D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
opt
/
lampp
/
include
/
private
/
Filename :
myisamchk.h
back
Copy
/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 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 /* 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 TT_FROM_MYSQL 4 /* 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; ulonglong sort_buffer_length; ulonglong use_buffers; /* Used as param to getopt() */ size_t read_buffer_length, write_buffer_length, sort_key_blocks; time_t backup_time; /* To sign backup files */ 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, note_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; uint16 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; /* For reporting progress */ uint stage, max_stage; uint progress_counter; /* How often to call _report_progress() */ ulonglong progress, max_progress; mysql_mutex_t print_msg_mutex; my_bool need_print_msg_lock; myf malloc_flags; } 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 */ ha_rows mem_count; /* Numbers of keys in memory */ ha_rows max_keys; /* Max keys in buffert */ } BUFFPEK; #endif /* _myisamchk_h */