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Diffstat (limited to 'include/myisamchk.h')
| -rw-r--r-- | include/myisamchk.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/myisamchk.h b/include/myisamchk.h new file mode 100644 index 00000000..c494c672 --- /dev/null +++ b/include/myisamchk.h @@ -0,0 +1,131 @@ +/* Copyright (C) 2006 MySQL AB + Copyright (c) 2017, MariaDB Corporation. + + 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 02110-1335 USA */ + +/* Definitions needed for myisamchk/mariachk.c */ + +#ifndef _myisamchk_h +#define _myisamchk_h + +#include <my_stack_alloc.h> + +/* + Flags used by xxxxchk.c or/and ha_xxxx.cc that are NOT passed + to xxxcheck.c follows: +*/ + +#define TT_USEFRM 1U +#define TT_FOR_UPGRADE 2U +#define TT_FROM_MYSQL 4U + +/* Bits set in out_flag */ +#define O_NEW_DATA 2U +#define O_DATA_LOST 4U + +/* + 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; + +struct st_myisam_info; + +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]; + ulonglong max_allowed_lsn; + 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, orig_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, error_printed, verbose; + uint opt_sort_key, total_files, max_level; + uint key_cache_block_size, pagecache_block_size; + uint skip_lsn_error_count; + int tmpfile_createflag, err_count; + myf myf_rw; + uint16 language; + my_bool warning_printed, note_printed, wrong_trd_printed; + 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; + void **stack_end_ptr; + 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; + + int (*fix_record)(struct st_myisam_info *info, uchar *record, int keynum); + + mysql_mutex_t print_msg_mutex; + my_bool need_print_msg_lock; + myf malloc_flags; +} HA_CHECK; + + +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 */ |