#ifndef HA_MARIA_INCLUDED #define HA_MARIA_INCLUDED /* Copyright (C) 2006, 2004 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 */ #ifdef USE_PRAGMA_INTERFACE #pragma interface /* gcc class implementation */ #endif /* class for the maria handler */ #include "maria_def.h" #include "handler.h" #include "table.h" #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 */ C_MODE_START check_result_t index_cond_func_maria(void *arg); C_MODE_END extern TYPELIB maria_recover_typelib; extern ulonglong maria_recover_options; /* In the ha_maria class there are a few virtual methods that are not marked as 'final'. This is because they are re-defined by the ha_s3 engine. */ class __attribute__((visibility("default"))) ha_maria :public handler { public: MARIA_HA *file; private: ulonglong int_table_flags; MARIA_RECORD_POS remember_pos; char *data_file_name, *index_file_name; enum data_file_type data_file_type; bool can_enable_indexes; /** If a transactional table is doing bulk insert with a single UNDO_BULK_INSERT with/without repair. */ uint8 bulk_insert_single_undo; int repair(THD * thd, HA_CHECK *param, bool optimize); int zerofill(THD * thd, HA_CHECK_OPT *check_opt); public: ha_maria(handlerton *hton, TABLE_SHARE * table_arg); ~ha_maria() = default; handler *clone(const char *name, MEM_ROOT *mem_root) override final; const char *index_type(uint key_number) override final; ulonglong table_flags() const override final { return int_table_flags; } ulong index_flags(uint inx, uint part, bool all_parts) const override final; uint max_supported_keys() const override final { return MARIA_MAX_KEY; } uint max_supported_key_length() const override final; uint max_supported_key_part_length() const override final { return max_supported_key_length(); } enum row_type get_row_type() const override final; void change_table_ptr(TABLE *table_arg, TABLE_SHARE *share) override final; virtual double scan_time() override final; int open(const char *name, int mode, uint test_if_locked) override; int close(void) override final; int write_row(const uchar * buf) override; int update_row(const uchar * old_data, const uchar * new_data) override; int delete_row(const uchar * buf) override; int index_read_map(uchar * buf, const uchar * key, key_part_map keypart_map, enum ha_rkey_function find_flag) override final; int index_read_idx_map(uchar * buf, uint idx, const uchar * key, key_part_map keypart_map, enum ha_rkey_function find_flag) override final; int index_read_last_map(uchar * buf, const uchar * key, key_part_map keypart_map) override final; int index_next(uchar * buf) override final; int index_prev(uchar * buf) override final; int index_first(uchar * buf) override final; int index_last(uchar * buf) override final; int index_next_same(uchar * buf, const uchar * key, uint keylen) override final; int ft_init() override final { if (!ft_handler) return 1; ft_handler->please->reinit_search(ft_handler); return 0; } FT_INFO *ft_init_ext(uint flags, uint inx, String * key) override final; int ft_read(uchar * buf) override final; int index_init(uint idx, bool sorted) override final; int index_end() override final; int rnd_init(bool scan) override final; int rnd_end(void) override final; int rnd_next(uchar * buf) override final; int rnd_pos(uchar * buf, uchar * pos) override final; int remember_rnd_pos() override final; int restart_rnd_next(uchar * buf) override final; void position(const uchar * record) override final; int info(uint) override final; int info(uint, my_bool); int extra(enum ha_extra_function operation) override final; int extra_opt(enum ha_extra_function operation, ulong cache_size) override final; int reset(void) override final; int external_lock(THD * thd, int lock_type) override; int start_stmt(THD *thd, thr_lock_type lock_type) override final; int delete_all_rows(void) override final; int disable_indexes(key_map map, bool persist) override final; int enable_indexes(key_map map, bool persist) override final; int indexes_are_disabled(void) override final; void start_bulk_insert(ha_rows rows, uint flags) override final; int end_bulk_insert() override final; ha_rows records_in_range(uint inx, const key_range *min_key, const key_range *max_key, page_range *pages) override final; void update_create_info(HA_CREATE_INFO * create_info) override final; int create(const char *name, TABLE * form, HA_CREATE_INFO * create_info) override; THR_LOCK_DATA **store_lock(THD * thd, THR_LOCK_DATA ** to, enum thr_lock_type lock_type) override final; virtual void get_auto_increment(ulonglong offset, ulonglong increment, ulonglong nb_desired_values, ulonglong *first_value, ulonglong *nb_reserved_values) override final; int rename_table(const char *from, const char *to) override; int delete_table(const char *name) override; void drop_table(const char *name) override; int check(THD * thd, HA_CHECK_OPT * check_opt) override; int analyze(THD * thd, HA_CHECK_OPT * check_opt) override; int repair(THD * thd, HA_CHECK_OPT * check_opt) override; int check_for_upgrade(HA_CHECK_OPT *check_opt) override; bool check_and_repair(THD * thd) override final; bool is_crashed() const override final; bool is_changed() const; bool auto_repair(int error) const override final; int optimize(THD * thd, HA_CHECK_OPT * check_opt) override final; int assign_to_keycache(THD * thd, HA_CHECK_OPT * check_opt) override final; int preload_keys(THD * thd, HA_CHECK_OPT * check_opt) override; bool check_if_incompatible_data(HA_CREATE_INFO * info, uint table_changes) override final; #ifdef HAVE_QUERY_CACHE my_bool register_query_cache_table(THD *thd, const char *table_key, uint key_length, qc_engine_callback *engine_callback, ulonglong *engine_data) override final; #endif MARIA_HA *file_ptr(void) { return file; } static bool has_active_transaction(THD *thd); static int implicit_commit(THD *thd, bool new_trn); /** * Multi Range Read interface */ int multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param, uint n_ranges, uint mode, HANDLER_BUFFER *buf) override final; int multi_range_read_next(range_id_t *range_info) override final; ha_rows multi_range_read_info_const(uint keyno, RANGE_SEQ_IF *seq, void *seq_init_param, uint n_ranges, uint *bufsz, uint *flags, Cost_estimate *cost) override final; ha_rows multi_range_read_info(uint keyno, uint n_ranges, uint keys, uint key_parts, uint *bufsz, uint *flags, Cost_estimate *cost) override final; int multi_range_read_explain_info(uint mrr_mode, char *str, size_t size) override final; /* Index condition pushdown implementation */ Item *idx_cond_push(uint keyno, Item* idx_cond) override final; int find_unique_row(uchar *record, uint unique_idx) override final; /* Following functions are needed by the S3 handler */ virtual S3_INFO *s3_open_args() { return 0; } virtual void register_handler(MARIA_HA *file) {} private: DsMrr_impl ds_mrr; friend check_result_t index_cond_func_maria(void *arg); friend void reset_thd_trn(THD *thd); friend class ha_s3; }; #endif /* HA_MARIA_INCLUDED */