#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;
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 */