mi_assign_to_key_cache(MI_INFO *info, ulonglong key_map,
			   KEY_CACHE *key_cache);
void mi_change_key_cache(KEY_CACHE *old_key_cache,
			 KEY_CACHE *new_key_cache);
int mi_preload(MI_INFO *info, ulonglong key_map, my_bool ignore_leaves);

int write_data_suffix(MI_SORT_INFO *sort_info, my_bool fix_datafile);
int flush_pending_blocks(MI_SORT_PARAM *param);
int sort_ft_buf_flush(MI_SORT_PARAM *sort_param);
int thr_write_keys(MI_SORT_PARAM *sort_param);
int sort_write_record(MI_SORT_PARAM *sort_param);
int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages, ulonglong);
my_bool mi_too_big_key_for_sort(MI_KEYDEF *key, ha_rows rows);

#ifdef	__cplusplus
}
#endif
#endif

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