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Diffstat (limited to 'storage/maria/maria_def.h')
| -rw-r--r-- | storage/maria/maria_def.h | 1765 |
1 files changed, 1765 insertions, 0 deletions
diff --git a/storage/maria/maria_def.h b/storage/maria/maria_def.h new file mode 100644 index 00000000..91e1b10a --- /dev/null +++ b/storage/maria/maria_def.h @@ -0,0 +1,1765 @@ +/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB + Copyright (c) 2009, 2020, MariaDB Corporation 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 Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* This file is included by all internal maria files */ + +#ifndef MARIA_DEF_INCLUDED +#define MARIA_DEF_INCLUDED + +#include <my_global.h> + +#ifdef EMBEDDED_LIBRARY +#undef WITH_S3_STORAGE_ENGINE +#endif + +#include "maria.h" /* Structs & some defines */ +#include "ma_pagecache.h" +#include <myisampack.h> /* packing of keys */ +#include <my_tree.h> +#include <my_bitmap.h> +#include <my_pthread.h> +#include <thr_lock.h> +#include <hash.h> +#include "ma_loghandler.h" +#include "ma_control_file.h" +#include "ma_state.h" +#include <waiting_threads.h> +#include <mysql/psi/mysql_file.h> + +#define MARIA_CANNOT_ROLLBACK + +C_MODE_START + +/* + Limit max keys according to HA_MAX_POSSIBLE_KEY; See myisamchk.h for details +*/ + +#if MAX_INDEXES > HA_MAX_POSSIBLE_KEY +#define MARIA_MAX_KEY HA_MAX_POSSIBLE_KEY /* Max allowed keys */ +#else +#define MARIA_MAX_KEY MAX_INDEXES /* Max allowed keys */ +#endif + +#define MARIA_NAME_IEXT ".MAI" +#define MARIA_NAME_DEXT ".MAD" +/* Max extra space to use when sorting keys */ +#define MARIA_MAX_TEMP_LENGTH (2*1024L*1024L*1024L) +/* Possible values for maria_block_size (must be power of 2) */ +#define MARIA_KEY_BLOCK_LENGTH 8192 /* default key block length */ +#define MARIA_MIN_KEY_BLOCK_LENGTH 1024 /* Min key block length */ +#define MARIA_MAX_KEY_BLOCK_LENGTH 32768 +/* Minimal page cache when we only want to be able to scan a table */ +#define MARIA_MIN_PAGE_CACHE_SIZE (8192L*16L) + +/* + 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 MARIA_KEYMAP_BITS (8 * SIZEOF_LONG_LONG) +#define MARIA_KEYMAP_HIGH_MASK (1ULL << (MARIA_KEYMAP_BITS - 1)) +#define maria_get_mask_all_keys_active(_keys_) \ + (((_keys_) < MARIA_KEYMAP_BITS) ? \ + ((1ULL << (_keys_)) - 1ULL) : \ + (~ 0ULL)) +#if MARIA_MAX_KEY > MARIA_KEYMAP_BITS +#define maria_is_key_active(_keymap_,_keyno_) \ + (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + MY_TEST((_keymap_) & (1ULL << (_keyno_))) : \ + MY_TEST((_keymap_) & MARIA_KEYMAP_HIGH_MASK)) +#define maria_set_key_active(_keymap_,_keyno_) \ + (_keymap_)|= (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + (1ULL << (_keyno_)) : \ + MARIA_KEYMAP_HIGH_MASK) +#define maria_clear_key_active(_keymap_,_keyno_) \ + (_keymap_)&= (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + (~ (1ULL << (_keyno_))) : \ + (~ (0ULL)) /*ignore*/ ) +#else +#define maria_is_key_active(_keymap_,_keyno_) \ + MY_TEST((_keymap_) & (1ULL << (_keyno_))) +#define maria_set_key_active(_keymap_,_keyno_) \ + (_keymap_)|= (1ULL << (_keyno_)) +#define maria_clear_key_active(_keymap_,_keyno_) \ + (_keymap_)&= (~ (1ULL << (_keyno_))) +#endif +#define maria_is_any_key_active(_keymap_) \ + MY_TEST((_keymap_)) +#define maria_is_all_keys_active(_keymap_,_keys_) \ + ((_keymap_) == maria_get_mask_all_keys_active(_keys_)) +#define maria_set_all_keys_active(_keymap_,_keys_) \ + (_keymap_)= maria_get_mask_all_keys_active(_keys_) +#define maria_clear_all_keys_active(_keymap_) \ + (_keymap_)= 0 +#define maria_intersect_keys_active(_to_,_from_) \ + (_to_)&= (_from_) +#define maria_is_any_intersect_keys_active(_keymap1_,_keys_,_keymap2_) \ + ((_keymap1_) & (_keymap2_) & \ + maria_get_mask_all_keys_active(_keys_)) +#define maria_copy_keys_active(_to_,_maxkeys_,_from_) \ + (_to_)= (maria_get_mask_all_keys_active(_maxkeys_) & \ + (_from_)) + + /* Param to/from maria_info */ + +typedef struct st_maria_info +{ + ha_rows records; /* Records in database */ + ha_rows deleted; /* Deleted records in database */ + MARIA_RECORD_POS recpos; /* Pos for last used record */ + MARIA_RECORD_POS newrecpos; /* Pos if we write new record */ + MARIA_RECORD_POS dup_key_pos; /* Position to record with dup key */ + my_off_t data_file_length; /* Length of data file */ + my_off_t max_data_file_length, index_file_length; + my_off_t max_index_file_length, delete_length; + ulonglong auto_increment; + ulonglong key_map; /* Which keys are used */ + time_t create_time; /* When table was created */ + time_t check_time; + time_t update_time; + ulong record_offset; + double *rec_per_key; /* for sql optimizing */ + ulong reclength; /* Recordlength */ + ulong mean_reclength; /* Mean recordlength (if packed) */ + char *data_file_name, *index_file_name; + enum data_file_type data_file_type; + uint keys; /* Number of keys in use */ + uint options; /* HA_OPTION_... used */ + uint reflength; + int errkey, /* With key was dupplicated on err */ + sortkey; /* clustered by this key */ + File filenr; /* (uniq) filenr for datafile */ +} MARIA_INFO; + +struct st_maria_share; +struct st_maria_handler; /* For referense */ +struct st_maria_keydef; + +struct st_maria_key /* Internal info about a key */ +{ + uchar *data; /* Data for key */ + struct st_maria_keydef *keyinfo; /* Definition for key */ + uint data_length; /* Length of key data */ + uint ref_length; /* record ref + transid */ + uint32 flag; /* 0 or SEARCH_PART_KEY */ +}; + +struct st_maria_decode_tree /* Decode huff-table */ +{ + uint16 *table; + uint quick_table_bits; + uchar *intervalls; +}; + + +typedef struct s3_info S3_INFO; + +extern ulong maria_block_size, maria_checkpoint_frequency; +extern ulong maria_concurrent_insert; +extern my_bool maria_flush, maria_single_user, maria_page_checksums; +extern my_off_t maria_max_temp_length; +extern ulong maria_bulk_insert_tree_size, maria_data_pointer_size; +extern MY_TMPDIR *maria_tmpdir; +extern my_bool maria_encrypt_tables; + +/* + This is used to check if a symlink points into the mysql data home, + which is normally forbidden as it can be used to get access to + not privileged data +*/ +extern int (*maria_test_invalid_symlink)(const char *filename); + + /* Prototypes for maria-functions */ + +extern int maria_init(void); +extern void maria_end(void); +extern my_bool maria_upgrade(void); +extern int maria_close(MARIA_HA *file); +extern int maria_delete(MARIA_HA *file, const uchar *buff); +extern MARIA_HA *maria_open(const char *name, int mode, + uint wait_if_locked, S3_INFO *s3); +extern int maria_panic(enum ha_panic_function function); +extern int maria_rfirst(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rkey(MARIA_HA *file, uchar *buf, int inx, + const uchar *key, key_part_map keypart_map, + enum ha_rkey_function search_flag); +extern int maria_rlast(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rnext(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rnext_same(MARIA_HA *info, uchar *buf); +extern int maria_rprev(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rrnd(MARIA_HA *file, uchar *buf, + MARIA_RECORD_POS pos); +extern int maria_scan_init(MARIA_HA *file); +extern int maria_scan(MARIA_HA *file, uchar *buf); +extern void maria_scan_end(MARIA_HA *file); +extern int maria_rsame(MARIA_HA *file, uchar *record, int inx); +extern int maria_rsame_with_pos(MARIA_HA *file, uchar *record, + int inx, MARIA_RECORD_POS pos); +extern int maria_update(MARIA_HA *file, const uchar *old, + const uchar *new_record); +extern int maria_write(MARIA_HA *file, const uchar *buff); +extern MARIA_RECORD_POS maria_position(MARIA_HA *file); +extern int maria_status(MARIA_HA *info, MARIA_INFO *x, uint flag); +extern int maria_lock_database(MARIA_HA *file, int lock_type); +extern int maria_delete_table(const char *name); +extern int maria_rename(const char *from, const char *to); +extern int maria_extra(MARIA_HA *file, + enum ha_extra_function function, void *extra_arg); +extern int maria_reset(MARIA_HA *file); +extern ha_rows maria_records_in_range(MARIA_HA *info, int inx, + const key_range *min_key, + const key_range *max_key, + page_range *page); +extern int maria_is_changed(MARIA_HA *info); +extern int maria_delete_all_rows(MARIA_HA *info); +extern uint maria_get_pointer_length(ulonglong file_length, uint def); +extern int maria_commit(MARIA_HA *info); +extern int maria_begin(MARIA_HA *info); +extern void maria_disable_logging(MARIA_HA *info); +extern void maria_enable_logging(MARIA_HA *info); + +#define HA_RECOVER_NONE 0 /* No automatic recover */ +#define HA_RECOVER_DEFAULT 1 /* Automatic recover active */ +#define HA_RECOVER_BACKUP 2 /* Make a backupfile on recover */ +#define HA_RECOVER_FORCE 4 /* Recover even if we loose rows */ +#define HA_RECOVER_QUICK 8 /* Don't check rows in data file */ + +#define HA_RECOVER_ANY (HA_RECOVER_DEFAULT | HA_RECOVER_BACKUP | HA_RECOVER_FORCE | HA_RECOVER_QUICK) + +/* this is used to pass to mysql_mariachk_table */ + +#define MARIA_CHK_REPAIR 1 /* equivalent to mariachk -r */ +#define MARIA_CHK_VERIFY 2 /* Verify, run repair if failure */ + +typedef uint maria_bit_type; + +typedef struct st_maria_bit_buff +{ /* Used for packing of record */ + maria_bit_type current_byte; + uint bits; + uchar *pos, *end, *blob_pos, *blob_end; + uint error; +} MARIA_BIT_BUFF; + +/* functions in maria_check */ +void maria_chk_init(HA_CHECK *param); +void maria_chk_init_for_check(HA_CHECK *param, MARIA_HA *info); +int maria_chk_status(HA_CHECK *param, MARIA_HA *info); +int maria_chk_del(HA_CHECK *param, MARIA_HA *info, ulonglong test_flag); +int maria_chk_size(HA_CHECK *param, MARIA_HA *info); +int maria_chk_key(HA_CHECK *param, MARIA_HA *info); +int maria_chk_data_link(HA_CHECK *param, MARIA_HA *info, my_bool extend); +int maria_repair(HA_CHECK *param, MARIA_HA *info, char * name, my_bool); +int maria_sort_index(HA_CHECK *param, MARIA_HA *info, char * name); +int maria_zerofill(HA_CHECK *param, MARIA_HA *info, const char *name); +int maria_repair_by_sort(HA_CHECK *param, MARIA_HA *info, + const char *name, my_bool rep_quick); +int maria_repair_parallel(HA_CHECK *param, MARIA_HA *info, + const char *name, my_bool rep_quick); +int maria_change_to_newfile(const char *filename, const char *old_ext, + const char *new_ext, time_t backup_time, + myf myflags); +void maria_lock_memory(HA_CHECK *param); +int maria_update_state_info(HA_CHECK *param, MARIA_HA *info, uint update); +void maria_update_key_parts(MARIA_KEYDEF *keyinfo, double *rec_per_key_part, + ulonglong *unique, ulonglong *notnull, + ulonglong records); +int maria_filecopy(HA_CHECK *param, File to, File from, my_off_t start, + my_off_t length, const char *type); +int maria_movepoint(MARIA_HA *info, uchar *record, my_off_t oldpos, + my_off_t newpos, uint prot_key); +int maria_test_if_almost_full(MARIA_HA *info); +int maria_recreate_table(HA_CHECK *param, MARIA_HA **org_info, char *filename); +int maria_disable_indexes(MARIA_HA *info); +int maria_enable_indexes(MARIA_HA *info); +int maria_indexes_are_disabled(MARIA_HA *info); +void maria_disable_indexes_for_rebuild(MARIA_HA *info, ha_rows rows, + my_bool all_keys); +my_bool maria_test_if_sort_rep(MARIA_HA *info, ha_rows rows, ulonglong key_map, + my_bool force); + +int maria_init_bulk_insert(MARIA_HA *info, size_t cache_size, ha_rows rows); +void maria_flush_bulk_insert(MARIA_HA *info, uint inx); +int maria_end_bulk_insert(MARIA_HA *info, my_bool abort); +int maria_preload(MARIA_HA *info, ulonglong key_map, my_bool ignore_leaves); +void maria_ignore_trids(MARIA_HA *info); +my_bool maria_too_big_key_for_sort(MARIA_KEYDEF *key, ha_rows rows); + +/* fulltext functions */ +FT_INFO *maria_ft_init_search(uint,void *, uint, uchar *, size_t, + CHARSET_INFO *, uchar *); + +/* 'Almost-internal' Maria functions */ + +void _ma_update_auto_increment_key(HA_CHECK *param, MARIA_HA *info, + my_bool repair); + + +/* Do extra sanity checking */ +#define SANITY_CHECKS 1 +#ifdef EXTRA_DEBUG +#define EXTRA_DEBUG_KEY_CHANGES +#endif +/* + The following defines can be used when one has problems with redo logging + Setting this will log the full key page which can be compared with the + redo-changed key page. This will however make the aria log files MUCH bigger. +*/ +#if defined(EXTRA_ARIA_DEBUG) +#define EXTRA_STORE_FULL_PAGE_IN_KEY_CHANGES +#endif +/* For testing recovery */ +#ifdef TO_BE_REMOVED +#define IDENTICAL_PAGES_AFTER_RECOVERY 1 +#endif + +#define MAX_NONMAPPED_INSERTS 1000 +#define MARIA_MAX_TREE_LEVELS 32 +#define MARIA_MAX_RECORD_ON_STACK 16384 + +#define MARIA_MIN_SORT_MEMORY (16384-MALLOC_OVERHEAD) + +/* maria_open() flag, specific for maria_pack */ +#define HA_OPEN_IGNORE_MOVED_STATE (1U << 30) + +typedef struct st_sort_key_blocks MA_SORT_KEY_BLOCKS; +typedef struct st_sort_ftbuf MA_SORT_FT_BUF; + +extern PAGECACHE maria_pagecache_var, *maria_pagecache; +int maria_assign_to_pagecache(MARIA_HA *info, ulonglong key_map, + PAGECACHE *key_cache); +void maria_change_pagecache(PAGECACHE *old_key_cache, + PAGECACHE *new_key_cache); + +typedef struct st_maria_sort_info +{ + /* sync things */ + mysql_mutex_t mutex; + mysql_cond_t cond; + MARIA_HA *info, *new_info; + HA_CHECK *param; + char *buff; + MA_SORT_KEY_BLOCKS *key_block, *key_block_end; + MA_SORT_FT_BUF *ft_buf; + my_off_t filelength, dupp, buff_length; + pgcache_page_no_t page; + 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, org_data_file_type; +} MARIA_SORT_INFO; + +typedef struct st_maria_sort_param +{ + pthread_t thr; + IO_CACHE read_cache, tempfile, tempfile_for_exceptions; + DYNAMIC_ARRAY buffpek; + MARIA_BIT_BUFF bit_buff; /* For parallel repair of packrec. */ + + MARIA_KEYDEF *keyinfo; + MARIA_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 maria_update_key_parts for + description. + */ + ulonglong unique[HA_MAX_KEY_SEG+1]; + ulonglong notnull[HA_MAX_KEY_SEG+1]; + ulonglong sortbuff_size; + + MARIA_RECORD_POS pos,max_pos,filepos,start_recpos, current_filepos; + uint key, key_length,real_key_length; + uint maxbuffers, keys, find_length, sort_keys_length; + my_bool fix_datafile, master; + my_bool calc_checksum; /* calculate table checksum */ + size_t rec_buff_size; + + int (*key_cmp)(struct st_maria_sort_param *, const void *, const void *); + int (*key_read)(struct st_maria_sort_param *, uchar *); + int (*key_write)(struct st_maria_sort_param *, const uchar *); + void (*lock_in_memory)(HA_CHECK *); + int (*write_keys)(struct st_maria_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_maria_sort_param *, IO_CACHE *,uchar *, + uint, ulonglong); +} MARIA_SORT_PARAM; + +int maria_write_data_suffix(MARIA_SORT_INFO *sort_info, my_bool fix_datafile); + +struct st_transaction; + +/* undef map from my_nosys; We need test-if-disk full */ +#undef my_write + +#define CRC_SIZE 4 + +typedef struct st_maria_state_info +{ + struct + { /* Fileheader (24 bytes) */ + uchar file_version[4]; + uchar options[2]; + uchar header_length[2]; + uchar state_info_length[2]; + uchar base_info_length[2]; + uchar base_pos[2]; + uchar key_parts[2]; /* Key parts */ + uchar unique_key_parts[2]; /* Key parts + unique parts */ + uchar keys; /* number of keys in file */ + uchar uniques; /* number of UNIQUE definitions */ + uchar not_used; /* Language for indexes */ + uchar fulltext_keys; + uchar data_file_type; + /* Used by mariapack to store the original data_file_type */ + uchar org_data_file_type; + } header; + + MARIA_STATUS_INFO state; + /* maria_ha->state points here for crash-safe but not versioned tables */ + MARIA_STATUS_INFO common; + /* State for a versioned table that is temporary non versioned */ + MARIA_STATUS_INFO no_logging; + ha_rows split; /* number of split blocks */ + my_off_t dellink; /* Link to next removed block */ + pgcache_page_no_t first_bitmap_with_space; + ulonglong auto_increment; + TrID create_trid; /* Minum trid for file */ + TrID last_change_trn; /* selfdescriptive */ + ulong update_count; /* Updated for each write lock */ + ulong status; + double *rec_per_key_part; + ulong *nulls_per_key_part; + ha_checksum checksum; /* Table checksum */ + my_off_t *key_root; /* Start of key trees */ + my_off_t key_del; /* delete links for index pages */ + my_off_t records_at_analyze; /* Rows when calculating rec_per_key */ + + ulong sec_index_changed; /* Updated when new sec_index */ + ulong sec_index_used; /* which extra index are in use */ + ulonglong key_map; /* Which keys are in use */ + ulong version; /* timestamp of create */ + time_t create_time; /* Time when created database */ + time_t recover_time; /* Time for last recover */ + time_t check_time; /* Time for last check */ + uint sortkey; /* sorted by this key (not used) */ + uint open_count; + uint changed; /* Changed since maria_chk */ + uint org_changed; /* Changed since open */ + /** + Birthday of the table: no record in the log before this LSN should ever + be applied to the table. Updated when created, renamed, explicitly + repaired (REPAIR|OPTIMIZE TABLE, ALTER TABLE ENABLE KEYS, maria_chk). + */ + LSN create_rename_lsn; + /** @brief Log horizon when state was last updated on disk */ + TRANSLOG_ADDRESS is_of_horizon; + /** + REDO phase should ignore any record before this LSN. UNDO phase + shouldn't, this is the difference with create_rename_lsn. + skip_redo_lsn >= create_rename_lsn. + The distinction is for these cases: + - after a repair at end of bulk insert (enabling indices), REDO phase + should skip the table but UNDO phase should not, so only skip_redo_lsn is + increased, not create_rename_lsn + - if one table is corrupted and so recovery fails, user may repair the + table with maria_chk and let recovery restart: that recovery should then + skip the repaired table even in the UNDO phase, so create_rename_lsn is + increased. + */ + LSN skip_redo_lsn; + /* LSN when we wrote file id to the log */ + LSN logrec_file_id; + + uint8 dupp_key; /* Lastly processed index with */ + /* violated uniqueness constraint */ + + /* the following isn't saved on disk */ + uint state_diff_length; /* Should be 0 */ + uint state_length; /* Length of state header in file */ + ulong *key_info; +} MARIA_STATE_INFO; + + +/* Number of bytes written be _ma_state_info_write_sub() */ +#define MARIA_STATE_INFO_SIZE \ + (24 + 2 + LSN_STORE_SIZE*3 + 4 + 11*8 + 4*4 + 8 + 3*4 + 5*8) +#define MARIA_FILE_OPEN_COUNT_OFFSET 0 +#define MARIA_FILE_CHANGED_OFFSET 2 +#define MARIA_FILE_CREATE_RENAME_LSN_OFFSET 4 +#define MARIA_FILE_CREATE_TRID_OFFSET (4 + LSN_STORE_SIZE*3 + 11*8) + +#define MARIA_MAX_KEY_LENGTH 2300 +#define MARIA_MAX_KEY_BUFF (MARIA_MAX_KEY_LENGTH+HA_MAX_KEY_SEG*6+8+8 + \ + MARIA_MAX_PACK_TRANSID_SIZE) +#define MARIA_MAX_POSSIBLE_KEY_BUFF (MARIA_MAX_KEY_LENGTH + 24+ 6+6) +#define MARIA_STATE_KEY_SIZE (8 + 4) +#define MARIA_STATE_KEYBLOCK_SIZE 8 +#define MARIA_STATE_KEYSEG_SIZE 12 +#define MARIA_STATE_EXTRA_SIZE (MARIA_MAX_KEY*MARIA_STATE_KEY_SIZE + MARIA_MAX_KEY*HA_MAX_KEY_SEG*MARIA_STATE_KEYSEG_SIZE) +#define MARIA_KEYDEF_SIZE (2+ 5*2) +#define MARIA_UNIQUEDEF_SIZE (2+1+1) +#define HA_KEYSEG_SIZE (6+ 2*2 + 4*2) +#define MARIA_COLUMNDEF_SIZE (2*7+1+1+4) +#define MARIA_BASE_INFO_SIZE (MY_UUID_SIZE + 5*8 + 6*4 + 11*2 + 6 + 5*2 + 1 + 16) +#define MARIA_INDEX_BLOCK_MARGIN 16 /* Safety margin for .MYI tables */ +#define MARIA_MAX_POINTER_LENGTH 7 /* Node pointer */ +/* Internal management bytes needed to store 2 transid/key on an index page */ +#define MARIA_MAX_PACK_TRANSID_SIZE (TRANSID_SIZE+1) +#define MARIA_TRANSID_PACK_OFFSET (256- TRANSID_SIZE - 1) +#define MARIA_MIN_TRANSID_PACK_OFFSET (MARIA_TRANSID_PACK_OFFSET-TRANSID_SIZE) +#define MARIA_INDEX_OVERHEAD_SIZE (MARIA_MAX_PACK_TRANSID_SIZE * 2 + \ + MARIA_MAX_POINTER_LENGTH) +#define MARIA_DELETE_KEY_NR 255 /* keynr for deleted blocks */ + + /* extra options */ +#define MA_EXTRA_OPTIONS_ENCRYPTED (1 << 0) +#define MA_EXTRA_OPTIONS_INSERT_ORDER (1 << 1) + +#include "ma_check.h" + +/* + Basic information of the Maria table. This is stored on disk + and not changed (unless we do DLL changes). +*/ + +typedef struct st_ma_base_info +{ + my_off_t keystart; /* Start of keys */ + my_off_t max_data_file_length; + my_off_t max_key_file_length; + my_off_t margin_key_file_length; + ha_rows records, reloc; /* Create information */ + ulong mean_row_length; /* Create information */ + ulong reclength; /* length of unpacked record */ + ulong pack_reclength; /* Length of full packed rec */ + ulong min_pack_length; + ulong max_pack_length; /* Max possibly length of packed rec */ + ulong min_block_length; + ulong s3_block_size; /* Block length for S3 files */ + uint fields; /* fields in table */ + uint fixed_not_null_fields; + uint fixed_not_null_fields_length; + uint max_field_lengths; + uint pack_fields; /* packed fields in table */ + uint varlength_fields; /* char/varchar/blobs */ + /* Number of bytes in the index used to refer to a row (2-8) */ + uint rec_reflength; + /* Number of bytes in the index used to refer to another index page (2-8) */ + uint key_reflength; /* = 2-8 */ + uint keys; /* same as in state.header */ + uint auto_key; /* Which key-1 is a auto key */ + uint blobs; /* Number of blobs */ + /* Length of packed bits (when table was created first time) */ + uint pack_bytes; + /* Length of null bits (when table was created first time) */ + uint original_null_bytes; + uint null_bytes; /* Null bytes in record */ + uint field_offsets; /* Number of field offsets */ + uint max_key_block_length; /* Max block length */ + uint max_key_length; /* Max key length */ + /* Extra allocation when using dynamic record format */ + uint extra_alloc_bytes; + uint extra_alloc_procent; + uint is_nulls_extended; /* 1 if new null bytes */ + uint default_row_flag; /* 0 or ROW_FLAG_NULLS_EXTENDED */ + uint block_size; + /* Size of initial record buffer */ + uint default_rec_buff_size; + /* Extra number of bytes the row format require in the record buffer */ + uint extra_rec_buff_size; + /* Tuning flags that can be ignored by older Maria versions */ + uint extra_options; + /* default language, not really used but displayed by maria_chk */ + uint language; + /* Compression library used. 0 for no compression */ + uint compression_algorithm; + + /* The following are from the header */ + uint key_parts, all_key_parts; + uchar uuid[MY_UUID_SIZE]; + /** + @brief If false, we disable logging, versioning, transaction etc. Observe + difference with MARIA_SHARE::now_transactional + */ + my_bool born_transactional; +} MARIA_BASE_INFO; + +uchar *_ma_base_info_read(uchar *ptr, MARIA_BASE_INFO *base); + +/* Structs used intern in database */ + +typedef struct st_maria_blob /* Info of record */ +{ + ulong offset; /* Offset to blob in record */ + uint pack_length; /* Type of packed length */ + ulong length; /* Calc:ed for each record */ +} MARIA_BLOB; + + +typedef struct st_maria_pack +{ + ulong header_length; + uint ref_length; + uchar version; +} MARIA_PACK; + +typedef struct st_maria_file_bitmap +{ + struct st_maria_share *share; + uchar *map; + pgcache_page_no_t page; /* Page number for current bitmap */ + pgcache_page_no_t last_bitmap_page; /* Last possible bitmap page */ + my_bool changed; /* 1 if page needs to be written */ + my_bool changed_not_flushed; /* 1 if some bitmap is not flushed */ + my_bool return_first_match; /* Shortcut find_head() */ + uint used_size; /* Size of bitmap head that is not 0 */ + uint full_head_size; /* Where to start search for head */ + uint full_tail_size; /* Where to start search for tail */ + uint flush_all_requested; /**< If _ma_bitmap_flush_all waiting */ + uint waiting_for_flush_all_requested; /* If someone is waiting for above */ + uint non_flushable; /**< 0 if bitmap and log are in sync */ + uint waiting_for_non_flushable; /* If someone is waiting for above */ + PAGECACHE_FILE file; /* datafile where bitmap is stored */ + + mysql_mutex_t bitmap_lock; + mysql_cond_t bitmap_cond; /**< When bitmap becomes flushable */ + /* Constants, allocated when initiating bitmaps */ + uint sizes[8]; /* Size per bit combination */ + uint total_size; /* Total usable size of bitmap page */ + uint max_total_size; /* Max value for total_size */ + uint last_total_size; /* Size of bitmap on last_bitmap_page */ + uint block_size; /* Block size of file */ + ulong pages_covered; /* Pages covered by bitmap + 1 */ + DYNAMIC_ARRAY pinned_pages; /**< not-yet-flushable bitmap pages */ +} MARIA_FILE_BITMAP; + +#define MARIA_CHECKPOINT_LOOKS_AT_ME 1 +#define MARIA_CHECKPOINT_SHOULD_FREE_ME 2 +#define MARIA_CHECKPOINT_SEEN_IN_LOOP 4 + +typedef struct st_maria_crypt_data MARIA_CRYPT_DATA; +struct ms3_st; + +typedef struct st_maria_share +{ /* Shared between opens */ + MARIA_STATE_INFO state; + MARIA_STATE_INFO checkpoint_state; /* Copy of saved state by checkpoint */ + MARIA_BASE_INFO base; + MARIA_STATE_HISTORY *state_history; + MARIA_KEYDEF ft2_keyinfo; /* Second-level ft-key definition */ + MARIA_KEYDEF *keyinfo; /* Key definitions */ + MARIA_UNIQUEDEF *uniqueinfo; /* unique definitions */ + HA_KEYSEG *keyparts; /* key part info */ + MARIA_COLUMNDEF *columndef; /* Pointer to column information */ + MARIA_PACK pack; /* Data about packed records */ + MARIA_BLOB *blobs; /* Pointer to blobs */ + uint16 *column_nr; /* Original column order */ + LEX_STRING unique_file_name; /* realpath() of index file */ + LEX_STRING data_file_name; /* Resolved path names from symlinks */ + LEX_STRING index_file_name; + LEX_STRING open_file_name; /* parameter to open filename */ + uchar *file_map; /* mem-map of file if possible */ + LIST *open_list; /* Tables open with this share */ + PAGECACHE *pagecache; /* ref to the current key cache */ + MARIA_DECODE_TREE *decode_trees; + /* + Previous auto-increment value. Used to verify if we can restore the + auto-increment counter if we have to abort an insert (duplicate key). + */ + ulonglong last_auto_increment; + uint16 *decode_tables; + uint16 id; /**< 2-byte id by which log records refer to the table */ + /* Called the first time the table instance is opened */ + my_bool (*once_init)(struct st_maria_share *, File); + /* Called when the last instance of the table is closed */ + my_bool (*once_end)(struct st_maria_share *); + /* Is called for every open of the table */ + my_bool (*init)(MARIA_HA *); + /* Is called for every close of the table */ + void (*end)(MARIA_HA *); + /* Called when we want to read a record from a specific position */ + int (*read_record)(MARIA_HA *, uchar *, MARIA_RECORD_POS); + /* Initialize a scan */ + my_bool (*scan_init)(MARIA_HA *); + /* Read next record while scanning */ + int (*scan)(MARIA_HA *, uchar *, MARIA_RECORD_POS, my_bool); + /* End scan */ + void (*scan_end)(MARIA_HA *); + int (*scan_remember_pos)(MARIA_HA *, MARIA_RECORD_POS*); + int (*scan_restore_pos)(MARIA_HA *, MARIA_RECORD_POS); + /* Pre-write of row (some handlers may do the actual write here) */ + MARIA_RECORD_POS (*write_record_init)(MARIA_HA *, const uchar *); + /* Write record (or accept write_record_init) */ + my_bool (*write_record)(MARIA_HA *, const uchar *); + /* Called when write failed */ + my_bool (*write_record_abort)(MARIA_HA *); + my_bool (*update_record)(MARIA_HA *, MARIA_RECORD_POS, + const uchar *, const uchar *); + my_bool (*delete_record)(MARIA_HA *, const uchar *record); + my_bool (*compare_record)(MARIA_HA *, const uchar *); + /* calculate checksum for a row */ + ha_checksum(*calc_checksum)(MARIA_HA *, const uchar *); + /* + Calculate checksum for a row during write. May be 0 if we calculate + the checksum in write_record_init() + */ + ha_checksum(*calc_write_checksum)(MARIA_HA *, const uchar *); + /* calculate checksum for a row during check table */ + ha_checksum(*calc_check_checksum)(MARIA_HA *, const uchar *); + /* Compare a row in memory with a row on disk */ + my_bool (*compare_unique)(MARIA_HA *, MARIA_UNIQUEDEF *, + const uchar *record, MARIA_RECORD_POS pos); + my_off_t (*keypos_to_recpos)(struct st_maria_share *share, my_off_t pos); + my_off_t (*recpos_to_keypos)(struct st_maria_share *share, my_off_t pos); + my_bool (*row_is_visible)(MARIA_HA *); + + /* Mapings to read/write the data file */ + size_t (*file_read)(MARIA_HA *, uchar *, size_t, my_off_t, myf); + size_t (*file_write)(MARIA_HA *, const uchar *, size_t, my_off_t, myf); + /* query cache invalidator for merged tables */ + invalidator_by_filename invalidator; + /* query cache invalidator for changing state */ + invalidator_by_filename chst_invalidator; + my_off_t key_del_current; /* delete links for index pages */ + ulong this_process; /* processid */ + ulong last_process; /* For table-change-check */ + ulong last_version; /* Version on start */ + ulong options; /* Options used */ + ulong min_pack_length; /* These are used by packed data */ + ulong max_pack_length; + ulong state_diff_length; + uint rec_reflength; /* rec_reflength in use now */ + uint keypage_header; + uint32 ftkeys; /* Number of distinct full-text keys + + 1 */ + PAGECACHE_FILE kfile; /* Shared keyfile */ + S3_INFO *s3_path; /* Connection and path in s3 */ + File data_file; /* Shared data file */ + int mode; /* mode of file on open */ + uint reopen; /* How many times opened */ + uint in_trans; /* Number of references by trn */ + uint w_locks, r_locks, tot_locks; /* Number of read/write locks */ + uint block_size; /* block_size of keyfile & data file*/ + uint max_index_block_size; /* block_size - end_of_page_info */ + /* Fixed length part of a packed row in BLOCK_RECORD format */ + uint base_length; + myf write_flag; + enum data_file_type data_file_type; + enum pagecache_page_type page_type; /* value depending transactional */ + /** + if Checkpoint looking at table; protected by close_lock or THR_LOCK_maria + */ + uint8 in_checkpoint; + my_bool temporary; + /* Below flag is needed to make log tables work with concurrent insert */ + my_bool is_log_table; + my_bool has_null_fields; + my_bool has_varchar_fields; /* If table has varchar fields */ + /* + Set to 1 if open_count was wrong at open. Set to avoid asserts for + wrong open count on close. + */ + my_bool open_count_not_zero_on_open; + + my_bool changed, /* If changed since lock */ + global_changed, /* If changed since open */ + not_flushed; + my_bool no_status_updates; /* Set to 1 if S3 readonly table */ + my_bool internal_table; /* Internal tmp table */ + my_bool lock_key_trees; /* If we have to lock trees on read */ + my_bool non_transactional_concurrent_insert; + my_bool delay_key_write; + my_bool have_rtree; + /** + @brief if the table is transactional right now. It may have been created + transactional (base.born_transactional==TRUE) but with transactionality + (logging) temporarily disabled (now_transactional==FALSE). The opposite + (FALSE, TRUE) is impossible. + */ + my_bool now_transactional; + my_bool have_versioning; + my_bool key_del_used; /* != 0 if key_del is locked */ + my_bool deleting; /* we are going to delete this table */ + my_bool redo_error_given; /* Used during recovery */ + my_bool silence_encryption_errors; /* Used during recovery */ + THR_LOCK lock; + void (*lock_restore_status)(void *); + /** + Protects kfile, dfile, most members of the state, state disk writes, + versioning information (like in_trans, state_history). + @todo find the exhaustive list. + */ + mysql_mutex_t intern_lock; + mysql_mutex_t key_del_lock; + mysql_cond_t key_del_cond; + /** + _Always_ held while closing table; prevents checkpoint from looking at + structures freed during closure (like bitmap). If you need close_lock and + intern_lock, lock them in this order. + */ + mysql_mutex_t close_lock; + my_off_t mmaped_length; + uint nonmmaped_inserts; /* counter of writing in + non-mmaped area */ + MARIA_FILE_BITMAP bitmap; + mysql_rwlock_t mmap_lock; + LSN lsn_of_file_id; /**< LSN of its last LOGREC_FILE_ID */ + + /** + Crypt data + */ + uint crypt_page_header_space; + MARIA_CRYPT_DATA *crypt_data; + + /** + Keep of track of last insert page, used to implement insert order + */ + uint last_insert_page; + pgcache_page_no_t last_insert_bitmap; +} MARIA_SHARE; + + +typedef uchar MARIA_BITMAP_BUFFER; + +typedef struct st_maria_bitmap_block +{ + pgcache_page_no_t page; /* Page number */ + /* Number of continuous pages. TAIL_BIT is set if this is a tail page */ + uint page_count; + uint empty_space; /* Set for head and tail pages */ + /* + Number of BLOCKS for block-region (holds all non-blob-fields or one blob) + */ + uint sub_blocks; + /* set to <> 0 in write_record() if this block was actually used */ + uint8 used; + uint8 org_bitmap_value; +} MARIA_BITMAP_BLOCK; + + +typedef struct st_maria_bitmap_blocks +{ + MARIA_BITMAP_BLOCK *block; + uint count; + my_bool tail_page_skipped; /* If some tail pages was not used */ + my_bool page_skipped; /* If some full pages was not used */ +} MARIA_BITMAP_BLOCKS; + + +/* Data about the currently read row */ +typedef struct st_maria_row +{ + MARIA_BITMAP_BLOCKS insert_blocks; + MARIA_BITMAP_BUFFER *extents; + MARIA_RECORD_POS lastpos, nextpos; + MARIA_RECORD_POS *tail_positions; + ha_checksum checksum; + LSN orig_undo_lsn; /* Lsn at start of row insert */ + TrID trid; /* Transaction id for current row */ + uchar *empty_bits, *field_lengths; + uint *null_field_lengths; /* All null field lengths */ + ulong *blob_lengths; /* Length for each blob */ + ulong min_length, normal_length, char_length, varchar_length; + ulong blob_length, total_length; + size_t extents_buffer_length; /* Size of 'extents' buffer */ + uint head_length, header_length; + uint field_lengths_length; /* Length of data in field_lengths */ + uint extents_count; /* number of extents in 'extents' */ + uint full_page_count, tail_count; /* For maria_chk */ + uint space_on_head_page; +} MARIA_ROW; + +/* Data to scan row in blocked format */ +typedef struct st_maria_block_scan +{ + uchar *bitmap_buff, *bitmap_pos, *bitmap_end, *page_buff; + uchar *dir, *dir_end; + pgcache_page_no_t bitmap_page, max_page; + ulonglong bits; + uint number_of_rows, bit_pos; + MARIA_RECORD_POS row_base_page; + ulonglong row_changes; +} MARIA_BLOCK_SCAN; + + +struct st_maria_handler +{ + MARIA_SHARE *s; /* Shared between open:s */ + struct st_ma_transaction *trn; /* Pointer to active transaction */ + struct st_maria_handler *trn_next,**trn_prev; + MARIA_STATUS_INFO *state, state_save; + MARIA_STATUS_INFO *state_start; /* State at start of transaction */ + MARIA_USED_TABLES *used_tables; + struct ms3_st *s3; + void **stack_end_ptr; + MARIA_ROW cur_row; /* The active row that we just read */ + MARIA_ROW new_row; /* Storage for a row during update */ + MARIA_KEY last_key; /* Last found key */ + MARIA_BLOCK_SCAN scan, *scan_save; + MARIA_BLOB *blobs; /* Pointer to blobs */ + MARIA_BIT_BUFF bit_buff; + DYNAMIC_ARRAY bitmap_blocks; + DYNAMIC_ARRAY pinned_pages; + /* accumulate indexfile changes between write's */ + TREE *bulk_insert; + LEX_CUSTRING *log_row_parts; /* For logging */ + DYNAMIC_ARRAY *ft1_to_ft2; /* used only in ft1->ft2 conversion */ + MEM_ROOT ft_memroot; /* used by the parser */ + MYSQL_FTPARSER_PARAM *ftparser_param; /* share info between init/deinit */ + void *external_ref; /* For MariaDB TABLE */ + uchar *buff; /* page buffer */ + uchar *keyread_buff; /* Buffer for last key read */ + uchar *lastkey_buff; /* Last used search key */ + uchar *lastkey_buff2; + uchar *first_mbr_key; /* Searhed spatial key */ + uchar *rec_buff; /* Temp buffer for recordpack */ + uchar *blob_buff; /* Temp buffer for blobs */ + uchar *int_keypos; /* Save position for next/previous */ + uchar *int_maxpos; /* -""- */ + uint keypos_offset; /* Tmp storage for offset int_keypos */ + uint maxpos_offset; /* Tmp storage for offset int_maxpos */ + uchar *update_field_data; /* Used by update in rows-in-block */ + uint int_nod_flag; /* -""- */ + uint32 int_keytree_version; /* -""- */ + int (*read_record)(MARIA_HA *, uchar*, MARIA_RECORD_POS); + invalidator_by_filename invalidator; /* query cache invalidator */ + ulonglong last_auto_increment; /* auto value at start of statement */ + ulonglong row_changes; /* Incremented for each change */ + ulonglong start_row_changes; /* Row changes since start trans */ + ulong this_unique; /* uniq filenumber or thread */ + ulong last_unique; /* last unique number */ + ulong this_loop; /* counter for this open */ + ulong last_loop; /* last used counter */ + MARIA_RECORD_POS save_lastpos; + MARIA_RECORD_POS dup_key_pos; + TrID dup_key_trid; + my_off_t pos; /* Intern variable */ + my_off_t last_keypage; /* Last key page read */ + my_off_t last_search_keypage; /* Last keypage when searching */ + + /* + QQ: the folloing two xxx_length fields should be removed, + as they are not compatible with parallel repair + */ + ulong packed_length, blob_length; /* Length of found, packed record */ + size_t rec_buff_size, blob_buff_size; + PAGECACHE_FILE dfile; /* The datafile */ + IO_CACHE rec_cache; /* When cacheing records */ + LIST open_list; + LIST share_list; + MY_BITMAP changed_fields; + ulong row_base_length; /* Length of row header */ + uint row_flag; /* Flag to store in row header */ + uint opt_flag; /* Optim. for space/speed */ + uint open_flags; /* Flags used in open() */ + uint update; /* If file changed since open */ + uint error_count; /* Incremented for each error given */ + int lastinx; /* Last used index */ + uint last_rkey_length; /* Last length in maria_rkey() */ + uint *last_rtree_keypos; /* Last key positions for rtrees */ + uint bulk_insert_ref_length; /* Lenght of row ref during bi */ + uint non_flushable_state; + enum ha_rkey_function last_key_func; /* CONTAIN, OVERLAP, etc */ + uint save_lastkey_data_length; + uint save_lastkey_ref_length; + uint pack_key_length; /* For MARIA_MRG */ + myf lock_wait; /* is 0 or MY_SHORT_WAIT */ + int errkey; /* Got last error on this key */ + int lock_type; /* How database was locked */ + int tmp_lock_type; /* When locked by readinfo */ + uint data_changed; /* Somebody has changed data */ + uint save_update; /* When using KEY_READ */ + int save_lastinx; + uint preload_buff_size; /* When preloading indexes */ + uint16 last_used_keyseg; /* For MARIAMRG */ + uint8 key_del_used; /* != 0 if key_del is used */ + my_bool was_locked; /* Was locked in panic */ + my_bool intern_lock_locked; /* locked in ma_extra() */ + my_bool append_insert_at_end; /* Set if concurrent insert */ + my_bool quick_mode; + my_bool in_check_table; /* We are running check tables */ + /* Marker if key_del_changed */ + /* If info->keyread_buff can't be used for rnext */ + my_bool page_changed; + /* If info->keyread_buff has to be re-read for rnext */ + my_bool keyread_buff_used; + my_bool once_flags; /* For MARIA_MRG */ + /* For bulk insert enable/disable transactions control */ + my_bool switched_transactional; + /* If transaction will autocommit */ + my_bool autocommit; +#ifdef _WIN32 + my_bool owned_by_merge; /* This Maria table is part of a merge union */ +#endif + THR_LOCK_DATA lock; + uchar *maria_rtree_recursion_state; /* For RTREE */ + uchar length_buff[5]; /* temp buff to store blob lengths */ + int maria_rtree_recursion_depth; + + my_bool create_unique_index_by_sort; + index_cond_func_t index_cond_func; /* Index condition function */ + void *index_cond_func_arg; /* parameter for the func */ +}; + +/* Table options for the Aria and S3 storage engine */ + +struct ha_table_option_struct +{ + ulonglong s3_block_size; + uint compression_algorithm; +}; + +/* Some defines used by maria-functions */ + +#define USE_WHOLE_KEY 65535 /* Use whole key in _search() */ +#define F_EXTRA_LCK -1 + +/* bits in opt_flag */ +#define MEMMAP_USED 32U +#define REMEMBER_OLD_POS 64U + +#define WRITEINFO_UPDATE_KEYFILE 1U +#define WRITEINFO_NO_UNLOCK 2U + +/* once_flags */ +#define USE_PACKED_KEYS 1U +#define RRND_PRESERVE_LASTINX 2U + +/* bits in state.changed */ + +#define STATE_CHANGED 1U +#define STATE_CRASHED 2U +#define STATE_CRASHED_ON_REPAIR 4U +#define STATE_NOT_ANALYZED 8U +#define STATE_NOT_OPTIMIZED_KEYS 16U +#define STATE_NOT_SORTED_PAGES 32U +#define STATE_NOT_OPTIMIZED_ROWS 64U +#define STATE_NOT_ZEROFILLED 128U +#define STATE_NOT_MOVABLE 256U +#define STATE_MOVED 512U /* set if base->uuid != maria_uuid */ +#define STATE_IN_REPAIR 1024U /* We are running repair on table */ +#define STATE_CRASHED_PRINTED 2048U +#define STATE_DATA_FILE_FULL 4096U + +#define STATE_CRASHED_FLAGS (STATE_CRASHED | STATE_CRASHED_ON_REPAIR | STATE_CRASHED_PRINTED) + +/* options to maria_read_cache */ + +#define READING_NEXT 1U +#define READING_HEADER 2U + +/* Number of bytes on key pages to indicate used size */ +#define KEYPAGE_USED_SIZE 2U +#define KEYPAGE_KEYID_SIZE 1U +#define KEYPAGE_FLAG_SIZE 1U +#define KEYPAGE_KEY_VERSION_SIZE 4U /* encryption */ +#define KEYPAGE_CHECKSUM_SIZE 4U +#define MAX_KEYPAGE_HEADER_SIZE (LSN_STORE_SIZE + KEYPAGE_USED_SIZE + \ + KEYPAGE_KEYID_SIZE + KEYPAGE_FLAG_SIZE + \ + TRANSID_SIZE + KEYPAGE_KEY_VERSION_SIZE) +#define KEYPAGE_FLAG_ISNOD 1U +#define KEYPAGE_FLAG_HAS_TRANSID 2U + +#define _ma_get_page_used(share,x) \ + ((uint) mi_uint2korr((x) + (share)->keypage_header - KEYPAGE_USED_SIZE)) +#define _ma_store_page_used(share,x,y) \ + mi_int2store((x) + (share)->keypage_header - KEYPAGE_USED_SIZE, (y)) +#define _ma_get_keypage_flag(share,x) x[(share)->keypage_header - KEYPAGE_USED_SIZE - KEYPAGE_FLAG_SIZE] +#define _ma_test_if_nod(share,x) \ + ((_ma_get_keypage_flag(share,x) & KEYPAGE_FLAG_ISNOD) ? (share)->base.key_reflength : 0) + +#define _ma_store_keynr(share, x, nr) x[(share)->keypage_header - KEYPAGE_KEYID_SIZE - KEYPAGE_FLAG_SIZE - KEYPAGE_USED_SIZE]= (nr) +#define _ma_get_keynr(share, x) ((uchar) x[(share)->keypage_header - KEYPAGE_KEYID_SIZE - KEYPAGE_FLAG_SIZE - KEYPAGE_USED_SIZE]) +#define _ma_store_transid(buff, transid) \ + transid_store((buff) + LSN_STORE_SIZE, (transid)) +#define _ma_korr_transid(buff) \ + transid_korr((buff) + LSN_STORE_SIZE) +#define _ma_store_keypage_flag(share,x,flag) x[(share)->keypage_header - KEYPAGE_USED_SIZE - KEYPAGE_FLAG_SIZE]= (flag) +#define _ma_mark_page_with_transid(share, page) \ + do { (page)->flag|= KEYPAGE_FLAG_HAS_TRANSID; \ + (page)->buff[(share)->keypage_header - KEYPAGE_USED_SIZE - KEYPAGE_FLAG_SIZE]= (page)->flag; } while (0) + +#define KEYPAGE_KEY_VERSION(share, x) ((x) + \ + (share)->keypage_header - \ + (KEYPAGE_USED_SIZE + \ + KEYPAGE_FLAG_SIZE + \ + KEYPAGE_KEYID_SIZE + \ + KEYPAGE_KEY_VERSION_SIZE)) + +#define _ma_get_key_version(share,x) \ + ((uint) uint4korr(KEYPAGE_KEY_VERSION((share), (x)))) + +#define _ma_store_key_version(share,x,kv) \ + int4store(KEYPAGE_KEY_VERSION((share), (x)), (kv)) + +/* + TODO: write int4store_aligned as *((uint32 *) (T))= (uint32) (A) for + architectures where it is possible +*/ +#define int4store_aligned(A,B) int4store((A),(B)) + +#define maria_mark_crashed(x) do{(x)->s->state.changed|= STATE_CRASHED; \ + DBUG_PRINT("error", ("Marked table crashed")); \ + }while(0) +#define maria_mark_crashed_share(x) \ + do{(x)->state.changed|= STATE_CRASHED; \ + DBUG_PRINT("error", ("Marked table crashed")); \ + }while(0) +#define maria_mark_crashed_on_repair(x) do{(x)->s->state.changed|= \ + STATE_CRASHED|STATE_CRASHED_ON_REPAIR; \ + (x)->update|= HA_STATE_CHANGED; \ + DBUG_PRINT("error", ("Marked table crashed on repair")); \ + }while(0) +#define maria_mark_in_repair(x) do{(x)->s->state.changed|= \ + STATE_CRASHED | STATE_IN_REPAIR; \ + (x)->update|= HA_STATE_CHANGED; \ + DBUG_PRINT("error", ("Marked table crashed for repair")); \ + }while(0) +#define maria_is_crashed(x) ((x)->s->state.changed & STATE_CRASHED) +#define maria_is_crashed_on_repair(x) ((x)->s->state.changed & STATE_CRASHED_ON_REPAIR) +#define maria_in_repair(x) ((x)->s->state.changed & STATE_IN_REPAIR) + +#define DBUG_DUMP_KEY(name, key) DBUG_DUMP(name, (key)->data, (key)->data_length + (key)->ref_length) + +/* Functions to store length of space packed keys, VARCHAR or BLOB keys */ + +#define store_key_length(key,length) \ +{ if ((length) < 255) \ + { *(key)=(length); } \ + else \ + { *(key)=255; mi_int2store((key)+1,(length)); } \ +} + +#define get_key_full_length(length,key) \ + { if (*(const uchar*) (key) != 255) \ + length= ((uint) *(const uchar*) ((key)++))+1; \ + else \ + { length=mi_uint2korr((key)+1)+3; (key)+=3; } \ +} + +#define get_key_full_length_rdonly(length,key) \ +{ if (*(const uchar*) (key) != 255) \ + length= ((uint) *(const uchar*) ((key)))+1; \ + else \ + { length=mi_uint2korr((key)+1)+3; } \ +} + +#define _ma_max_key_length() ((maria_block_size - MAX_KEYPAGE_HEADER_SIZE)/3 - MARIA_INDEX_OVERHEAD_SIZE) +#define get_pack_length(length) ((length) >= 255 ? 3 : 1) +#define _ma_have_versioning(info) ((info)->row_flag & ROW_FLAG_TRANSID) + +#define MARIA_MIN_BLOCK_LENGTH 20 /* Because of delete-link */ +/* Don't use to small record-blocks */ +#define MARIA_EXTEND_BLOCK_LENGTH 20 +#define MARIA_SPLIT_LENGTH ((MARIA_EXTEND_BLOCK_LENGTH+4)*2) + /* Max prefix of record-block */ +#define MARIA_MAX_DYN_BLOCK_HEADER 20 +#define MARIA_BLOCK_INFO_HEADER_LENGTH 20 +#define MARIA_DYN_DELETE_BLOCK_HEADER 20 /* length of delete-block-header */ +#define MARIA_DYN_MAX_BLOCK_LENGTH ((1L << 24)-4L) +#define MARIA_DYN_MAX_ROW_LENGTH (MARIA_DYN_MAX_BLOCK_LENGTH - MARIA_SPLIT_LENGTH) +#define MARIA_DYN_ALIGN_SIZE 4 /* Align blocks on this */ +#define MARIA_MAX_DYN_HEADER_BYTE 13 /* max header uchar for dynamic rows */ +#define MARIA_MAX_BLOCK_LENGTH ((((ulong) 1 << 24)-1) & (~ (ulong) (MARIA_DYN_ALIGN_SIZE-1))) +#define MARIA_REC_BUFF_OFFSET ALIGN_SIZE(MARIA_DYN_DELETE_BLOCK_HEADER+sizeof(uint32)) + +#define MEMMAP_EXTRA_MARGIN 7 /* Write this as a suffix for file */ + +#define PACK_TYPE_SELECTED 1U /* Bits in field->pack_type */ +#define PACK_TYPE_SPACE_FIELDS 2U +#define PACK_TYPE_ZERO_FILL 4U + +#define MARIA_FOUND_WRONG_KEY INT_MAX32 /* Impossible value from ha_key_cmp */ + +#define MARIA_BLOCK_SIZE(key_length,data_pointer,key_pointer,block_size) (((((key_length)+(data_pointer)+(key_pointer))*4+(key_pointer)+2)/(block_size)+1)*(block_size)) +#define MARIA_MAX_KEYPTR_SIZE 5 /* For calculating block lengths */ + +/* Marker for impossible delete link */ +#define IMPOSSIBLE_PAGE_NO 0xFFFFFFFFFFLL + +/* The UNIQUE check is done with a hashed long key */ + +#define MARIA_UNIQUE_HASH_TYPE HA_KEYTYPE_ULONG_INT +#define maria_unique_store(A,B) mi_int4store((A),(B)) + +extern mysql_mutex_t THR_LOCK_maria; +#ifdef DONT_USE_RW_LOCKS +#define mysql_rwlock_wrlock(A) {} +#define mysql_rwlock_rdlock(A) {} +#define mysql_rwlock_unlock(A) {} +#endif + +/* Some tuning parameters */ +#define MARIA_MIN_KEYBLOCK_LENGTH 50 /* When to split delete blocks */ +#define MARIA_MIN_SIZE_BULK_INSERT_TREE 16384U /* this is per key */ +#define MARIA_MIN_ROWS_TO_USE_BULK_INSERT 100 +#define MARIA_MIN_ROWS_TO_DISABLE_INDEXES 100 +#define MARIA_MIN_ROWS_TO_USE_WRITE_CACHE 10 +/* Keep a small buffer for tables only using small blobs */ +#define MARIA_SMALL_BLOB_BUFFER 1024U +#define MARIA_MAX_CONTROL_FILE_LOCK_RETRY 30 /* Retry this many times */ + +/* Some extern variables */ +extern LIST *maria_open_list; +extern uchar maria_file_magic[], maria_pack_file_magic[]; +extern uchar maria_uuid[MY_UUID_SIZE]; +extern uint32 maria_read_vec[], maria_readnext_vec[]; +extern uint maria_quick_table_bits; +extern const char *maria_data_root; +extern uchar maria_zero_string[]; +extern my_bool maria_inited, maria_in_ha_maria, maria_recovery_changed_data; +extern my_bool maria_recovery_verbose, maria_checkpoint_disabled; +extern my_bool maria_assert_if_crashed_table, aria_readonly; +extern ulong maria_checkpoint_min_log_activity; +extern HASH maria_stored_state; +extern int (*maria_create_trn_hook)(MARIA_HA *); +extern my_bool (*ma_killed)(MARIA_HA *); +extern void (*ma_debug_crash_here)(const char *keyword); + +#ifdef HAVE_PSI_INTERFACE +extern PSI_mutex_key key_SHARE_BITMAP_lock, key_SORT_INFO_mutex, + key_THR_LOCK_maria, key_TRANSLOG_BUFFER_mutex, + key_LOCK_soft_sync, + key_TRANSLOG_DESCRIPTOR_dirty_buffer_mask_lock, + key_TRANSLOG_DESCRIPTOR_sent_to_disk_lock, + key_TRANSLOG_DESCRIPTOR_log_flush_lock, + key_TRANSLOG_DESCRIPTOR_file_header_lock, + key_TRANSLOG_DESCRIPTOR_unfinished_files_lock, + key_TRANSLOG_DESCRIPTOR_purger_lock, + key_SHARE_intern_lock, key_SHARE_key_del_lock, + key_SHARE_close_lock, + key_SERVICE_THREAD_CONTROL_lock, + key_PAGECACHE_cache_lock; + +extern PSI_mutex_key key_CRYPT_DATA_lock; + +extern PSI_cond_key key_SHARE_key_del_cond, key_SERVICE_THREAD_CONTROL_cond, + key_SORT_INFO_cond, key_SHARE_BITMAP_cond, + key_COND_soft_sync, key_TRANSLOG_BUFFER_waiting_filling_buffer, + key_TRANSLOG_BUFFER_prev_sent_to_disk_cond, + key_TRANSLOG_DESCRIPTOR_log_flush_cond, + key_TRANSLOG_DESCRIPTOR_new_goal_cond; + +extern PSI_rwlock_key key_KEYINFO_root_lock, key_SHARE_mmap_lock, + key_TRANSLOG_DESCRIPTOR_open_files_lock; + +extern PSI_thread_key key_thread_checkpoint, key_thread_find_all_keys, + key_thread_soft_sync; + +extern PSI_file_key key_file_translog, key_file_kfile, key_file_dfile, + key_file_control, key_file_tmp; + +#endif + +/* Note that PSI_stage_info globals must always be declared. */ +extern PSI_stage_info stage_waiting_for_a_resource; + +/* This is used by _ma_calc_xxx_key_length och _ma_store_key */ +typedef struct st_maria_s_param +{ + const uchar *key; + uchar *prev_key, *next_key_pos; + uchar *key_pos; /* For balance page */ + uint ref_length, key_length, n_ref_length; + uint n_length, totlength, part_of_prev_key, prev_length, pack_marker; + uint changed_length; + int move_length; /* For balance_page */ + my_bool store_not_null; +} MARIA_KEY_PARAM; + + +/* Used to store reference to pinned page */ +typedef struct st_pinned_page +{ + PAGECACHE_BLOCK_LINK *link; + enum pagecache_page_lock unlock, write_lock; + my_bool changed; +} MARIA_PINNED_PAGE; + + +/* Keeps all information about a page and related to a page */ +typedef struct st_maria_page +{ + MARIA_HA *info; + const MARIA_KEYDEF *keyinfo; + uchar *buff; /* Data for page */ + my_off_t pos; /* Disk address to page */ + uint size; /* Size of data on page */ + uint org_size; /* Size of page at read or after log */ + uint node; /* 0 or share->base.key_reflength */ + uint flag; /* Page flag */ + uint link_offset; +} MARIA_PAGE; + + +/* Prototypes for intern functions */ +extern int _ma_read_dynamic_record(MARIA_HA *, uchar *, MARIA_RECORD_POS); +extern int _ma_read_rnd_dynamic_record(MARIA_HA *, uchar *, MARIA_RECORD_POS, + my_bool); +extern my_bool _ma_write_dynamic_record(MARIA_HA *, const uchar *); +extern my_bool _ma_update_dynamic_record(MARIA_HA *, MARIA_RECORD_POS, + const uchar *, const uchar *); +extern my_bool _ma_delete_dynamic_record(MARIA_HA *info, const uchar *record); +extern my_bool _ma_cmp_dynamic_record(MARIA_HA *info, const uchar *record); +extern my_bool _ma_write_blob_record(MARIA_HA *, const uchar *); +extern my_bool _ma_update_blob_record(MARIA_HA *, MARIA_RECORD_POS, + const uchar *, const uchar *); +extern int _ma_read_static_record(MARIA_HA *info, uchar *, MARIA_RECORD_POS); +extern int _ma_read_rnd_static_record(MARIA_HA *, uchar *, MARIA_RECORD_POS, + my_bool); +extern my_bool _ma_write_static_record(MARIA_HA *, const uchar *); +extern my_bool _ma_update_static_record(MARIA_HA *, MARIA_RECORD_POS, + const uchar *, const uchar *); +extern my_bool _ma_delete_static_record(MARIA_HA *info, const uchar *record); +extern my_bool _ma_cmp_static_record(MARIA_HA *info, const uchar *record); + +extern my_bool _ma_write_no_record(MARIA_HA *info, const uchar *record); +extern my_bool _ma_update_no_record(MARIA_HA *info, MARIA_RECORD_POS pos, + const uchar *oldrec, const uchar *record); +extern my_bool _ma_delete_no_record(MARIA_HA *info, const uchar *record); +extern int _ma_read_no_record(MARIA_HA *info, uchar *record, + MARIA_RECORD_POS pos); +extern int _ma_read_rnd_no_record(MARIA_HA *info, uchar *buf, + MARIA_RECORD_POS filepos, + my_bool skip_deleted_blocks); +my_off_t _ma_no_keypos_to_recpos(MARIA_SHARE *share, my_off_t pos); + +extern my_bool _ma_ck_write(MARIA_HA *info, MARIA_KEY *key); +extern my_bool _ma_enlarge_root(MARIA_HA *info, MARIA_KEY *key, + MARIA_RECORD_POS *root); +int _ma_insert(MARIA_HA *info, MARIA_KEY *key, + MARIA_PAGE *anc_page, uchar *key_pos, uchar *key_buff, + MARIA_PAGE *father_page, uchar *father_key_pos, + my_bool insert_last); +extern my_bool _ma_ck_real_write_btree(MARIA_HA *info, MARIA_KEY *key, + MARIA_RECORD_POS *root, uint32 comp_flag); +extern int _ma_split_page(MARIA_HA *info, MARIA_KEY *key, + MARIA_PAGE *split_page, + uint org_split_length, + uchar *inserted_key_pos, uint changed_length, + int move_length, + uchar *key_buff, my_bool insert_last_key); +extern uchar *_ma_find_half_pos(MARIA_KEY *key, MARIA_PAGE *page, + uchar ** after_key); +extern int _ma_calc_static_key_length(const MARIA_KEY *key, uint nod_flag, + uchar *key_pos, uchar *org_key, + uchar *key_buff, + MARIA_KEY_PARAM *s_temp); +extern int _ma_calc_var_key_length(const MARIA_KEY *key, uint nod_flag, + uchar *key_pos, uchar *org_key, + uchar *key_buff, + MARIA_KEY_PARAM *s_temp); +extern int _ma_calc_var_pack_key_length(const MARIA_KEY *key, + uint nod_flag, uchar *next_key, + uchar *org_key, uchar *prev_key, + MARIA_KEY_PARAM *s_temp); +extern int _ma_calc_bin_pack_key_length(const MARIA_KEY *key, + uint nod_flag, uchar *next_key, + uchar *org_key, uchar *prev_key, + MARIA_KEY_PARAM *s_temp); +extern void _ma_store_static_key(MARIA_KEYDEF *keyinfo, uchar *key_pos, + MARIA_KEY_PARAM *s_temp); +extern void _ma_store_var_pack_key(MARIA_KEYDEF *keyinfo, uchar *key_pos, + MARIA_KEY_PARAM *s_temp); +#ifdef NOT_USED +extern void _ma_store_pack_key(MARIA_KEYDEF *keyinfo, uchar *key_pos, + MARIA_KEY_PARAM *s_temp); +#endif +extern void _ma_store_bin_pack_key(MARIA_KEYDEF *keyinfo, uchar *key_pos, + MARIA_KEY_PARAM *s_temp); + +extern my_bool _ma_ck_delete(MARIA_HA *info, MARIA_KEY *key); +extern my_bool _ma_ck_real_delete(MARIA_HA *info, MARIA_KEY *key, + my_off_t *root); +extern int _ma_readinfo(MARIA_HA *info, int lock_flag, int check_keybuffer); +extern int _ma_writeinfo(MARIA_HA *info, uint options); +extern int _ma_test_if_changed(MARIA_HA *info); +extern int _ma_mark_file_changed(MARIA_SHARE *info); +extern int _ma_mark_file_changed_now(MARIA_SHARE *info); +extern void _ma_mark_file_crashed(MARIA_SHARE *share); +extern void _ma_set_fatal_error(MARIA_HA *share, int error); +extern void _ma_set_fatal_error_with_share(MARIA_SHARE *share, int error); +extern my_bool _ma_set_uuid(MARIA_SHARE *info, my_bool reset_uuid); +extern my_bool _ma_check_if_zero(uchar *pos, size_t size); +extern int _ma_decrement_open_count(MARIA_HA *info, my_bool lock_table); +extern int _ma_check_index(MARIA_HA *info, int inx); +extern int _ma_search(MARIA_HA *info, MARIA_KEY *key, uint32 nextflag, + my_off_t pos); +extern int _ma_bin_search(const MARIA_KEY *key, const MARIA_PAGE *page, + uint32 comp_flag, uchar **ret_pos, uchar *buff, + my_bool *was_last_key); +extern int _ma_seq_search(const MARIA_KEY *key, const MARIA_PAGE *page, + uint comp_flag, uchar ** ret_pos, uchar *buff, + my_bool *was_last_key); +extern int _ma_prefix_search(const MARIA_KEY *key, const MARIA_PAGE *page, + uint32 comp_flag, uchar ** ret_pos, uchar *buff, + my_bool *was_last_key); +extern my_off_t _ma_kpos(uint nod_flag, const uchar *after_key); +extern void _ma_kpointer(MARIA_HA *info, uchar *buff, my_off_t pos); +MARIA_RECORD_POS _ma_row_pos_from_key(const MARIA_KEY *key); +TrID _ma_trid_from_key(const MARIA_KEY *key); +extern MARIA_RECORD_POS _ma_rec_pos(MARIA_SHARE *share, uchar *ptr); +extern void _ma_dpointer(MARIA_SHARE *share, uchar *buff, + MARIA_RECORD_POS pos); +extern uint _ma_get_static_key(MARIA_KEY *key, uint page_flag, uint nod_flag, + uchar **page); +extern uchar *_ma_skip_static_key(MARIA_KEY *key, uint page_flag, + uint nod_flag, uchar *page); +extern uint _ma_get_pack_key(MARIA_KEY *key, uint page_flag, uint nod_flag, + uchar **page); +extern uchar *_ma_skip_pack_key(MARIA_KEY *key, uint page_flag, + uint nod_flag, uchar *page); +extern uint _ma_get_binary_pack_key(MARIA_KEY *key, uint page_flag, + uint nod_flag, uchar **page_pos); +uchar *_ma_skip_binary_pack_key(MARIA_KEY *key, uint page_flag, + uint nod_flag, uchar *page); +extern uchar *_ma_get_last_key(MARIA_KEY *key, MARIA_PAGE *page, + uchar *endpos); +extern uchar *_ma_get_key(MARIA_KEY *key, MARIA_PAGE *page, uchar *keypos); +extern uint _ma_keylength(MARIA_KEYDEF *keyinfo, const uchar *key); +extern uint _ma_keylength_part(MARIA_KEYDEF *keyinfo, const uchar *key, + HA_KEYSEG *end); +extern int _ma_search_next(MARIA_HA *info, MARIA_KEY *key, + uint32 nextflag, my_off_t pos); +extern int _ma_search_first(MARIA_HA *info, MARIA_KEYDEF *keyinfo, + my_off_t pos); +extern int _ma_search_last(MARIA_HA *info, MARIA_KEYDEF *keyinfo, + my_off_t pos); +extern my_off_t _ma_static_keypos_to_recpos(MARIA_SHARE *share, my_off_t pos); +extern my_off_t _ma_static_recpos_to_keypos(MARIA_SHARE *share, my_off_t pos); +extern my_off_t _ma_transparent_recpos(MARIA_SHARE *share, my_off_t pos); +extern my_off_t _ma_transaction_keypos_to_recpos(MARIA_SHARE *, my_off_t pos); +extern my_off_t _ma_transaction_recpos_to_keypos(MARIA_SHARE *, my_off_t pos); + +extern void _ma_page_setup(MARIA_PAGE *page, MARIA_HA *info, + const MARIA_KEYDEF *keyinfo, my_off_t pos, + uchar *buff); +extern my_bool _ma_fetch_keypage(MARIA_PAGE *page, MARIA_HA *info, + const MARIA_KEYDEF *keyinfo, + my_off_t pos, enum pagecache_page_lock lock, + int level, uchar *buff, + my_bool return_buffer); +extern my_bool _ma_write_keypage(MARIA_PAGE *page, + enum pagecache_page_lock lock, int level); +extern int _ma_dispose(MARIA_HA *info, my_off_t pos, my_bool page_not_read); +extern my_off_t _ma_new(MARIA_HA *info, int level, + MARIA_PINNED_PAGE **page_link); +extern my_bool _ma_compact_keypage(MARIA_PAGE *page, TrID min_read_from); +extern uint transid_store_packed(MARIA_HA *info, uchar *to, ulonglong trid); +extern ulonglong transid_get_packed(MARIA_SHARE *share, const uchar *from); +#define transid_packed_length(data) \ + ((data)[0] < MARIA_MIN_TRANSID_PACK_OFFSET ? 1 : \ + (uint) ((uchar) (data)[0]) - (MARIA_TRANSID_PACK_OFFSET - 1)) +#define key_has_transid(key) (*(key) & 1) + +#define page_mark_changed(info, page) \ + dynamic_element(&(info)->pinned_pages, (page)->link_offset, \ + MARIA_PINNED_PAGE*)->changed= 1; +#define page_store_size(share, page) \ + _ma_store_page_used((share), (page)->buff, (page)->size); +#define page_store_info(share, page) \ + _ma_store_keypage_flag((share), (page)->buff, (page)->flag); \ + _ma_store_page_used((share), (page)->buff, (page)->size); +#ifdef IDENTICAL_PAGES_AFTER_RECOVERY +void page_cleanup(MARIA_SHARE *share, MARIA_PAGE *page) +#else +#define page_cleanup(A,B) do { } while (0) +#endif + +extern MARIA_KEY *_ma_make_key(MARIA_HA *info, MARIA_KEY *int_key, uint keynr, + uchar *key, const uchar *record, + MARIA_RECORD_POS filepos, ulonglong trid); +extern MARIA_KEY *_ma_pack_key(MARIA_HA *info, MARIA_KEY *int_key, + uint keynr, uchar *key, + const uchar *old, key_part_map keypart_map, + HA_KEYSEG ** last_used_keyseg); +extern void _ma_copy_key(MARIA_KEY *to, const MARIA_KEY *from); +extern int _ma_read_key_record(MARIA_HA *info, uchar *buf, MARIA_RECORD_POS); +extern my_bool _ma_read_cache(MARIA_HA *, IO_CACHE *info, uchar *buff, + MARIA_RECORD_POS pos, size_t length, + uint re_read_if_possibly); +extern ulonglong ma_retrieve_auto_increment(const uchar *key, uint8 key_type); +extern my_bool _ma_alloc_buffer(uchar **old_addr, size_t *old_size, + size_t new_size, myf flag); +extern size_t _ma_rec_unpack(MARIA_HA *info, uchar *to, uchar *from, + size_t reclength); +extern my_bool _ma_rec_check(MARIA_HA *info, const uchar *record, + uchar *packpos, ulong packed_length, + my_bool with_checkum, ha_checksum checksum); +extern int _ma_write_part_record(MARIA_HA *info, my_off_t filepos, + ulong length, my_off_t next_filepos, + uchar ** record, ulong *reclength, + int *flag); +extern void _ma_print_key(FILE *stream, MARIA_KEY *key); +extern void _ma_print_keydata(FILE *stream, HA_KEYSEG *keyseg, + const uchar *key, uint length); +extern my_bool _ma_once_init_pack_row(MARIA_SHARE *share, File dfile); +extern my_bool _ma_once_end_pack_row(MARIA_SHARE *share); +extern int _ma_read_pack_record(MARIA_HA *info, uchar *buf, + MARIA_RECORD_POS filepos); +extern int _ma_read_rnd_pack_record(MARIA_HA *, uchar *, MARIA_RECORD_POS, + my_bool); +extern int _ma_pack_rec_unpack(MARIA_HA *info, MARIA_BIT_BUFF *bit_buff, + uchar *to, uchar *from, ulong reclength); +extern ulonglong _ma_safe_mul(ulonglong a, ulonglong b); +extern int _ma_ft_update(MARIA_HA *info, uint keynr, uchar *keybuf, + const uchar *oldrec, const uchar *newrec, + my_off_t pos); + +/* + Parameter to _ma_get_block_info + The dynamic row header is read into this struct. For an explanation of + the fields, look at the function _ma_get_block_info(). +*/ + +typedef struct st_maria_block_info +{ + uchar header[MARIA_BLOCK_INFO_HEADER_LENGTH]; + ulong rec_len; + ulong data_len; + ulong block_len; + ulong blob_len; + MARIA_RECORD_POS filepos; + MARIA_RECORD_POS next_filepos; + MARIA_RECORD_POS prev_filepos; + uint second_read; + uint offset; +} MARIA_BLOCK_INFO; + + +/* bits in return from _ma_get_block_info */ + +#define BLOCK_FIRST 1U +#define BLOCK_LAST 2U +#define BLOCK_DELETED 4U +#define BLOCK_ERROR 8U /* Wrong data */ +#define BLOCK_SYNC_ERROR 16U /* Right data at wrong place */ +#define BLOCK_FATAL_ERROR 32U /* hardware-error */ + +#define NEED_MEM ((uint) 10*4*(IO_SIZE+32)+32) /* Nead for recursion */ +#define MAXERR 20 +#define BUFFERS_WHEN_SORTING 16 /* Alloc for sort-key-tree */ +#define WRITE_COUNT MY_HOW_OFTEN_TO_WRITE +#define INDEX_TMP_EXT ".TMM" +#define DATA_TMP_EXT ".TMD" + +#define UPDATE_TIME 1U +#define UPDATE_STAT 2U +#define UPDATE_SORT 4U +#define UPDATE_AUTO_INC 8U +#define UPDATE_OPEN_COUNT 16U + +/* We use MY_ALIGN_DOWN here mainly to ensure that we get stable values for mysqld --help ) */ +#define PAGE_BUFFER_INIT MY_ALIGN_DOWN(1024L*1024L*256L-MALLOC_OVERHEAD, 8192) +#define READ_BUFFER_INIT MY_ALIGN_DOWN(1024L*256L-MALLOC_OVERHEAD, 1024) +#define SORT_BUFFER_INIT MY_ALIGN_DOWN(1024L*1024L*256L-MALLOC_OVERHEAD, 1024) + +#define fast_ma_writeinfo(INFO) if (!(INFO)->s->tot_locks) (void) _ma_writeinfo((INFO),0) +#define fast_ma_readinfo(INFO) ((INFO)->lock_type == F_UNLCK) && _ma_readinfo((INFO),F_RDLCK,1) + +extern uint _ma_get_block_info(MARIA_HA *, MARIA_BLOCK_INFO *, File, my_off_t); +extern uint _ma_rec_pack(MARIA_HA *info, uchar *to, const uchar *from); +extern uint _ma_pack_get_block_info(MARIA_HA *maria, MARIA_BIT_BUFF *bit_buff, + MARIA_BLOCK_INFO *info, uchar **rec_buff_p, + size_t *rec_buff_size, + File file, my_off_t filepos); +extern void _ma_store_blob_length(uchar *pos, uint pack_length, uint length); +extern void _ma_report_error(int errcode, const LEX_STRING *file_name, + myf flags); +extern void _ma_print_error(MARIA_HA *info, int error, my_bool write_to_log); +extern my_bool _ma_memmap_file(MARIA_HA *info); +extern void _ma_unmap_file(MARIA_HA *info); +extern uint _ma_save_pack_length(uint version, uchar * block_buff, + ulong length); +extern uint _ma_calc_pack_length(uint version, ulong length); +extern ulong _ma_calc_blob_length(uint length, const uchar *pos); +extern size_t _ma_mmap_pread(MARIA_HA *info, uchar *Buffer, + size_t Count, my_off_t offset, myf MyFlags); +extern size_t _ma_mmap_pwrite(MARIA_HA *info, const uchar *Buffer, + size_t Count, my_off_t offset, myf MyFlags); +extern size_t _ma_nommap_pread(MARIA_HA *info, uchar *Buffer, + size_t Count, my_off_t offset, myf MyFlags); +extern size_t _ma_nommap_pwrite(MARIA_HA *info, const uchar *Buffer, + size_t Count, my_off_t offset, myf MyFlags); + +/* my_pwrite instead of my_write used */ +#define MA_STATE_INFO_WRITE_DONT_MOVE_OFFSET 1 +/* info should be written */ +#define MA_STATE_INFO_WRITE_FULL_INFO 2 +/* intern_lock taking is needed */ +#define MA_STATE_INFO_WRITE_LOCK 4 +uint _ma_state_info_write(MARIA_SHARE *share, uint pWrite)__attribute__((visibility("default"))) ; +uint _ma_state_info_write_sub(File file, MARIA_STATE_INFO *state, uint pWrite); +uint _ma_state_info_read_dsk(File file, MARIA_STATE_INFO *state); +uint _ma_base_info_write(File file, MARIA_BASE_INFO *base); +my_bool _ma_keyseg_write(File file, const HA_KEYSEG *keyseg); +uchar *_ma_keyseg_read(uchar *ptr, HA_KEYSEG *keyseg); +my_bool _ma_keydef_write(File file, MARIA_KEYDEF *keydef); +uchar *_ma_keydef_read(uchar *ptr, MARIA_KEYDEF *keydef); +my_bool _ma_uniquedef_write(File file, MARIA_UNIQUEDEF *keydef); +uchar *_ma_uniquedef_read(uchar *ptr, MARIA_UNIQUEDEF *keydef); +my_bool _ma_columndef_write(File file, MARIA_COLUMNDEF *columndef); +uchar *_ma_columndef_read(uchar *ptr, MARIA_COLUMNDEF *columndef); +my_bool _ma_column_nr_write(File file, uint16 *offsets, uint columns); +uchar *_ma_column_nr_read(uchar *ptr, uint16 *offsets, uint columns); +ulong _ma_calc_total_blob_length(MARIA_HA *info, const uchar *record); +ha_checksum _ma_checksum(MARIA_HA *info, const uchar *buf); +ha_checksum _ma_static_checksum(MARIA_HA *info, const uchar *buf); +my_bool _ma_check_unique(MARIA_HA *info, MARIA_UNIQUEDEF *def, + const uchar *record, ha_checksum unique_hash, + MARIA_RECORD_POS pos); +ha_checksum _ma_unique_hash(MARIA_UNIQUEDEF *def, const uchar *buf); +my_bool _ma_cmp_static_unique(MARIA_HA *info, MARIA_UNIQUEDEF *def, + const uchar *record, MARIA_RECORD_POS pos); +my_bool _ma_cmp_dynamic_unique(MARIA_HA *info, MARIA_UNIQUEDEF *def, + const uchar *record, MARIA_RECORD_POS pos); +my_bool _ma_unique_comp(MARIA_UNIQUEDEF *def, const uchar *a, const uchar *b, + my_bool null_are_equal); +void _ma_reset_status(MARIA_HA *maria); +int _ma_def_scan_remember_pos(MARIA_HA *info, MARIA_RECORD_POS *lastpos); +int _ma_def_scan_restore_pos(MARIA_HA *info, MARIA_RECORD_POS lastpos); + +#include "ma_commit.h" + +extern MARIA_HA *_ma_test_if_reopen(const char *filename); +my_bool _ma_check_table_is_closed(const char *name, const char *where); +int _ma_open_datafile(MARIA_HA *info, MARIA_SHARE *share); +int _ma_open_keyfile(MARIA_SHARE *share); +void _ma_setup_functions(MARIA_SHARE *share); +my_bool _ma_dynmap_file(MARIA_HA *info, my_off_t size); +void _ma_remap_file(MARIA_HA *info, my_off_t size); + +MARIA_RECORD_POS _ma_write_init_default(MARIA_HA *info, const uchar *record); +my_bool _ma_write_abort_default(MARIA_HA *info); +int maria_delete_table_files(const char *name, my_bool temporary, + myf flags)__attribute__((visibility("default"))) ; + + +/* + This cannot be in my_base.h as it clashes with HA_SPATIAL. + But it was introduced for Aria engine, and is only used there. + So it can safely stay here, only visible to Aria +*/ +#define HA_RTREE_INDEX 16384 /* For RTREE search */ + +#define MARIA_FLUSH_DATA 1 +#define MARIA_FLUSH_INDEX 2 +int _ma_flush_table_files(MARIA_HA *info, uint flush_data_or_index, + enum flush_type flush_type_for_data, + enum flush_type flush_type_for_index); +/* + Functions needed by _ma_check (are overridden in MySQL/ha_maria.cc). + See ma_check_standalone.h . +*/ +int _ma_killed_ptr(HA_CHECK *param); +void _ma_report_progress(HA_CHECK *param, ulonglong progress, + ulonglong max_progress); +void _ma_check_print_error(HA_CHECK *param, const char *fmt, ...) + ATTRIBUTE_FORMAT(printf, 2, 3); +void _ma_check_print_warning(HA_CHECK *param, const char *fmt, ...) + ATTRIBUTE_FORMAT(printf, 2, 3); +void _ma_check_print_info(HA_CHECK *param, const char *fmt, ...) + ATTRIBUTE_FORMAT(printf, 2, 3); +my_bool write_log_record_for_repair(const HA_CHECK *param, MARIA_HA *info); + +int _ma_flush_pending_blocks(MARIA_SORT_PARAM *param); +int _ma_sort_ft_buf_flush(MARIA_SORT_PARAM *sort_param); +int _ma_thr_write_keys(MARIA_SORT_PARAM *sort_param); +pthread_handler_t _ma_thr_find_all_keys(void *arg); + +int _ma_sort_write_record(MARIA_SORT_PARAM *sort_param); +int _ma_create_index_by_sort(MARIA_SORT_PARAM *info, my_bool no_messages, + size_t); +int _ma_sync_table_files(const MARIA_HA *info); +int _ma_initialize_data_file(MARIA_SHARE *share, File dfile); +int _ma_update_state_lsns(MARIA_SHARE *share, + LSN lsn, TrID create_trid, my_bool do_sync, + my_bool update_create_rename_lsn); +int _ma_update_state_lsns_sub(MARIA_SHARE *share, LSN lsn, + TrID create_trid, my_bool do_sync, + my_bool update_create_rename_lsn); +void _ma_set_data_pagecache_callbacks(PAGECACHE_FILE *file, + MARIA_SHARE *share); +void _ma_set_index_pagecache_callbacks(PAGECACHE_FILE *file, + MARIA_SHARE *share); +void _ma_tmp_disable_logging_for_table(MARIA_HA *info, + my_bool log_incomplete); +my_bool _ma_reenable_logging_for_table(MARIA_HA *info, my_bool flush_pages); +my_bool write_log_record_for_bulk_insert(MARIA_HA *info); +void _ma_unpin_all_pages(MARIA_HA *info, LSN undo_lsn); + +#define MARIA_NO_CRC_NORMAL_PAGE 0xffffffff +#define MARIA_NO_CRC_BITMAP_PAGE 0xfffffffe +extern my_bool maria_page_crc_set_index(PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_set_normal(PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_check_bitmap(int, PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_check_data(int, PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_check_index(int, PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_check_none(int, PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_crc_check(uchar *page, pgcache_page_no_t page_no, + MARIA_SHARE *share, uint32 no_crc_val, + int data_length); +extern my_bool maria_page_filler_set_bitmap(PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_filler_set_normal(PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_page_filler_set_none(PAGECACHE_IO_HOOK_ARGS *args); +extern void maria_page_write_failure(int error, PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_flush_log_for_page(PAGECACHE_IO_HOOK_ARGS *args); +extern my_bool maria_flush_log_for_page_none(PAGECACHE_IO_HOOK_ARGS *args); + +extern PAGECACHE *maria_log_pagecache; +extern void ma_set_index_cond_func(MARIA_HA *info, index_cond_func_t func, + void *func_arg); +check_result_t ma_check_index_cond(MARIA_HA *info, uint keynr, uchar *record); + +extern my_bool ma_yield_and_check_if_killed(MARIA_HA *info, int inx); +extern my_bool ma_killed_standalone(MARIA_HA *); + +extern uint _ma_file_callback_to_id(void *callback_data); +extern void free_maria_share(MARIA_SHARE *share); + +static inline void unmap_file(MARIA_HA *info __attribute__((unused))) +{ +#ifdef HAVE_MMAP + if (info->s->file_map) + _ma_unmap_file(info); +#endif +} + +static inline void decrement_share_in_trans(MARIA_SHARE *share) +{ + /* Internal tables doesn't have transactions */ + DBUG_ASSERT(!share->internal_table); + if (!--share->in_trans) + free_maria_share(share); + else + mysql_mutex_unlock(&share->intern_lock); +} +C_MODE_END +#endif + +#define CRASH_IF_S3_TABLE(share) DBUG_ASSERT(!share->no_status_updates) |